Update README.,md for 1.11.1 release

Fix error when base url is configured.
Replace Context#path with the base url if it's configured.
2026-05-08 11:57:37 +02:00 · 2014-03-05 22:15:22 +09:00 · 2014-03-05 22:12:52 +09:00 · 2014-03-05 19:22:36 +09:00 · 2014-03-05 16:25:08 +09:00 · 2014-03-05 15:03:24 +09:00
459 changed files with 6945 additions and 276820 deletions
--- a/README.md
+++ b/README.md
@@ -1,15 +1,12 @@
-GitBucket [![Gitter chat](https://badges.gitter.im/takezoe/gitbucket.png)](https://gitter.im/takezoe/gitbucket) [![Build Status](https://buildhive.cloudbees.com/job/takezoe/job/gitbucket/badge/icon)](https://buildhive.cloudbees.com/job/takezoe/job/gitbucket/)
+GitBucket
 =========

 GitBucket is the easily installable Github clone written with Scala.

-
-Features
--------
 The current version of GitBucket provides a basic features below:

- Public / Private Git repository (http and ssh access)
- Repository viewer and online file editing
+- Public / Private Git repository (http access only)
+- Repository viewer (some advanced features such as online file editing are not implemented)
 - Repository search (Code and Issues)
 - Wiki
 - Issues
@@ -23,9 +20,10 @@ The current version of GitBucket provides a basic features below:

 Following features are not implemented, but we will make them in the future release!

+- File editing in repository viewer
 - Comment for the changeset
 - Network graph
- Statistics
+- Statics
 - Watch / Star

 If you want to try the development version of GitBucket, see the documentation for developers at [Wiki](https://github.com/takezoe/gitbucket/wiki).
@@ -37,8 +35,6 @@ Installation
 2. Deploy it to the Servlet 3.0 container such as Tomcat 7.x, Jetty 8.x, GlassFish 3.x or higher.
 3. Access **http://[hostname]:[port]/gitbucket/** using your web browser.

-If you are using Gitbucket behind a webserver please make sure you have increased the **client_max_body_size** (on nignx)
-
 The default administrator account is **root** and password is **root**.

 or you can start GitBucket by `java -jar gitbucket.war` without servlet container. In this case, GitBucket URL is **http://[hostname]:8080/**. You can specify following options.
@@ -53,24 +49,6 @@ To upgrade GitBucket, only replace gitbucket.war. All GitBucket data is stored i
 For Installation on Windows Server with IIS see [this wiki page](https://github.com/takezoe/gitbucket/wiki/Installation-on-IIS-and-Helicontech-Zoo)

 ### Mac OS X
-#### Installing Via Homebrew
-
-    $ brew install gitbucket
-    ==> Downloading https://github.com/takezoe/gitbucket/releases/download/1.10/gitbucket.war
-    ######################################################################## 100.0%
-    ==> Caveats
-    Note: When using launchctl the port will be 8080.
-
-    To have launchd start gitbucket at login:
-        ln -sfv /usr/local/opt/gitbucket/*.plist ~/Library/LaunchAgents
-    Then to load gitbucket now:
-        launchctl load ~/Library/LaunchAgents/homebrew.mxcl.gitbucket.plist
-    Or, if you don't want/need launchctl, you can just run:
-        java -jar /usr/local/opt/gitbucket/libexec/gitbucket.war
-    ==> Summary
-    /usr/local/Cellar/gitbucket/1.10: 3 files, 42M, built in 11 seconds
-
-#### Manual Installation
 On OS X, copy the [gitbucket.plist](https://raw.github.com/takezoe/gitbucket/master/contrib/macosx/gitbucket.plist) file to `~/Library/LaunchAgents/`

 Run the following commands in `Terminal` to
@@ -80,55 +58,6 @@ Run the following commands in `Terminal` to

 Release Notes
 --------
-### 2.4 - 6 Oct 2014
- New UI is applied to Issues and Pull requests
- Side-by-side diff is available
- Fix relative path problem in Markdown links and images
- Plugin System is disabled in default
- Some bug fix and improvements
-
-### 2.3 - 1 Sep 2014
- Scala based plugin system
- Embedded Jetty war extraction directory moved to `GITBUCKET_HOME/tmp`
- Some bug fix and improvements
-
-### 2.2.1 - 5 Aug 2014
- Bug fix
-
-### 2.2 - 4 Aug 2014
- Plug-in system is available
- Move to Scala 2.11, Scalatra 2.3 and Slick 2.1
- tar.gz export for repository contents
- LDAP authentication improvement (mail address became optional)
- Show news feed of a private repository to members
- Some bug fix and improvements
-
-### 2.1 - 6 Jul 2014
- Upgrade to Slick 2.0 from 1.9
- Base part of the plug-in system is merged
- Many bug fix and improvements
-
-### 2.0 - 31 May 2014
- Modern Github UI
- Preview in AceEditor
- Select lines by clicking line number in blob view
-
-### 1.13 - 29 Apr 2014
- Direct file editing in the repository viewer using AceEditor
- File attachment for issues
- Atom feed of user activity
- Fix some bugs
-
-### 1.12 - 29 Mar 2014
- SSH repository access is available
- Allow users can create and management their groups
- Git submodule support
- Close issues via commit messages
- Show repository description below the name on repository page
- Fix presentation of the source viewer
- Upgrade to sbt 0.13
- Fix some bugs
-
 ### 1.11.1 - 06 Mar 2014
 - Bug fix

--- a/build.xml
+++ b/build.xml
@@ -4,7 +4,7 @@
  <property name="target.dir" value="target"/>
  <property name="embed.classes.dir" value="${target.dir}/embed-classes"/>
  <property name="jetty.dir" value="embed-jetty"/>
-  <property name="scala.version" value="2.11"/>
+  <property name="scala.version" value="2.10"/>
  <property name="gitbucket.version" value="0.0.1"/>
  <property name="jetty.version" value="8.1.8.v20121106"/>
  <property name="servlet.version" value="3.0.0.v201112011016"/>
@@ -50,8 +50,8 @@
  </target>

  <target name="rename" depends="embed">
-    <move file="${target.dir}/scala-${scala.version}/gitbucket_${scala.version}-${gitbucket.version}.war"
-            tofile="${target.dir}/scala-${scala.version}/gitbucket.war"/>
+    <rename src="${target.dir}/scala-${scala.version}/gitbucket_${scala.version}-${gitbucket.version}.war"
+            dest="${target.dir}/scala-${scala.version}/gitbucket.war"/>
  </target>

  <target name="all" depends="rename">
--- a/contrib/README.md
+++ b/contrib/README.md
@@ -1,13 +0,0 @@
-# Contrib Notes #
-
-The configuration script adapts according to the OS.
-The `linux` directory contains scripts for Ubuntu and RedHat.
-The Mac scripts have been folded in as well.
-Common scripts are in this directory.
-
-This version of scripts has so far only been tested on Ubuntu and Mac. Someone else will have to test on RedHat.
-
-To run:
-1. Edit `gitbucket.conf` to suit.
-2. Type: `install`
-
--- a/contrib/gitbucket.conf
+++ b/contrib/gitbucket.conf
@@ -1,62 +0,0 @@
-# Configuration section is below. Ignore this part
-
-function isUbuntu {
-  if [ -f /etc/lsb-release ]; then
-    grep -i ubuntu /etc/lsb-release | head -n 1 | cut -d \  -f 1 | cut -d = -f 2
-  fi
-}
-
-function isRedHat {
-  if [ -d "/etc/rc.d/init.d" ]; then echo yes; fi
-}
-
-function isMac {
-  if [[ "$(uname -a | cut -d \  -f 1 )" == "Darwin" ]]; then echo yes; fi
-}
-
-# 
-# Configuration section start
-#
-
-# Bind host
-GITBUCKET_HOST=0.0.0.0
-
-# Other Java option
-GITBUCKET_JVM_OPTS=-Dmail.smtp.starttls.enable=true
-
-# Data directory, holds repositories
-GITBUCKET_HOME=/var/lib/gitbucket
-
-GITBUCKET_LOG_DIR=/var/log/gitbucket
-
-# Server port
-GITBUCKET_PORT=8080
-
-# URL prefix for the GitBucket page (http://<host>:<port>/<prefix>/)
-GITBUCKET_PREFIX=
-
-# Directory where GitBucket is installed
-# Configuration is stored here:
-GITBUCKET_DIR=/usr/share/gitbucket
-GITBUCKET_WAR_DIR=$GITBUCKET_DIR/lib
-
-# Path to the WAR file
-GITBUCKET_WAR_FILE=$GITBUCKET_WAR_DIR/gitbucket.war
-
-# GitBucket version to fetch when installing
-GITBUCKET_VERSION=2.1
-
-#
-# End of configuration section. Ignore this part
-#
-if [ `isUbuntu` ]; then
-  GITBUCKET_SERVICE=/etc/init.d/gitbucket
-elif [ `isRedHat` ]; then
-  GITBUCKET_SERVICE=/etc/rc.d/init.d
-elif [ `isMac` ]; then
-  GITBUCKET_SERVICE=/Library/StartupItems/GitBucket/GitBucket
-else
-  echo "Don't know how to install onto this OS"
-  exit -2
-fi
-
--- a/contrib/install
+++ b/contrib/install
@@ -1,69 +0,0 @@
-#!/bin/bash
-
-# Only tested on Ubuntu 14.04
-
-# Uses information stored in GitBucket git repo on GitHub as defaults.
-# Edit gitbucket.conf before running this
-
-set -e
-
-GITBUCKET_VERSION=2.1
-
-if [ ! -f gitbucket.conf ]; then
-  echo "gitbucket.conf not found, aborting"
-  exit -3
-fi
-source gitbucket.conf
-
-function createDir {
-  if [ ! -d "$1" ]; then
-    echo "Making $1 directory."
-    sudo mkdir -p "$1"
-  fi
-}
-
-if [ "$(which iptables)" ]; then
-  echo "Opening port $GITBUCKET_PORT in firewall."
-  sudo iptables -A INPUT -p tcp --dport $GITBUCKET_PORT -j ACCEPT
-  echo "Please use iptables-persistent:"
-  echo "  sudo apt-get install iptables-persistent"
-  echo "After installed, you can save/reload iptables rules anytime:"
-  echo "  sudo /etc/init.d/iptables-persistent save"
-  echo "  sudo /etc/init.d/iptables-persistent reload"
-fi
-
-createDir "$GITBUCKET_HOME"
-createDir "$GITBUCKET_WAR_DIR"
-createDir "$GITBUCKET_DIR"
-createDir "$GITBUCKET_LOG_DIR"
-
-echo "Fetching GitBucket v$GITBUCKET_VERSION and saving as $GITBUCKET_WAR_FILE"
-sudo wget -qO "$GITBUCKET_WAR_FILE" https://github.com/takezoe/gitbucket/releases/download/$GITBUCKET_VERSION/gitbucket.war
-
-sudo rm -f "$GITBUCKET_LOG_DIR/run.log"
-
-echo "Copying gitbucket.conf to $GITBUCKET_DIR"
-sudo cp gitbucket.conf $GITBUCKET_DIR
-if [ `isUbuntu` ] || [ `isRedHat` ]; then
-  sudo cp gitbucket.init "$GITBUCKET_SERVICE"
-  # Install gitbucket as a service that starts when system boots
-  sudo chown root:root $GITBUCKET_SERVICE
-  sudo chmod 755 $GITBUCKET_SERVICE
-  sudo update-rc.d "$(basename $GITBUCKET_SERVICE)" defaults 98 02
-  echo "Starting GitBucket service"
-  sudo $GITBUCKET_SERVICE start
-elif [ `isMac` ]; then
-  sudo macosx/makePlist
-  echo "Starting GitBucket service"
-  sudo cp gitbucket.conf "$GITBUCKET_SERVICE"
-  sudo cp gitbucket.init "$GITBUCKET_SERVICE"
-  sudo chmod a+x "$GITBUCKET_SERVICE"
-  sudo "$GITBUCKET_SERVICE" start
-else
-  echo "Don't know how to install this OS"
-  exit -2
-fi
-
-if [ $? != 0 ]; then
-  less "$GITBUCKET_LOG_DIR/run.log"
-fi
--- a/contrib/macosx/gitbucket.plist
+++ b/contrib/macosx/gitbucket.plist
@@ -1,10 +1,3 @@
-#!/bin/bash
-
-# From http://docstore.mik.ua/orelly/unix3/mac/ch02_02.htm
-source gitbucket.conf
-GITBUCKET_SERVICE_DIR=`dirname "$GITBUCKET_SERVICE"`
-mkdir -p "$GITBUCKET_SERVICE_DIR"
-cat << EOF > "$GITBUCKET_SERVICE_DIR/gitbucket.plist"
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
@@ -14,15 +7,14 @@ cat << EOF > "$GITBUCKET_SERVICE_DIR/gitbucket.plist"
    <key>ProgramArguments</key>
    <array>
      <string>/usr/bin/java</string>
-      <string>$GITBUCKET_JVM_OPTS</string>
+      <string>-Dmail.smtp.starttls.enable=true</string>
      <string>-jar</string>
      <string>gitbucket.war</string>
-      <string>--host=$GITBUCKET_HOST</string>
-      <string>--port=$GITBUCKET_PORT</string>
+      <string>--host=127.0.0.1</string>
+      <string>--port=8080</string>
      <string>--https=true</string>
    </array>
    <key>RunAtLoad</key>
    <true/>
  </dict>
 </plist>
-EOF
--- a/contrib/redhat/gitbucket.conf
+++ b/contrib/redhat/gitbucket.conf
@@ -0,0 +1,20 @@
+# Bind host
+#GITBUCKET_HOST=0.0.0.0
+
+# Server port
+#GITBUCKET_PORT=8080
+
+# Force HTTPS scheme
+#GITBUCKET_HTTPS=false
+
+# Data directory (GITBUCKET_HOME/gitbucket)
+#GITBUCKET_HOME=/var/lib/gitbucket
+
+# Path to the WAR file
+#GITBUCKET_WAR_FILE=/usr/share/gitbucket/lib/gitbucket.war
+
+# URL prefix for the GitBucket page (http://<host>:<port>/<prefix>/)
+#GITBUCKET_PREFIX=
+
+# Other Java option
+#GITBUCKET_JVM_OPTS=
--- a/contrib/redhat/gitbucket.init
+++ b/contrib/redhat/gitbucket.init
@@ -1,8 +1,6 @@
 #!/bin/bash
 #
-# RedHat: /etc/rc.d/init.d/gitbucket
-# Ubuntu: /etc/init.d/gitbucket
-# Mac OS/X: /Library/StartupItems/GitBucket
+# /etc/rc.d/init.d/gitbucket
 #
 # Starts the GitBucket server
 #
@@ -10,44 +8,28 @@
 # description: Run GitBucket server
 # processname: java

-set -e
-
-[ -f /etc/rc.d/init.d/functions ] && source /etc/rc.d/init.d/functions  # RedHat
-[ -f /etc/rc.common ] && source /etc/rc.common # Mac OS/X
+# Source function library
+. /etc/rc.d/init.d/functions

 # Default values
 GITBUCKET_HOME=/var/lib/gitbucket
 GITBUCKET_WAR_FILE=/usr/share/gitbucket/lib/gitbucket.war

 # Pull in cq settings
-[ -f /etc/sysconfig/gitbucket ] && source /etc/sysconfig/gitbucket # RedHat
-[ -f gitbucket.conf ] && source gitbucket.conf  # For all systems
+[ -f /etc/sysconfig/gitbucket ] && . /etc/sysconfig/gitbucket

 # Location of the log and PID file
-LOG_FILE=$GITBUCKET_LOG_DIR/run.log
+LOG_FILE=/var/log/gitbucket/run.log
 PID_FILE=/var/run/gitbucket.pid

-RED='\033[1m\E[37;41m'
-GREEN='\033[1m\E[37;42m'
-OFF='\E[0m'
-
-if [ -z "$(which success)" ]; then
-	function success {
-	  printf "%b\n" "$GREEN $* $OFF"
-  }
-fi
-if [ -z "$(which failure)" ]; then
-	function failure {
-	  printf "%b\n" "$RED $* $OFF"
-  }
-fi
-
+# Default return value
 RETVAL=0

+
 start() {
 	echo -n $"Starting GitBucket server: "

-  START_OPTS=
+	# Compile statup parameters
 	if [ $GITBUCKET_PORT ]; then
 		START_OPTS="${START_OPTS} --port=${GITBUCKET_PORT}"
 	fi
@@ -57,16 +39,21 @@ start() {
 	if [ $GITBUCKET_HOST ]; then
 		START_OPTS="${START_OPTS} --host=${GITBUCKET_HOST}"
 	fi
+	if [ $GITBUCKET_HTTPS ]; then
+		START_OPTS="${START_OPTS} --https=true"
+	fi

+	# Run the Java process
 	GITBUCKET_HOME="${GITBUCKET_HOME}" java $GITBUCKET_JVM_OPTS -jar $GITBUCKET_WAR_FILE $START_OPTS >>$LOG_FILE 2>&1 &
 	RETVAL=$?

+	# Store PID of the Java process into a file
 	echo $! > $PID_FILE

 	if [ $RETVAL -eq 0 ] ; then
-		success "Success"
+		success "GitBucket startup"
 	else
-		failure "Exit code $RETVAL"
+		failure "GitBucket startup"
 	fi

 	echo
@@ -98,41 +85,25 @@ restart() {
 	start
 }

-## MacOS proxies for System V service hooks:
-StartService() {
+
+case "$1" in
+start)
 	start
-}
-
-StopService() {
+	;;
+stop)
 	stop
-}
-
-RestartService() {
+	;;
+restart)
 	restart
-}
+	;;
+status)
+	status -p $PID_FILE java
+	RETVAL=$?
+	;;
+*)
+	echo $"Usage: $0 [start|stop|restart|status]"
+	RETVAL=2
+esac


-if [ `isMac` ]; then
-  RunService "$1"
-else
-	case "$1" in
-		start)
-			start
-			;;
-		stop)
-			stop
-			;;
-		restart)
-			restart
-			;;
-		status)
-			status -p $PID_FILE java
-			RETVAL=$?
-			;;
-		*)
-			echo $"Usage: $0 [start|stop|restart|status]"
-			RETVAL=2
-	esac
-  exit $RETVAL
-fi
-
+exit $RETVAL
--- a/contrib/linux/redhat/gitbucket.spec
+++ b/contrib/linux/redhat/gitbucket.spec
--- a/etc/icons.svg
+++ b/etc/icons.svg
@@ -2,7 +2,6 @@
 <!-- Created with Inkscape (http://www.inkscape.org/) -->

 <svg
-   xmlns:osb="http://www.openswatchbook.org/uri/2009/osb"
   xmlns:dc="http://purl.org/dc/elements/1.1/"
   xmlns:cc="http://creativecommons.org/ns#"
   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
@@ -17,16 +16,7 @@
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   sodipodi:docname="icons.svg">
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-      <stop
-         style="stop-color:#000000;stop-opacity:1;"
-         offset="0"
-         id="stop4046" />
-    </linearGradient>
-  </defs>
+     id="defs4" />
  <sodipodi:namedview
     id="base"
     pagecolor="#ffffff"
@@ -34,15 +24,15 @@
     borderopacity="1.0"
     inkscape:pageopacity="0.0"
     inkscape:pageshadow="2"
-     inkscape:zoom="0.98994949"
-     inkscape:cx="174.78739"
-     inkscape:cy="-195.96338"
+     inkscape:zoom="1.4"
+     inkscape:cx="450.21999"
+     inkscape:cy="97.51519"
     inkscape:document-units="px"
     inkscape:current-layer="layer1-9"
     showgrid="false"
     inkscape:window-width="1366"
-     inkscape:window-height="715"
-     inkscape:window-x="-8"
+     inkscape:window-height="706"
+     inkscape:window-x="1912"
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--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=0.13.5
+sbt.version=0.12.3
--- a/project/build.scala
+++ b/project/build.scala
@@ -1,60 +1,53 @@
 import sbt._
 import Keys._
 import org.scalatra.sbt._
+import twirl.sbt.TwirlPlugin._
 import com.typesafe.sbteclipse.plugin.EclipsePlugin.EclipseKeys
-import play.twirl.sbt.SbtTwirl
-import play.twirl.sbt.Import.TwirlKeys._

 object MyBuild extends Build {
  val Organization = "jp.sf.amateras"
  val Name = "gitbucket"
  val Version = "0.0.1"
-  val ScalaVersion = "2.11.2"
-  val ScalatraVersion = "2.3.0"
+  val ScalaVersion = "2.10.3"
+  val ScalatraVersion = "2.2.1"

  lazy val project = Project (
    "gitbucket",
-    file(".")
+    file("."),
+    settings = Defaults.defaultSettings ++ ScalatraPlugin.scalatraWithJRebel ++ Seq(
+      organization := Organization,
+      name := Name,
+      version := Version,
+      scalaVersion := ScalaVersion,
+      resolvers ++= Seq(
+        Classpaths.typesafeReleases,
+        "amateras-repo" at "http://amateras.sourceforge.jp/mvn/"
+      ),
+      scalacOptions := Seq("-deprecation", "-language:postfixOps"),
+      libraryDependencies ++= Seq(
+        "org.eclipse.jgit" % "org.eclipse.jgit.http.server" % "3.0.0.201306101825-r",
+        "org.scalatra" %% "scalatra" % ScalatraVersion,
+        "org.scalatra" %% "scalatra-specs2" % ScalatraVersion % "test",
+        "org.scalatra" %% "scalatra-json" % ScalatraVersion,
+        "org.json4s" %% "json4s-jackson" % "3.2.5",
+        "jp.sf.amateras" %% "scalatra-forms" % "0.0.11",
+        "commons-io" % "commons-io" % "2.4",
+        "org.pegdown" % "pegdown" % "1.4.1",
+        "org.apache.commons" % "commons-compress" % "1.5",
+        "org.apache.commons" % "commons-email" % "1.3.1",
+        "org.apache.httpcomponents" % "httpclient" % "4.3",
+        "com.typesafe.slick" %% "slick" % "1.0.1",
+        "com.novell.ldap" % "jldap" % "2009-10-07",
+        "com.h2database" % "h2" % "1.3.173",
+        "ch.qos.logback" % "logback-classic" % "1.0.13" % "runtime",
+        "org.eclipse.jetty" % "jetty-webapp" % "8.1.8.v20121106" % "container;provided",
+        "org.eclipse.jetty.orbit" % "javax.servlet" % "3.0.0.v201112011016" % "container;provided;test" artifacts Artifact("javax.servlet", "jar", "jar"),
+        "junit" % "junit" % "4.11" % "test"
+      ),
+      EclipseKeys.withSource := true,
+      javacOptions in compile ++= Seq("-target", "6", "-source", "6"),
+      testOptions in Test += Tests.Argument(TestFrameworks.Specs2, "junitxml", "console"),
+      packageOptions += Package.MainClass("JettyLauncher")
+    ) ++ seq(Twirl.settings: _*)
  )
-  .settings(ScalatraPlugin.scalatraWithJRebel: _*)
-  .settings(
-    sourcesInBase := false,
-    organization := Organization,
-    name := Name,
-    version := Version,
-    scalaVersion := ScalaVersion,
-    resolvers ++= Seq(
-      Classpaths.typesafeReleases,
-      "amateras-repo" at "http://amateras.sourceforge.jp/mvn/"
-    ),
-    scalacOptions := Seq("-deprecation", "-language:postfixOps"),
-    libraryDependencies ++= Seq(
-      "org.eclipse.jgit" % "org.eclipse.jgit.http.server" % "3.4.1.201406201815-r",
-      "org.eclipse.jgit" % "org.eclipse.jgit.archive" % "3.4.1.201406201815-r",
-      "org.scalatra" %% "scalatra" % ScalatraVersion,
-      "org.scalatra" %% "scalatra-specs2" % ScalatraVersion % "test",
-      "org.scalatra" %% "scalatra-json" % ScalatraVersion,
-      "org.json4s" %% "json4s-jackson" % "3.2.10",
-      "jp.sf.amateras" %% "scalatra-forms" % "0.1.0",
-      "commons-io" % "commons-io" % "2.4",
-      "org.pegdown" % "pegdown" % "1.4.1",
-      "org.apache.commons" % "commons-compress" % "1.5",
-      "org.apache.commons" % "commons-email" % "1.3.1",
-      "org.apache.httpcomponents" % "httpclient" % "4.3",
-      "org.apache.sshd" % "apache-sshd" % "0.11.0",
-      "com.typesafe.slick" %% "slick" % "2.1.0",
-      "com.novell.ldap" % "jldap" % "2009-10-07",
-      "org.quartz-scheduler" % "quartz" % "2.2.1",
-      "com.h2database" % "h2" % "1.4.180",
-      "ch.qos.logback" % "logback-classic" % "1.0.13" % "runtime",
-      "org.eclipse.jetty" % "jetty-webapp" % "8.1.8.v20121106" % "container;provided",
-      "org.eclipse.jetty.orbit" % "javax.servlet" % "3.0.0.v201112011016" % "container;provided;test" artifacts Artifact("javax.servlet", "jar", "jar"),
-      "junit" % "junit" % "4.11" % "test",
-      "com.typesafe.play" %% "twirl-compiler" % "1.0.2"
-    ),
-    EclipseKeys.withSource := true,
-    javacOptions in compile ++= Seq("-target", "6", "-source", "6"),
-    testOptions in Test += Tests.Argument(TestFrameworks.Specs2, "junitxml", "console"),
-    packageOptions += Package.MainClass("JettyLauncher")
-  ).enablePlugins(SbtTwirl)
 }
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,9 +1,9 @@
-addSbtPlugin("com.typesafe.sbteclipse" % "sbteclipse-plugin" % "2.4.0")
+addSbtPlugin("com.typesafe.sbteclipse" % "sbteclipse-plugin" % "2.2.0")

-addSbtPlugin("com.github.mpeltonen" % "sbt-idea" % "1.6.0")
+addSbtPlugin("com.github.mpeltonen" % "sbt-idea" % "1.5.1")

-addSbtPlugin("org.scalatra.sbt" % "scalatra-sbt" % "0.3.5")
+addSbtPlugin("org.scalatra.sbt" % "scalatra-sbt" % "0.3.0")

-addSbtPlugin("com.typesafe.sbt" % "sbt-twirl" % "1.0.2")
+addSbtPlugin("io.spray" % "sbt-twirl" % "0.6.1")

-addSbtPlugin("com.timushev.sbt" % "sbt-updates" % "0.1.4")
+addSbtPlugin("com.timushev.sbt" % "sbt-updates" % "0.1.2")
--- a/sbt-launch-0.12.3.jar
+++ b/sbt-launch-0.12.3.jar
--- a/sbt-launch-0.13.5.jar
+++ b/sbt-launch-0.13.5.jar
--- a/sbt.bat
+++ b/sbt.bat
@@ -1,2 +1,2 @@
 set SCRIPT_DIR=%~dp0
-java -Dsbt.log.noformat=true -XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=256m -Xmx512M -Xss2M -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=5005 -jar "%SCRIPT_DIR%\sbt-launch-0.13.5.jar" %*
+java -Dsbt.log.noformat=true -XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=256m -Xmx512M -Xss2M -jar "%SCRIPT_DIR%\sbt-launch-0.12.3.jar" %*
--- a/sbt.sh
+++ b/sbt.sh
@@ -1,2 +1 @@
-#!/bin/sh
-java -Dsbt.log.noformat=true -XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=256m -Xmx512M -Xss2M -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=5005 -jar `dirname $0`/sbt-launch-0.13.5.jar "$@"
+java -Dsbt.log.noformat=true -XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=256m -Xmx512M -Xss2M -jar `dirname $0`/sbt-launch-0.12.3.jar "$@"
--- a/src/main/java/JettyLauncher.java
+++ b/src/main/java/JettyLauncher.java
@@ -1,8 +1,10 @@
+import org.eclipse.jetty.io.EndPoint;
+import org.eclipse.jetty.server.Request;
 import org.eclipse.jetty.server.Server;
 import org.eclipse.jetty.server.nio.SelectChannelConnector;
 import org.eclipse.jetty.webapp.WebAppContext;

-import java.io.File;
+import java.io.IOException;
 import java.net.URL;
 import java.security.ProtectionDomain;

@@ -42,14 +44,6 @@ public class JettyLauncher {
        server.addConnector(connector);

        WebAppContext context = new WebAppContext();
-
-        File tmpDir = new File(getGitBucketHome(), "tmp");
-        if(tmpDir.exists()){
-            deleteDirectory(tmpDir);
-        }
-        tmpDir.mkdirs();
-        context.setTempDirectory(tmpDir);
-
        ProtectionDomain domain = JettyLauncher.class.getProtectionDomain();
        URL location = domain.getCodeSource().getLocation();

@@ -65,27 +59,4 @@ public class JettyLauncher {
        server.start();
        server.join();
    }
-
-    private static File getGitBucketHome(){
-        String home = System.getProperty("gitbucket.home");
-        if(home != null && home.length() > 0){
-            return new File(home);
-        }
-        home = System.getenv("GITBUCKET_HOME");
-        if(home != null && home.length() > 0){
-            return new File(home);
-        }
-        return new File(System.getProperty("user.home"), ".gitbucket");
-    }
-
-    private static void deleteDirectory(File dir){
-        for(File file: dir.listFiles()){
-            if(file.isFile()){
-                file.delete();
-            } else if(file.isDirectory()){
-                deleteDirectory(file);
-            }
-        }
-        dir.delete();
-    }
 }
--- a/src/main/resources/update/1_0.sql
+++ b/src/main/resources/update/1_0.sql
@@ -1,135 +1,135 @@
-CREATE TABLE ACCOUNT(
-		USER_NAME VARCHAR(100) NOT NULL,
-		MAIL_ADDRESS VARCHAR(100) NOT NULL,
-		PASSWORD VARCHAR(40) NOT NULL,
-		ADMINISTRATOR BOOLEAN NOT NULL,
-		URL VARCHAR(200),
-		REGISTERED_DATE TIMESTAMP NOT NULL,
-		UPDATED_DATE TIMESTAMP NOT NULL,
-		LAST_LOGIN_DATE TIMESTAMP
-);
-
-CREATE TABLE REPOSITORY(
-		USER_NAME VARCHAR(100) NOT NULL,
-		REPOSITORY_NAME VARCHAR(100) NOT NULL,
-		PRIVATE BOOLEAN NOT NULL,
-		DESCRIPTION TEXT,
-		DEFAULT_BRANCH VARCHAR(100),
-		REGISTERED_DATE TIMESTAMP NOT NULL,
-		UPDATED_DATE TIMESTAMP NOT NULL,
-		LAST_ACTIVITY_DATE TIMESTAMP NOT NULL
-);
-
-CREATE TABLE COLLABORATOR(
-		USER_NAME VARCHAR(100) NOT NULL,
-		REPOSITORY_NAME VARCHAR(100) NOT NULL,
-		COLLABORATOR_NAME VARCHAR(100) NOT NULL
-);
-
-CREATE TABLE ISSUE(
-		USER_NAME VARCHAR(100) NOT NULL,
-		REPOSITORY_NAME VARCHAR(100) NOT NULL,
-		ISSUE_ID INT NOT NULL,
-		OPENED_USER_NAME VARCHAR(100) NOT NULL,
-		MILESTONE_ID INT,
-		ASSIGNED_USER_NAME VARCHAR(100),
-		TITLE TEXT NOT NULL,
-		CONTENT TEXT,
-		CLOSED BOOLEAN NOT NULL,
-		REGISTERED_DATE TIMESTAMP NOT NULL,
-		UPDATED_DATE TIMESTAMP NOT NULL
-);
-
-CREATE TABLE ISSUE_ID(
-		USER_NAME VARCHAR(100) NOT NULL,
-		REPOSITORY_NAME VARCHAR(100) NOT NULL,
-		ISSUE_ID INT NOT NULL
-);
-
-CREATE TABLE ISSUE_COMMENT(
-		USER_NAME VARCHAR(100) NOT NULL,
-		REPOSITORY_NAME VARCHAR(100) NOT NULL,
-		ISSUE_ID INT NOT NULL,
-		COMMENT_ID INT AUTO_INCREMENT,
-		ACTION VARCHAR(10),
-		COMMENTED_USER_NAME VARCHAR(100) NOT NULL,
-		CONTENT TEXT NOT NULL,
-		REGISTERED_DATE TIMESTAMP NOT NULL,
-		UPDATED_DATE TIMESTAMP NOT NULL
-);
-
-CREATE TABLE LABEL(
-		USER_NAME VARCHAR(100) NOT NULL,
-		REPOSITORY_NAME VARCHAR(100) NOT NULL,
-		LABEL_ID INT AUTO_INCREMENT,
-		LABEL_NAME VARCHAR(100) NOT NULL,
-		COLOR CHAR(6) NOT NULL
-);
-
-CREATE TABLE ISSUE_LABEL(
-		USER_NAME VARCHAR(100) NOT NULL,
-		REPOSITORY_NAME VARCHAR(100) NOT NULL,
-		ISSUE_ID INT NOT NULL,
-		LABEL_ID INT NOT NULL
-);
-
-CREATE TABLE MILESTONE(
-		USER_NAME VARCHAR(100) NOT NULL,
-		REPOSITORY_NAME VARCHAR(100) NOT NULL,
-		MILESTONE_ID INT AUTO_INCREMENT,
-		TITLE VARCHAR(100) NOT NULL,
-		DESCRIPTION TEXT,
-		DUE_DATE TIMESTAMP,
-		CLOSED_DATE TIMESTAMP
-);
-
-ALTER TABLE ACCOUNT ADD CONSTRAINT IDX_ACCOUNT_PK PRIMARY KEY (USER_NAME);
-ALTER TABLE ACCOUNT ADD CONSTRAINT IDX_ACCOUNT_1 UNIQUE (MAIL_ADDRESS);
-
-ALTER TABLE REPOSITORY ADD CONSTRAINT IDX_REPOSITORY_PK PRIMARY KEY (USER_NAME, REPOSITORY_NAME);
-ALTER TABLE REPOSITORY ADD CONSTRAINT IDX_REPOSITORY_FK0 FOREIGN KEY (USER_NAME) REFERENCES ACCOUNT (USER_NAME);
-
-ALTER TABLE COLLABORATOR ADD CONSTRAINT IDX_COLLABORATOR_PK PRIMARY KEY (USER_NAME, REPOSITORY_NAME);
-ALTER TABLE COLLABORATOR ADD CONSTRAINT IDX_COLLABORATOR_FK0 FOREIGN KEY (USER_NAME, REPOSITORY_NAME) REFERENCES REPOSITORY (USER_NAME, REPOSITORY_NAME);
-ALTER TABLE COLLABORATOR ADD CONSTRAINT IDX_COLLABORATOR_FK1 FOREIGN KEY (COLLABORATOR_NAME) REFERENCES ACCOUNT (USER_NAME);
-
-ALTER TABLE ISSUE ADD CONSTRAINT IDX_ISSUE_PK PRIMARY KEY (ISSUE_ID, USER_NAME, REPOSITORY_NAME);
-ALTER TABLE ISSUE ADD CONSTRAINT IDX_ISSUE_FK0 FOREIGN KEY (USER_NAME, REPOSITORY_NAME) REFERENCES REPOSITORY (USER_NAME, REPOSITORY_NAME);
-ALTER TABLE ISSUE ADD CONSTRAINT IDX_ISSUE_FK1 FOREIGN KEY (OPENED_USER_NAME) REFERENCES ACCOUNT (USER_NAME);
-ALTER TABLE ISSUE ADD CONSTRAINT IDX_ISSUE_FK2 FOREIGN KEY (MILESTONE_ID) REFERENCES MILESTONE (MILESTONE_ID);
-
-ALTER TABLE ISSUE_ID ADD CONSTRAINT IDX_ISSUE_ID_PK PRIMARY KEY (USER_NAME, REPOSITORY_NAME);
-ALTER TABLE ISSUE_ID ADD CONSTRAINT IDX_ISSUE_ID_FK1 FOREIGN KEY (USER_NAME, REPOSITORY_NAME) REFERENCES REPOSITORY (USER_NAME, REPOSITORY_NAME);
-
-ALTER TABLE ISSUE_COMMENT ADD CONSTRAINT IDX_ISSUE_COMMENT_PK PRIMARY KEY (COMMENT_ID);
-ALTER TABLE ISSUE_COMMENT ADD CONSTRAINT IDX_ISSUE_COMMENT_1 UNIQUE (USER_NAME, REPOSITORY_NAME, ISSUE_ID, COMMENT_ID);
-ALTER TABLE ISSUE_COMMENT ADD CONSTRAINT IDX_ISSUE_COMMENT_FK0 FOREIGN KEY (USER_NAME, REPOSITORY_NAME, ISSUE_ID) REFERENCES ISSUE (USER_NAME, REPOSITORY_NAME, ISSUE_ID);
-
-ALTER TABLE LABEL ADD CONSTRAINT IDX_LABEL_PK PRIMARY KEY (USER_NAME, REPOSITORY_NAME, LABEL_ID);
-ALTER TABLE LABEL ADD CONSTRAINT IDX_LABEL_FK0 FOREIGN KEY (USER_NAME, REPOSITORY_NAME) REFERENCES REPOSITORY (USER_NAME, REPOSITORY_NAME);
-
-ALTER TABLE ISSUE_LABEL ADD CONSTRAINT IDX_ISSUE_LABEL_PK PRIMARY KEY (USER_NAME, REPOSITORY_NAME, ISSUE_ID, LABEL_ID);
-ALTER TABLE ISSUE_LABEL ADD CONSTRAINT IDX_ISSUE_LABEL_FK0 FOREIGN KEY (USER_NAME, REPOSITORY_NAME, ISSUE_ID) REFERENCES ISSUE (USER_NAME, REPOSITORY_NAME, ISSUE_ID);
-
-ALTER TABLE MILESTONE ADD CONSTRAINT IDX_MILESTONE_PK PRIMARY KEY (USER_NAME, REPOSITORY_NAME, MILESTONE_ID);
-ALTER TABLE MILESTONE ADD CONSTRAINT IDX_MILESTONE_FK0 FOREIGN KEY (USER_NAME, REPOSITORY_NAME) REFERENCES REPOSITORY (USER_NAME, REPOSITORY_NAME);
-
-INSERT INTO ACCOUNT (
-  USER_NAME,
-  MAIL_ADDRESS,
-  PASSWORD,
-  ADMINISTRATOR,
-  URL,
-  REGISTERED_DATE,
-  UPDATED_DATE,
-  LAST_LOGIN_DATE
-) VALUES (
-  'root',
-  'root@localhost',
-  'dc76e9f0c0006e8f919e0c515c66dbba3982f785',
-  true,
-  'https://github.com/takezoe/gitbucket',
-  SYSDATE,
-  SYSDATE,
-  NULL
-);
+CREATE TABLE ACCOUNT(
+		USER_NAME VARCHAR(100) NOT NULL,
+		MAIL_ADDRESS VARCHAR(100) NOT NULL,
+		PASSWORD VARCHAR(40) NOT NULL,
+		ADMINISTRATOR BOOLEAN NOT NULL,
+		URL VARCHAR(200),
+		REGISTERED_DATE TIMESTAMP NOT NULL,
+		UPDATED_DATE TIMESTAMP NOT NULL,
+		LAST_LOGIN_DATE TIMESTAMP
+);
+
+CREATE TABLE REPOSITORY(
+		USER_NAME VARCHAR(100) NOT NULL,
+		REPOSITORY_NAME VARCHAR(100) NOT NULL,
+		PRIVATE BOOLEAN NOT NULL,
+		DESCRIPTION TEXT,
+		DEFAULT_BRANCH VARCHAR(100),
+		REGISTERED_DATE TIMESTAMP NOT NULL,
+		UPDATED_DATE TIMESTAMP NOT NULL,
+		LAST_ACTIVITY_DATE TIMESTAMP NOT NULL
+);
+
+CREATE TABLE COLLABORATOR(
+		USER_NAME VARCHAR(100) NOT NULL,
+		REPOSITORY_NAME VARCHAR(100) NOT NULL,
+		COLLABORATOR_NAME VARCHAR(100) NOT NULL
+);
+
+CREATE TABLE ISSUE(
+		USER_NAME VARCHAR(100) NOT NULL,
+		REPOSITORY_NAME VARCHAR(100) NOT NULL,
+		ISSUE_ID INT NOT NULL,
+		OPENED_USER_NAME VARCHAR(100) NOT NULL,
+		MILESTONE_ID INT,
+		ASSIGNED_USER_NAME VARCHAR(100),
+		TITLE TEXT NOT NULL,
+		CONTENT TEXT,
+		CLOSED BOOLEAN NOT NULL,
+		REGISTERED_DATE TIMESTAMP NOT NULL,
+		UPDATED_DATE TIMESTAMP NOT NULL
+);
+
+CREATE TABLE ISSUE_ID(
+		USER_NAME VARCHAR(100) NOT NULL,
+		REPOSITORY_NAME VARCHAR(100) NOT NULL,
+		ISSUE_ID INT NOT NULL
+);
+
+CREATE TABLE ISSUE_COMMENT(
+		USER_NAME VARCHAR(100) NOT NULL,
+		REPOSITORY_NAME VARCHAR(100) NOT NULL,
+		ISSUE_ID INT NOT NULL,
+		COMMENT_ID INT AUTO_INCREMENT,
+		ACTION VARCHAR(10),
+		COMMENTED_USER_NAME VARCHAR(100) NOT NULL,
+		CONTENT TEXT NOT NULL,
+		REGISTERED_DATE TIMESTAMP NOT NULL,
+		UPDATED_DATE TIMESTAMP NOT NULL
+);
+
+CREATE TABLE LABEL(
+		USER_NAME VARCHAR(100) NOT NULL,
+		REPOSITORY_NAME VARCHAR(100) NOT NULL,
+		LABEL_ID INT AUTO_INCREMENT,
+		LABEL_NAME VARCHAR(100) NOT NULL,
+		COLOR CHAR(6) NOT NULL
+);
+
+CREATE TABLE ISSUE_LABEL(
+		USER_NAME VARCHAR(100) NOT NULL,
+		REPOSITORY_NAME VARCHAR(100) NOT NULL,
+		ISSUE_ID INT NOT NULL,
+		LABEL_ID INT NOT NULL
+);
+
+CREATE TABLE MILESTONE(
+		USER_NAME VARCHAR(100) NOT NULL,
+		REPOSITORY_NAME VARCHAR(100) NOT NULL,
+		MILESTONE_ID INT AUTO_INCREMENT,
+		TITLE VARCHAR(100) NOT NULL,
+		DESCRIPTION TEXT,
+		DUE_DATE TIMESTAMP,
+		CLOSED_DATE TIMESTAMP
+);
+
+ALTER TABLE ACCOUNT ADD CONSTRAINT IDX_ACCOUNT_PK PRIMARY KEY (USER_NAME);
+ALTER TABLE ACCOUNT ADD CONSTRAINT IDX_ACCOUNT_1 UNIQUE (MAIL_ADDRESS);
+
+ALTER TABLE REPOSITORY ADD CONSTRAINT IDX_REPOSITORY_PK PRIMARY KEY (USER_NAME, REPOSITORY_NAME);
+ALTER TABLE REPOSITORY ADD CONSTRAINT IDX_REPOSITORY_FK0 FOREIGN KEY (USER_NAME) REFERENCES ACCOUNT (USER_NAME);
+
+ALTER TABLE COLLABORATOR ADD CONSTRAINT IDX_COLLABORATOR_PK PRIMARY KEY (USER_NAME, REPOSITORY_NAME);
+ALTER TABLE COLLABORATOR ADD CONSTRAINT IDX_COLLABORATOR_FK0 FOREIGN KEY (USER_NAME, REPOSITORY_NAME) REFERENCES REPOSITORY (USER_NAME, REPOSITORY_NAME);
+ALTER TABLE COLLABORATOR ADD CONSTRAINT IDX_COLLABORATOR_FK1 FOREIGN KEY (COLLABORATOR_NAME) REFERENCES ACCOUNT (USER_NAME);
+
+ALTER TABLE ISSUE ADD CONSTRAINT IDX_ISSUE_PK PRIMARY KEY (ISSUE_ID, USER_NAME, REPOSITORY_NAME);
+ALTER TABLE ISSUE ADD CONSTRAINT IDX_ISSUE_FK0 FOREIGN KEY (USER_NAME, REPOSITORY_NAME) REFERENCES REPOSITORY (USER_NAME, REPOSITORY_NAME);
+ALTER TABLE ISSUE ADD CONSTRAINT IDX_ISSUE_FK1 FOREIGN KEY (OPENED_USER_NAME) REFERENCES ACCOUNT (USER_NAME);
+ALTER TABLE ISSUE ADD CONSTRAINT IDX_ISSUE_FK2 FOREIGN KEY (MILESTONE_ID) REFERENCES MILESTONE (MILESTONE_ID);
+
+ALTER TABLE ISSUE_ID ADD CONSTRAINT IDX_ISSUE_ID_PK PRIMARY KEY (USER_NAME, REPOSITORY_NAME);
+ALTER TABLE ISSUE_ID ADD CONSTRAINT IDX_ISSUE_ID_FK1 FOREIGN KEY (USER_NAME, REPOSITORY_NAME) REFERENCES REPOSITORY (USER_NAME, REPOSITORY_NAME);
+
+ALTER TABLE ISSUE_COMMENT ADD CONSTRAINT IDX_ISSUE_COMMENT_PK PRIMARY KEY (COMMENT_ID);
+ALTER TABLE ISSUE_COMMENT ADD CONSTRAINT IDX_ISSUE_COMMENT_1 UNIQUE (USER_NAME, REPOSITORY_NAME, ISSUE_ID, COMMENT_ID);
+ALTER TABLE ISSUE_COMMENT ADD CONSTRAINT IDX_ISSUE_COMMENT_FK0 FOREIGN KEY (USER_NAME, REPOSITORY_NAME, ISSUE_ID) REFERENCES ISSUE (USER_NAME, REPOSITORY_NAME, ISSUE_ID);
+
+ALTER TABLE LABEL ADD CONSTRAINT IDX_LABEL_PK PRIMARY KEY (USER_NAME, REPOSITORY_NAME, LABEL_ID);
+ALTER TABLE LABEL ADD CONSTRAINT IDX_LABEL_FK0 FOREIGN KEY (USER_NAME, REPOSITORY_NAME) REFERENCES REPOSITORY (USER_NAME, REPOSITORY_NAME);
+
+ALTER TABLE ISSUE_LABEL ADD CONSTRAINT IDX_ISSUE_LABEL_PK PRIMARY KEY (USER_NAME, REPOSITORY_NAME, ISSUE_ID, LABEL_ID);
+ALTER TABLE ISSUE_LABEL ADD CONSTRAINT IDX_ISSUE_LABEL_FK0 FOREIGN KEY (USER_NAME, REPOSITORY_NAME, ISSUE_ID) REFERENCES ISSUE (USER_NAME, REPOSITORY_NAME, ISSUE_ID);
+
+ALTER TABLE MILESTONE ADD CONSTRAINT IDX_MILESTONE_PK PRIMARY KEY (USER_NAME, REPOSITORY_NAME, MILESTONE_ID);
+ALTER TABLE MILESTONE ADD CONSTRAINT IDX_MILESTONE_FK0 FOREIGN KEY (USER_NAME, REPOSITORY_NAME) REFERENCES REPOSITORY (USER_NAME, REPOSITORY_NAME);
+
+INSERT INTO ACCOUNT (
+  USER_NAME,
+  MAIL_ADDRESS,
+  PASSWORD,
+  ADMINISTRATOR,
+  URL,
+  REGISTERED_DATE,
+  UPDATED_DATE,
+  LAST_LOGIN_DATE
+) VALUES (
+  'root',
+  'root@localhost',
+  'dc76e9f0c0006e8f919e0c515c66dbba3982f785',
+  true,
+  'https://github.com/takezoe/gitbucket',
+  SYSDATE,
+  SYSDATE,
+  NULL
+);
--- a/src/main/resources/update/1_12.sql
+++ b/src/main/resources/update/1_12.sql
@@ -1,11 +0,0 @@
-ALTER TABLE GROUP_MEMBER ADD COLUMN MANAGER BOOLEAN DEFAULT FALSE;
-
-CREATE TABLE SSH_KEY (
-  USER_NAME VARCHAR(100) NOT NULL,
-  SSH_KEY_ID INT AUTO_INCREMENT,
-  TITLE VARCHAR(100) NOT NULL,
-  PUBLIC_KEY TEXT NOT NULL
-);
-
-ALTER TABLE SSH_KEY ADD CONSTRAINT IDX_SSH_KEY_PK PRIMARY KEY (USER_NAME, SSH_KEY_ID);
-ALTER TABLE SSH_KEY ADD CONSTRAINT IDX_SSH_KEY_FK0 FOREIGN KEY (USER_NAME) REFERENCES ACCOUNT (USER_NAME);
--- a/src/main/resources/update/1_13.sql
+++ b/src/main/resources/update/1_13.sql
@@ -1 +0,0 @@
-DROP TABLE COMMIT_LOG;
--- a/src/main/resources/update/2_3.sql
+++ b/src/main/resources/update/2_3.sql
@@ -1,6 +0,0 @@
-CREATE TABLE PLUGIN (
-  PLUGIN_ID VARCHAR(100) NOT NULL,
-  VERSION   VARCHAR(100) NOT NULL
-);
-
-ALTER TABLE PLUGIN ADD CONSTRAINT IDX_PLUGIN_PK PRIMARY KEY (PLUGIN_ID);
--- a/src/main/scala/ScalatraBootstrap.scala
+++ b/src/main/scala/ScalatraBootstrap.scala
@@ -1,6 +1,6 @@
-import _root_.servlet.{PluginActionInvokeFilter, BasicAuthenticationFilter, TransactionFilter}
+import _root_.servlet.{BasicAuthenticationFilter, TransactionFilter}
 import app._
-//import jp.sf.amateras.scalatra.forms.ValidationJavaScriptProvider
+import jp.sf.amateras.scalatra.forms.ValidationJavaScriptProvider
 import org.scalatra._
 import javax.servlet._
 import java.util.EnumSet
@@ -10,8 +10,6 @@ class ScalatraBootstrap extends LifeCycle {
    // Register TransactionFilter and BasicAuthenticationFilter at first
    context.addFilter("transactionFilter", new TransactionFilter)
    context.getFilterRegistration("transactionFilter").addMappingForUrlPatterns(EnumSet.allOf(classOf[DispatcherType]), true, "/*")
-    context.addFilter("pluginActionInvokeFilter", new PluginActionInvokeFilter)
-    context.getFilterRegistration("pluginActionInvokeFilter").addMappingForUrlPatterns(EnumSet.allOf(classOf[DispatcherType]), true, "/*")
    context.addFilter("basicAuthenticationFilter", new BasicAuthenticationFilter)
    context.getFilterRegistration("basicAuthenticationFilter").addMappingForUrlPatterns(EnumSet.allOf(classOf[DispatcherType]), true, "/git/*")

@@ -22,6 +20,7 @@ class ScalatraBootstrap extends LifeCycle {
    context.mount(new DashboardController, "/*")
    context.mount(new UserManagementController, "/*")
    context.mount(new SystemSettingsController, "/*")
+    context.mount(new CreateRepositoryController, "/*")
    context.mount(new AccountController, "/*")
    context.mount(new RepositoryViewerController, "/*")
    context.mount(new WikiController, "/*")
@@ -30,6 +29,7 @@ class ScalatraBootstrap extends LifeCycle {
    context.mount(new IssuesController, "/*")
    context.mount(new PullRequestsController, "/*")
    context.mount(new RepositorySettingsController, "/*")
+    context.mount(new ValidationJavaScriptProvider, "/assets/common/js/*")

    // Create GITBUCKET_HOME directory if it does not exist
    val dir = new java.io.File(_root_.util.Directory.GitBucketHome)
--- a/src/main/scala/app/AccountController.scala
+++ b/src/main/scala/app/AccountController.scala
@@ -1,27 +1,17 @@
 package app

 import service._
-import util._
+import util.{FileUtil, OneselfAuthenticator}
 import util.StringUtil._
 import util.Directory._
-import util.ControlUtil._
-import util.Implicits._
-import ssh.SshUtil
 import jp.sf.amateras.scalatra.forms._
 import org.apache.commons.io.FileUtils
-import org.scalatra.i18n.Messages
-import org.eclipse.jgit.api.Git
-import org.eclipse.jgit.lib.{FileMode, Constants}
-import org.eclipse.jgit.dircache.DirCache
-import model.GroupMember

 class AccountController extends AccountControllerBase
-  with AccountService with RepositoryService with ActivityService with WikiService with LabelsService with SshKeyService
-  with OneselfAuthenticator with UsersAuthenticator with GroupManagerAuthenticator with ReadableUsersAuthenticator
+  with AccountService with RepositoryService with ActivityService with OneselfAuthenticator

 trait AccountControllerBase extends AccountManagementControllerBase {
-  self: AccountService with RepositoryService with ActivityService with WikiService with LabelsService with SshKeyService
-    with OneselfAuthenticator with UsersAuthenticator with GroupManagerAuthenticator with ReadableUsersAuthenticator =>
+  self: AccountService with RepositoryService with ActivityService with OneselfAuthenticator =>

  case class AccountNewForm(userName: String, password: String, fullName: String, mailAddress: String,
                            url: Option[String], fileId: Option[String])
@@ -29,8 +19,6 @@ trait AccountControllerBase extends AccountManagementControllerBase {
  case class AccountEditForm(password: Option[String], fullName: String, mailAddress: String,
                             url: Option[String], fileId: Option[String], clearImage: Boolean)

-  case class SshKeyForm(title: String, publicKey: String)
-
  val newForm = mapping(
    "userName"    -> trim(label("User name"    , text(required, maxlength(100), identifier, uniqueUserName))),
    "password"    -> trim(label("Password"     , text(required, maxlength(20)))),
@@ -49,45 +37,6 @@ trait AccountControllerBase extends AccountManagementControllerBase {
    "clearImage"  -> trim(label("Clear image"  , boolean()))
  )(AccountEditForm.apply)

-  val sshKeyForm = mapping(
-    "title"     -> trim(label("Title", text(required, maxlength(100)))),
-    "publicKey" -> trim(label("Key"  , text(required, validPublicKey)))
-  )(SshKeyForm.apply)
-
-  case class NewGroupForm(groupName: String, url: Option[String], fileId: Option[String], members: String)
-  case class EditGroupForm(groupName: String, url: Option[String], fileId: Option[String], members: String, clearImage: Boolean)
-
-  val newGroupForm = mapping(
-    "groupName" -> trim(label("Group name" ,text(required, maxlength(100), identifier, uniqueUserName))),
-    "url"       -> trim(label("URL"        ,optional(text(maxlength(200))))),
-    "fileId"    -> trim(label("File ID"    ,optional(text()))),
-    "members"   -> trim(label("Members"    ,text(required, members)))
-  )(NewGroupForm.apply)
-
-  val editGroupForm = mapping(
-    "groupName"  -> trim(label("Group name"  ,text(required, maxlength(100), identifier))),
-    "url"        -> trim(label("URL"         ,optional(text(maxlength(200))))),
-    "fileId"     -> trim(label("File ID"     ,optional(text()))),
-    "members"    -> trim(label("Members"     ,text(required, members))),
-    "clearImage" -> trim(label("Clear image" ,boolean()))
-  )(EditGroupForm.apply)
-
-  case class RepositoryCreationForm(owner: String, name: String, description: Option[String], isPrivate: Boolean, createReadme: Boolean)
-  case class ForkRepositoryForm(owner: String, name: String)
-
-  val newRepositoryForm = mapping(
-    "owner"        -> trim(label("Owner"          , text(required, maxlength(40), identifier, existsAccount))),
-    "name"         -> trim(label("Repository name", text(required, maxlength(40), identifier, uniqueRepository))),
-    "description"  -> trim(label("Description"    , optional(text()))),
-    "isPrivate"    -> trim(label("Repository Type", boolean())),
-    "createReadme" -> trim(label("Create README"  , boolean()))
-  )(RepositoryCreationForm.apply)
-
-  val forkRepositoryForm = mapping(
-    "owner" -> trim(label("Repository owner", text(required))),
-    "name"  -> trim(label("Repository name",  text(required)))
-  )(ForkRepositoryForm.apply)
-
  /**
   * Displays user information.
   */
@@ -102,30 +51,18 @@ trait AccountControllerBase extends AccountManagementControllerBase {
            getActivitiesByUser(userName, true))

        // Members
-        case "members" if(account.isGroupAccount) => {
-          val members = getGroupMembers(account.userName)
-          _root_.account.html.members(account, members.map(_.userName),
-            context.loginAccount.exists(x => members.exists { member => member.userName == x.userName && member.isManager }))
-        }
+        case "members" if(account.isGroupAccount) =>
+          _root_.account.html.members(account, getGroupMembers(account.userName))

        // Repositories
-        case _ => {
-          val members = getGroupMembers(account.userName)
+        case _ =>
          _root_.account.html.repositories(account,
            if(account.isGroupAccount) Nil else getGroupsByUserName(userName),
-            getVisibleRepositories(context.loginAccount, context.baseUrl, Some(userName)),
-            context.loginAccount.exists(x => members.exists { member => member.userName == x.userName && member.isManager }))
-        }
+            getVisibleRepositories(context.loginAccount, baseUrl, Some(userName)))
      }
    } getOrElse NotFound
  }

-  get("/:userName.atom") {
-    val userName = params("userName")
-    contentType = "application/atom+xml; type=feed"
-    helper.xml.feed(getActivitiesByUser(userName, true))
-  }
-
  get("/:userName/_avatar"){
    val userName = params("userName")
    getAccountByUserName(userName).flatMap(_.image).map { image =>
@@ -139,9 +76,7 @@ trait AccountControllerBase extends AccountManagementControllerBase {

  get("/:userName/_edit")(oneselfOnly {
    val userName = params("userName")
-    getAccountByUserName(userName).map { x =>
-      account.html.edit(x, flash.get("info"))
-    } getOrElse NotFound
+    getAccountByUserName(userName).map(x => account.html.edit(Some(x), flash.get("info"))) getOrElse NotFound
  })

  post("/:userName/_edit", editForm)(oneselfOnly { form =>
@@ -181,254 +116,22 @@ trait AccountControllerBase extends AccountManagementControllerBase {
    redirect("/")
  })

-  get("/:userName/_ssh")(oneselfOnly {
-    val userName = params("userName")
-    getAccountByUserName(userName).map { x =>
-      account.html.ssh(x, getPublicKeys(x.userName))
-    } getOrElse NotFound
-  })
-
-  post("/:userName/_ssh", sshKeyForm)(oneselfOnly { form =>
-    val userName = params("userName")
-    addPublicKey(userName, form.title, form.publicKey)
-    redirect(s"/${userName}/_ssh")
-  })
-
-  get("/:userName/_ssh/delete/:id")(oneselfOnly {
-    val userName = params("userName")
-    val sshKeyId = params("id").toInt
-    deletePublicKey(userName, sshKeyId)
-    redirect(s"/${userName}/_ssh")
-  })
-
  get("/register"){
-    if(context.settings.allowAccountRegistration){
+    if(loadSystemSettings().allowAccountRegistration){
      if(context.loginAccount.isDefined){
        redirect("/")
      } else {
-        account.html.register()
+        account.html.edit(None, None)
      }
    } else NotFound
  }

  post("/register", newForm){ form =>
-    if(context.settings.allowAccountRegistration){
+    if(loadSystemSettings().allowAccountRegistration){
      createAccount(form.userName, sha1(form.password), form.fullName, form.mailAddress, false, form.url)
      updateImage(form.userName, form.fileId, false)
      redirect("/signin")
    } else NotFound
  }

-  get("/groups/new")(usersOnly {
-    account.html.group(None, List(GroupMember("", context.loginAccount.get.userName, true)))
-  })
-
-  post("/groups/new", newGroupForm)(usersOnly { form =>
-    createGroup(form.groupName, form.url)
-    updateGroupMembers(form.groupName, form.members.split(",").map {
-      _.split(":") match {
-        case Array(userName, isManager) => (userName, isManager.toBoolean)
-      }
-    }.toList)
-    updateImage(form.groupName, form.fileId, false)
-    redirect(s"/${form.groupName}")
-  })
-
-  get("/:groupName/_editgroup")(managersOnly {
-    defining(params("groupName")){ groupName =>
-      account.html.group(getAccountByUserName(groupName, true), getGroupMembers(groupName))
-    }
-  })
-
-  get("/:groupName/_deletegroup")(managersOnly {
-    defining(params("groupName")){ groupName =>
-      // Remove from GROUP_MEMBER
-      updateGroupMembers(groupName, Nil)
-      // Remove repositories
-      getRepositoryNamesOfUser(groupName).foreach { repositoryName =>
-        deleteRepository(groupName, repositoryName)
-        FileUtils.deleteDirectory(getRepositoryDir(groupName, repositoryName))
-        FileUtils.deleteDirectory(getWikiRepositoryDir(groupName, repositoryName))
-        FileUtils.deleteDirectory(getTemporaryDir(groupName, repositoryName))
-      }
-    }
-    redirect("/")
-  })
-
-  post("/:groupName/_editgroup", editGroupForm)(managersOnly { form =>
-    defining(params("groupName"), form.members.split(",").map {
-      _.split(":") match {
-        case Array(userName, isManager) => (userName, isManager.toBoolean)
-      }
-    }.toList){ case (groupName, members) =>
-      getAccountByUserName(groupName, true).map { account =>
-        updateGroup(groupName, form.url, false)
-
-        // Update GROUP_MEMBER
-        updateGroupMembers(form.groupName, members)
-        // Update COLLABORATOR for group repositories
-        getRepositoryNamesOfUser(form.groupName).foreach { repositoryName =>
-          removeCollaborators(form.groupName, repositoryName)
-          members.foreach { case (userName, isManager) =>
-            addCollaborator(form.groupName, repositoryName, userName)
-          }
-        }
-
-        updateImage(form.groupName, form.fileId, form.clearImage)
-        redirect(s"/${form.groupName}")
-
-      } getOrElse NotFound
-    }
-  })
-
-  /**
-   * Show the new repository form.
-   */
-  get("/new")(usersOnly {
-    account.html.newrepo(getGroupsByUserName(context.loginAccount.get.userName))
-  })
-
-  /**
-   * Create new repository.
-   */
-  post("/new", newRepositoryForm)(usersOnly { form =>
-    LockUtil.lock(s"${form.owner}/${form.name}"){
-      if(getRepository(form.owner, form.name, context.baseUrl).isEmpty){
-        val ownerAccount  = getAccountByUserName(form.owner).get
-        val loginAccount  = context.loginAccount.get
-        val loginUserName = loginAccount.userName
-
-        // Insert to the database at first
-        createRepository(form.name, form.owner, form.description, form.isPrivate)
-
-        // Add collaborators for group repository
-        if(ownerAccount.isGroupAccount){
-          getGroupMembers(form.owner).foreach { member =>
-            addCollaborator(form.owner, form.name, member.userName)
-          }
-        }
-
-        // Insert default labels
-        insertDefaultLabels(form.owner, form.name)
-
-        // Create the actual repository
-        val gitdir = getRepositoryDir(form.owner, form.name)
-        JGitUtil.initRepository(gitdir)
-
-        if(form.createReadme){
-          using(Git.open(gitdir)){ git =>
-            val builder  = DirCache.newInCore.builder()
-            val inserter = git.getRepository.newObjectInserter()
-            val headId   = git.getRepository.resolve(Constants.HEAD + "^{commit}")
-            val content  = if(form.description.nonEmpty){
-              form.name + "\n" +
-              "===============\n" +
-              "\n" +
-              form.description.get
-            } else {
-              form.name + "\n" +
-              "===============\n"
-            }
-
-            builder.add(JGitUtil.createDirCacheEntry("README.md", FileMode.REGULAR_FILE,
-              inserter.insert(Constants.OBJ_BLOB, content.getBytes("UTF-8"))))
-            builder.finish()
-
-            JGitUtil.createNewCommit(git, inserter, headId, builder.getDirCache.writeTree(inserter),
-              Constants.HEAD, loginAccount.fullName, loginAccount.mailAddress, "Initial commit")
-          }
-        }
-
-        // Create Wiki repository
-        createWikiRepository(loginAccount, form.owner, form.name)
-
-        // Record activity
-        recordCreateRepositoryActivity(form.owner, form.name, loginUserName)
-      }
-
-      // redirect to the repository
-      redirect(s"/${form.owner}/${form.name}")
-    }
-  })
-
-  get("/:owner/:repository/fork")(readableUsersOnly { repository =>
-    val loginAccount   = context.loginAccount.get
-    val loginUserName  = loginAccount.userName
-
-    LockUtil.lock(s"${loginUserName}/${repository.name}"){
-      if(repository.owner == loginUserName || getRepository(loginAccount.userName, repository.name, baseUrl).isDefined){
-        // redirect to the repository if repository already exists
-        redirect(s"/${loginUserName}/${repository.name}")
-      } else {
-        // Insert to the database at first
-        val originUserName = repository.repository.originUserName.getOrElse(repository.owner)
-        val originRepositoryName = repository.repository.originRepositoryName.getOrElse(repository.name)
-
-        createRepository(
-          repositoryName       = repository.name,
-          userName             = loginUserName,
-          description          = repository.repository.description,
-          isPrivate            = repository.repository.isPrivate,
-          originRepositoryName = Some(originRepositoryName),
-          originUserName       = Some(originUserName),
-          parentRepositoryName = Some(repository.name),
-          parentUserName       = Some(repository.owner)
-        )
-
-        // Insert default labels
-        insertDefaultLabels(loginUserName, repository.name)
-
-        // clone repository actually
-        JGitUtil.cloneRepository(
-          getRepositoryDir(repository.owner, repository.name),
-          getRepositoryDir(loginUserName, repository.name))
-
-        // Create Wiki repository
-        JGitUtil.cloneRepository(
-          getWikiRepositoryDir(repository.owner, repository.name),
-          getWikiRepositoryDir(loginUserName, repository.name))
-
-        // Record activity
-        recordForkActivity(repository.owner, repository.name, loginUserName)
-        // redirect to the repository
-        redirect(s"/${loginUserName}/${repository.name}")
-      }
-    }
-  })
-
-  private def insertDefaultLabels(userName: String, repositoryName: String): Unit = {
-    createLabel(userName, repositoryName, "bug", "fc2929")
-    createLabel(userName, repositoryName, "duplicate", "cccccc")
-    createLabel(userName, repositoryName, "enhancement", "84b6eb")
-    createLabel(userName, repositoryName, "invalid", "e6e6e6")
-    createLabel(userName, repositoryName, "question", "cc317c")
-    createLabel(userName, repositoryName, "wontfix", "ffffff")
-  }
-
-  private def existsAccount: Constraint = new Constraint(){
-    override def validate(name: String, value: String, messages: Messages): Option[String] =
-      if(getAccountByUserName(value).isEmpty) Some("User or group does not exist.") else None
-  }
-
-  private def uniqueRepository: Constraint = new Constraint(){
-    override def validate(name: String, value: String, params: Map[String, String], messages: Messages): Option[String] =
-      params.get("owner").flatMap { userName =>
-        getRepositoryNamesOfUser(userName).find(_ == value).map(_ => "Repository already exists.")
-      }
-  }
-
-  private def members: Constraint = new Constraint(){
-    override def validate(name: String, value: String, messages: Messages): Option[String] = {
-      if(value.split(",").exists {
-        _.split(":") match { case Array(userName, isManager) => isManager.toBoolean }
-      }) None else Some("Must select one manager at least.")
-    }
-  }
-
-  private def validPublicKey: Constraint = new Constraint(){
-    override def validate(name: String, value: String, messages: Messages): Option[String] = SshUtil.str2PublicKey(value) match {
-     case Some(_) => None
-     case None => Some("Key is invalid.")
-    }
-  }
 }
--- a/src/main/scala/app/ControllerBase.scala
+++ b/src/main/scala/app/ControllerBase.scala
@@ -9,9 +9,10 @@ import org.scalatra.json._
 import org.json4s._
 import jp.sf.amateras.scalatra.forms._
 import org.apache.commons.io.FileUtils
-import model._
+import model.Account
 import service.{SystemSettingsService, AccountService}
-import javax.servlet.http.{HttpServletResponse, HttpServletRequest}
+import javax.servlet.http.{HttpServletResponse, HttpSession, HttpServletRequest}
+import java.text.SimpleDateFormat
 import javax.servlet.{FilterChain, ServletResponse, ServletRequest}
 import org.scalatra.i18n._

@@ -24,9 +25,8 @@ abstract class ControllerBase extends ScalatraFilter

  implicit val jsonFormats = DefaultFormats

-// TODO Scala 2.11
-//  // Don't set content type via Accept header.
-//  override def format(implicit request: HttpServletRequest) = ""
+  // Don't set content type via Accept header.
+  override def format(implicit request: HttpServletRequest) = ""

  override def doFilter(request: ServletRequest, response: ServletResponse, chain: FilterChain): Unit = try {
    val httpRequest  = request.asInstanceOf[HttpServletRequest]
@@ -36,16 +36,18 @@ abstract class ControllerBase extends ScalatraFilter

    if(path.startsWith("/console/")){
      val account = httpRequest.getSession.getAttribute(Keys.Session.LoginAccount).asInstanceOf[Account]
-      val baseUrl = this.baseUrl(httpRequest)
      if(account == null){
        // Redirect to login form
-        httpResponse.sendRedirect(baseUrl + "/signin?redirect=" + StringUtil.urlEncode(path))
+        // TODO Should use the configured base url.
+        httpResponse.sendRedirect(context + "/signin?" + StringUtil.urlEncode(path))
      } else if(account.isAdmin){
        // H2 Console (administrators only)
+        // TODO Should use the configured base url.
        chain.doFilter(request, response)
      } else {
        // Redirect to dashboard
-        httpResponse.sendRedirect(baseUrl + "/")
+        // TODO Should use the configured base url.
+        httpResponse.sendRedirect(context + "/")
      }
    } else if(path.startsWith("/git/")){
      // Git repository
@@ -66,7 +68,7 @@ abstract class ControllerBase extends ScalatraFilter
  implicit def context: Context = {
    contextCache.get match {
      case null => {
-        val context = Context(loadSystemSettings(), LoginAccount, request)
+        val context = Context(loadSystemSettings().baseUrl.getOrElse(servletContext.getContextPath), LoginAccount, request)
        contextCache.set(context)
        context
      }
@@ -126,25 +128,22 @@ abstract class ControllerBase extends ScalatraFilter
      }
    }

-  // TODO Scala 2.11
-  override def url(path: String, params: Iterable[(String, Any)] = Iterable.empty,
-                   includeContextPath: Boolean = true, includeServletPath: Boolean = true,
-                   absolutize: Boolean = true, withSessionId: Boolean = true)
-                  (implicit request: HttpServletRequest, response: HttpServletResponse): String =
+  override def fullUrl(path: String, params: Iterable[(String, Any)] = Iterable.empty,
+                       includeContextPath: Boolean = true, includeServletPath: Boolean = true)
+                      (implicit request: HttpServletRequest, response: HttpServletResponse) =
    if (path.startsWith("http")) path
-    else baseUrl + super.url(path, params, false, false, false)
+    else baseUrl + url(path, params, false, false, false)

 }

 /**
 * Context object for the current request.
+ *
+ * @param path the context path
 */
-case class Context(settings: SystemSettingsService.SystemSettings, loginAccount: Option[Account], request: HttpServletRequest){
+case class Context(path: String, loginAccount: Option[Account], request: HttpServletRequest){

-  val path = settings.baseUrl.getOrElse(request.getContextPath)
-  val currentPath = request.getRequestURI.substring(request.getContextPath.length)
-  val baseUrl = settings.baseUrl(request)
-  val host = new java.net.URL(baseUrl).getHost
+  lazy val currentPath = request.getRequestURI.substring(request.getContextPath.length)

  /**
   * Get object from cache.
@@ -166,7 +165,7 @@ case class Context(settings: SystemSettingsService.SystemSettings, loginAccount:
 /**
 * Base trait for controllers which manages account information.
 */
-trait AccountManagementControllerBase extends ControllerBase {
+trait AccountManagementControllerBase extends ControllerBase with FileUploadControllerBase {
  self: AccountService  =>

  protected def updateImage(userName: String, fileId: Option[String], clearImage: Boolean): Unit =
@@ -177,9 +176,9 @@ trait AccountManagementControllerBase extends ControllerBase {
      }
    } else {
      fileId.map { fileId =>
-        val filename = "avatar." + FileUtil.getExtension(session.getAndRemove(Keys.Session.Upload(fileId)).get)
+        val filename = "avatar." + FileUtil.getExtension(getUploadedFilename(fileId).get)
        FileUtils.moveFile(
-          new java.io.File(getTemporaryDir(session.getId), fileId),
+          getTemporaryFile(fileId),
          new java.io.File(getUserUploadDir(userName), filename)
        )
        updateAvatarImage(userName, Some(filename))
@@ -199,3 +198,28 @@ trait AccountManagementControllerBase extends ControllerBase {
  }

 }
+
+/**
+ * Base trait for controllers which needs file uploading feature.
+ */
+trait FileUploadControllerBase {
+
+  def generateFileId: String =
+    new SimpleDateFormat("yyyyMMddHHmmSSsss").format(new java.util.Date(System.currentTimeMillis))
+
+  def TemporaryDir(implicit session: HttpSession): java.io.File =
+    new java.io.File(GitBucketHome, s"tmp/_upload/${session.getId}")
+
+  def getTemporaryFile(fileId: String)(implicit session: HttpSession): java.io.File =
+    new java.io.File(TemporaryDir, fileId)
+
+  //  def removeTemporaryFile(fileId: String)(implicit session: HttpSession): Unit =
+  //    getTemporaryFile(fileId).delete()
+
+  def removeTemporaryFiles()(implicit session: HttpSession): Unit =
+    FileUtils.deleteDirectory(TemporaryDir)
+
+  def getUploadedFilename(fileId: String)(implicit session: HttpSession): Option[String] =
+    session.getAndRemove[String](Keys.Session.Upload(fileId))
+
+}
--- a/src/main/scala/app/CreateRepositoryController.scala
+++ b/src/main/scala/app/CreateRepositoryController.scala
@@ -0,0 +1,199 @@
+package app
+
+import util.Directory._
+import util.ControlUtil._
+import util._
+import service._
+import org.eclipse.jgit.api.Git
+import jp.sf.amateras.scalatra.forms._
+import org.eclipse.jgit.lib.{FileMode, Constants}
+import org.eclipse.jgit.dircache.DirCache
+import org.scalatra.i18n.Messages
+
+class CreateRepositoryController extends CreateRepositoryControllerBase
+  with RepositoryService with AccountService with WikiService with LabelsService with ActivityService
+  with UsersAuthenticator with ReadableUsersAuthenticator
+
+/**
+ * Creates new repository.
+ */
+trait CreateRepositoryControllerBase extends ControllerBase {
+  self: RepositoryService with AccountService with WikiService with LabelsService with ActivityService
+    with UsersAuthenticator with ReadableUsersAuthenticator =>
+
+  case class RepositoryCreationForm(owner: String, name: String, description: Option[String], isPrivate: Boolean, createReadme: Boolean)
+
+  case class ForkRepositoryForm(owner: String, name: String)
+
+  val newForm = mapping(
+    "owner"        -> trim(label("Owner"          , text(required, maxlength(40), identifier, existsAccount))),
+    "name"         -> trim(label("Repository name", text(required, maxlength(40), identifier, unique))),
+    "description"  -> trim(label("Description"    , optional(text()))),
+    "isPrivate"    -> trim(label("Repository Type", boolean())),
+    "createReadme" -> trim(label("Create README"  , boolean()))
+  )(RepositoryCreationForm.apply)
+
+  val forkForm = mapping(
+    "owner" -> trim(label("Repository owner", text(required))),
+    "name"  -> trim(label("Repository name",  text(required)))
+  )(ForkRepositoryForm.apply)
+
+  /**
+   * Show the new repository form.
+   */
+  get("/new")(usersOnly {
+    html.newrepo(getGroupsByUserName(context.loginAccount.get.userName))
+  })
+  
+  /**
+   * Create new repository.
+   */
+  post("/new", newForm)(usersOnly { form =>
+    LockUtil.lock(s"${form.owner}/${form.name}/create"){
+      if(getRepository(form.owner, form.name, baseUrl).isEmpty){
+        val ownerAccount  = getAccountByUserName(form.owner).get
+        val loginAccount  = context.loginAccount.get
+        val loginUserName = loginAccount.userName
+
+        // Insert to the database at first
+        createRepository(form.name, form.owner, form.description, form.isPrivate)
+
+        // Add collaborators for group repository
+        if(ownerAccount.isGroupAccount){
+          getGroupMembers(form.owner).foreach { userName =>
+            addCollaborator(form.owner, form.name, userName)
+          }
+        }
+
+        // Insert default labels
+        insertDefaultLabels(form.owner, form.name)
+
+        // Create the actual repository
+        val gitdir = getRepositoryDir(form.owner, form.name)
+        JGitUtil.initRepository(gitdir)
+
+        if(form.createReadme){
+          using(Git.open(gitdir)){ git =>
+            val builder  = DirCache.newInCore.builder()
+            val inserter = git.getRepository.newObjectInserter()
+            val headId   = git.getRepository.resolve(Constants.HEAD + "^{commit}")
+            val content  = if(form.description.nonEmpty){
+              form.name + "\n" +
+              "===============\n" +
+              "\n" +
+              form.description.get
+            } else {
+              form.name + "\n" +
+              "===============\n"
+            }
+
+            builder.add(JGitUtil.createDirCacheEntry("README.md", FileMode.REGULAR_FILE,
+              inserter.insert(Constants.OBJ_BLOB, content.getBytes("UTF-8"))))
+            builder.finish()
+
+            JGitUtil.createNewCommit(git, inserter, headId, builder.getDirCache.writeTree(inserter),
+              loginAccount.fullName, loginAccount.mailAddress, "Initial commit")
+          }
+        }
+
+        // Create Wiki repository
+        createWikiRepository(loginAccount, form.owner, form.name)
+
+        // Record activity
+        recordCreateRepositoryActivity(form.owner, form.name, loginUserName)
+      }
+
+      // redirect to the repository
+      redirect(s"/${form.owner}/${form.name}")
+    }
+  })
+
+  get("/:owner/:repository/fork")(readableUsersOnly { repository =>
+    val loginAccount   = context.loginAccount.get
+    val loginUserName  = loginAccount.userName
+
+    LockUtil.lock(s"${loginUserName}/${repository.name}/create"){
+      if(repository.owner == loginUserName){
+        // redirect to the repository
+        redirect(s"/${repository.owner}/${repository.name}")
+      } else {
+        getForkedRepositories(repository.owner, repository.name).find(_._1 == loginUserName).map { case (owner, name) =>
+          // redirect to the repository
+          redirect(s"/${owner}/${name}")
+        } getOrElse {
+          // Insert to the database at first
+          val originUserName = repository.repository.originUserName.getOrElse(repository.owner)
+          val originRepositoryName = repository.repository.originRepositoryName.getOrElse(repository.name)
+
+          createRepository(
+            repositoryName       = repository.name,
+            userName             = loginUserName,
+            description          = repository.repository.description,
+            isPrivate            = repository.repository.isPrivate,
+            originRepositoryName = Some(originRepositoryName),
+            originUserName       = Some(originUserName),
+            parentRepositoryName = Some(repository.name),
+            parentUserName       = Some(repository.owner)
+          )
+
+          // Insert default labels
+          insertDefaultLabels(loginUserName, repository.name)
+
+          // clone repository actually
+          JGitUtil.cloneRepository(
+            getRepositoryDir(repository.owner, repository.name),
+            getRepositoryDir(loginUserName, repository.name))
+
+          // Create Wiki repository
+          JGitUtil.cloneRepository(
+            getWikiRepositoryDir(repository.owner, repository.name),
+            getWikiRepositoryDir(loginUserName, repository.name))
+
+          // insert commit id
+          using(Git.open(getRepositoryDir(loginUserName, repository.name))){ git =>
+            JGitUtil.getRepositoryInfo(loginUserName, repository.name, baseUrl).branchList.foreach { branch =>
+              JGitUtil.getCommitLog(git, branch) match {
+                case Right((commits, _)) => commits.foreach { commit =>
+                  if(!existsCommitId(loginUserName, repository.name, commit.id)){
+                    insertCommitId(loginUserName, repository.name, commit.id)
+                  }
+                }
+                case Left(_) => ???
+              }
+            }
+          }
+
+          // Record activity
+          recordForkActivity(repository.owner, repository.name, loginUserName)
+          // redirect to the repository
+          redirect(s"/${loginUserName}/${repository.name}")
+        }
+      }
+    }
+  })
+
+  private def insertDefaultLabels(userName: String, repositoryName: String): Unit = {
+    createLabel(userName, repositoryName, "bug", "fc2929")
+    createLabel(userName, repositoryName, "duplicate", "cccccc")
+    createLabel(userName, repositoryName, "enhancement", "84b6eb")
+    createLabel(userName, repositoryName, "invalid", "e6e6e6")
+    createLabel(userName, repositoryName, "question", "cc317c")
+    createLabel(userName, repositoryName, "wontfix", "ffffff")
+  }
+
+  private def existsAccount: Constraint = new Constraint(){
+    override def validate(name: String, value: String, messages: Messages): Option[String] =
+      if(getAccountByUserName(value).isEmpty) Some("User or group does not exist.") else None
+  }
+
+  /**
+   * Duplicate check for the repository name.
+   */
+  private def unique: Constraint = new Constraint(){
+    override def validate(name: String, value: String, params: Map[String, String], messages: Messages): Option[String] =
+      params.get("owner").flatMap { userName =>
+        getRepositoryNamesOfUser(userName).find(_ == value).map(_ => "Repository already exists.")
+      }
+  }
+  
+}
--- a/src/main/scala/app/DashboardController.scala
+++ b/src/main/scala/app/DashboardController.scala
@@ -1,110 +1,109 @@
-package app
-
-import service._
-import util.{UsersAuthenticator, Keys}
-import util.Implicits._
-
-class DashboardController extends DashboardControllerBase
-  with IssuesService with PullRequestService with RepositoryService with AccountService
-  with UsersAuthenticator
-
-trait DashboardControllerBase extends ControllerBase {
-  self: IssuesService with PullRequestService with RepositoryService with UsersAuthenticator =>
-
-  get("/dashboard/issues/repos")(usersOnly {
-    searchIssues("all")
-  })
-
-  get("/dashboard/issues/assigned")(usersOnly {
-    searchIssues("assigned")
-  })
-
-  get("/dashboard/issues/created_by")(usersOnly {
-    searchIssues("created_by")
-  })
-
-  get("/dashboard/pulls")(usersOnly {
-    searchPullRequests("created_by", None)
-  })
-
-  get("/dashboard/pulls/owned")(usersOnly {
-    searchPullRequests("created_by", None)
-  })
-
-  get("/dashboard/pulls/public")(usersOnly {
-    searchPullRequests("not_created_by", None)
-  })
-
-  get("/dashboard/pulls/for/:owner/:repository")(usersOnly {
-    searchPullRequests("all", Some(params("owner") + "/" + params("repository")))
-  })
-
-  private def searchIssues(filter: String) = {
-    import IssuesService._
-
-    // condition
-    val condition = session.putAndGet(Keys.Session.DashboardIssues,
-      if(request.hasQueryString) IssueSearchCondition(request)
-      else session.getAs[IssueSearchCondition](Keys.Session.DashboardIssues).getOrElse(IssueSearchCondition())
-    )
-
-    val userName   = context.loginAccount.get.userName
-    val userRepos  = getUserRepositories(userName, context.baseUrl, true).map(repo => repo.owner -> repo.name)
-    //val filterUser = Map(filter -> userName)
-    val page = IssueSearchCondition.page(request)
-
-    dashboard.html.issues(
-        dashboard.html.issueslist(
-            searchIssue(condition, false, (page - 1) * IssueLimit, IssueLimit, userRepos: _*),
-            page,
-            countIssue(condition.copy(state = "open"  ), false, userRepos: _*),
-            countIssue(condition.copy(state = "closed"), false, userRepos: _*),
-            condition),
-        countIssue(condition.copy(assigned = None, author = None), false, userRepos: _*),
-        countIssue(condition.copy(assigned = Some(userName), author = None), false, userRepos: _*),
-        countIssue(condition.copy(assigned = None, author = Some(userName)), false, userRepos: _*),
-        countIssueGroupByRepository(condition, false, userRepos: _*),
-        condition,
-        filter)    
-    
-  }
-
-  private def searchPullRequests(filter: String, repository: Option[String]) = {
-    import IssuesService._
-    import PullRequestService._
-
-    // condition
-    val condition = session.putAndGet(Keys.Session.DashboardPulls, {
-      if(request.hasQueryString) IssueSearchCondition(request)
-      else session.getAs[IssueSearchCondition](Keys.Session.DashboardPulls).getOrElse(IssueSearchCondition())
-    }.copy(repo = repository))
-
-    val userName   = context.loginAccount.get.userName
-    val allRepos   = getAllRepositories(userName)
-    val userRepos  = getUserRepositories(userName, context.baseUrl, true).map(repo => repo.owner -> repo.name)
-    val filterUser = Map(filter -> userName)
-    val page = IssueSearchCondition.page(request)
-
-    val counts = countIssueGroupByRepository(
-      IssueSearchCondition().copy(state = condition.state), true, userRepos: _*)
-
-    dashboard.html.pulls(
-      dashboard.html.pullslist(
-        searchIssue(condition, true, (page - 1) * PullRequestLimit, PullRequestLimit, allRepos: _*),
-        page,
-        countIssue(condition.copy(state = "open"  ), true, allRepos: _*),
-        countIssue(condition.copy(state = "closed"), true, allRepos: _*),
-        condition,
-        None,
-        false),
-      getAllPullRequestCountGroupByUser(condition.state == "closed", userName),
-      userRepos.map { case (userName, repoName) =>
-        (userName, repoName, counts.find { x => x._1 == userName && x._2 == repoName }.map(_._3).getOrElse(0))
-      }.sortBy(_._3).reverse,
-      condition,
-      filter)
-
-  }
-
-
-}
+package app
+
+import service._
+import util.{UsersAuthenticator, Keys}
+import util.Implicits._
+
+class DashboardController extends DashboardControllerBase
+  with IssuesService with PullRequestService with RepositoryService with AccountService
+  with UsersAuthenticator
+
+trait DashboardControllerBase extends ControllerBase {
+  self: IssuesService with PullRequestService with RepositoryService with UsersAuthenticator =>
+
+  get("/dashboard/issues/repos")(usersOnly {
+    searchIssues("all")
+  })
+
+  get("/dashboard/issues/assigned")(usersOnly {
+    searchIssues("assigned")
+  })
+
+  get("/dashboard/issues/created_by")(usersOnly {
+    searchIssues("created_by")
+  })
+
+  get("/dashboard/pulls")(usersOnly {
+    searchPullRequests("created_by", None)
+  })
+
+  get("/dashboard/pulls/owned")(usersOnly {
+    searchPullRequests("created_by", None)
+  })
+
+  get("/dashboard/pulls/public")(usersOnly {
+    searchPullRequests("not_created_by", None)
+  })
+
+  get("/dashboard/pulls/for/:owner/:repository")(usersOnly {
+    searchPullRequests("all", Some(params("owner") + "/" + params("repository")))
+  })
+
+  private def searchIssues(filter: String) = {
+    import IssuesService._
+
+    // condition
+    val condition = session.putAndGet(Keys.Session.DashboardIssues,
+      if(request.hasQueryString) IssueSearchCondition(request)
+      else session.getAs[IssueSearchCondition](Keys.Session.DashboardIssues).getOrElse(IssueSearchCondition())
+    )
+
+    val userName = context.loginAccount.get.userName
+    val repositories = getUserRepositories(userName, baseUrl).map(repo => repo.owner -> repo.name)
+    val filterUser = Map(filter -> userName)
+    val page = IssueSearchCondition.page(request)
+    // 
+    dashboard.html.issues(
+        issues.html.listparts(
+            searchIssue(condition, filterUser, false, (page - 1) * IssueLimit, IssueLimit, repositories: _*),
+            page,
+            countIssue(condition.copy(state = "open"), filterUser, false, repositories: _*),
+            countIssue(condition.copy(state = "closed"), filterUser, false, repositories: _*),
+            condition),
+        countIssue(condition, Map.empty, false, repositories: _*),
+        countIssue(condition, Map("assigned" -> userName), false, repositories: _*),
+        countIssue(condition, Map("created_by" -> userName), false, repositories: _*),
+        countIssueGroupByRepository(condition, filterUser, false, repositories: _*),
+        condition,
+        filter)    
+    
+  }
+
+  private def searchPullRequests(filter: String, repository: Option[String]) = {
+    import IssuesService._
+    import PullRequestService._
+
+    // condition
+    val condition = session.putAndGet(Keys.Session.DashboardPulls, {
+      if(request.hasQueryString) IssueSearchCondition(request)
+      else session.getAs[IssueSearchCondition](Keys.Session.DashboardPulls).getOrElse(IssueSearchCondition())
+    }.copy(repo = repository))
+
+    val userName = context.loginAccount.get.userName
+    val repositories = getUserRepositories(userName, baseUrl).map(repo => repo.owner -> repo.name)
+    val filterUser = Map(filter -> userName)
+    val page = IssueSearchCondition.page(request)
+
+    val counts = countIssueGroupByRepository(
+      IssueSearchCondition().copy(state = condition.state), Map.empty, true, repositories: _*)
+
+    dashboard.html.pulls(
+      pulls.html.listparts(
+        searchIssue(condition, filterUser, true, (page - 1) * PullRequestLimit, PullRequestLimit, repositories: _*),
+        page,
+        countIssue(condition.copy(state = "open"), filterUser, true, repositories: _*),
+        countIssue(condition.copy(state = "closed"), filterUser, true, repositories: _*),
+        condition,
+        None,
+        false),
+      getPullRequestCountGroupByUser(condition.state == "closed", userName, None),
+      getRepositoryNamesOfUser(userName).map { RepoName =>
+        (userName, RepoName, counts.collectFirst { case (_, RepoName, count) => count }.getOrElse(0))
+      }.sortBy(_._3).reverse,
+      condition,
+      filter)
+
+  }
+
+
+}
--- a/src/main/scala/app/FileUploadController.scala
+++ b/src/main/scala/app/FileUploadController.scala
@@ -1,44 +1,31 @@
 package app

-import util.{Keys, FileUtil}
+import _root_.util.{Keys, FileUtil}
 import util.ControlUtil._
-import util.Directory._
 import org.scalatra._
-import org.scalatra.servlet.{MultipartConfig, FileUploadSupport, FileItem}
+import org.scalatra.servlet.{MultipartConfig, FileUploadSupport}
 import org.apache.commons.io.FileUtils

 /**
 * Provides Ajax based file upload functionality.
 *
- * This servlet saves uploaded file.
+ * This servlet saves uploaded file as temporary file and returns the unique id.
+ * You can get uploaded file using [[app.FileUploadControllerBase#getTemporaryFile()]] with this id.
 */
-class FileUploadController extends ScalatraServlet with FileUploadSupport {
+class FileUploadController extends ScalatraServlet with FileUploadSupport with FileUploadControllerBase {

  configureMultipartHandling(MultipartConfig(maxFileSize = Some(3 * 1024 * 1024)))

  post("/image"){
-    execute { (file, fileId) =>
-      FileUtils.writeByteArrayToFile(new java.io.File(getTemporaryDir(session.getId), fileId), file.get)
-      session += Keys.Session.Upload(fileId) -> file.name
-    }
-  }
-
-  post("/image/:owner/:repository"){
-    execute { (file, fileId) =>
-      FileUtils.writeByteArrayToFile(new java.io.File(
-        getAttachedDir(params("owner"), params("repository")),
-        fileId + "." + FileUtil.getExtension(file.getName)), file.get)
-    }
-  }
-
-  private def execute(f: (FileItem, String) => Unit) = fileParams.get("file") match {
-    case Some(file) if(FileUtil.isImage(file.name)) =>
-      defining(FileUtil.generateFileId){ fileId =>
-        f(file, fileId)
-
+    fileParams.get("file") match {
+      case Some(file) if(FileUtil.isImage(file.name)) => defining(generateFileId){ fileId =>
+        FileUtils.writeByteArrayToFile(getTemporaryFile(fileId), file.get)
+        session += Keys.Session.Upload(fileId) -> file.name
        Ok(fileId)
      }
-    case _ => BadRequest
+      case None => BadRequest
+    }
  }

 }
+
--- a/src/main/scala/app/IndexController.scala
+++ b/src/main/scala/app/IndexController.scala
@@ -1,106 +1,81 @@
-package app
-
-import util._
-import util.Implicits._
-import service._
-import jp.sf.amateras.scalatra.forms._
-
-class IndexController extends IndexControllerBase 
-  with RepositoryService with ActivityService with AccountService with UsersAuthenticator
-
-trait IndexControllerBase extends ControllerBase {
-  self: RepositoryService with ActivityService with AccountService with UsersAuthenticator =>
-
-  case class SignInForm(userName: String, password: String)
-
-  val form = mapping(
-    "userName" -> trim(label("Username", text(required))),
-    "password" -> trim(label("Password", text(required)))
-  )(SignInForm.apply)
-
-  get("/"){
-    val loginAccount = context.loginAccount
-    if(loginAccount.isEmpty) {
-        html.index(getRecentActivities(),
-            getVisibleRepositories(loginAccount, context.baseUrl, withoutPhysicalInfo = true),
-            loginAccount.map{ account => getUserRepositories(account.userName, context.baseUrl, withoutPhysicalInfo = true) }.getOrElse(Nil)
-        )
-    } else {
-        val loginUserName = loginAccount.get.userName
-        val loginUserGroups = getGroupsByUserName(loginUserName)
-        var visibleOwnerSet : Set[String] = Set(loginUserName)
-        
-        visibleOwnerSet ++= loginUserGroups
-
-        html.index(getRecentActivitiesByOwners(visibleOwnerSet),
-            getVisibleRepositories(loginAccount, context.baseUrl, withoutPhysicalInfo = true),
-            loginAccount.map{ account => getUserRepositories(account.userName, context.baseUrl, withoutPhysicalInfo = true) }.getOrElse(Nil) 
-        )
-    }
-  }
-
-  get("/signin"){
-    val redirect = params.get("redirect")
-    if(redirect.isDefined && redirect.get.startsWith("/")){
-      flash += Keys.Flash.Redirect -> redirect.get
-    }
-    html.signin()
-  }
-
-  post("/signin", form){ form =>
-    authenticate(context.settings, form.userName, form.password) match {
-      case Some(account) => signin(account)
-      case None          => redirect("/signin")
-    }
-  }
-
-  get("/signout"){
-    session.invalidate
-    redirect("/")
-  }
-
-  get("/activities.atom"){
-    contentType = "application/atom+xml; type=feed"
-    helper.xml.feed(getRecentActivities())
-  }
-
-  /**
-   * Set account information into HttpSession and redirect.
-   */
-  private def signin(account: model.Account) = {
-    session.setAttribute(Keys.Session.LoginAccount, account)
-    updateLastLoginDate(account.userName)
-
-    if(LDAPUtil.isDummyMailAddress(account)) {
-      redirect("/" + account.userName + "/_edit")
-    }
-
-    flash.get(Keys.Flash.Redirect).asInstanceOf[Option[String]].map { redirectUrl =>
-      if(redirectUrl.stripSuffix("/") == request.getContextPath){
-        redirect("/")
-      } else {
-        redirect(redirectUrl)
-      }
-    }.getOrElse {
-      redirect("/")
-    }
-  }
-
-  /**
-   * JSON API for collaborator completion.
-   */
-  get("/_user/proposals")(usersOnly {
-    contentType = formats("json")
-    org.json4s.jackson.Serialization.write(
-      Map("options" -> getAllUsers().filter(!_.isGroupAccount).map(_.userName).toArray)
-    )
-  })
-
-  /**
-   * JSON APU for checking user existence.
-   */
-  post("/_user/existence")(usersOnly {
-    getAccountByUserName(params("userName")).isDefined
-  })
-
-}
+package app
+
+import util._
+import service._
+import jp.sf.amateras.scalatra.forms._
+
+class IndexController extends IndexControllerBase 
+  with RepositoryService with ActivityService with AccountService with UsersAuthenticator
+
+trait IndexControllerBase extends ControllerBase {
+  self: RepositoryService with ActivityService with AccountService with UsersAuthenticator =>
+
+  case class SignInForm(userName: String, password: String)
+
+  val form = mapping(
+    "userName" -> trim(label("Username", text(required))),
+    "password" -> trim(label("Password", text(required)))
+  )(SignInForm.apply)
+
+  get("/"){
+    val loginAccount = context.loginAccount
+
+    html.index(getRecentActivities(),
+      getVisibleRepositories(loginAccount, baseUrl),
+      loadSystemSettings(),
+      loginAccount.map{ account => getUserRepositories(account.userName, baseUrl) }.getOrElse(Nil)
+    )
+  }
+
+  get("/signin"){
+    val redirect = params.get("redirect")
+    if(redirect.isDefined && redirect.get.startsWith("/")){
+      flash += Keys.Flash.Redirect -> redirect.get
+    }
+    html.signin(loadSystemSettings())
+  }
+
+  post("/signin", form){ form =>
+    authenticate(loadSystemSettings(), form.userName, form.password) match {
+      case Some(account) => signin(account)
+      case None          => redirect("/signin")
+    }
+  }
+
+  get("/signout"){
+    session.invalidate
+    redirect("/")
+  }
+
+  /**
+   * Set account information into HttpSession and redirect.
+   */
+  private def signin(account: model.Account) = {
+    session.setAttribute(Keys.Session.LoginAccount, account)
+    updateLastLoginDate(account.userName)
+
+    flash.get(Keys.Flash.Redirect).asInstanceOf[Option[String]].map { redirectUrl =>
+      if(redirectUrl.replaceFirst("/$", "") == request.getContextPath){
+        redirect("/")
+      } else {
+        redirect(redirectUrl)
+      }
+    }.getOrElse {
+      redirect("/")
+    }
+  }
+
+  /**
+   * JSON API for collaborator completion.
+   *
+   * TODO Move to other controller?
+   */
+  get("/_user/proposals")(usersOnly {
+    contentType = formats("json")
+    org.json4s.jackson.Serialization.write(
+      Map("options" -> getAllUsers().filter(!_.isGroupAccount).map(_.userName).toArray)
+    )
+  })
+
+
+}
--- a/src/main/scala/app/IssuesController.scala
+++ b/src/main/scala/app/IssuesController.scala
@@ -1,412 +1,392 @@
-package app
-
-import jp.sf.amateras.scalatra.forms._
-
-import service._
-import IssuesService._
-import util._
-import util.Implicits._
-import util.ControlUtil._
-import org.scalatra.Ok
-import model.Issue
-import plugin.PluginSystem
-
-class IssuesController extends IssuesControllerBase
-  with IssuesService with RepositoryService with AccountService with LabelsService with MilestonesService with ActivityService
-  with ReadableUsersAuthenticator with ReferrerAuthenticator with CollaboratorsAuthenticator
-
-trait IssuesControllerBase extends ControllerBase {
-  self: IssuesService with RepositoryService with AccountService with LabelsService with MilestonesService with ActivityService
-    with ReadableUsersAuthenticator with ReferrerAuthenticator with CollaboratorsAuthenticator =>
-
-  case class IssueCreateForm(title: String, content: Option[String],
-    assignedUserName: Option[String], milestoneId: Option[Int], labelNames: Option[String])
-  case class CommentForm(issueId: Int, content: String)
-  case class IssueStateForm(issueId: Int, content: Option[String])
-
-  val issueCreateForm = mapping(
-      "title"            -> trim(label("Title", text(required))),
-      "content"          -> trim(optional(text())),
-      "assignedUserName" -> trim(optional(text())),
-      "milestoneId"      -> trim(optional(number())),
-      "labelNames"       -> trim(optional(text()))
-    )(IssueCreateForm.apply)
-
-  val issueTitleEditForm = mapping(
-    "title" -> trim(label("Title", text(required)))
-    )(x => x)
-  val issueEditForm = mapping(
-    "content" -> trim(optional(text()))
-    )(x => x)
-
-  val commentForm = mapping(
-      "issueId" -> label("Issue Id", number()),
-      "content" -> trim(label("Comment", text(required)))
-    )(CommentForm.apply)
-
-  val issueStateForm = mapping(
-      "issueId" -> label("Issue Id", number()),
-      "content" -> trim(optional(text()))
-    )(IssueStateForm.apply)
-
-  get("/:owner/:repository/issues")(referrersOnly { repository =>
-    searchIssues(repository)
-  })
-
-  get("/:owner/:repository/issues/:id")(referrersOnly { repository =>
-    defining(repository.owner, repository.name, params("id")){ case (owner, name, issueId) =>
-      getIssue(owner, name, issueId) map {
-        issues.html.issue(
-          _,
-          getComments(owner, name, issueId.toInt),
-          getIssueLabels(owner, name, issueId.toInt),
-          (getCollaborators(owner, name) ::: (if(getAccountByUserName(owner).get.isGroupAccount) Nil else List(owner))).sorted,
-          getMilestonesWithIssueCount(owner, name),
-          getLabels(owner, name),
-          hasWritePermission(owner, name, context.loginAccount),
-          repository)
-      } getOrElse NotFound
-    }
-  })
-
-  get("/:owner/:repository/issues/new")(readableUsersOnly { repository =>
-    defining(repository.owner, repository.name){ case (owner, name) =>
-      issues.html.create(
-        (getCollaborators(owner, name) ::: (if(getAccountByUserName(owner).get.isGroupAccount) Nil else List(owner))).sorted,
-          getMilestones(owner, name),
-          getLabels(owner, name),
-          hasWritePermission(owner, name, context.loginAccount),
-          repository)
-    }
-  })
-
-  post("/:owner/:repository/issues/new", issueCreateForm)(readableUsersOnly { (form, repository) =>
-    defining(repository.owner, repository.name){ case (owner, name) =>
-      val writable = hasWritePermission(owner, name, context.loginAccount)
-      val userName = context.loginAccount.get.userName
-
-      // insert issue
-      val issueId = createIssue(owner, name, userName, form.title, form.content,
-        if(writable) form.assignedUserName else None,
-        if(writable) form.milestoneId else None)
-
-      // insert labels
-      if(writable){
-        form.labelNames.map { value =>
-          val labels = getLabels(owner, name)
-          value.split(",").foreach { labelName =>
-            labels.find(_.labelName == labelName).map { label =>
-              registerIssueLabel(owner, name, issueId, label.labelId)
-            }
-          }
-        }
-      }
-
-      // record activity
-      recordCreateIssueActivity(owner, name, userName, issueId, form.title)
-
-      // extract references and create refer comment
-      getIssue(owner, name, issueId.toString).foreach { issue =>
-        createReferComment(owner, name, issue, form.title + " " + form.content.getOrElse(""))
-      }
-
-      // notifications
-      Notifier().toNotify(repository, issueId, form.content.getOrElse("")){
-        Notifier.msgIssue(s"${context.baseUrl}/${owner}/${name}/issues/${issueId}")
-      }
-
-      redirect(s"/${owner}/${name}/issues/${issueId}")
-    }
-  })
-
-  ajaxPost("/:owner/:repository/issues/edit_title/:id", issueTitleEditForm)(readableUsersOnly { (title, repository) =>
-    defining(repository.owner, repository.name){ case (owner, name) =>
-      getIssue(owner, name, params("id")).map { issue =>
-        if(isEditable(owner, name, issue.openedUserName)){
-          // update issue
-          updateIssue(owner, name, issue.issueId, title, issue.content)
-          // extract references and create refer comment
-          createReferComment(owner, name, issue.copy(title = title), title)
-
-          redirect(s"/${owner}/${name}/issues/_data/${issue.issueId}")
-        } else Unauthorized
-      } getOrElse NotFound
-    }
-  })
-
-  ajaxPost("/:owner/:repository/issues/edit/:id", issueEditForm)(readableUsersOnly { (content, repository) =>
-    defining(repository.owner, repository.name){ case (owner, name) =>
-      getIssue(owner, name, params("id")).map { issue =>
-        if(isEditable(owner, name, issue.openedUserName)){
-          // update issue
-          updateIssue(owner, name, issue.issueId, issue.title, content)
-          // extract references and create refer comment
-          createReferComment(owner, name, issue, content.getOrElse(""))
-
-          redirect(s"/${owner}/${name}/issues/_data/${issue.issueId}")
-        } else Unauthorized
-      } getOrElse NotFound
-    }
-  })
-
-  post("/:owner/:repository/issue_comments/new", commentForm)(readableUsersOnly { (form, repository) =>
-    handleComment(form.issueId, Some(form.content), repository)() map { case (issue, id) =>
-      redirect(s"/${repository.owner}/${repository.name}/${
-        if(issue.isPullRequest) "pull" else "issues"}/${form.issueId}#comment-${id}")
-    } getOrElse NotFound
-  })
-
-  post("/:owner/:repository/issue_comments/state", issueStateForm)(readableUsersOnly { (form, repository) =>
-    handleComment(form.issueId, form.content, repository)() map { case (issue, id) =>
-      redirect(s"/${repository.owner}/${repository.name}/${
-        if(issue.isPullRequest) "pull" else "issues"}/${form.issueId}#comment-${id}")
-    } getOrElse NotFound
-  })
-
-  ajaxPost("/:owner/:repository/issue_comments/edit/:id", commentForm)(readableUsersOnly { (form, repository) =>
-    defining(repository.owner, repository.name){ case (owner, name) =>
-      getComment(owner, name, params("id")).map { comment =>
-        if(isEditable(owner, name, comment.commentedUserName)){
-          updateComment(comment.commentId, form.content)
-          redirect(s"/${owner}/${name}/issue_comments/_data/${comment.commentId}")
-        } else Unauthorized
-      } getOrElse NotFound
-    }
-  })
-
-  ajaxPost("/:owner/:repository/issue_comments/delete/:id")(readableUsersOnly { repository =>
-    defining(repository.owner, repository.name){ case (owner, name) =>
-      getComment(owner, name, params("id")).map { comment =>
-        if(isEditable(owner, name, comment.commentedUserName)){
-          Ok(deleteComment(comment.commentId))
-        } else Unauthorized
-      } getOrElse NotFound
-    }
-  })
-
-  ajaxGet("/:owner/:repository/issues/_data/:id")(readableUsersOnly { repository =>
-    getIssue(repository.owner, repository.name, params("id")) map { x =>
-      if(isEditable(x.userName, x.repositoryName, x.openedUserName)){
-        params.get("dataType") collect {
-          case t if t == "html" => issues.html.editissue(
-              x.content, x.issueId, x.userName, x.repositoryName)
-        } getOrElse {
-          contentType = formats("json")
-          org.json4s.jackson.Serialization.write(
-              Map("title"   -> x.title,
-                  "content" -> view.Markdown.toHtml(x.content getOrElse "No description given.",
-                      repository, false, true)
-              ))
-        }
-      } else Unauthorized
-    } getOrElse NotFound
-  })
-
-  ajaxGet("/:owner/:repository/issue_comments/_data/:id")(readableUsersOnly { repository =>
-    getComment(repository.owner, repository.name, params("id")) map { x =>
-      if(isEditable(x.userName, x.repositoryName, x.commentedUserName)){
-        params.get("dataType") collect {
-          case t if t == "html" => issues.html.editcomment(
-              x.content, x.commentId, x.userName, x.repositoryName)
-        } getOrElse {
-          contentType = formats("json")
-          org.json4s.jackson.Serialization.write(
-              Map("content" -> view.Markdown.toHtml(x.content,
-                  repository, false, true)
-              ))
-        }
-      } else Unauthorized
-    } getOrElse NotFound
-  })
-
-  ajaxPost("/:owner/:repository/issues/:id/label/new")(collaboratorsOnly { repository =>
-    defining(params("id").toInt){ issueId =>
-      registerIssueLabel(repository.owner, repository.name, issueId, params("labelId").toInt)
-      issues.html.labellist(getIssueLabels(repository.owner, repository.name, issueId))
-    }
-  })
-
-  ajaxPost("/:owner/:repository/issues/:id/label/delete")(collaboratorsOnly { repository =>
-    defining(params("id").toInt){ issueId =>
-      deleteIssueLabel(repository.owner, repository.name, issueId, params("labelId").toInt)
-      issues.html.labellist(getIssueLabels(repository.owner, repository.name, issueId))
-    }
-  })
-
-  ajaxPost("/:owner/:repository/issues/:id/assign")(collaboratorsOnly { repository =>
-    updateAssignedUserName(repository.owner, repository.name, params("id").toInt, assignedUserName("assignedUserName"))
-    Ok("updated")
-  })
-
-  ajaxPost("/:owner/:repository/issues/:id/milestone")(collaboratorsOnly { repository =>
-    updateMilestoneId(repository.owner, repository.name, params("id").toInt, milestoneId("milestoneId"))
-    milestoneId("milestoneId").map { milestoneId =>
-      getMilestonesWithIssueCount(repository.owner, repository.name)
-          .find(_._1.milestoneId == milestoneId).map { case (_, openCount, closeCount) =>
-        issues.milestones.html.progress(openCount + closeCount, closeCount)
-      } getOrElse NotFound
-    } getOrElse Ok()
-  })
-
-  post("/:owner/:repository/issues/batchedit/state")(collaboratorsOnly { repository =>
-    defining(params.get("value")){ action =>
-      action match {
-        case Some("open")  => executeBatch(repository) { handleComment(_, None, repository)( _ => Some("reopen")) }
-        case Some("close") => executeBatch(repository) { handleComment(_, None, repository)( _ => Some("close"))  }
-        case _ => // TODO BadRequest
-      }
-    }
-  })
-
-  post("/:owner/:repository/issues/batchedit/label")(collaboratorsOnly { repository =>
-    params("value").toIntOpt.map{ labelId =>
-      executeBatch(repository) { issueId =>
-        getIssueLabel(repository.owner, repository.name, issueId, labelId) getOrElse {
-          registerIssueLabel(repository.owner, repository.name, issueId, labelId)
-        }
-      }
-    } getOrElse NotFound
-  })
-
-  post("/:owner/:repository/issues/batchedit/assign")(collaboratorsOnly { repository =>
-    defining(assignedUserName("value")){ value =>
-      executeBatch(repository) {
-        updateAssignedUserName(repository.owner, repository.name, _, value)
-      }
-    }
-  })
-
-  post("/:owner/:repository/issues/batchedit/milestone")(collaboratorsOnly { repository =>
-    defining(milestoneId("value")){ value =>
-      executeBatch(repository) {
-        updateMilestoneId(repository.owner, repository.name, _, value)
-      }
-    }
-  })
-
-  get("/:owner/:repository/_attached/:file")(referrersOnly { repository =>
-    (Directory.getAttachedDir(repository.owner, repository.name) match {
-      case dir if(dir.exists && dir.isDirectory) =>
-        dir.listFiles.find(_.getName.startsWith(params("file") + ".")).map { file =>
-          contentType = FileUtil.getMimeType(file.getName)
-          file
-        }
-      case _ => None
-    }) getOrElse NotFound
-  })
-
-  val assignedUserName = (key: String) => params.get(key) filter (_.trim != "")
-  val milestoneId: String => Option[Int] = (key: String) => params.get(key).flatMap(_.toIntOpt)
-
-  private def isEditable(owner: String, repository: String, author: String)(implicit context: app.Context): Boolean =
-    hasWritePermission(owner, repository, context.loginAccount) || author == context.loginAccount.get.userName
-
-  private def executeBatch(repository: RepositoryService.RepositoryInfo)(execute: Int => Unit) = {
-    params("checked").split(',') map(_.toInt) foreach execute
-    params("from") match {
-      case "issues" => redirect(s"/${repository.owner}/${repository.name}/issues")
-      case "pulls"  => redirect(s"/${repository.owner}/${repository.name}/pulls")
-    }
-  }
-
-  private def createReferComment(owner: String, repository: String, fromIssue: Issue, message: String) = {
-    StringUtil.extractIssueId(message).foreach { issueId =>
-      if(getIssue(owner, repository, issueId).isDefined){
-        createComment(owner, repository, context.loginAccount.get.userName, issueId.toInt,
-                      fromIssue.issueId + ":" + fromIssue.title, "refer")
-      }
-    }
-  }
-
-  /**
-   * @see [[https://github.com/takezoe/gitbucket/wiki/CommentAction]]
-   */
-  private def handleComment(issueId: Int, content: Option[String], repository: RepositoryService.RepositoryInfo)
-      (getAction: model.Issue => Option[String] =
-           p1 => params.get("action").filter(_ => isEditable(p1.userName, p1.repositoryName, p1.openedUserName))) = {
-
-    defining(repository.owner, repository.name){ case (owner, name) =>
-      val userName = context.loginAccount.get.userName
-
-      getIssue(owner, name, issueId.toString) map { issue =>
-        val (action, recordActivity) =
-          getAction(issue)
-            .collect {
-              case "close" if(!issue.closed) => true  ->
-                (Some("close")  -> Some(if(issue.isPullRequest) recordClosePullRequestActivity _ else recordCloseIssueActivity _))
-              case "reopen" if(issue.closed) => false ->
-                (Some("reopen") -> Some(recordReopenIssueActivity _))
-            }
-            .map { case (closed, t) =>
-              updateClosed(owner, name, issueId, closed)
-              t
-            }
-            .getOrElse(None -> None)
-
-        val commentId = content
-          .map       ( _ -> action.map( _ + "_comment" ).getOrElse("comment") )
-          .getOrElse ( action.get.capitalize -> action.get )
-        match {
-          case (content, action) => createComment(owner, name, userName, issueId, content, action)
-        }
-
-        // record comment activity if comment is entered
-        content foreach {
-          (if(issue.isPullRequest) recordCommentPullRequestActivity _ else recordCommentIssueActivity _)
-          (owner, name, userName, issueId, _)
-        }
-        recordActivity foreach ( _ (owner, name, userName, issueId, issue.title) )
-
-        // extract references and create refer comment
-        content.map { content =>
-          createReferComment(owner, name, issue, content)
-        }
-
-        // notifications
-        Notifier() match {
-          case f =>
-            content foreach {
-              f.toNotify(repository, issueId, _){
-                Notifier.msgComment(s"${context.baseUrl}/${owner}/${name}/${
-                  if(issue.isPullRequest) "pull" else "issues"}/${issueId}#comment-${commentId}")
-              }
-            }
-            action foreach {
-              f.toNotify(repository, issueId, _){
-                Notifier.msgStatus(s"${context.baseUrl}/${owner}/${name}/issues/${issueId}")
-              }
-            }
-        }
-
-        issue -> commentId
-      }
-    }
-  }
-
-  private def searchIssues(repository: RepositoryService.RepositoryInfo) = {
-    defining(repository.owner, repository.name){ case (owner, repoName) =>
-      val page       = IssueSearchCondition.page(request)
-      val sessionKey = Keys.Session.Issues(owner, repoName)
-
-      // retrieve search condition
-      val condition = session.putAndGet(sessionKey,
-        if(request.hasQueryString) IssueSearchCondition(request)
-        else session.getAs[IssueSearchCondition](sessionKey).getOrElse(IssueSearchCondition())
-      )
-
-      issues.html.list(
-          "issues",
-          searchIssue(condition, false, (page - 1) * IssueLimit, IssueLimit, owner -> repoName),
-          page,
-          (getCollaborators(owner, repoName) :+ owner).sorted,
-          getMilestones(owner, repoName),
-          getLabels(owner, repoName),
-          countIssue(condition.copy(state = "open"  ), false, owner -> repoName),
-          countIssue(condition.copy(state = "closed"), false, owner -> repoName),
-          condition,
-          repository,
-          hasWritePermission(owner, repoName, context.loginAccount))
-    }
-  }
-
-}
+package app
+
+import jp.sf.amateras.scalatra.forms._
+
+import service._
+import IssuesService._
+import util._
+import util.Implicits._
+import util.ControlUtil._
+import org.scalatra.Ok
+import model.Issue
+
+class IssuesController extends IssuesControllerBase
+  with IssuesService with RepositoryService with AccountService with LabelsService with MilestonesService with ActivityService
+  with ReadableUsersAuthenticator with ReferrerAuthenticator with CollaboratorsAuthenticator
+
+trait IssuesControllerBase extends ControllerBase {
+  self: IssuesService with RepositoryService with AccountService with LabelsService with MilestonesService with ActivityService
+    with ReadableUsersAuthenticator with ReferrerAuthenticator with CollaboratorsAuthenticator =>
+
+  case class IssueCreateForm(title: String, content: Option[String],
+    assignedUserName: Option[String], milestoneId: Option[Int], labelNames: Option[String])
+  case class IssueEditForm(title: String, content: Option[String])
+  case class CommentForm(issueId: Int, content: String)
+  case class IssueStateForm(issueId: Int, content: Option[String])
+
+  val issueCreateForm = mapping(
+      "title"            -> trim(label("Title", text(required))),
+      "content"          -> trim(optional(text())),
+      "assignedUserName" -> trim(optional(text())),
+      "milestoneId"      -> trim(optional(number())),
+      "labelNames"       -> trim(optional(text()))
+    )(IssueCreateForm.apply)
+
+  val issueEditForm = mapping(
+      "title"   -> trim(label("Title", text(required))),
+      "content" -> trim(optional(text()))
+    )(IssueEditForm.apply)
+
+  val commentForm = mapping(
+      "issueId" -> label("Issue Id", number()),
+      "content" -> trim(label("Comment", text(required)))
+    )(CommentForm.apply)
+
+  val issueStateForm = mapping(
+      "issueId" -> label("Issue Id", number()),
+      "content" -> trim(optional(text()))
+    )(IssueStateForm.apply)
+
+  get("/:owner/:repository/issues")(referrersOnly {
+    searchIssues("all", _)
+  })
+
+  get("/:owner/:repository/issues/assigned/:userName")(referrersOnly {
+    searchIssues("assigned", _)
+  })
+
+  get("/:owner/:repository/issues/created_by/:userName")(referrersOnly {
+    searchIssues("created_by", _)
+  })
+
+  get("/:owner/:repository/issues/:id")(referrersOnly { repository =>
+    defining(repository.owner, repository.name, params("id")){ case (owner, name, issueId) =>
+      getIssue(owner, name, issueId) map {
+        issues.html.issue(
+          _,
+          getComments(owner, name, issueId.toInt),
+          getIssueLabels(owner, name, issueId.toInt),
+          (getCollaborators(owner, name) ::: (if(getAccountByUserName(owner).get.isGroupAccount) Nil else List(owner))).sorted,
+          getMilestonesWithIssueCount(owner, name),
+          getLabels(owner, name),
+          hasWritePermission(owner, name, context.loginAccount),
+          repository)
+      } getOrElse NotFound
+    }
+  })
+
+  get("/:owner/:repository/issues/new")(readableUsersOnly { repository =>
+    defining(repository.owner, repository.name){ case (owner, name) =>
+      issues.html.create(
+        (getCollaborators(owner, name) ::: (if(getAccountByUserName(owner).get.isGroupAccount) Nil else List(owner))).sorted,
+          getMilestones(owner, name),
+          getLabels(owner, name),
+          hasWritePermission(owner, name, context.loginAccount),
+          repository)
+    }
+  })
+
+  post("/:owner/:repository/issues/new", issueCreateForm)(readableUsersOnly { (form, repository) =>
+    defining(repository.owner, repository.name){ case (owner, name) =>
+      val writable = hasWritePermission(owner, name, context.loginAccount)
+      val userName = context.loginAccount.get.userName
+
+      // insert issue
+      val issueId = createIssue(owner, name, userName, form.title, form.content,
+        if(writable) form.assignedUserName else None,
+        if(writable) form.milestoneId else None)
+
+      // insert labels
+      if(writable){
+        form.labelNames.map { value =>
+          val labels = getLabels(owner, name)
+          value.split(",").foreach { labelName =>
+            labels.find(_.labelName == labelName).map { label =>
+              registerIssueLabel(owner, name, issueId, label.labelId)
+            }
+          }
+        }
+      }
+
+      // record activity
+      recordCreateIssueActivity(owner, name, userName, issueId, form.title)
+
+      // extract references and create refer comment
+      getIssue(owner, name, issueId.toString).foreach { issue =>
+        createReferComment(owner, name, issue, form.title + " " + form.content.getOrElse(""))
+      }
+
+      // notifications
+      Notifier().toNotify(repository, issueId, form.content.getOrElse("")){
+        Notifier.msgIssue(s"${baseUrl}/${owner}/${name}/issues/${issueId}")
+      }
+
+      redirect(s"/${owner}/${name}/issues/${issueId}")
+    }
+  })
+
+  ajaxPost("/:owner/:repository/issues/edit/:id", issueEditForm)(readableUsersOnly { (form, repository) =>
+    defining(repository.owner, repository.name){ case (owner, name) =>
+      getIssue(owner, name, params("id")).map { issue =>
+        if(isEditable(owner, name, issue.openedUserName)){
+          // update issue
+          updateIssue(owner, name, issue.issueId, form.title, form.content)
+          // extract references and create refer comment
+          createReferComment(owner, name, issue, form.title + " " + form.content.getOrElse(""))
+
+          redirect(s"/${owner}/${name}/issues/_data/${issue.issueId}")
+        } else Unauthorized
+      } getOrElse NotFound
+    }
+  })
+
+  post("/:owner/:repository/issue_comments/new", commentForm)(readableUsersOnly { (form, repository) =>
+    handleComment(form.issueId, Some(form.content), repository)() map { case (issue, id) =>
+      redirect(s"/${repository.owner}/${repository.name}/${
+        if(issue.isPullRequest) "pull" else "issues"}/${form.issueId}#comment-${id}")
+    } getOrElse NotFound
+  })
+
+  post("/:owner/:repository/issue_comments/state", issueStateForm)(readableUsersOnly { (form, repository) =>
+    handleComment(form.issueId, form.content, repository)() map { case (issue, id) =>
+      redirect(s"/${repository.owner}/${repository.name}/${
+        if(issue.isPullRequest) "pull" else "issues"}/${form.issueId}#comment-${id}")
+    } getOrElse NotFound
+  })
+
+  ajaxPost("/:owner/:repository/issue_comments/edit/:id", commentForm)(readableUsersOnly { (form, repository) =>
+    defining(repository.owner, repository.name){ case (owner, name) =>
+      getComment(owner, name, params("id")).map { comment =>
+        if(isEditable(owner, name, comment.commentedUserName)){
+          updateComment(comment.commentId, form.content)
+          redirect(s"/${owner}/${name}/issue_comments/_data/${comment.commentId}")
+        } else Unauthorized
+      } getOrElse NotFound
+    }
+  })
+
+  ajaxPost("/:owner/:repository/issue_comments/delete/:id")(readableUsersOnly { repository =>
+    defining(repository.owner, repository.name){ case (owner, name) =>
+      getComment(owner, name, params("id")).map { comment =>
+        if(isEditable(owner, name, comment.commentedUserName)){
+          Ok(deleteComment(comment.commentId))
+        } else Unauthorized
+      } getOrElse NotFound
+    }
+  })
+
+  ajaxGet("/:owner/:repository/issues/_data/:id")(readableUsersOnly { repository =>
+    getIssue(repository.owner, repository.name, params("id")) map { x =>
+      if(isEditable(x.userName, x.repositoryName, x.openedUserName)){
+        params.get("dataType") collect {
+          case t if t == "html" => issues.html.editissue(
+              x.title, x.content, x.issueId, x.userName, x.repositoryName)
+        } getOrElse {
+          contentType = formats("json")
+          org.json4s.jackson.Serialization.write(
+              Map("title"   -> x.title,
+                  "content" -> view.Markdown.toHtml(x.content getOrElse "No description given.",
+                      repository, false, true)
+              ))
+        }
+      } else Unauthorized
+    } getOrElse NotFound
+  })
+
+  ajaxGet("/:owner/:repository/issue_comments/_data/:id")(readableUsersOnly { repository =>
+    getComment(repository.owner, repository.name, params("id")) map { x =>
+      if(isEditable(x.userName, x.repositoryName, x.commentedUserName)){
+        params.get("dataType") collect {
+          case t if t == "html" => issues.html.editcomment(
+              x.content, x.commentId, x.userName, x.repositoryName)
+        } getOrElse {
+          contentType = formats("json")
+          org.json4s.jackson.Serialization.write(
+              Map("content" -> view.Markdown.toHtml(x.content,
+                  repository, false, true)
+              ))
+        }
+      } else Unauthorized
+    } getOrElse NotFound
+  })
+
+  ajaxPost("/:owner/:repository/issues/:id/label/new")(collaboratorsOnly { repository =>
+    defining(params("id").toInt){ issueId =>
+      registerIssueLabel(repository.owner, repository.name, issueId, params("labelId").toInt)
+      issues.html.labellist(getIssueLabels(repository.owner, repository.name, issueId))
+    }
+  })
+
+  ajaxPost("/:owner/:repository/issues/:id/label/delete")(collaboratorsOnly { repository =>
+    defining(params("id").toInt){ issueId =>
+      deleteIssueLabel(repository.owner, repository.name, issueId, params("labelId").toInt)
+      issues.html.labellist(getIssueLabels(repository.owner, repository.name, issueId))
+    }
+  })
+
+  ajaxPost("/:owner/:repository/issues/:id/assign")(collaboratorsOnly { repository =>
+    updateAssignedUserName(repository.owner, repository.name, params("id").toInt, assignedUserName("assignedUserName"))
+    Ok("updated")
+  })
+
+  ajaxPost("/:owner/:repository/issues/:id/milestone")(collaboratorsOnly { repository =>
+    updateMilestoneId(repository.owner, repository.name, params("id").toInt, milestoneId("milestoneId"))
+    milestoneId("milestoneId").map { milestoneId =>
+      getMilestonesWithIssueCount(repository.owner, repository.name)
+          .find(_._1.milestoneId == milestoneId).map { case (_, openCount, closeCount) =>
+        issues.milestones.html.progress(openCount + closeCount, closeCount, false)
+      } getOrElse NotFound
+    } getOrElse Ok()
+  })
+
+  post("/:owner/:repository/issues/batchedit/state")(collaboratorsOnly { repository =>
+    defining(params.get("value")){ action =>
+      executeBatch(repository) {
+        handleComment(_, None, repository)( _ => action)
+      }
+    }
+  })
+
+  post("/:owner/:repository/issues/batchedit/label")(collaboratorsOnly { repository =>
+    params("value").toIntOpt.map{ labelId =>
+      executeBatch(repository) { issueId =>
+        getIssueLabel(repository.owner, repository.name, issueId, labelId) getOrElse {
+          registerIssueLabel(repository.owner, repository.name, issueId, labelId)
+        }
+      }
+    } getOrElse NotFound
+  })
+
+  post("/:owner/:repository/issues/batchedit/assign")(collaboratorsOnly { repository =>
+    defining(assignedUserName("value")){ value =>
+      executeBatch(repository) {
+        updateAssignedUserName(repository.owner, repository.name, _, value)
+      }
+    }
+  })
+
+  post("/:owner/:repository/issues/batchedit/milestone")(collaboratorsOnly { repository =>
+    defining(milestoneId("value")){ value =>
+      executeBatch(repository) {
+        updateMilestoneId(repository.owner, repository.name, _, value)
+      }
+    }
+  })
+
+  val assignedUserName = (key: String) => params.get(key) filter (_.trim != "")
+  val milestoneId: String => Option[Int] = (key: String) => params.get(key).flatMap(_.toIntOpt)
+
+  private def isEditable(owner: String, repository: String, author: String)(implicit context: app.Context): Boolean =
+    hasWritePermission(owner, repository, context.loginAccount) || author == context.loginAccount.get.userName
+
+  private def executeBatch(repository: RepositoryService.RepositoryInfo)(execute: Int => Unit) = {
+    params("checked").split(',') map(_.toInt) foreach execute
+    redirect(s"/${repository.owner}/${repository.name}/issues")
+  }
+
+  private def createReferComment(owner: String, repository: String, fromIssue: Issue, message: String) = {
+    StringUtil.extractIssueId(message).foreach { issueId =>
+      if(getIssue(owner, repository, issueId).isDefined){
+        createComment(owner, repository, context.loginAccount.get.userName, issueId.toInt,
+                      fromIssue.issueId + ":" + fromIssue.title, "refer")
+      }
+    }
+  }
+
+  /**
+   * @see [[https://github.com/takezoe/gitbucket/wiki/CommentAction]]
+   */
+  private def handleComment(issueId: Int, content: Option[String], repository: RepositoryService.RepositoryInfo)
+      (getAction: model.Issue => Option[String] =
+           p1 => params.get("action").filter(_ => isEditable(p1.userName, p1.repositoryName, p1.openedUserName))) = {
+
+    defining(repository.owner, repository.name){ case (owner, name) =>
+      val userName = context.loginAccount.get.userName
+
+      getIssue(owner, name, issueId.toString) map { issue =>
+        val (action, recordActivity) =
+          getAction(issue)
+            .collect {
+            case "close"  => true  -> (Some("close")  ->
+              Some(if(issue.isPullRequest) recordClosePullRequestActivity _ else recordCloseIssueActivity _))
+            case "reopen" => false -> (Some("reopen") ->
+              Some(recordReopenIssueActivity _))
+          }
+            .map { case (closed, t) =>
+            updateClosed(owner, name, issueId, closed)
+            t
+          }
+            .getOrElse(None -> None)
+
+        val commentId = content
+          .map       ( _ -> action.map( _ + "_comment" ).getOrElse("comment") )
+          .getOrElse ( action.get.capitalize -> action.get )
+        match {
+          case (content, action) => createComment(owner, name, userName, issueId, content, action)
+        }
+
+        // record activity
+        content foreach {
+          (if(issue.isPullRequest) recordCommentPullRequestActivity _ else recordCommentIssueActivity _)
+          (owner, name, userName, issueId, _)
+        }
+        recordActivity foreach ( _ (owner, name, userName, issueId, issue.title) )
+
+        // extract references and create refer comment
+        content.map { content =>
+          createReferComment(owner, name, issue, content)
+        }
+
+        // notifications
+        Notifier() match {
+          case f =>
+            content foreach {
+              f.toNotify(repository, issueId, _){
+                Notifier.msgComment(s"${baseUrl}/${owner}/${name}/${
+                  if(issue.isPullRequest) "pull" else "issues"}/${issueId}#comment-${commentId}")
+              }
+            }
+            action foreach {
+              f.toNotify(repository, issueId, _){
+                Notifier.msgStatus(s"${baseUrl}/${owner}/${name}/issues/${issueId}")
+              }
+            }
+        }
+
+        issue -> commentId
+      }
+    }
+  }
+
+  private def searchIssues(filter: String, repository: RepositoryService.RepositoryInfo) = {
+    defining(repository.owner, repository.name){ case (owner, repoName) =>
+      val filterUser = Map(filter -> params.getOrElse("userName", ""))
+      val page       = IssueSearchCondition.page(request)
+      val sessionKey = Keys.Session.Issues(owner, repoName)
+
+      // retrieve search condition
+      val condition = session.putAndGet(sessionKey,
+        if(request.hasQueryString) IssueSearchCondition(request)
+        else session.getAs[IssueSearchCondition](sessionKey).getOrElse(IssueSearchCondition())
+      )
+
+      issues.html.list(
+          searchIssue(condition, filterUser, false, (page - 1) * IssueLimit, IssueLimit, owner -> repoName),
+          page,
+          (getCollaborators(owner, repoName) :+ owner).sorted,
+          getMilestones(owner, repoName),
+          getLabels(owner, repoName),
+          countIssue(condition.copy(state = "open"), filterUser, false, owner -> repoName),
+          countIssue(condition.copy(state = "closed"), filterUser, false, owner -> repoName),
+          countIssue(condition, Map.empty, false, owner -> repoName),
+          context.loginAccount.map(x => countIssue(condition, Map("assigned" -> x.userName), false, owner -> repoName)),
+          context.loginAccount.map(x => countIssue(condition, Map("created_by" -> x.userName), false, owner -> repoName)),
+          countIssueGroupByLabels(owner, repoName, condition, filterUser),
+          condition,
+          filter,
+          repository,
+          hasWritePermission(owner, repoName, context.loginAccount))
+    }
+  }
+
+}
--- a/src/main/scala/app/LabelsController.scala
+++ b/src/main/scala/app/LabelsController.scala
@@ -2,67 +2,50 @@ package app

 import jp.sf.amateras.scalatra.forms._
 import service._
-import util.{ReferrerAuthenticator, CollaboratorsAuthenticator}
-import util.Implicits._
+import util.CollaboratorsAuthenticator
 import org.scalatra.i18n.Messages
-import org.scalatra.Ok

 class LabelsController extends LabelsControllerBase
-  with LabelsService with IssuesService with RepositoryService with AccountService
-with ReferrerAuthenticator with CollaboratorsAuthenticator
+  with LabelsService with RepositoryService with AccountService with CollaboratorsAuthenticator

 trait LabelsControllerBase extends ControllerBase {
-  self: LabelsService with IssuesService with RepositoryService
-    with ReferrerAuthenticator with CollaboratorsAuthenticator =>
+  self: LabelsService with RepositoryService with CollaboratorsAuthenticator =>

  case class LabelForm(labelName: String, color: String)

-  val labelForm = mapping(
-    "labelName"  -> trim(label("Label name", text(required, labelName, maxlength(100)))),
-    "labelColor" -> trim(label("Color",      text(required, color)))
+  val newForm = mapping(
+    "newLabelName" -> trim(label("Label name", text(required, labelName, maxlength(100)))),
+    "newColor"     -> trim(label("Color",      text(required, color)))
  )(LabelForm.apply)

-  get("/:owner/:repository/issues/labels")(referrersOnly { repository =>
-    issues.labels.html.list(
-      getLabels(repository.owner, repository.name),
-      countIssueGroupByLabels(repository.owner, repository.name, IssuesService.IssueSearchCondition()),
-      repository,
-      hasWritePermission(repository.owner, repository.name, context.loginAccount))
+  val editForm = mapping(
+    "editLabelName" -> trim(label("Label name", text(required, labelName, maxlength(100)))),
+    "editColor"     -> trim(label("Color",      text(required, color)))
+  )(LabelForm.apply)
+
+  post("/:owner/:repository/issues/label/new", newForm)(collaboratorsOnly { (form, repository) =>
+    createLabel(repository.owner, repository.name, form.labelName, form.color.substring(1))
+    redirect(s"/${repository.owner}/${repository.name}/issues")
  })

-  ajaxGet("/:owner/:repository/issues/labels/new")(collaboratorsOnly { repository =>
-    issues.labels.html.edit(None, repository)
+  ajaxGet("/:owner/:repository/issues/label/edit")(collaboratorsOnly { repository =>
+    issues.labels.html.editlist(getLabels(repository.owner, repository.name), repository)
  })

-  ajaxPost("/:owner/:repository/issues/labels/new", labelForm)(collaboratorsOnly { (form, repository) =>
-    val labelId = createLabel(repository.owner, repository.name, form.labelName, form.color.substring(1))
-    issues.labels.html.label(
-      getLabel(repository.owner, repository.name, labelId).get,
-      // TODO futility
-      countIssueGroupByLabels(repository.owner, repository.name, IssuesService.IssueSearchCondition()),
-      repository,
-      hasWritePermission(repository.owner, repository.name, context.loginAccount))
-  })
-
-  ajaxGet("/:owner/:repository/issues/labels/:labelId/edit")(collaboratorsOnly { repository =>
+  ajaxGet("/:owner/:repository/issues/label/:labelId/edit")(collaboratorsOnly { repository =>
    getLabel(repository.owner, repository.name, params("labelId").toInt).map { label =>
      issues.labels.html.edit(Some(label), repository)
    } getOrElse NotFound()
  })

-  ajaxPost("/:owner/:repository/issues/labels/:labelId/edit", labelForm)(collaboratorsOnly { (form, repository) =>
+  ajaxPost("/:owner/:repository/issues/label/:labelId/edit", editForm)(collaboratorsOnly { (form, repository) =>
    updateLabel(repository.owner, repository.name, params("labelId").toInt, form.labelName, form.color.substring(1))
-    issues.labels.html.label(
-      getLabel(repository.owner, repository.name, params("labelId").toInt).get,
-      // TODO futility
-      countIssueGroupByLabels(repository.owner, repository.name, IssuesService.IssueSearchCondition()),
-      repository,
-      hasWritePermission(repository.owner, repository.name, context.loginAccount))
+    issues.labels.html.editlist(getLabels(repository.owner, repository.name), repository)
  })

-  ajaxPost("/:owner/:repository/issues/labels/:labelId/delete")(collaboratorsOnly { repository =>
+  ajaxGet("/:owner/:repository/issues/label/:labelId/delete")(collaboratorsOnly { repository =>
    deleteLabel(repository.owner, repository.name, params("labelId").toInt)
-    Ok()
+    issues.labels.html.editlist(getLabels(repository.owner, repository.name), repository)
  })

  /**
@@ -70,7 +53,7 @@ trait LabelsControllerBase extends ControllerBase {
   */
  private def labelName: Constraint = new Constraint(){
    override def validate(name: String, value: String, messages: Messages): Option[String] =
-      if(value.contains(',')){
+      if(!value.matches("^[^,]+$")){
        Some(s"${name} contains invalid character.")
      } else if(value.startsWith("_") || value.startsWith("-")){
        Some(s"${name} starts with invalid character.")
@@ -79,4 +62,4 @@ trait LabelsControllerBase extends ControllerBase {
      }
  }

-}
+}
--- a/src/main/scala/app/PullRequestsController.scala
+++ b/src/main/scala/app/PullRequestsController.scala
@@ -13,6 +13,7 @@ import org.eclipse.jgit.lib.{ObjectId, CommitBuilder, PersonIdent}
 import service.IssuesService._
 import service.PullRequestService._
 import util.JGitUtil.DiffInfo
+import service.RepositoryService.RepositoryTreeNode
 import util.JGitUtil.CommitInfo
 import org.slf4j.LoggerFactory
 import org.eclipse.jgit.merge.MergeStrategy
@@ -62,6 +63,10 @@ trait PullRequestsControllerBase extends ControllerBase {
    searchPullRequests(None, repository)
  })

+  get("/:owner/:repository/pulls/:userName")(referrersOnly { repository =>
+    searchPullRequests(Some(params("userName")), repository)
+  })
+
  get("/:owner/:repository/pull/:id")(referrersOnly { repository =>
    params("id").toIntOpt.flatMap{ issueId =>
      val owner = repository.owner
@@ -74,7 +79,7 @@ trait PullRequestsControllerBase extends ControllerBase {
          pulls.html.pullreq(
            issue, pullreq,
            getComments(owner, name, issueId),
-            getIssueLabels(owner, name, issueId),
+            getIssueLabels(owner, name, issueId.toInt),
            (getCollaborators(owner, name) ::: (if(getAccountByUserName(owner).get.isGroupAccount) Nil else List(owner))).sorted,
            getMilestonesWithIssueCount(owner, name),
            getLabels(owner, name),
@@ -95,18 +100,18 @@ trait PullRequestsControllerBase extends ControllerBase {
        pulls.html.mergeguide(
          checkConflictInPullRequest(owner, name, pullreq.branch, pullreq.requestUserName, name, pullreq.requestBranch, issueId),
          pullreq,
-          s"${context.baseUrl}/git/${pullreq.requestUserName}/${pullreq.requestRepositoryName}.git")
+          s"${baseUrl}/git/${pullreq.requestUserName}/${pullreq.requestRepositoryName}.git")
      }
    } getOrElse NotFound
  })

-  get("/:owner/:repository/pull/:id/delete/*")(collaboratorsOnly { repository =>
+  get("/:owner/:repository/pull/:id/delete/:branchName")(collaboratorsOnly { repository =>
    params("id").toIntOpt.map { issueId =>
-      val branchName = multiParams("splat").head
+      val branchName = params("branchName")
      val userName   = context.loginAccount.get.userName
      if(repository.repository.defaultBranch != branchName){
        using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
-          git.branchDelete().setForce(true).setBranchNames(branchName).call()
+          git.branchDelete().setBranchNames(branchName).call()
          recordDeleteBranchActivity(repository.owner, repository.name, userName, branchName)
        }
      }
@@ -119,7 +124,7 @@ trait PullRequestsControllerBase extends ControllerBase {
    params("id").toIntOpt.flatMap { issueId =>
      val owner = repository.owner
      val name  = repository.name
-      LockUtil.lock(s"${owner}/${name}"){
+      LockUtil.lock(s"${owner}/${name}/merge"){
        getPullRequest(owner, name, issueId).map { case (issue, pullreq) =>
          using(Git.open(getRepositoryDir(owner, name))) { git =>
            // mark issue as merged and close.
@@ -152,7 +157,7 @@ trait PullRequestsControllerBase extends ControllerBase {
            val personIdent = new PersonIdent(loginAccount.fullName, loginAccount.mailAddress)
            mergeCommit.setAuthor(personIdent)
            mergeCommit.setCommitter(personIdent)
-            mergeCommit.setMessage(s"Merge pull request #${issueId} from ${pullreq.requestUserName}/${pullreq.requestBranch}\n\n" +
+            mergeCommit.setMessage(s"Merge pull request #${issueId} from ${pullreq.requestUserName}/${pullreq.requestRepositoryName}\n\n" +
                                   form.message)

            // insertObject and got mergeCommit Object Id
@@ -172,18 +177,12 @@ trait PullRequestsControllerBase extends ControllerBase {
            val (commits, _) = getRequestCompareInfo(owner, name, pullreq.commitIdFrom,
              pullreq.requestUserName, pullreq.requestRepositoryName, pullreq.commitIdTo)

-            // close issue by content of pull request
-            val defaultBranch = getRepository(owner, name, context.baseUrl).get.repository.defaultBranch
-            if(pullreq.branch == defaultBranch){
-              commits.flatten.foreach { commit =>
-                closeIssuesFromMessage(commit.fullMessage, loginAccount.userName, owner, name)
+            commits.flatten.foreach { commit =>
+              if(!existsCommitId(owner, name, commit.id)){
+                insertCommitId(owner, name, commit.id)
              }
-              issue.content match {
-                case Some(content) => closeIssuesFromMessage(content, loginAccount.userName, owner, name)
-                case _ =>
-              }
-              closeIssuesFromMessage(form.message, loginAccount.userName, owner, name)
            }
+
            // call web hook
            getWebHookURLs(owner, name) match {
              case webHookURLs if(webHookURLs.nonEmpty) =>
@@ -196,7 +195,7 @@ trait PullRequestsControllerBase extends ControllerBase {

            // notifications
            Notifier().toNotify(repository, issueId, "merge"){
-              Notifier.msgStatus(s"${context.baseUrl}/${owner}/${name}/pull/${issueId}")
+              Notifier.msgStatus(s"${baseUrl}/${owner}/${name}/pull/${issueId}")
            }

            redirect(s"/${owner}/${name}/pull/${issueId}")
@@ -209,7 +208,7 @@ trait PullRequestsControllerBase extends ControllerBase {
  get("/:owner/:repository/compare")(referrersOnly { forkedRepository =>
    (forkedRepository.repository.originUserName, forkedRepository.repository.originRepositoryName) match {
      case (Some(originUserName), Some(originRepositoryName)) => {
-        getRepository(originUserName, originRepositoryName, context.baseUrl).map { originRepository =>
+        getRepository(originUserName, originRepositoryName, baseUrl).map { originRepository =>
          using(
            Git.open(getRepositoryDir(originUserName, originRepositoryName)),
            Git.open(getRepositoryDir(forkedRepository.owner, forkedRepository.name))
@@ -246,7 +245,7 @@ trait PullRequestsControllerBase extends ControllerBase {
          getForkedRepositories(forkedRepository.owner, forkedRepository.name).find(_._1 == originOwner).map(_._2)
        }
      };
-      originRepository <- getRepository(originOwner, originRepositoryName, context.baseUrl)
+      originRepository <- getRepository(originOwner, originRepositoryName, baseUrl)
    ) yield {
      using(
        Git.open(getRepositoryDir(originRepository.owner, originRepository.name)),
@@ -255,7 +254,7 @@ trait PullRequestsControllerBase extends ControllerBase {
        val originBranch = JGitUtil.getDefaultBranch(oldGit, originRepository, tmpOriginBranch).get._2
        val forkedBranch = JGitUtil.getDefaultBranch(newGit, forkedRepository, tmpForkedBranch).get._2

-        val forkedId = JGitUtil.getForkedCommitId(oldGit, newGit,
+        val forkedId = getForkedCommitId(oldGit, newGit,
          originRepository.owner, originRepository.name, originBranch,
          forkedRepository.owner, forkedRepository.name, forkedBranch)

@@ -298,7 +297,7 @@ trait PullRequestsControllerBase extends ControllerBase {
          getForkedRepositories(forkedRepository.owner, forkedRepository.name).find(_._1 == originOwner).map(_._2)
        }
      };
-      originRepository <- getRepository(originOwner, originRepositoryName, context.baseUrl)
+      originRepository <- getRepository(originOwner, originRepositoryName, baseUrl)
    ) yield {
      using(
        Git.open(getRepositoryDir(originRepository.owner, originRepository.name)),
@@ -351,7 +350,7 @@ trait PullRequestsControllerBase extends ControllerBase {

    // notifications
    Notifier().toNotify(repository, issueId, form.content.getOrElse("")){
-      Notifier.msgPullRequest(s"${context.baseUrl}/${repository.owner}/${repository.name}/pull/${issueId}")
+      Notifier.msgPullRequest(s"${baseUrl}/${repository.owner}/${repository.name}/pull/${issueId}")
    }

    redirect(s"/${repository.owner}/${repository.name}/pull/${issueId}")
@@ -362,7 +361,7 @@ trait PullRequestsControllerBase extends ControllerBase {
   */
  private def checkConflict(userName: String, repositoryName: String, branch: String,
                            requestUserName: String, requestRepositoryName: String, requestBranch: String): Boolean = {
-    LockUtil.lock(s"${userName}/${repositoryName}"){
+    LockUtil.lock(s"${userName}/${repositoryName}/merge-check"){
      using(Git.open(getRepositoryDir(requestUserName, requestRepositoryName))) { git =>
        val remoteRefName = s"refs/heads/${branch}"
        val tmpRefName = s"refs/merge-check/${userName}/${branch}"
@@ -398,7 +397,7 @@ trait PullRequestsControllerBase extends ControllerBase {
  private def checkConflictInPullRequest(userName: String, repositoryName: String, branch: String,
                                         requestUserName: String, requestRepositoryName: String, requestBranch: String,
                                         issueId: Int): Boolean = {
-    LockUtil.lock(s"${userName}/${repositoryName}") {
+    LockUtil.lock(s"${userName}/${repositoryName}/merge") {
      using(Git.open(getRepositoryDir(userName, repositoryName))) { git =>
        // merge
        val merger = MergeStrategy.RECURSIVE.newMerger(git.getRepository, true)
@@ -427,8 +426,24 @@ trait PullRequestsControllerBase extends ControllerBase {
      (defaultOwner, value)
    }

+  /**
+   * Extracts all repository names from [[service.RepositoryService.RepositoryTreeNode]] as flat list.
+   */
+  private def getRepositoryNames(node: RepositoryTreeNode): List[String] =
+    node.owner :: node.children.map { child => getRepositoryNames(child) }.flatten
+
+  /**
+   * Returns the identifier of the root commit (or latest merge commit) of the specified branch.
+   */
+  private def getForkedCommitId(oldGit: Git, newGit: Git, userName: String, repositoryName: String, branch: String,
+      requestUserName: String, requestRepositoryName: String, requestBranch: String): String =
+    JGitUtil.getCommitLogs(newGit, requestBranch, true){ commit =>
+      existsCommitId(userName, repositoryName, commit.getName) && JGitUtil.getBranchesOfCommit(oldGit, commit.getName).contains(branch)
+    }.head.id
+
  private def getRequestCompareInfo(userName: String, repositoryName: String, branch: String,
-      requestUserName: String, requestRepositoryName: String, requestCommitId: String): (Seq[Seq[CommitInfo]], Seq[DiffInfo]) =
+      requestUserName: String, requestRepositoryName: String, requestCommitId: String): (Seq[Seq[CommitInfo]], Seq[DiffInfo]) = {
+
    using(
      Git.open(getRepositoryDir(userName, repositoryName)),
      Git.open(getRepositoryDir(requestUserName, requestRepositoryName))
@@ -439,16 +454,18 @@ trait PullRequestsControllerBase extends ControllerBase {
      val commits = newGit.log.addRange(oldId, newId).call.iterator.asScala.map { revCommit =>
        new CommitInfo(revCommit)
      }.toList.splitWith { (commit1, commit2) =>
-        view.helpers.date(commit1.commitTime) == view.helpers.date(commit2.commitTime)
+        view.helpers.date(commit1.time) == view.helpers.date(commit2.time)
      }

      val diffs = JGitUtil.getDiffs(newGit, oldId.getName, newId.getName, true)

      (commits, diffs)
    }
+  }

  private def searchPullRequests(userName: Option[String], repository: RepositoryService.RepositoryInfo) =
    defining(repository.owner, repository.name){ case (owner, repoName) =>
+      val filterUser = userName.map { x => Map("created_by" -> x) } getOrElse Map("all" -> "")
      val page       = IssueSearchCondition.page(request)
      val sessionKey = Keys.Session.Pulls(owner, repoName)

@@ -458,15 +475,14 @@ trait PullRequestsControllerBase extends ControllerBase {
        else session.getAs[IssueSearchCondition](sessionKey).getOrElse(IssueSearchCondition())
      )

-      issues.html.list(
-        "pulls",
-        searchIssue(condition, true, (page - 1) * PullRequestLimit, PullRequestLimit, owner -> repoName),
+      pulls.html.list(
+        searchIssue(condition, filterUser, true, (page - 1) * PullRequestLimit, PullRequestLimit, owner -> repoName),
+        getPullRequestCountGroupByUser(condition.state == "closed", owner, Some(repoName)),
+        userName,
        page,
-        (getCollaborators(owner, repoName) :+ owner).sorted,
-        getMilestones(owner, repoName),
-        getLabels(owner, repoName),
-        countIssue(condition.copy(state = "open"  ), true, owner -> repoName),
-        countIssue(condition.copy(state = "closed"), true, owner -> repoName),
+        countIssue(condition.copy(state = "open"  ), filterUser, true, owner -> repoName),
+        countIssue(condition.copy(state = "closed"), filterUser, true, owner -> repoName),
+        countIssue(condition, Map.empty, true, owner -> repoName),
        condition,
        repository,
        hasWritePermission(owner, repoName, context.loginAccount))
--- a/src/main/scala/app/RepositorySettingsController.scala
+++ b/src/main/scala/app/RepositorySettingsController.scala
@@ -1,274 +1,266 @@
-package app
-
-import service._
-import util.Directory._
-import util.Implicits._
-import util.{LockUtil, UsersAuthenticator, OwnerAuthenticator}
-import jp.sf.amateras.scalatra.forms._
-import org.apache.commons.io.FileUtils
-import org.scalatra.i18n.Messages
-import service.WebHookService.WebHookPayload
-import util.JGitUtil.CommitInfo
-import util.ControlUtil._
-import org.eclipse.jgit.api.Git
-import org.eclipse.jgit.lib.Constants
-
-class RepositorySettingsController extends RepositorySettingsControllerBase
-  with RepositoryService with AccountService with WebHookService
-  with OwnerAuthenticator with UsersAuthenticator
-
-trait RepositorySettingsControllerBase extends ControllerBase {
-  self: RepositoryService with AccountService with WebHookService
-    with OwnerAuthenticator with UsersAuthenticator =>
-
-  // for repository options
-  case class OptionsForm(repositoryName: String, description: Option[String], defaultBranch: String, isPrivate: Boolean)
-  
-  val optionsForm = mapping(
-    "repositoryName" -> trim(label("Description"    , text(required, maxlength(40), identifier, renameRepositoryName))),
-    "description"    -> trim(label("Description"    , optional(text()))),
-    "defaultBranch"  -> trim(label("Default Branch" , text(required, maxlength(100)))),
-    "isPrivate"      -> trim(label("Repository Type", boolean()))
-  )(OptionsForm.apply)
-
-  // for collaborator addition
-  case class CollaboratorForm(userName: String)
-
-  val collaboratorForm = mapping(
-    "userName" -> trim(label("Username", text(required, collaborator)))
-  )(CollaboratorForm.apply)
-
-  // for web hook url addition
-  case class WebHookForm(url: String)
-
-  val webHookForm = mapping(
-    "url" -> trim(label("url", text(required, webHook)))
-  )(WebHookForm.apply)
-
-  // for transfer ownership
-  case class TransferOwnerShipForm(newOwner: String)
-
-  val transferForm = mapping(
-    "newOwner" -> trim(label("New owner", text(required, transferUser)))
-  )(TransferOwnerShipForm.apply)
-
-  /**
-   * Redirect to the Options page.
-   */
-  get("/:owner/:repository/settings")(ownerOnly { repository =>
-    redirect(s"/${repository.owner}/${repository.name}/settings/options")
-  })
-  
-  /**
-   * Display the Options page.
-   */
-  get("/:owner/:repository/settings/options")(ownerOnly {
-    settings.html.options(_, flash.get("info"))
-  })
-  
-  /**
-   * Save the repository options.
-   */
-  post("/:owner/:repository/settings/options", optionsForm)(ownerOnly { (form, repository) =>
-    val defaultBranch = if(repository.branchList.isEmpty) "master" else form.defaultBranch
-    saveRepositoryOptions(
-      repository.owner,
-      repository.name,
-      form.description,
-      defaultBranch,
-      repository.repository.parentUserName.map { _ =>
-        repository.repository.isPrivate
-      } getOrElse form.isPrivate
-    )
-    // Change repository name
-    if(repository.name != form.repositoryName){
-      // Update database
-      renameRepository(repository.owner, repository.name, repository.owner, form.repositoryName)
-      // Move git repository
-      defining(getRepositoryDir(repository.owner, repository.name)){ dir =>
-        FileUtils.moveDirectory(dir, getRepositoryDir(repository.owner, form.repositoryName))
-      }
-      // Move wiki repository
-      defining(getWikiRepositoryDir(repository.owner, repository.name)){ dir =>
-        FileUtils.moveDirectory(dir, getWikiRepositoryDir(repository.owner, form.repositoryName))
-      }
-    }
-    // Change repository HEAD
-    using(Git.open(getRepositoryDir(repository.owner, repository.name))) { git =>
-      git.getRepository.updateRef(Constants.HEAD, true).link(Constants.R_HEADS + defaultBranch)
-    }
-    flash += "info" -> "Repository settings has been updated."
-    redirect(s"/${repository.owner}/${form.repositoryName}/settings/options")
-  })
-  
-  /**
-   * Display the Collaborators page.
-   */
-  get("/:owner/:repository/settings/collaborators")(ownerOnly { repository =>
-    settings.html.collaborators(
-      getCollaborators(repository.owner, repository.name),
-      getAccountByUserName(repository.owner).get.isGroupAccount,
-      repository)
-  })
-
-  /**
-   * Add the collaborator.
-   */
-  post("/:owner/:repository/settings/collaborators/add", collaboratorForm)(ownerOnly { (form, repository) =>
-    if(!getAccountByUserName(repository.owner).get.isGroupAccount){
-      addCollaborator(repository.owner, repository.name, form.userName)
-    }
-    redirect(s"/${repository.owner}/${repository.name}/settings/collaborators")
-  })
-
-  /**
-   * Add the collaborator.
-   */
-  get("/:owner/:repository/settings/collaborators/remove")(ownerOnly { repository =>
-    if(!getAccountByUserName(repository.owner).get.isGroupAccount){
-      removeCollaborator(repository.owner, repository.name, params("name"))
-    }
-    redirect(s"/${repository.owner}/${repository.name}/settings/collaborators")
-  })
-
-  /**
-   * Display the web hook page.
-   */
-  get("/:owner/:repository/settings/hooks")(ownerOnly { repository =>
-    settings.html.hooks(getWebHookURLs(repository.owner, repository.name), flash.get("url"), repository, flash.get("info"))
-  })
-
-  /**
-   * Add the web hook URL.
-   */
-  post("/:owner/:repository/settings/hooks/add", webHookForm)(ownerOnly { (form, repository) =>
-    addWebHookURL(repository.owner, repository.name, form.url)
-    redirect(s"/${repository.owner}/${repository.name}/settings/hooks")
-  })
-
-  /**
-   * Delete the web hook URL.
-   */
-  get("/:owner/:repository/settings/hooks/delete")(ownerOnly { repository =>
-    deleteWebHookURL(repository.owner, repository.name, params("url"))
-    redirect(s"/${repository.owner}/${repository.name}/settings/hooks")
-  })
-
-  /**
-   * Send the test request to registered web hook URLs.
-   */
-  post("/:owner/:repository/settings/hooks/test", webHookForm)(ownerOnly { (form, repository) =>
-    using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
-      import scala.collection.JavaConverters._
-      val commits = git.log
-        .add(git.getRepository.resolve(repository.repository.defaultBranch))
-        .setMaxCount(3)
-        .call.iterator.asScala.map(new CommitInfo(_))
-
-      getAccountByUserName(repository.owner).foreach { ownerAccount =>
-        callWebHook(repository.owner, repository.name,
-          List(model.WebHook(repository.owner, repository.name, form.url)),
-          WebHookPayload(git, ownerAccount, "refs/heads/" + repository.repository.defaultBranch, repository, commits.toList, ownerAccount)
-        )
-      }
-      flash += "url"  -> form.url
-      flash += "info" -> "Test payload deployed!"
-    }
-    redirect(s"/${repository.owner}/${repository.name}/settings/hooks")
-  })
-
-  /**
-   * Display the danger zone.
-   */
-  get("/:owner/:repository/settings/danger")(ownerOnly {
-    settings.html.danger(_)
-  })
-
-  /**
-   * Transfer repository ownership.
-   */
-  post("/:owner/:repository/settings/transfer", transferForm)(ownerOnly { (form, repository) =>
-    // Change repository owner
-    if(repository.owner != form.newOwner){
-      LockUtil.lock(s"${repository.owner}/${repository.name}"){
-        // Update database
-        renameRepository(repository.owner, repository.name, form.newOwner, repository.name)
-        // Move git repository
-        defining(getRepositoryDir(repository.owner, repository.name)){ dir =>
-          FileUtils.moveDirectory(dir, getRepositoryDir(form.newOwner, repository.name))
-        }
-        // Move wiki repository
-        defining(getWikiRepositoryDir(repository.owner, repository.name)){ dir =>
-          FileUtils.moveDirectory(dir, getWikiRepositoryDir(form.newOwner, repository.name))
-        }
-      }
-    }
-    redirect(s"/${form.newOwner}/${repository.name}")
-  })
-
-  /**
-   * Delete the repository.
-   */
-  post("/:owner/:repository/settings/delete")(ownerOnly { repository =>
-    LockUtil.lock(s"${repository.owner}/${repository.name}"){
-      deleteRepository(repository.owner, repository.name)
-
-      FileUtils.deleteDirectory(getRepositoryDir(repository.owner, repository.name))
-      FileUtils.deleteDirectory(getWikiRepositoryDir(repository.owner, repository.name))
-      FileUtils.deleteDirectory(getTemporaryDir(repository.owner, repository.name))
-    }
-    redirect(s"/${repository.owner}")
-  })
-
-  /**
-   * Provides duplication check for web hook url.
-   */
-  private def webHook: Constraint = new Constraint(){
-    override def validate(name: String, value: String, messages: Messages): Option[String] =
-      getWebHookURLs(params("owner"), params("repository")).map(_.url).find(_ == value).map(_ => "URL had been registered already.")
-  }
-
-  /**
-   * Provides Constraint to validate the collaborator name.
-   */
-  private def collaborator: Constraint = new Constraint(){
-    override def validate(name: String, value: String, messages: Messages): Option[String] =
-      getAccountByUserName(value) match {
-        case None => Some("User does not exist.")
-        case Some(x) if(x.isGroupAccount)
-                  => Some("User does not exist.")
-        case Some(x) if(x.userName == params("owner") || getCollaborators(params("owner"), params("repository")).contains(x.userName))
-                  => Some("User can access this repository already.")
-        case _    => None
-      }
-  }
-
-  /**
-   * Duplicate check for the rename repository name.
-   */
-  private def renameRepositoryName: Constraint = new Constraint(){
-    override def validate(name: String, value: String, params: Map[String, String], messages: Messages): Option[String] =
-      params.get("repository").filter(_ != value).flatMap { _ =>
-        params.get("owner").flatMap { userName =>
-          getRepositoryNamesOfUser(userName).find(_ == value).map(_ => "Repository already exists.")
-        }
-      }
-  }
-
-  /**
-   * Provides Constraint to validate the repository transfer user.
-   */
-  private def transferUser: Constraint = new Constraint(){
-    override def validate(name: String, value: String, messages: Messages): Option[String] =
-      getAccountByUserName(value) match {
-        case None    => Some("User does not exist.")
-        case Some(x) => if(x.userName == params("owner")){
-          Some("This is current repository owner.")
-        } else {
-          params.get("repository").flatMap { repositoryName =>
-            getRepositoryNamesOfUser(x.userName).find(_ == repositoryName).map{ _ => "User already has same repository." }
-          }
-        }
-      }
-  }
+package app
+
+import service._
+import util.Directory._
+import util.{UsersAuthenticator, OwnerAuthenticator}
+import jp.sf.amateras.scalatra.forms._
+import org.apache.commons.io.FileUtils
+import org.scalatra.i18n.Messages
+import service.WebHookService.WebHookPayload
+import util.JGitUtil.CommitInfo
+import util.ControlUtil._
+import org.eclipse.jgit.api.Git
+
+class RepositorySettingsController extends RepositorySettingsControllerBase
+  with RepositoryService with AccountService with WebHookService
+  with OwnerAuthenticator with UsersAuthenticator
+
+trait RepositorySettingsControllerBase extends ControllerBase {
+  self: RepositoryService with AccountService with WebHookService
+    with OwnerAuthenticator with UsersAuthenticator =>
+
+  // for repository options
+  case class OptionsForm(repositoryName: String, description: Option[String], defaultBranch: String, isPrivate: Boolean)
+  
+  val optionsForm = mapping(
+    "repositoryName" -> trim(label("Description"    , text(required, maxlength(40), identifier, renameRepositoryName))),
+    "description"    -> trim(label("Description"    , optional(text()))),
+    "defaultBranch"  -> trim(label("Default Branch" , text(required, maxlength(100)))),
+    "isPrivate"      -> trim(label("Repository Type", boolean()))
+  )(OptionsForm.apply)
+
+  // for collaborator addition
+  case class CollaboratorForm(userName: String)
+
+  val collaboratorForm = mapping(
+    "userName" -> trim(label("Username", text(required, collaborator)))
+  )(CollaboratorForm.apply)
+
+  // for web hook url addition
+  case class WebHookForm(url: String)
+
+  val webHookForm = mapping(
+    "url" -> trim(label("url", text(required, webHook)))
+  )(WebHookForm.apply)
+
+  // for transfer ownership
+  case class TransferOwnerShipForm(newOwner: String)
+
+  val transferForm = mapping(
+    "newOwner" -> trim(label("New owner", text(required, transferUser)))
+  )(TransferOwnerShipForm.apply)
+
+  /**
+   * Redirect to the Options page.
+   */
+  get("/:owner/:repository/settings")(ownerOnly { repository =>
+    redirect(s"/${repository.owner}/${repository.name}/settings/options")
+  })
+  
+  /**
+   * Display the Options page.
+   */
+  get("/:owner/:repository/settings/options")(ownerOnly {
+    settings.html.options(_, flash.get("info"))
+  })
+  
+  /**
+   * Save the repository options.
+   */
+  post("/:owner/:repository/settings/options", optionsForm)(ownerOnly { (form, repository) =>
+    saveRepositoryOptions(
+      repository.owner,
+      repository.name,
+      form.description,
+      form.defaultBranch,
+      repository.repository.parentUserName.map { _ =>
+        repository.repository.isPrivate
+      } getOrElse form.isPrivate
+    )
+    // Change repository name
+    if(repository.name != form.repositoryName){
+      // Update database
+      renameRepository(repository.owner, repository.name, repository.owner, form.repositoryName)
+      // Move git repository
+      defining(getRepositoryDir(repository.owner, repository.name)){ dir =>
+        FileUtils.moveDirectory(dir, getRepositoryDir(repository.owner, form.repositoryName))
+      }
+      // Move wiki repository
+      defining(getWikiRepositoryDir(repository.owner, repository.name)){ dir =>
+        FileUtils.moveDirectory(dir, getWikiRepositoryDir(repository.owner, form.repositoryName))
+      }
+    }
+    flash += "info" -> "Repository settings has been updated."
+    redirect(s"/${repository.owner}/${form.repositoryName}/settings/options")
+  })
+  
+  /**
+   * Display the Collaborators page.
+   */
+  get("/:owner/:repository/settings/collaborators")(ownerOnly { repository =>
+    settings.html.collaborators(
+      getCollaborators(repository.owner, repository.name),
+      getAccountByUserName(repository.owner).get.isGroupAccount,
+      repository)
+  })
+
+  /**
+   * Add the collaborator.
+   */
+  post("/:owner/:repository/settings/collaborators/add", collaboratorForm)(ownerOnly { (form, repository) =>
+    if(!getAccountByUserName(repository.owner).get.isGroupAccount){
+      addCollaborator(repository.owner, repository.name, form.userName)
+    }
+    redirect(s"/${repository.owner}/${repository.name}/settings/collaborators")
+  })
+
+  /**
+   * Add the collaborator.
+   */
+  get("/:owner/:repository/settings/collaborators/remove")(ownerOnly { repository =>
+    if(!getAccountByUserName(repository.owner).get.isGroupAccount){
+      removeCollaborator(repository.owner, repository.name, params("name"))
+    }
+    redirect(s"/${repository.owner}/${repository.name}/settings/collaborators")
+  })
+
+  /**
+   * Display the web hook page.
+   */
+  get("/:owner/:repository/settings/hooks")(ownerOnly { repository =>
+    settings.html.hooks(getWebHookURLs(repository.owner, repository.name), repository, flash.get("info"))
+  })
+
+  /**
+   * Add the web hook URL.
+   */
+  post("/:owner/:repository/settings/hooks/add", webHookForm)(ownerOnly { (form, repository) =>
+    addWebHookURL(repository.owner, repository.name, form.url)
+    redirect(s"/${repository.owner}/${repository.name}/settings/hooks")
+  })
+
+  /**
+   * Delete the web hook URL.
+   */
+  get("/:owner/:repository/settings/hooks/delete")(ownerOnly { repository =>
+    deleteWebHookURL(repository.owner, repository.name, params("url"))
+    redirect(s"/${repository.owner}/${repository.name}/settings/hooks")
+  })
+
+  /**
+   * Send the test request to registered web hook URLs.
+   */
+  get("/:owner/:repository/settings/hooks/test")(ownerOnly { repository =>
+    using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
+      import scala.collection.JavaConverters._
+      val commits = git.log
+        .add(git.getRepository.resolve(repository.repository.defaultBranch))
+        .setMaxCount(3)
+        .call.iterator.asScala.map(new CommitInfo(_))
+
+      getWebHookURLs(repository.owner, repository.name) match {
+        case webHookURLs if(webHookURLs.nonEmpty) =>
+          for(ownerAccount <- getAccountByUserName(repository.owner)){
+            callWebHook(repository.owner, repository.name, webHookURLs,
+              WebHookPayload(git, ownerAccount, "refs/heads/" + repository.repository.defaultBranch, repository, commits.toList, ownerAccount))
+          }
+        case _ =>
+      }
+
+      flash += "info" -> "Test payload deployed!"
+    }
+    redirect(s"/${repository.owner}/${repository.name}/settings/hooks")
+  })
+
+  /**
+   * Display the danger zone.
+   */
+  get("/:owner/:repository/settings/danger")(ownerOnly {
+    settings.html.danger(_)
+  })
+
+  /**
+   * Transfer repository ownership.
+   */
+  post("/:owner/:repository/settings/transfer", transferForm)(ownerOnly { (form, repository) =>
+    // Change repository owner
+    if(repository.owner != form.newOwner){
+      // Update database
+      renameRepository(repository.owner, repository.name, form.newOwner, repository.name)
+      // Move git repository
+      defining(getRepositoryDir(repository.owner, repository.name)){ dir =>
+        FileUtils.moveDirectory(dir, getRepositoryDir(form.newOwner, repository.name))
+      }
+      // Move wiki repository
+      defining(getWikiRepositoryDir(repository.owner, repository.name)){ dir =>
+        FileUtils.moveDirectory(dir, getWikiRepositoryDir(form.newOwner, repository.name))
+      }
+    }
+    redirect(s"/${form.newOwner}/${repository.name}")
+  })
+
+  /**
+   * Delete the repository.
+   */
+  post("/:owner/:repository/settings/delete")(ownerOnly { repository =>
+    deleteRepository(repository.owner, repository.name)
+
+    FileUtils.deleteDirectory(getRepositoryDir(repository.owner, repository.name))
+    FileUtils.deleteDirectory(getWikiRepositoryDir(repository.owner, repository.name))
+    FileUtils.deleteDirectory(getTemporaryDir(repository.owner, repository.name))
+
+    redirect(s"/${repository.owner}")
+  })
+
+  /**
+   * Provides duplication check for web hook url.
+   */
+  private def webHook: Constraint = new Constraint(){
+    override def validate(name: String, value: String, messages: Messages): Option[String] =
+      getWebHookURLs(params("owner"), params("repository")).map(_.url).find(_ == value).map(_ => "URL had been registered already.")
+  }
+
+  /**
+   * Provides Constraint to validate the collaborator name.
+   */
+  private def collaborator: Constraint = new Constraint(){
+    override def validate(name: String, value: String, messages: Messages): Option[String] =
+      getAccountByUserName(value) match {
+        case None => Some("User does not exist.")
+        case Some(x) if(x.isGroupAccount)
+                  => Some("User does not exist.")
+        case Some(x) if(x.userName == params("owner") || getCollaborators(params("owner"), params("repository")).contains(x.userName))
+                  => Some("User can access this repository already.")
+        case _    => None
+      }
+  }
+
+  /**
+   * Duplicate check for the rename repository name.
+   */
+  private def renameRepositoryName: Constraint = new Constraint(){
+    override def validate(name: String, value: String, params: Map[String, String], messages: Messages): Option[String] =
+      params.get("repository").filter(_ != value).flatMap { _ =>
+        params.get("owner").flatMap { userName =>
+          getRepositoryNamesOfUser(userName).find(_ == value).map(_ => "Repository already exists.")
+        }
+      }
+  }
+
+  /**
+   * Provides Constraint to validate the repository transfer user.
+   */
+  private def transferUser: Constraint = new Constraint(){
+    override def validate(name: String, value: String, messages: Messages): Option[String] =
+      getAccountByUserName(value) match {
+        case None    => Some("User does not exist.")
+        case Some(x) => if(x.userName == params("owner")){
+          Some("This is current repository owner.")
+        } else {
+          params.get("repository").flatMap { repositoryName =>
+            getRepositoryNamesOfUser(x.userName).find(_ == repositoryName).map{ _ => "User already has same repository." }
+          }
+        }
+      }
+  }
 }
--- a/src/main/scala/app/RepositoryViewerController.scala
+++ b/src/main/scala/app/RepositoryViewerController.scala
@@ -1,74 +1,27 @@
 package app

-import _root_.util.JGitUtil.CommitInfo
 import util.Directory._
 import util.Implicits._
-import _root_.util.ControlUtil._
+import util.ControlUtil._
 import _root_.util._
 import service._
 import org.scalatra._
 import java.io.File
-
-import org.eclipse.jgit.api.{ArchiveCommand, Git}
-import org.eclipse.jgit.archive.{TgzFormat, ZipFormat}
+import org.eclipse.jgit.api.Git
 import org.eclipse.jgit.lib._
 import org.apache.commons.io.FileUtils
 import org.eclipse.jgit.treewalk._
-import jp.sf.amateras.scalatra.forms._
-import org.eclipse.jgit.dircache.DirCache
-import org.eclipse.jgit.revwalk.RevCommit
-import service.WebHookService.WebHookPayload
-
-class RepositoryViewerController extends RepositoryViewerControllerBase
-  with RepositoryService with AccountService with ActivityService with IssuesService with WebHookService
-  with ReferrerAuthenticator with CollaboratorsAuthenticator
+import java.util.zip.{ZipEntry, ZipOutputStream}
+import scala.Some

+class RepositoryViewerController extends RepositoryViewerControllerBase 
+  with RepositoryService with AccountService with ActivityService with ReferrerAuthenticator with CollaboratorsAuthenticator

 /**
 * The repository viewer.
 */
-trait RepositoryViewerControllerBase extends ControllerBase {
-  self: RepositoryService with AccountService with ActivityService with IssuesService with WebHookService
-    with ReferrerAuthenticator with CollaboratorsAuthenticator =>
-
-  ArchiveCommand.registerFormat("zip", new ZipFormat)
-  ArchiveCommand.registerFormat("tar.gz", new TgzFormat)
-
-  case class EditorForm(
-    branch: String,
-    path: String,
-    content: String,
-    message: Option[String],
-    charset: String,
-    lineSeparator: String,
-    newFileName: String,
-    oldFileName: Option[String]
-  )
-
-  case class DeleteForm(
-    branch: String,
-    path: String,
-    message: Option[String],
-    fileName: String
-  )
-
-  val editorForm = mapping(
-    "branch"        -> trim(label("Branch", text(required))),
-    "path"          -> trim(label("Path", text())),
-    "content"       -> trim(label("Content", text(required))),
-    "message"       -> trim(label("Message", optional(text()))),
-    "charset"       -> trim(label("Charset", text(required))),
-    "lineSeparator" -> trim(label("Line Separator", text(required))),
-    "newFileName"   -> trim(label("Filename", text(required))),
-    "oldFileName"   -> trim(label("Old filename", optional(text())))
-  )(EditorForm.apply)
-
-  val deleteForm = mapping(
-    "branch"   -> trim(label("Branch", text(required))),
-    "path"     -> trim(label("Path", text())),
-    "message"  -> trim(label("Message", optional(text()))),
-    "fileName" -> trim(label("Filename", text(required)))
-  )(DeleteForm.apply)
+trait RepositoryViewerControllerBase extends ControllerBase { 
+  self: RepositoryService with AccountService with ActivityService with ReferrerAuthenticator with CollaboratorsAuthenticator =>

  /**
   * Returns converted HTML from Markdown for preview.
@@ -111,77 +64,13 @@ trait RepositoryViewerControllerBase extends ControllerBase {
        case Right((logs, hasNext)) =>
          repo.html.commits(if(path.isEmpty) Nil else path.split("/").toList, branchName, repository,
            logs.splitWith{ (commit1, commit2) =>
-              view.helpers.date(commit1.commitTime) == view.helpers.date(commit2.commitTime)
+              view.helpers.date(commit1.time) == view.helpers.date(commit2.time)
            }, page, hasNext)
        case Left(_) => NotFound
      }
    }
  })

-  get("/:owner/:repository/new/*")(collaboratorsOnly { repository =>
-    val (branch, path) = splitPath(repository, multiParams("splat").head)
-    repo.html.editor(branch, repository, if(path.length == 0) Nil else path.split("/").toList,
-      None, JGitUtil.ContentInfo("text", None, Some("UTF-8")))
-  })
-
-  get("/:owner/:repository/edit/*")(collaboratorsOnly { repository =>
-    val (branch, path) = splitPath(repository, multiParams("splat").head)
-
-    using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
-      val revCommit = JGitUtil.getRevCommitFromId(git, git.getRepository.resolve(branch))
-
-      getPathObjectId(git, path, revCommit).map { objectId =>
-        val paths = path.split("/")
-        repo.html.editor(branch, repository, paths.take(paths.size - 1).toList, Some(paths.last),
-          JGitUtil.getContentInfo(git, path, objectId))
-      } getOrElse NotFound
-    }
-  })
-
-  get("/:owner/:repository/remove/*")(collaboratorsOnly { repository =>
-    val (branch, path) = splitPath(repository, multiParams("splat").head)
-    using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
-      val revCommit = JGitUtil.getRevCommitFromId(git, git.getRepository.resolve(branch))
-
-      getPathObjectId(git, path, revCommit).map { objectId =>
-        val paths = path.split("/")
-        repo.html.delete(branch, repository, paths.take(paths.size - 1).toList, paths.last,
-          JGitUtil.getContentInfo(git, path, objectId))
-      } getOrElse NotFound
-    }
-  })
-
-  post("/:owner/:repository/create", editorForm)(collaboratorsOnly { (form, repository) =>
-    commitFile(repository, form.branch, form.path, Some(form.newFileName), None,
-      StringUtil.convertLineSeparator(form.content, form.lineSeparator), form.charset,
-      form.message.getOrElse(s"Create ${form.newFileName}"))
-
-    redirect(s"/${repository.owner}/${repository.name}/blob/${form.branch}/${
-      if(form.path.length == 0) form.newFileName else s"${form.path}/${form.newFileName}"
-    }")
-  })
-
-  post("/:owner/:repository/update", editorForm)(collaboratorsOnly { (form, repository) =>
-    commitFile(repository, form.branch, form.path, Some(form.newFileName), form.oldFileName,
-      StringUtil.convertLineSeparator(form.content, form.lineSeparator), form.charset,
-      if(form.oldFileName.exists(_ == form.newFileName)){
-        form.message.getOrElse(s"Update ${form.newFileName}")
-      } else {
-        form.message.getOrElse(s"Rename ${form.oldFileName.get} to ${form.newFileName}")
-      })
-
-    redirect(s"/${repository.owner}/${repository.name}/blob/${form.branch}/${
-      if(form.path.length == 0) form.newFileName else s"${form.path}/${form.newFileName}"
-    }")
-  })
-
-  post("/:owner/:repository/remove", deleteForm)(collaboratorsOnly { (form, repository) =>
-    commitFile(repository, form.branch, form.path, None, Some(form.fileName), "", "",
-      form.message.getOrElse(s"Delete ${form.fileName}"))
-
-    redirect(s"/${repository.owner}/${repository.name}/tree/${form.branch}${if(form.path.length == 0) "" else form.path}")
-  })
-
  /**
   * Displays the file content of the specified branch or commit.
   */
@@ -191,19 +80,46 @@ trait RepositoryViewerControllerBase extends ControllerBase {

    using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
      val revCommit = JGitUtil.getRevCommitFromId(git, git.getRepository.resolve(id))
-      val lastModifiedCommit = JGitUtil.getLastModifiedCommit(git, revCommit, path)
-      getPathObjectId(git, path, revCommit).map { objectId =>
-        if(raw){
-          // Download
-          defining(JGitUtil.getContentFromId(git, objectId, false).get){ bytes =>
-            contentType = FileUtil.getContentType(path, bytes)
-            bytes
+
+      @scala.annotation.tailrec
+      def getPathObjectId(path: String, walk: TreeWalk): ObjectId = walk.next match {
+        case true if(walk.getPathString == path) => walk.getObjectId(0)
+        case true => getPathObjectId(path, walk)
+      }
+
+      val objectId = using(new TreeWalk(git.getRepository)){ treeWalk =>
+        treeWalk.addTree(revCommit.getTree)
+        treeWalk.setRecursive(true)
+        getPathObjectId(path, treeWalk)
+      }
+
+      if(raw){
+        // Download
+        defining(JGitUtil.getContent(git, objectId, false).get){ bytes =>
+          contentType = FileUtil.getContentType(path, bytes)
+          bytes
+        }
+      } else {
+        // Viewer
+        val large  = FileUtil.isLarge(git.getRepository.getObjectDatabase.open(objectId).getSize)
+        val viewer = if(FileUtil.isImage(path)) "image" else if(large) "large" else "other"
+        val bytes  = if(viewer == "other") JGitUtil.getContent(git, objectId, false) else None
+
+        val content = if(viewer == "other"){
+          if(bytes.isDefined && FileUtil.isText(bytes.get)){
+            // text
+            JGitUtil.ContentInfo("text", bytes.map(StringUtil.convertFromByteArray))
+          } else {
+            // binary
+            JGitUtil.ContentInfo("binary", None)
          }
        } else {
-          repo.html.blob(id, repository, path.split("/").toList, JGitUtil.getContentInfo(git, path, objectId),
-            new JGitUtil.CommitInfo(lastModifiedCommit), hasWritePermission(repository.owner, repository.name, context.loginAccount))
+          // image or large
+          JGitUtil.ContentInfo(viewer, None)
        }
-      } getOrElse NotFound
+
+        repo.html.blob(id, repository, path.split("/").toList, content, new JGitUtil.CommitInfo(revCommit))
+      }
    }
  })

@@ -242,12 +158,12 @@ trait RepositoryViewerControllerBase extends ControllerBase {
  /**
   * Deletes branch.
   */
-  get("/:owner/:repository/delete/*")(collaboratorsOnly { repository =>
-    val branchName = multiParams("splat").head
+  get("/:owner/:repository/delete/:branchName")(collaboratorsOnly { repository =>
+    val branchName = params("branchName")
    val userName   = context.loginAccount.get.userName
    if(repository.repository.defaultBranch != branchName){
      using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
-        git.branchDelete().setForce(true).setBranchNames(branchName).call()
+        git.branchDelete().setBranchNames(branchName).call()
        recordDeleteBranchActivity(repository.owner, repository.name, userName, branchName)
      }
    }
@@ -264,13 +180,51 @@ trait RepositoryViewerControllerBase extends ControllerBase {
  /**
   * Download repository contents as an archive.
   */
-  get("/:owner/:repository/archive/*")(referrersOnly { repository =>
-    multiParams("splat").head match {
-      case name if name.endsWith(".zip") =>
-        archiveRepository(name, ".zip", repository)
-      case name if name.endsWith(".tar.gz") =>
-        archiveRepository(name, ".tar.gz", repository)
-      case _ => BadRequest
+  get("/:owner/:repository/archive/:name")(referrersOnly { repository =>
+    val name = params("name")
+
+    if(name.endsWith(".zip")){
+      val revision = name.replaceFirst("\\.zip$", "")
+      val workDir = getDownloadWorkDir(repository.owner, repository.name, session.getId)
+      if(workDir.exists){
+        FileUtils.deleteDirectory(workDir)
+      }
+      workDir.mkdirs
+
+      val zipFile = new File(workDir, repository.name + "-" +
+        (if(revision.length == 40) revision.substring(0, 10) else revision) + ".zip")
+
+      using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
+        val revCommit = JGitUtil.getRevCommitFromId(git, git.getRepository.resolve(revision))
+        using(new TreeWalk(git.getRepository)){ walk =>
+          val reader   = walk.getObjectReader
+          val objectId = new MutableObjectId
+
+          using(new ZipOutputStream(new java.io.FileOutputStream(zipFile))){ out =>
+            walk.addTree(revCommit.getTree)
+            walk.setRecursive(true)
+
+            while(walk.next){
+              val name = walk.getPathString
+              val mode = walk.getFileMode(0)
+              if(mode != FileMode.TREE){
+                walk.getObjectId(objectId, 0)
+                val entry = new ZipEntry(name)
+                val loader = reader.open(objectId)
+                entry.setSize(loader.getSize)
+                out.putNextEntry(entry)
+                loader.copyTo(out)
+              }
+            }
+          }
+        }
+      }
+
+      contentType = "application/octet-stream"
+      response.setHeader("Content-Disposition", s"attachment; filename=${zipFile.getName}")
+      zipFile
+    } else {
+      BadRequest
    }
  })

@@ -279,29 +233,29 @@ trait RepositoryViewerControllerBase extends ControllerBase {
      getRepository(
        repository.repository.originUserName.getOrElse(repository.owner),
        repository.repository.originRepositoryName.getOrElse(repository.name),
-        context.baseUrl),
+        baseUrl),
      getForkedRepositories(
        repository.repository.originUserName.getOrElse(repository.owner),
        repository.repository.originRepositoryName.getOrElse(repository.name)),
      repository)
  })
-
+  
  private def splitPath(repository: service.RepositoryService.RepositoryInfo, path: String): (String, String) = {
    val id = repository.branchList.collectFirst {
      case branch if(path == branch || path.startsWith(branch + "/")) => branch
    } orElse repository.tags.collectFirst {
      case tag if(path == tag.name || path.startsWith(tag.name + "/")) => tag.name
-    } getOrElse path.split("/")(0)
+    } orElse Some(path.split("/")(0)) get

-    (id, path.substring(id.length).stripPrefix("/"))
+    (id, path.substring(id.length).replaceFirst("^/", ""))
  }


-  private val readmeFiles = view.helpers.renderableSuffixes.map(suffix => s"readme${suffix}") ++ Seq("readme.txt", "readme")
+  private val readmeFiles = Seq("readme.md", "readme.markdown")

  /**
   * Provides HTML of the file list.
-   *
+   * 
   * @param repository the repository information
   * @param revstr the branch name or commit id(optional)
   * @param path the directory path (optional)
@@ -309,135 +263,30 @@ trait RepositoryViewerControllerBase extends ControllerBase {
   */
  private def fileList(repository: RepositoryService.RepositoryInfo, revstr: String = "", path: String = ".") = {
    if(repository.commitCount == 0){
-      repo.html.guide(repository, hasWritePermission(repository.owner, repository.name, context.loginAccount))
+      repo.html.guide(repository)
    } else {
      using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
+        val revisions = Seq(if(revstr.isEmpty) repository.repository.defaultBranch else revstr, repository.branchList.head)
        // get specified commit
        JGitUtil.getDefaultBranch(git, repository, revstr).map { case (objectId, revision) =>
-          defining(JGitUtil.getRevCommitFromId(git, objectId)) { revCommit =>
-            val lastModifiedCommit = if(path == ".") revCommit else JGitUtil.getLastModifiedCommit(git, revCommit, path)
-            // get files
+          defining(JGitUtil.getRevCommitFromId(git, objectId)){ revCommit =>
+          // get files
            val files = JGitUtil.getFileList(git, revision, path)
-            val parentPath = if (path == ".") Nil else path.split("/").toList
            // process README.md or README.markdown
            val readme = files.find { file =>
              readmeFiles.contains(file.name.toLowerCase)
            }.map { file =>
-              val path = (file.name :: parentPath.reverse).reverse
-              path -> StringUtil.convertFromByteArray(JGitUtil.getContentFromId(
-                Git.open(getRepositoryDir(repository.owner, repository.name)), file.id, true).get)
+              file -> StringUtil.convertFromByteArray(JGitUtil.getContent(Git.open(getRepositoryDir(repository.owner, repository.name)), file.id, true).get)
            }

            repo.html.files(revision, repository,
              if(path == ".") Nil else path.split("/").toList, // current path
-              new JGitUtil.CommitInfo(lastModifiedCommit), // last modified commit
-              files, readme, hasWritePermission(repository.owner, repository.name, context.loginAccount))
+              new JGitUtil.CommitInfo(revCommit), // latest commit
+              files, readme)
          }
        } getOrElse NotFound
      }
    }
  }
-
-  private def commitFile(repository: service.RepositoryService.RepositoryInfo,
-                         branch: String, path: String, newFileName: Option[String], oldFileName: Option[String],
-                         content: String, charset: String, message: String) = {
-
-    val newPath = newFileName.map { newFileName => if(path.length == 0) newFileName else s"${path}/${newFileName}" }
-    val oldPath = oldFileName.map { oldFileName => if(path.length == 0) oldFileName else s"${path}/${oldFileName}" }
-
-    LockUtil.lock(s"${repository.owner}/${repository.name}"){
-      using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
-        val loginAccount = context.loginAccount.get
-        val builder  = DirCache.newInCore.builder()
-        val inserter = git.getRepository.newObjectInserter()
-        val headName = s"refs/heads/${branch}"
-        val headTip  = git.getRepository.resolve(headName)
-
-        JGitUtil.processTree(git, headTip){ (path, tree) =>
-          if(!newPath.exists(_ == path) && !oldPath.exists(_ == path)){
-            builder.add(JGitUtil.createDirCacheEntry(path, tree.getEntryFileMode, tree.getEntryObjectId))
-          }
-        }
-
-        newPath.foreach { newPath =>
-          builder.add(JGitUtil.createDirCacheEntry(newPath, FileMode.REGULAR_FILE,
-            inserter.insert(Constants.OBJ_BLOB, content.getBytes(charset))))
-        }
-        builder.finish()
-
-        val commitId = JGitUtil.createNewCommit(git, inserter, headTip, builder.getDirCache.writeTree(inserter),
-          headName, loginAccount.fullName, loginAccount.mailAddress, message)
-
-        inserter.flush()
-        inserter.release()
-
-        // update refs
-        val refUpdate = git.getRepository.updateRef(headName)
-        refUpdate.setNewObjectId(commitId)
-        refUpdate.setForceUpdate(false)
-        refUpdate.setRefLogIdent(new PersonIdent(loginAccount.fullName, loginAccount.mailAddress))
-        //refUpdate.setRefLogMessage("merged", true)
-        refUpdate.update()
-
-        // record activity
-        recordPushActivity(repository.owner, repository.name, loginAccount.userName, branch,
-          List(new CommitInfo(JGitUtil.getRevCommitFromId(git, commitId))))
-
-        // close issue by commit message
-        closeIssuesFromMessage(message, loginAccount.userName, repository.owner, repository.name)
-
-        // call web hook
-        val commit = new JGitUtil.CommitInfo(JGitUtil.getRevCommitFromId(git, commitId))
-        getWebHookURLs(repository.owner, repository.name) match {
-          case webHookURLs if(webHookURLs.nonEmpty) =>
-            for(ownerAccount <- getAccountByUserName(repository.owner)){
-              callWebHook(repository.owner, repository.name, webHookURLs,
-                WebHookPayload(git, loginAccount, headName, repository, List(commit), ownerAccount))
-            }
-          case _ =>
-        }
-      }
-    }
-  }
-
-  private def getPathObjectId(git: Git, path: String, revCommit: RevCommit): Option[ObjectId] = {
-    @scala.annotation.tailrec
-    def _getPathObjectId(path: String, walk: TreeWalk): Option[ObjectId] = walk.next match {
-      case true if(walk.getPathString == path) => Some(walk.getObjectId(0))
-      case true  => _getPathObjectId(path, walk)
-      case false => None
-    }
-
-    using(new TreeWalk(git.getRepository)){ treeWalk =>
-      treeWalk.addTree(revCommit.getTree)
-      treeWalk.setRecursive(true)
-      _getPathObjectId(path, treeWalk)
-    }
-  }
-
-  private def archiveRepository(name: String, suffix: String, repository: RepositoryService.RepositoryInfo): File = {
-    val revision = name.stripSuffix(suffix)
-    val workDir = getDownloadWorkDir(repository.owner, repository.name, session.getId)
-    if(workDir.exists) {
-      FileUtils.deleteDirectory(workDir)
-    }
-    workDir.mkdirs
-
-    val file = new File(workDir, repository.name + "-" +
-      (if(revision.length == 40) revision.substring(0, 10) else revision).replace('/', '_') + suffix)
-
-    using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
-      val revCommit = JGitUtil.getRevCommitFromId(git, git.getRepository.resolve(revision))
-      using(new java.io.FileOutputStream(file))  { out =>
-        git.archive
-           .setFormat(suffix.tail)
-           .setTree(revCommit.getTree)
-           .setOutputStream(out)
-           .call()
-      }
-      contentType = "application/octet-stream"
-      response.setHeader("Content-Disposition", s"attachment; filename=${file.getName}")
-      file
-    }
-  }
+  
 }
--- a/src/main/scala/app/SearchController.scala
+++ b/src/main/scala/app/SearchController.scala
@@ -2,7 +2,6 @@ package app

 import util._
 import ControlUtil._
-import Implicits._
 import service._
 import jp.sf.amateras.scalatra.forms._

--- a/src/main/scala/app/SystemSettingsController.scala
+++ b/src/main/scala/app/SystemSettingsController.scala
@@ -3,29 +3,19 @@ package app
 import service.{AccountService, SystemSettingsService}
 import SystemSettingsService._
 import util.AdminAuthenticator
-import util.Directory._
-import util.ControlUtil._
 import jp.sf.amateras.scalatra.forms._
-import ssh.SshServer
-import org.apache.commons.io.FileUtils
-import java.io.FileInputStream
-import plugin.{Plugin, PluginSystem}
-import org.scalatra.Ok
-import util.Implicits._

 class SystemSettingsController extends SystemSettingsControllerBase
-  with AccountService with AdminAuthenticator
+  with SystemSettingsService with AccountService with AdminAuthenticator

 trait SystemSettingsControllerBase extends ControllerBase {
-  self: AccountService with AdminAuthenticator =>
+  self: SystemSettingsService with AccountService with AdminAuthenticator =>

  private val form = mapping(
    "baseUrl"                  -> trim(label("Base URL", optional(text()))),
    "allowAccountRegistration" -> trim(label("Account registration", boolean())),
    "gravatar"                 -> trim(label("Gravatar", boolean())),
    "notification"             -> trim(label("Notification", boolean())),
-    "ssh"                      -> trim(label("SSH access", boolean())),
-    "sshPort"                  -> trim(label("SSH port", optional(number()))),
    "smtp"                     -> optionalIfNotChecked("notification", mapping(
        "host"                     -> trim(label("SMTP Host", text(required))),
        "port"                     -> trim(label("SMTP Port", optional(number()))),
@@ -43,159 +33,22 @@ trait SystemSettingsControllerBase extends ControllerBase {
        "bindPassword"             -> trim(label("Bind Password", optional(text()))),
        "baseDN"                   -> trim(label("Base DN", text(required))),
        "userNameAttribute"        -> trim(label("User name attribute", text(required))),
-        "additionalFilterCondition"-> trim(label("Additional filter condition", optional(text()))),
        "fullNameAttribute"        -> trim(label("Full name attribute", optional(text()))),
-        "mailAttribute"            -> trim(label("Mail address attribute", optional(text()))),
+        "mailAttribute"            -> trim(label("Mail address attribute", text(required))),
        "tls"                      -> trim(label("Enable TLS", optional(boolean()))),
        "keystore"                 -> trim(label("Keystore", optional(text())))
    )(Ldap.apply))
-  )(SystemSettings.apply).verifying { settings =>
-    if(settings.ssh && settings.baseUrl.isEmpty){
-      Seq("baseUrl" -> "Base URL is required if SSH access is enabled.")
-    } else Nil
-  }
+  )(SystemSettings.apply)

-  private val pluginForm = mapping(
-    "pluginId" -> list(trim(label("", text())))
-  )(PluginForm.apply)
-
-  case class PluginForm(pluginIds: List[String])

  get("/admin/system")(adminOnly {
-    admin.html.system(flash.get("info"))
+    admin.html.system(loadSystemSettings(), flash.get("info"))
  })

  post("/admin/system", form)(adminOnly { form =>
    saveSystemSettings(form)
-
-    if(form.ssh && SshServer.isActive && context.settings.sshPort != form.sshPort){
-      SshServer.stop()
-    }
-
-    if(form.ssh && !SshServer.isActive && form.baseUrl.isDefined){
-      SshServer.start(request.getServletContext,
-        form.sshPort.getOrElse(SystemSettingsService.DefaultSshPort),
-        form.baseUrl.get)
-    } else if(!form.ssh && SshServer.isActive){
-      SshServer.stop()
-    }
-
    flash += "info" -> "System settings has been updated."
    redirect("/admin/system")
  })

-  get("/admin/plugins")(adminOnly {
-    if(enablePluginSystem){
-      val installedPlugins = plugin.PluginSystem.plugins
-      val updatablePlugins = getAvailablePlugins(installedPlugins).filter(_.status == "updatable")
-      admin.plugins.html.installed(installedPlugins, updatablePlugins)
-    } else NotFound
-  })
-
-  post("/admin/plugins/_update", pluginForm)(adminOnly { form =>
-    if(enablePluginSystem){
-      deletePlugins(form.pluginIds)
-      installPlugins(form.pluginIds)
-      redirect("/admin/plugins")
-    } else NotFound
-  })
-
-  post("/admin/plugins/_delete", pluginForm)(adminOnly { form =>
-    if(enablePluginSystem){
-      deletePlugins(form.pluginIds)
-      redirect("/admin/plugins")
-    } else NotFound
-  })
-
-  get("/admin/plugins/available")(adminOnly {
-    if(enablePluginSystem){
-      val installedPlugins = plugin.PluginSystem.plugins
-      val availablePlugins = getAvailablePlugins(installedPlugins).filter(_.status == "available")
-      admin.plugins.html.available(availablePlugins)
-    } else NotFound
-  })
-
-  post("/admin/plugins/_install", pluginForm)(adminOnly { form =>
-    if(enablePluginSystem){
-      installPlugins(form.pluginIds)
-      redirect("/admin/plugins")
-    } else NotFound
-  })
-
-  get("/admin/plugins/console")(adminOnly {
-    if(enablePluginSystem){
-      admin.plugins.html.console()
-    } else NotFound
-  })
-
-  post("/admin/plugins/console")(adminOnly {
-    if(enablePluginSystem){
-      val script = request.getParameter("script")
-      val result = plugin.ScalaPlugin.eval(script)
-      Ok()
-    } else NotFound
-  })
-
-  // TODO Move these methods to PluginSystem or Service?
-  private def deletePlugins(pluginIds: List[String]): Unit = {
-    pluginIds.foreach { pluginId =>
-      plugin.PluginSystem.uninstall(pluginId)
-      val dir = new java.io.File(PluginHome, pluginId)
-      if(dir.exists && dir.isDirectory){
-        FileUtils.deleteQuietly(dir)
-        PluginSystem.uninstall(pluginId)
-      }
-    }
-  }
-
-  private def installPlugins(pluginIds: List[String]): Unit = {
-    val dir = getPluginCacheDir()
-    val installedPlugins = plugin.PluginSystem.plugins
-    getAvailablePlugins(installedPlugins).filter(x => pluginIds.contains(x.id)).foreach { plugin =>
-      val pluginDir = new java.io.File(PluginHome, plugin.id)
-      if(pluginDir.exists){
-        FileUtils.deleteDirectory(pluginDir)
-      }
-      FileUtils.copyDirectory(new java.io.File(dir, plugin.repository + "/" + plugin.id), pluginDir)
-      PluginSystem.installPlugin(plugin.id)
-    }
-  }
-
-  private def getAvailablePlugins(installedPlugins: List[Plugin]): List[SystemSettingsControllerBase.AvailablePlugin] = {
-    val repositoryRoot = getPluginCacheDir()
-
-    if(repositoryRoot.exists && repositoryRoot.isDirectory){
-      PluginSystem.repositories.flatMap { repo =>
-        val repoDir = new java.io.File(repositoryRoot, repo.id)
-        if(repoDir.exists && repoDir.isDirectory){
-          repoDir.listFiles.filter(d => d.isDirectory && !d.getName.startsWith(".")).map { plugin =>
-            val propertyFile = new java.io.File(plugin, "plugin.properties")
-            val properties = new java.util.Properties()
-            if(propertyFile.exists && propertyFile.isFile){
-              using(new FileInputStream(propertyFile)){ in =>
-                properties.load(in)
-              }
-            }
-            SystemSettingsControllerBase.AvailablePlugin(
-              repository  = repo.id,
-              id          = properties.getProperty("id"),
-              version     = properties.getProperty("version"),
-              author      = properties.getProperty("author"),
-              url         = properties.getProperty("url"),
-              description = properties.getProperty("description"),
-              status      = installedPlugins.find(_.id == properties.getProperty("id")) match {
-                case Some(x) if(PluginSystem.isUpdatable(x.version, properties.getProperty("version")))=> "updatable"
-                case Some(x) => "installed"
-                case None    => "available"
-              })
-          }
-        } else Nil
-      }
-    } else Nil
-  }
-}
-
-object SystemSettingsControllerBase {
-  case class AvailablePlugin(repository: String, id: String, version: String,
-                             author: String, url: String, description: String, status: String)
 }
--- a/src/main/scala/app/UserManagementController.scala
+++ b/src/main/scala/app/UserManagementController.scala
@@ -4,11 +4,9 @@ import service._
 import util.AdminAuthenticator
 import util.StringUtil._
 import util.ControlUtil._
-import util.Directory._
-import util.Implicits._
 import jp.sf.amateras.scalatra.forms._
-import org.scalatra.i18n.Messages
 import org.apache.commons.io.FileUtils
+import util.Directory._

 class UserManagementController extends UserManagementControllerBase
  with AccountService with RepositoryService with AdminAuthenticator
@@ -25,10 +23,10 @@ trait UserManagementControllerBase extends AccountManagementControllerBase {
                          fileId: Option[String], clearImage: Boolean, isRemoved: Boolean)

  case class NewGroupForm(groupName: String, url: Option[String], fileId: Option[String],
-                          members: String)
+                          memberNames: Option[String])

  case class EditGroupForm(groupName: String, url: Option[String], fileId: Option[String],
-                           members: String, clearImage: Boolean, isRemoved: Boolean)
+                           memberNames: Option[String], clearImage: Boolean, isRemoved: Boolean)

  val newUserForm = mapping(
    "userName"    -> trim(label("Username"     ,text(required, maxlength(100), identifier, uniqueUserName))),
@@ -53,28 +51,28 @@ trait UserManagementControllerBase extends AccountManagementControllerBase {
  )(EditUserForm.apply)

  val newGroupForm = mapping(
-    "groupName" -> trim(label("Group name" ,text(required, maxlength(100), identifier, uniqueUserName))),
-    "url"       -> trim(label("URL"        ,optional(text(maxlength(200))))),
-    "fileId"    -> trim(label("File ID"    ,optional(text()))),
-    "members"   -> trim(label("Members"    ,text(required, members)))
+    "groupName"   -> trim(label("Group name"   ,text(required, maxlength(100), identifier, uniqueUserName))),
+    "url"         -> trim(label("URL"          ,optional(text(maxlength(200))))),
+    "fileId"      -> trim(label("File ID"      ,optional(text()))),
+    "memberNames" -> trim(label("Member Names" ,optional(text())))
  )(NewGroupForm.apply)

  val editGroupForm = mapping(
-    "groupName"  -> trim(label("Group name"  ,text(required, maxlength(100), identifier))),
-    "url"        -> trim(label("URL"         ,optional(text(maxlength(200))))),
-    "fileId"     -> trim(label("File ID"     ,optional(text()))),
-    "members"    -> trim(label("Members"     ,text(required, members))),
-    "clearImage" -> trim(label("Clear image" ,boolean())),
-    "removed"    -> trim(label("Disable"     ,boolean()))
+    "groupName"   -> trim(label("Group name"   ,text(required, maxlength(100), identifier))),
+    "url"         -> trim(label("URL"          ,optional(text(maxlength(200))))),
+    "fileId"      -> trim(label("File ID"      ,optional(text()))),
+    "memberNames" -> trim(label("Member Names" ,optional(text()))),
+    "clearImage"  -> trim(label("Clear image"  ,boolean())),
+    "removed"     -> trim(label("Disable"      ,boolean()))
  )(EditGroupForm.apply)

  get("/admin/users")(adminOnly {
    val includeRemoved = params.get("includeRemoved").map(_.toBoolean).getOrElse(false)
-    val users          = getAllUsers(includeRemoved)
-    val members        = users.collect { case account if(account.isGroupAccount) =>
-      account.userName -> getGroupMembers(account.userName).map(_.userName)
-    }.toMap
+    val users = getAllUsers(includeRemoved)

+    val members = users.collect { case account if(account.isGroupAccount) =>
+      account.userName -> getGroupMembers(account.userName)
+    }.toMap
    admin.users.html.list(users, members, includeRemoved)
  })
  
@@ -129,11 +127,7 @@ trait UserManagementControllerBase extends AccountManagementControllerBase {

  post("/admin/users/_newgroup", newGroupForm)(adminOnly { form =>
    createGroup(form.groupName, form.url)
-    updateGroupMembers(form.groupName, form.members.split(",").map {
-      _.split(":") match {
-        case Array(userName, isManager) => (userName, isManager.toBoolean)
-      }
-    }.toList)
+    updateGroupMembers(form.groupName, form.memberNames.map(_.split(",").toList).getOrElse(Nil))
    updateImage(form.groupName, form.fileId, false)
    redirect("/admin/users")
  })
@@ -145,11 +139,7 @@ trait UserManagementControllerBase extends AccountManagementControllerBase {
  })

  post("/admin/users/:groupName/_editgroup", editGroupForm)(adminOnly { form =>
-    defining(params("groupName"), form.members.split(",").map {
-      _.split(":") match {
-        case Array(userName, isManager) => (userName, isManager.toBoolean)
-      }
-    }.toList){ case (groupName, members) =>
+    defining(params("groupName"), form.memberNames.map(_.split(",").toList).getOrElse(Nil)){ case (groupName, memberNames) =>
      getAccountByUserName(groupName, true).map { account =>
        updateGroup(groupName, form.url, form.isRemoved)

@@ -165,11 +155,11 @@ trait UserManagementControllerBase extends AccountManagementControllerBase {
          }
        } else {
          // Update GROUP_MEMBER
-          updateGroupMembers(form.groupName, members)
+          updateGroupMembers(form.groupName, memberNames)
          // Update COLLABORATOR for group repositories
          getRepositoryNamesOfUser(form.groupName).foreach { repositoryName =>
            removeCollaborators(form.groupName, repositoryName)
-            members.foreach { case (userName, isManager) =>
+            memberNames.foreach { userName =>
              addCollaborator(form.groupName, repositoryName, userName)
            }
          }
@@ -182,12 +172,8 @@ trait UserManagementControllerBase extends AccountManagementControllerBase {
    }
  })

-  private def members: Constraint = new Constraint(){
-    override def validate(name: String, value: String, messages: Messages): Option[String] = {
-      if(value.split(",").exists {
-        _.split(":") match { case Array(userName, isManager) => isManager.toBoolean }
-      }) None else Some("Must select one manager at least.")
-    }
-  }
+  post("/admin/users/_usercheck")(adminOnly {
+    getAccountByUserName(params("userName")).isDefined
+  })

 }
--- a/src/main/scala/app/WikiController.scala
+++ b/src/main/scala/app/WikiController.scala
@@ -4,10 +4,10 @@ import service._
 import util._
 import util.Directory._
 import util.ControlUtil._
-import util.Implicits._
 import jp.sf.amateras.scalatra.forms._
 import org.eclipse.jgit.api.Git
 import org.scalatra.i18n.Messages
+import scala.Some
 import java.util.ResourceBundle

 class WikiController extends WikiControllerBase 
@@ -36,8 +36,7 @@ trait WikiControllerBase extends ControllerBase {
  
  get("/:owner/:repository/wiki")(referrersOnly { repository =>
    getWikiPage(repository.owner, repository.name, "Home").map { page =>
-      wiki.html.page("Home", page, getWikiPageList(repository.owner, repository.name),
-        repository, hasWritePermission(repository.owner, repository.name, context.loginAccount))
+      wiki.html.page("Home", page, repository, hasWritePermission(repository.owner, repository.name, context.loginAccount))
    } getOrElse redirect(s"/${repository.owner}/${repository.name}/wiki/Home/_edit")
  })
  
@@ -45,8 +44,7 @@ trait WikiControllerBase extends ControllerBase {
    val pageName = StringUtil.urlDecode(params("page"))

    getWikiPage(repository.owner, repository.name, pageName).map { page =>
-      wiki.html.page(pageName, page, getWikiPageList(repository.owner, repository.name),
-        repository, hasWritePermission(repository.owner, repository.name, context.loginAccount))
+      wiki.html.page(pageName, page, repository, hasWritePermission(repository.owner, repository.name, context.loginAccount))
    } getOrElse redirect(s"/${repository.owner}/${repository.name}/wiki/${StringUtil.urlEncode(pageName)}/_edit")
  })
  
--- a/src/main/scala/model/Account.scala
+++ b/src/main/scala/model/Account.scala
@@ -1,39 +1,34 @@
-package model
-
-trait AccountComponent { self: Profile =>
-  import profile.simple._
-  import self._
-
-  lazy val Accounts = TableQuery[Accounts]
-
-  class Accounts(tag: Tag) extends Table[Account](tag, "ACCOUNT") {
-    val userName = column[String]("USER_NAME", O PrimaryKey)
-    val fullName = column[String]("FULL_NAME")
-    val mailAddress = column[String]("MAIL_ADDRESS")
-    val password = column[String]("PASSWORD")
-    val isAdmin = column[Boolean]("ADMINISTRATOR")
-    val url = column[String]("URL")
-    val registeredDate = column[java.util.Date]("REGISTERED_DATE")
-    val updatedDate = column[java.util.Date]("UPDATED_DATE")
-    val lastLoginDate = column[java.util.Date]("LAST_LOGIN_DATE")
-    val image = column[String]("IMAGE")
-    val groupAccount = column[Boolean]("GROUP_ACCOUNT")
-    val removed = column[Boolean]("REMOVED")
-    def * = (userName, fullName, mailAddress, password, isAdmin, url.?, registeredDate, updatedDate, lastLoginDate.?, image.?, groupAccount, removed) <> (Account.tupled, Account.unapply)
-  }
-}
-
-case class Account(
-  userName: String,
-  fullName: String,
-  mailAddress: String,
-  password: String,
-  isAdmin: Boolean,
-  url: Option[String],
-  registeredDate: java.util.Date,
-  updatedDate: java.util.Date,
-  lastLoginDate: Option[java.util.Date],
-  image: Option[String],
-  isGroupAccount: Boolean,
-  isRemoved: Boolean
-)
+package model
+
+import scala.slick.driver.H2Driver.simple._
+
+object Accounts extends Table[Account]("ACCOUNT") {
+  def userName = column[String]("USER_NAME", O PrimaryKey)
+  def fullName = column[String]("FULL_NAME")
+  def mailAddress = column[String]("MAIL_ADDRESS")
+  def password = column[String]("PASSWORD")
+  def isAdmin = column[Boolean]("ADMINISTRATOR")
+  def url = column[String]("URL")
+  def registeredDate = column[java.util.Date]("REGISTERED_DATE")
+  def updatedDate = column[java.util.Date]("UPDATED_DATE")
+  def lastLoginDate = column[java.util.Date]("LAST_LOGIN_DATE")
+  def image = column[String]("IMAGE")
+  def groupAccount = column[Boolean]("GROUP_ACCOUNT")
+  def removed = column[Boolean]("REMOVED")
+  def * = userName ~ fullName ~ mailAddress ~ password ~ isAdmin ~ url.? ~ registeredDate ~ updatedDate ~ lastLoginDate.? ~ image.? ~ groupAccount ~ removed <> (Account, Account.unapply _)
+}
+
+case class Account(
+    userName: String,
+    fullName: String,
+    mailAddress: String,
+    password: String,
+    isAdmin: Boolean,
+    url: Option[String],
+    registeredDate: java.util.Date,
+    updatedDate: java.util.Date,
+    lastLoginDate: Option[java.util.Date],
+    image: Option[String],
+    isGroupAccount: Boolean,
+    isRemoved: Boolean
+)
--- a/src/main/scala/model/Activity.scala
+++ b/src/main/scala/model/Activity.scala
@@ -1,29 +1,31 @@
 package model

-trait ActivityComponent extends TemplateComponent { self: Profile =>
-  import profile.simple._
-  import self._
+import scala.slick.driver.H2Driver.simple._

-  lazy val Activities = TableQuery[Activities]
+object Activities extends Table[Activity]("ACTIVITY") with BasicTemplate {
+  def activityId = column[Int]("ACTIVITY_ID", O AutoInc)
+  def activityUserName = column[String]("ACTIVITY_USER_NAME")
+  def activityType = column[String]("ACTIVITY_TYPE")
+  def message = column[String]("MESSAGE")
+  def additionalInfo = column[String]("ADDITIONAL_INFO")
+  def activityDate = column[java.util.Date]("ACTIVITY_DATE")
+  def * = activityId ~ userName ~ repositoryName ~ activityUserName ~ activityType ~ message ~ additionalInfo.? ~ activityDate <> (Activity, Activity.unapply _)
+  def autoInc = userName ~ repositoryName ~ activityUserName ~ activityType ~ message ~ additionalInfo.? ~ activityDate returning activityId
+}

-  class Activities(tag: Tag) extends Table[Activity](tag, "ACTIVITY") with BasicTemplate {
-    val activityId = column[Int]("ACTIVITY_ID", O AutoInc)
-    val activityUserName = column[String]("ACTIVITY_USER_NAME")
-    val activityType = column[String]("ACTIVITY_TYPE")
-    val message = column[String]("MESSAGE")
-    val additionalInfo = column[String]("ADDITIONAL_INFO")
-    val activityDate = column[java.util.Date]("ACTIVITY_DATE")
-    def * = (userName, repositoryName, activityUserName, activityType, message, additionalInfo.?, activityDate, activityId) <> (Activity.tupled, Activity.unapply)
-  }
+object CommitLog extends Table[(String, String, String)]("COMMIT_LOG") with BasicTemplate {
+  def commitId = column[String]("COMMIT_ID")
+  def * = userName ~ repositoryName ~ commitId
+  def byPrimaryKey(userName: String, repositoryName: String, commitId: String) = byRepository(userName, repositoryName) && (this.commitId is commitId.bind)
 }

 case class Activity(
+  activityId: Int,
  userName: String,
  repositoryName: String,
  activityUserName: String,
  activityType: String,
  message: String,
  additionalInfo: Option[String],
-  activityDate: java.util.Date,
-  activityId: Int = 0
+  activityDate: java.util.Date
 )
--- a/src/main/scala/model/BasicTemplate.scala
+++ b/src/main/scala/model/BasicTemplate.scala
@@ -1,47 +1,44 @@
-package model
-
-protected[model] trait TemplateComponent { self: Profile =>
-  import profile.simple._
-
-  trait BasicTemplate { self: Table[_] =>
-    val userName = column[String]("USER_NAME")
-    val repositoryName = column[String]("REPOSITORY_NAME")
-
-    def byRepository(owner: String, repository: String) =
-      (userName === owner.bind) && (repositoryName === repository.bind)
-
-    def byRepository(userName: Column[String], repositoryName: Column[String]) =
-      (this.userName === userName) && (this.repositoryName === repositoryName)
-  }
-
-  trait IssueTemplate extends BasicTemplate { self: Table[_] =>
-    val issueId = column[Int]("ISSUE_ID")
-
-    def byIssue(owner: String, repository: String, issueId: Int) =
-      byRepository(owner, repository) && (this.issueId === issueId.bind)
-
-    def byIssue(userName: Column[String], repositoryName: Column[String], issueId: Column[Int]) =
-      byRepository(userName, repositoryName) && (this.issueId === issueId)
-  }
-
-  trait LabelTemplate extends BasicTemplate { self: Table[_] =>
-    val labelId = column[Int]("LABEL_ID")
-
-    def byLabel(owner: String, repository: String, labelId: Int) =
-      byRepository(owner, repository) && (this.labelId === labelId.bind)
-
-    def byLabel(userName: Column[String], repositoryName: Column[String], labelId: Column[Int]) =
-      byRepository(userName, repositoryName) && (this.labelId === labelId)
-  }
-
-  trait MilestoneTemplate extends BasicTemplate { self: Table[_] =>
-    val milestoneId = column[Int]("MILESTONE_ID")
-
-    def byMilestone(owner: String, repository: String, milestoneId: Int) =
-      byRepository(owner, repository) && (this.milestoneId === milestoneId.bind)
-
-    def byMilestone(userName: Column[String], repositoryName: Column[String], milestoneId: Column[Int]) =
-      byRepository(userName, repositoryName) && (this.milestoneId === milestoneId)
-  }
-
-}
+package model
+
+import scala.slick.driver.H2Driver.simple._
+
+protected[model] trait BasicTemplate { self: Table[_] =>
+  def userName = column[String]("USER_NAME")
+  def repositoryName = column[String]("REPOSITORY_NAME")
+
+  def byRepository(owner: String, repository: String) =
+    (userName is owner.bind) && (repositoryName is repository.bind)
+
+  def byRepository(userName: Column[String], repositoryName: Column[String]) =
+    (this.userName is userName) && (this.repositoryName is repositoryName)
+}
+
+protected[model] trait IssueTemplate extends BasicTemplate { self: Table[_] =>
+  def issueId = column[Int]("ISSUE_ID")
+
+  def byIssue(owner: String, repository: String, issueId: Int) =
+    byRepository(owner, repository) && (this.issueId is issueId.bind)
+
+  def byIssue(userName: Column[String], repositoryName: Column[String], issueId: Column[Int]) =
+    byRepository(userName, repositoryName) && (this.issueId is issueId)
+}
+
+protected[model] trait LabelTemplate extends BasicTemplate { self: Table[_] =>
+  def labelId = column[Int]("LABEL_ID")
+
+  def byLabel(owner: String, repository: String, labelId: Int) =
+    byRepository(owner, repository) && (this.labelId is labelId.bind)
+
+  def byLabel(userName: Column[String], repositoryName: Column[String], labelId: Column[Int]) =
+    byRepository(userName, repositoryName) && (this.labelId is labelId)
+}
+
+protected[model] trait MilestoneTemplate extends BasicTemplate { self: Table[_] =>
+  def milestoneId = column[Int]("MILESTONE_ID")
+
+  def byMilestone(owner: String, repository: String, milestoneId: Int) =
+    byRepository(owner, repository) && (this.milestoneId is milestoneId.bind)
+
+  def byMilestone(userName: Column[String], repositoryName: Column[String], milestoneId: Column[Int]) =
+    byRepository(userName, repositoryName) && (this.milestoneId is milestoneId)
+}
--- a/src/main/scala/model/Collaborator.scala
+++ b/src/main/scala/model/Collaborator.scala
@@ -1,17 +1,13 @@
 package model

-trait CollaboratorComponent extends TemplateComponent { self: Profile =>
-  import profile.simple._
+import scala.slick.driver.H2Driver.simple._

-  lazy val Collaborators = TableQuery[Collaborators]
+object Collaborators extends Table[Collaborator]("COLLABORATOR") with BasicTemplate {
+  def collaboratorName = column[String]("COLLABORATOR_NAME")
+  def * = userName ~ repositoryName ~ collaboratorName <> (Collaborator, Collaborator.unapply _)

-  class Collaborators(tag: Tag) extends Table[Collaborator](tag, "COLLABORATOR") with BasicTemplate {
-    val collaboratorName = column[String]("COLLABORATOR_NAME")
-    def * = (userName, repositoryName, collaboratorName) <> (Collaborator.tupled, Collaborator.unapply)
-
-    def byPrimaryKey(owner: String, repository: String, collaborator: String) =
-      byRepository(owner, repository) && (collaboratorName === collaborator.bind)
-  }
+  def byPrimaryKey(owner: String, repository: String, collaborator: String) =
+    byRepository(owner, repository) && (collaboratorName is collaborator.bind)
 }

 case class Collaborator(
--- a/src/main/scala/model/GroupMembers.scala
+++ b/src/main/scala/model/GroupMembers.scala
@@ -1,20 +1,14 @@
 package model

-trait GroupMemberComponent { self: Profile =>
-  import profile.simple._
+import scala.slick.driver.H2Driver.simple._

-  lazy val GroupMembers = TableQuery[GroupMembers]
-
-  class GroupMembers(tag: Tag) extends Table[GroupMember](tag, "GROUP_MEMBER") {
-    val groupName = column[String]("GROUP_NAME", O PrimaryKey)
-    val userName = column[String]("USER_NAME", O PrimaryKey)
-    val isManager = column[Boolean]("MANAGER")
-    def * = (groupName, userName, isManager) <> (GroupMember.tupled, GroupMember.unapply)
-  }
+object GroupMembers extends Table[GroupMember]("GROUP_MEMBER") {
+  def groupName = column[String]("GROUP_NAME", O PrimaryKey)
+  def userName = column[String]("USER_NAME", O PrimaryKey)
+  def * = groupName ~ userName <> (GroupMember, GroupMember.unapply _)
 }

 case class GroupMember(
  groupName: String,
-  userName: String,
-  isManager: Boolean
-)
+  userName: String
+)
--- a/src/main/scala/model/Issue.scala
+++ b/src/main/scala/model/Issue.scala
@@ -1,49 +1,41 @@
-package model
-
-trait IssueComponent extends TemplateComponent { self: Profile =>
-  import profile.simple._
-  import self._
-
-  lazy val IssueId = TableQuery[IssueId]
-  lazy val IssueOutline = TableQuery[IssueOutline]
-  lazy val Issues = TableQuery[Issues]
-
-  class IssueId(tag: Tag) extends Table[(String, String, Int)](tag, "ISSUE_ID") with IssueTemplate {
-    def * = (userName, repositoryName, issueId)
-    def byPrimaryKey(owner: String, repository: String) = byRepository(owner, repository)
-  }
-
-  class IssueOutline(tag: Tag) extends Table[(String, String, Int, Int)](tag, "ISSUE_OUTLINE_VIEW") with IssueTemplate {
-    val commentCount = column[Int]("COMMENT_COUNT")
-    def * = (userName, repositoryName, issueId, commentCount)
-  }
-
-  class Issues(tag: Tag) extends Table[Issue](tag, "ISSUE") with IssueTemplate with MilestoneTemplate {
-    val openedUserName = column[String]("OPENED_USER_NAME")
-    val assignedUserName = column[String]("ASSIGNED_USER_NAME")
-    val title = column[String]("TITLE")
-    val content = column[String]("CONTENT")
-    val closed = column[Boolean]("CLOSED")
-    val registeredDate = column[java.util.Date]("REGISTERED_DATE")
-    val updatedDate = column[java.util.Date]("UPDATED_DATE")
-    val pullRequest = column[Boolean]("PULL_REQUEST")
-    def * = (userName, repositoryName, issueId, openedUserName, milestoneId.?, assignedUserName.?, title, content.?, closed, registeredDate, updatedDate, pullRequest) <> (Issue.tupled, Issue.unapply)
-
-    def byPrimaryKey(owner: String, repository: String, issueId: Int) = byIssue(owner, repository, issueId)
-  }
-}
-
-case class Issue(
-  userName: String,
-  repositoryName: String,
-  issueId: Int,
-  openedUserName: String,
-  milestoneId: Option[Int],
-  assignedUserName: Option[String],
-  title: String,
-  content: Option[String],
-  closed: Boolean,
-  registeredDate: java.util.Date,
-  updatedDate: java.util.Date,
-  isPullRequest: Boolean
-)
+package model
+
+import scala.slick.driver.H2Driver.simple._
+
+object IssueId extends Table[(String, String, Int)]("ISSUE_ID") with IssueTemplate {
+  def * = userName ~ repositoryName ~ issueId
+  def byPrimaryKey(owner: String, repository: String) = byRepository(owner, repository)
+}
+
+object IssueOutline extends Table[(String, String, Int, Int)]("ISSUE_OUTLINE_VIEW") with IssueTemplate {
+  def commentCount = column[Int]("COMMENT_COUNT")
+  def * = userName ~ repositoryName ~ issueId ~ commentCount
+}
+
+object Issues extends Table[Issue]("ISSUE") with IssueTemplate with MilestoneTemplate {
+  def openedUserName = column[String]("OPENED_USER_NAME")
+  def assignedUserName = column[String]("ASSIGNED_USER_NAME")
+  def title = column[String]("TITLE")
+  def content = column[String]("CONTENT")
+  def closed = column[Boolean]("CLOSED")
+  def registeredDate = column[java.util.Date]("REGISTERED_DATE")
+  def updatedDate = column[java.util.Date]("UPDATED_DATE")
+  def pullRequest = column[Boolean]("PULL_REQUEST")
+  def * = userName ~ repositoryName ~ issueId ~ openedUserName ~ milestoneId.? ~ assignedUserName.? ~ title ~ content.? ~ closed ~ registeredDate ~ updatedDate ~ pullRequest <> (Issue, Issue.unapply _)
+
+  def byPrimaryKey(owner: String, repository: String, issueId: Int) = byIssue(owner, repository, issueId)
+}
+
+case class Issue(
+    userName: String,
+    repositoryName: String,
+    issueId: Int,
+    openedUserName: String,
+    milestoneId: Option[Int],
+    assignedUserName: Option[String],
+    title: String,
+    content: Option[String],
+    closed: Boolean,
+    registeredDate: java.util.Date,
+    updatedDate: java.util.Date,
+    isPullRequest: Boolean)
--- a/src/main/scala/model/IssueComment.scala
+++ b/src/main/scala/model/IssueComment.scala
@@ -1,34 +1,28 @@
-package model
-
-trait IssueCommentComponent extends TemplateComponent { self: Profile =>
-  import profile.simple._
-  import self._
-
-  lazy val IssueComments = new TableQuery(tag => new IssueComments(tag)){
-    def autoInc = this returning this.map(_.commentId)
-  }
-
-  class IssueComments(tag: Tag) extends Table[IssueComment](tag, "ISSUE_COMMENT") with IssueTemplate {
-    val commentId = column[Int]("COMMENT_ID", O AutoInc)
-    val action = column[String]("ACTION")
-    val commentedUserName = column[String]("COMMENTED_USER_NAME")
-    val content = column[String]("CONTENT")
-    val registeredDate = column[java.util.Date]("REGISTERED_DATE")
-    val updatedDate = column[java.util.Date]("UPDATED_DATE")
-    def * = (userName, repositoryName, issueId, commentId, action, commentedUserName, content, registeredDate, updatedDate) <> (IssueComment.tupled, IssueComment.unapply)
-
-    def byPrimaryKey(commentId: Int) = this.commentId === commentId.bind
-  }
-}
-
-case class IssueComment(
-  userName: String,
-  repositoryName: String,
-  issueId: Int,
-  commentId: Int = 0,
-  action: String,
-  commentedUserName: String,
-  content: String,
-  registeredDate: java.util.Date,
-  updatedDate: java.util.Date
-)
+package model
+
+import scala.slick.driver.H2Driver.simple._
+
+object IssueComments extends Table[IssueComment]("ISSUE_COMMENT") with IssueTemplate {
+  def commentId = column[Int]("COMMENT_ID", O AutoInc)
+  def action = column[String]("ACTION")
+  def commentedUserName = column[String]("COMMENTED_USER_NAME")
+  def content = column[String]("CONTENT")
+  def registeredDate = column[java.util.Date]("REGISTERED_DATE")
+  def updatedDate = column[java.util.Date]("UPDATED_DATE")
+  def * = userName ~ repositoryName ~ issueId ~ commentId ~ action ~ commentedUserName ~ content ~ registeredDate ~ updatedDate <> (IssueComment, IssueComment.unapply _)
+
+  def autoInc = userName ~ repositoryName ~ issueId ~ action ~ commentedUserName ~ content ~ registeredDate ~ updatedDate returning commentId
+  def byPrimaryKey(commentId: Int) = this.commentId is commentId.bind
+}
+
+case class IssueComment(
+    userName: String,
+    repositoryName: String,
+    issueId: Int,
+    commentId: Int,
+    action: String,
+    commentedUserName: String,
+    content: String,
+    registeredDate: java.util.Date,
+    updatedDate: java.util.Date
+)
--- a/src/main/scala/model/IssueLabels.scala
+++ b/src/main/scala/model/IssueLabels.scala
@@ -1,20 +1,15 @@
 package model

-trait IssueLabelComponent extends TemplateComponent { self: Profile =>
-  import profile.simple._
+import scala.slick.driver.H2Driver.simple._

-  lazy val IssueLabels = TableQuery[IssueLabels]
-
-  class IssueLabels(tag: Tag) extends Table[IssueLabel](tag, "ISSUE_LABEL") with IssueTemplate with LabelTemplate {
-    def * = (userName, repositoryName, issueId, labelId) <> (IssueLabel.tupled, IssueLabel.unapply)
-    def byPrimaryKey(owner: String, repository: String, issueId: Int, labelId: Int) =
-      byIssue(owner, repository, issueId) && (this.labelId === labelId.bind)
-  }
+object IssueLabels extends Table[IssueLabel]("ISSUE_LABEL") with IssueTemplate with LabelTemplate {
+  def * = userName ~ repositoryName ~ issueId ~ labelId <> (IssueLabel, IssueLabel.unapply _)
+  def byPrimaryKey(owner: String, repository: String, issueId: Int, labelId: Int) =
+    byIssue(owner, repository, issueId) && (this.labelId is labelId.bind)
 }

 case class IssueLabel(
  userName: String,
  repositoryName: String,
  issueId: Int,
-  labelId: Int
-)
+  labelId: Int)
--- a/src/main/scala/model/Labels.scala
+++ b/src/main/scala/model/Labels.scala
@@ -1,25 +1,21 @@
 package model

-trait LabelComponent extends TemplateComponent { self: Profile =>
-  import profile.simple._
+import scala.slick.driver.H2Driver.simple._

-  lazy val Labels = TableQuery[Labels]
+object Labels extends Table[Label]("LABEL") with LabelTemplate {
+  def labelName = column[String]("LABEL_NAME")
+  def color = column[String]("COLOR")
+  def * = userName ~ repositoryName ~ labelId ~ labelName ~ color <> (Label, Label.unapply _)

-  class Labels(tag: Tag) extends Table[Label](tag, "LABEL") with LabelTemplate {
-    override val labelId = column[Int]("LABEL_ID", O AutoInc)
-    val labelName = column[String]("LABEL_NAME")
-    val color = column[String]("COLOR")
-    def * = (userName, repositoryName, labelId, labelName, color) <> (Label.tupled, Label.unapply)
-
-    def byPrimaryKey(owner: String, repository: String, labelId: Int) = byLabel(owner, repository, labelId)
-    def byPrimaryKey(userName: Column[String], repositoryName: Column[String], labelId: Column[Int]) = byLabel(userName, repositoryName, labelId)
-  }
+  def ins = userName ~ repositoryName ~ labelName ~ color
+  def byPrimaryKey(owner: String, repository: String, labelId: Int) = byLabel(owner, repository, labelId)
+  def byPrimaryKey(userName: Column[String], repositoryName: Column[String], labelId: Column[Int]) = byLabel(userName, repositoryName, labelId)
 }

 case class Label(
  userName: String,
  repositoryName: String,
-  labelId: Int = 0,
+  labelId: Int,
  labelName: String,
  color: String){

@@ -31,7 +27,8 @@ case class Label(
    if(Integer.parseInt(r, 16) + Integer.parseInt(g, 16) + Integer.parseInt(b, 16) > 408){
      "000000"
    } else {
-      "ffffff"
+      "FFFFFF"
    }
  }
-}
+
+}
--- a/src/main/scala/model/Milestone.scala
+++ b/src/main/scala/model/Milestone.scala
@@ -1,30 +1,24 @@
 package model

-trait MilestoneComponent extends TemplateComponent { self: Profile =>
-  import profile.simple._
-  import self._
+import scala.slick.driver.H2Driver.simple._

-  lazy val Milestones = TableQuery[Milestones]
+object Milestones extends Table[Milestone]("MILESTONE") with MilestoneTemplate {
+  def title = column[String]("TITLE")
+  def description = column[String]("DESCRIPTION")
+  def dueDate = column[java.util.Date]("DUE_DATE")
+  def closedDate = column[java.util.Date]("CLOSED_DATE")
+  def * = userName ~ repositoryName ~ milestoneId ~ title ~ description.? ~ dueDate.? ~ closedDate.? <> (Milestone, Milestone.unapply _)

-  class Milestones(tag: Tag) extends Table[Milestone](tag, "MILESTONE") with MilestoneTemplate {
-    override val milestoneId = column[Int]("MILESTONE_ID", O AutoInc)
-    val title = column[String]("TITLE")
-    val description = column[String]("DESCRIPTION")
-    val dueDate = column[java.util.Date]("DUE_DATE")
-    val closedDate = column[java.util.Date]("CLOSED_DATE")
-    def * = (userName, repositoryName, milestoneId, title, description.?, dueDate.?, closedDate.?) <> (Milestone.tupled, Milestone.unapply)
-
-    def byPrimaryKey(owner: String, repository: String, milestoneId: Int) = byMilestone(owner, repository, milestoneId)
-    def byPrimaryKey(userName: Column[String], repositoryName: Column[String], milestoneId: Column[Int]) = byMilestone(userName, repositoryName, milestoneId)
-  }
+  def ins = userName ~ repositoryName ~ title ~ description.? ~ dueDate.? ~ closedDate.?
+  def byPrimaryKey(owner: String, repository: String, milestoneId: Int) = byMilestone(owner, repository, milestoneId)
+  def byPrimaryKey(userName: Column[String], repositoryName: Column[String], milestoneId: Column[Int]) = byMilestone(userName, repositoryName, milestoneId)
 }

 case class Milestone(
  userName: String,
  repositoryName: String,
-  milestoneId: Int = 0,
+  milestoneId: Int,
  title: String,
  description: Option[String],
  dueDate: Option[java.util.Date],
-  closedDate: Option[java.util.Date]
-)
+  closedDate: Option[java.util.Date])
--- a/src/main/scala/model/Plugin.scala
+++ b/src/main/scala/model/Plugin.scala
@@ -1,19 +0,0 @@
-package model
-
-trait PluginComponent extends TemplateComponent { self: Profile =>
-  import profile.simple._
-  import self._
-
-  lazy val Plugins = TableQuery[Plugins]
-
-  class Plugins(tag: Tag) extends Table[Plugin](tag, "PLUGIN"){
-    val pluginId = column[String]("PLUGIN_ID", O PrimaryKey)
-    val version = column[String]("VERSION")
-    def * = (pluginId, version) <> (Plugin.tupled, Plugin.unapply)
-  }
-}
-
-case class Plugin(
-  pluginId: String,
-  version: String
-)
--- a/src/main/scala/model/Profile.scala
+++ b/src/main/scala/model/Profile.scala
@@ -1,42 +0,0 @@
-package model
-
-trait Profile {
-  val profile: slick.driver.JdbcProfile
-  import profile.simple._
-
-  // java.util.Date Mapped Column Types
-  implicit val dateColumnType = MappedColumnType.base[java.util.Date, java.sql.Timestamp](
-      d => new java.sql.Timestamp(d.getTime),
-      t => new java.util.Date(t.getTime)
-  )
-
-  implicit class RichColumn(c1: Column[Boolean]){
-    def &&(c2: => Column[Boolean], guard: => Boolean): Column[Boolean] = if(guard) c1 && c2 else c1
-  }
-
-}
-
-object Profile extends {
-  val profile = slick.driver.H2Driver
-
-} with AccountComponent
-  with ActivityComponent
-  with CollaboratorComponent
-  with GroupMemberComponent
-  with IssueComponent
-  with IssueCommentComponent
-  with IssueLabelComponent
-  with LabelComponent
-  with MilestoneComponent
-  with PullRequestComponent
-  with RepositoryComponent
-  with SshKeyComponent
-  with WebHookComponent
-  with PluginComponent with Profile {
-
-  /**
-   * Returns system date.
-   */
-  def currentDate = new java.util.Date()
-
-}
--- a/src/main/scala/model/PullRequest.scala
+++ b/src/main/scala/model/PullRequest.scala
@@ -1,22 +1,18 @@
 package model

-trait PullRequestComponent extends TemplateComponent { self: Profile =>
-  import profile.simple._
+import scala.slick.driver.H2Driver.simple._

-  lazy val PullRequests = TableQuery[PullRequests]
+object PullRequests extends Table[PullRequest]("PULL_REQUEST") with IssueTemplate {
+  def branch = column[String]("BRANCH")
+  def requestUserName = column[String]("REQUEST_USER_NAME")
+  def requestRepositoryName = column[String]("REQUEST_REPOSITORY_NAME")
+  def requestBranch = column[String]("REQUEST_BRANCH")
+  def commitIdFrom = column[String]("COMMIT_ID_FROM")
+  def commitIdTo = column[String]("COMMIT_ID_TO")
+  def * = userName ~ repositoryName ~ issueId ~ branch ~ requestUserName ~ requestRepositoryName ~ requestBranch ~ commitIdFrom ~ commitIdTo <> (PullRequest, PullRequest.unapply _)

-  class PullRequests(tag: Tag) extends Table[PullRequest](tag, "PULL_REQUEST") with IssueTemplate {
-    val branch = column[String]("BRANCH")
-    val requestUserName = column[String]("REQUEST_USER_NAME")
-    val requestRepositoryName = column[String]("REQUEST_REPOSITORY_NAME")
-    val requestBranch = column[String]("REQUEST_BRANCH")
-    val commitIdFrom = column[String]("COMMIT_ID_FROM")
-    val commitIdTo = column[String]("COMMIT_ID_TO")
-    def * = (userName, repositoryName, issueId, branch, requestUserName, requestRepositoryName, requestBranch, commitIdFrom, commitIdTo) <> (PullRequest.tupled, PullRequest.unapply)
-
-    def byPrimaryKey(userName: String, repositoryName: String, issueId: Int) = byIssue(userName, repositoryName, issueId)
-    def byPrimaryKey(userName: Column[String], repositoryName: Column[String], issueId: Column[Int]) = byIssue(userName, repositoryName, issueId)
-  }
+  def byPrimaryKey(userName: String, repositoryName: String, issueId: Int) = byIssue(userName, repositoryName, issueId)
+  def byPrimaryKey(userName: Column[String], repositoryName: Column[String], issueId: Column[Int]) = byIssue(userName, repositoryName, issueId)
 }

 case class PullRequest(
@@ -29,4 +25,4 @@ case class PullRequest(
  requestBranch: String,
  commitIdFrom: String,
  commitIdTo: String
-)
+)
--- a/src/main/scala/model/Repository.scala
+++ b/src/main/scala/model/Repository.scala
@@ -1,26 +1,21 @@
 package model

-trait RepositoryComponent extends TemplateComponent { self: Profile =>
-  import profile.simple._
-  import self._
+import scala.slick.driver.H2Driver.simple._

-  lazy val Repositories = TableQuery[Repositories]
+object Repositories extends Table[Repository]("REPOSITORY") with BasicTemplate {
+  def isPrivate = column[Boolean]("PRIVATE")
+  def description = column[String]("DESCRIPTION")
+  def defaultBranch = column[String]("DEFAULT_BRANCH")
+  def registeredDate = column[java.util.Date]("REGISTERED_DATE")
+  def updatedDate = column[java.util.Date]("UPDATED_DATE")
+  def lastActivityDate = column[java.util.Date]("LAST_ACTIVITY_DATE")
+  def originUserName = column[String]("ORIGIN_USER_NAME")
+  def originRepositoryName = column[String]("ORIGIN_REPOSITORY_NAME")
+  def parentUserName = column[String]("PARENT_USER_NAME")
+  def parentRepositoryName = column[String]("PARENT_REPOSITORY_NAME")
+  def * = userName ~ repositoryName ~ isPrivate ~ description.? ~ defaultBranch ~ registeredDate ~ updatedDate ~ lastActivityDate ~ originUserName.? ~ originRepositoryName.? ~ parentUserName.? ~ parentRepositoryName.? <> (Repository, Repository.unapply _)

-  class Repositories(tag: Tag) extends Table[Repository](tag, "REPOSITORY") with BasicTemplate {
-    val isPrivate = column[Boolean]("PRIVATE")
-    val description = column[String]("DESCRIPTION")
-    val defaultBranch = column[String]("DEFAULT_BRANCH")
-    val registeredDate = column[java.util.Date]("REGISTERED_DATE")
-    val updatedDate = column[java.util.Date]("UPDATED_DATE")
-    val lastActivityDate = column[java.util.Date]("LAST_ACTIVITY_DATE")
-    val originUserName = column[String]("ORIGIN_USER_NAME")
-    val originRepositoryName = column[String]("ORIGIN_REPOSITORY_NAME")
-    val parentUserName = column[String]("PARENT_USER_NAME")
-    val parentRepositoryName = column[String]("PARENT_REPOSITORY_NAME")
-    def * = (userName, repositoryName, isPrivate, description.?, defaultBranch, registeredDate, updatedDate, lastActivityDate, originUserName.?, originRepositoryName.?, parentUserName.?, parentRepositoryName.?) <> (Repository.tupled, Repository.unapply)
-
-    def byPrimaryKey(owner: String, repository: String) = byRepository(owner, repository)
-  }
+  def byPrimaryKey(owner: String, repository: String) = byRepository(owner, repository)
 }

 case class Repository(
--- a/src/main/scala/model/SshKey.scala
+++ b/src/main/scala/model/SshKey.scala
@@ -1,24 +0,0 @@
-package model
-
-trait SshKeyComponent { self: Profile =>
-  import profile.simple._
-
-  lazy val SshKeys = TableQuery[SshKeys]
-
-  class SshKeys(tag: Tag) extends Table[SshKey](tag, "SSH_KEY") {
-    val userName = column[String]("USER_NAME")
-    val sshKeyId = column[Int]("SSH_KEY_ID", O AutoInc)
-    val title = column[String]("TITLE")
-    val publicKey = column[String]("PUBLIC_KEY")
-    def * = (userName, sshKeyId, title, publicKey) <> (SshKey.tupled, SshKey.unapply)
-
-    def byPrimaryKey(userName: String, sshKeyId: Int) = (this.userName === userName.bind) && (this.sshKeyId === sshKeyId.bind)
-  }
-}
-
-case class SshKey(
-  userName: String,
-  sshKeyId: Int = 0,
-  title: String,
-  publicKey: String
-)
--- a/src/main/scala/model/WebHook.scala
+++ b/src/main/scala/model/WebHook.scala
@@ -1,16 +1,12 @@
 package model

-trait WebHookComponent extends TemplateComponent { self: Profile =>
-  import profile.simple._
+import scala.slick.driver.H2Driver.simple._

-  lazy val WebHooks = TableQuery[WebHooks]
+object WebHooks extends Table[WebHook]("WEB_HOOK") with BasicTemplate {
+  def url = column[String]("URL")
+  def * = userName ~ repositoryName ~ url <> (WebHook, WebHook.unapply _)

-  class WebHooks(tag: Tag) extends Table[WebHook](tag, "WEB_HOOK") with BasicTemplate {
-    val url = column[String]("URL")
-    def * = (userName, repositoryName, url) <> (WebHook.tupled, WebHook.unapply)
-
-    def byPrimaryKey(owner: String, repository: String, url: String) = byRepository(owner, repository) && (this.url === url.bind)
-  }
+  def byPrimaryKey(owner: String, repository: String, url: String) = byRepository(owner, repository) && (this.url is url.bind)
 }

 case class WebHook(
--- a/src/main/scala/model/package.scala
+++ b/src/main/scala/model/package.scala
@@ -1,3 +1,20 @@
-package object model {
-  type Session = slick.jdbc.JdbcBackend#Session
-}
+package object model {
+  import scala.slick.driver.BasicDriver.Implicit._
+  import scala.slick.lifted.{Column, MappedTypeMapper}
+
+  // java.util.Date TypeMapper
+  implicit val dateTypeMapper = MappedTypeMapper.base[java.util.Date, java.sql.Timestamp](
+      d => new java.sql.Timestamp(d.getTime),
+      t => new java.util.Date(t.getTime)
+  )
+
+  implicit class RichColumn(c1: Column[Boolean]){
+    def &&(c2: => Column[Boolean], guard: => Boolean): Column[Boolean] = if(guard) c1 && c2 else c1
+  }
+
+  /**
+   * Returns system date.
+   */
+  def currentDate = new java.util.Date()
+
+}
--- a/src/main/scala/plugin/Plugin.scala
+++ b/src/main/scala/plugin/Plugin.scala
@@ -1,22 +0,0 @@
-package plugin
-
-import plugin.PluginSystem._
-import java.sql.Connection
-
-trait Plugin {
-  val id: String
-  val version: String
-  val author: String
-  val url: String
-  val description: String
-
-  def repositoryMenus       : List[RepositoryMenu]
-  def globalMenus           : List[GlobalMenu]
-  def repositoryActions     : List[RepositoryAction]
-  def globalActions         : List[Action]
-  def javaScripts           : List[JavaScript]
-}
-
-object PluginConnectionHolder {
-  val threadLocal = new ThreadLocal[Connection]
-}
--- a/src/main/scala/plugin/PluginSystem.scala
+++ b/src/main/scala/plugin/PluginSystem.scala
@@ -1,194 +0,0 @@
-package plugin
-
-import javax.servlet.http.{HttpServletResponse, HttpServletRequest}
-import org.slf4j.LoggerFactory
-import java.util.concurrent.atomic.AtomicBoolean
-import util.Directory._
-import util.ControlUtil._
-import org.apache.commons.io.{IOUtils, FileUtils}
-import Security._
-import service.PluginService
-import model.Profile._
-import profile.simple._
-import java.io.FileInputStream
-import java.sql.Connection
-import app.Context
-import service.RepositoryService.RepositoryInfo
-
-/**
- * Provides extension points to plug-ins.
- */
-object PluginSystem extends PluginService {
-
-  private val logger = LoggerFactory.getLogger(PluginSystem.getClass)
-
-  private val initialized = new AtomicBoolean(false)
-  private val pluginsMap = scala.collection.mutable.Map[String, Plugin]()
-  private val repositoriesList = scala.collection.mutable.ListBuffer[PluginRepository]()
-
-  def install(plugin: Plugin): Unit = {
-    pluginsMap.put(plugin.id, plugin)
-  }
-
-  def plugins: List[Plugin] = pluginsMap.values.toList
-
-  def uninstall(id: String)(implicit session: Session): Unit = {
-    pluginsMap.remove(id)
-
-    // Delete from PLUGIN table
-    deletePlugin(id)
-
-    // Drop tables
-    val pluginDir = new java.io.File(PluginHome)
-    val sqlFile = new java.io.File(pluginDir, s"${id}/sql/drop.sql")
-    if(sqlFile.exists){
-      val sql = IOUtils.toString(new FileInputStream(sqlFile), "UTF-8")
-      using(session.conn.createStatement()){ stmt =>
-        stmt.executeUpdate(sql)
-      }
-    }
-  }
-
-  def repositories: List[PluginRepository] = repositoriesList.toList
-
-  /**
-   * Initializes the plugin system. Load scripts from GITBUCKET_HOME/plugins.
-   */
-  def init()(implicit session: Session): Unit = {
-    if(initialized.compareAndSet(false, true)){
-      // Load installed plugins
-      val pluginDir = new java.io.File(PluginHome)
-      if(pluginDir.exists && pluginDir.isDirectory){
-        pluginDir.listFiles.filter(f => f.isDirectory && !f.getName.startsWith(".")).foreach { dir =>
-          installPlugin(dir.getName)
-        }
-      }
-      // Add default plugin repositories
-      repositoriesList += PluginRepository("central", "https://github.com/takezoe/gitbucket_plugins.git")
-    }
-  }
-
-  // TODO Method name seems to not so good.
-  def installPlugin(id: String)(implicit session: Session): Unit = {
-    val pluginHome = new java.io.File(PluginHome)
-    val pluginDir  = new java.io.File(pluginHome, id)
-
-    val scalaFile = new java.io.File(pluginDir, "plugin.scala")
-    if(scalaFile.exists && scalaFile.isFile){
-      val properties = new java.util.Properties()
-      using(new java.io.FileInputStream(new java.io.File(pluginDir, "plugin.properties"))){ in =>
-        properties.load(in)
-      }
-
-      val pluginId     = properties.getProperty("id")
-      val version      = properties.getProperty("version")
-      val author       = properties.getProperty("author")
-      val url          = properties.getProperty("url")
-      val description  = properties.getProperty("description")
-
-      val source = s"""
-        |val id          = "${pluginId}"
-        |val version     = "${version}"
-        |val author      = "${author}"
-        |val url         = "${url}"
-        |val description = "${description}"
-      """.stripMargin + FileUtils.readFileToString(scalaFile, "UTF-8")
-
-      try {
-        // Compile and eval Scala source code
-        ScalaPlugin.eval(pluginDir.listFiles.filter(_.getName.endsWith(".scala.html")).map { file =>
-          ScalaPlugin.compileTemplate(
-            id.replaceAll("-", ""),
-            file.getName.replaceAll("\\.scala\\.html$", ""),
-            IOUtils.toString(new FileInputStream(file)))
-        }.mkString("\n") + source)
-
-        // Migrate database
-        val plugin = getPlugin(pluginId)
-        if(plugin.isEmpty){
-          registerPlugin(model.Plugin(pluginId, version))
-          migrate(session.conn, pluginId, "0.0")
-        } else {
-          updatePlugin(model.Plugin(pluginId, version))
-          migrate(session.conn, pluginId, plugin.get.version)
-        }
-      } catch {
-        case e: Throwable => logger.warn(s"Error in plugin loading for ${scalaFile.getAbsolutePath}", e)
-      }
-    }
-  }
-
-  // TODO Should PluginSystem provide a way to migrate resources other than H2?
-  private def migrate(conn: Connection, pluginId: String, current: String): Unit = {
-    val pluginDir = new java.io.File(PluginHome)
-
-    // TODO Is ot possible to use this migration system in GitBucket migration?
-    val dim = current.split("\\.")
-    val currentVersion = Version(dim(0).toInt, dim(1).toInt)
-
-    val sqlDir = new java.io.File(pluginDir, s"${pluginId}/sql")
-    if(sqlDir.exists && sqlDir.isDirectory){
-      sqlDir.listFiles.filter(_.getName.endsWith(".sql")).map { file =>
-        val array = file.getName.replaceFirst("\\.sql", "").split("_")
-        Version(array(0).toInt, array(1).toInt)
-      }
-      .sorted.reverse.takeWhile(_ > currentVersion)
-      .reverse.foreach { version =>
-        val sqlFile = new java.io.File(pluginDir, s"${pluginId}/sql/${version.major}_${version.minor}.sql")
-        val sql = IOUtils.toString(new FileInputStream(sqlFile), "UTF-8")
-        using(conn.createStatement()){ stmt =>
-          stmt.executeUpdate(sql)
-        }
-      }
-    }
-  }
-
-  case class Version(major: Int, minor: Int) extends Ordered[Version] {
-
-    override def compare(that: Version): Int = {
-      if(major != that.major){
-        major.compare(that.major)
-      } else{
-        minor.compare(that.minor)
-      }
-    }
-
-    def displayString: String = major + "." + minor
-  }
-
-  def repositoryMenus       : List[RepositoryMenu]   = pluginsMap.values.flatMap(_.repositoryMenus).toList
-  def globalMenus           : List[GlobalMenu]       = pluginsMap.values.flatMap(_.globalMenus).toList
-  def repositoryActions     : List[RepositoryAction] = pluginsMap.values.flatMap(_.repositoryActions).toList
-  def globalActions         : List[Action]           = pluginsMap.values.flatMap(_.globalActions).toList
-  def javaScripts           : List[JavaScript]       = pluginsMap.values.flatMap(_.javaScripts).toList
-
-  // Case classes to hold plug-ins information internally in GitBucket
-  case class PluginRepository(id: String, url: String)
-  case class GlobalMenu(label: String, url: String, icon: String, condition: Context => Boolean)
-  case class RepositoryMenu(label: String, name: String, url: String, icon: String, condition: Context => Boolean)
-  case class Action(method: String, path: String, security: Security, function: (HttpServletRequest, HttpServletResponse, Context) => Any)
-  case class RepositoryAction(method: String, path: String, security: Security, function: (HttpServletRequest, HttpServletResponse, Context, RepositoryInfo) => Any)
-  case class Button(label: String, href: String)
-  case class JavaScript(filter: String => Boolean, script: String)
-
-  /**
-   * Checks whether the plugin is updatable.
-   */
-  def isUpdatable(oldVersion: String, newVersion: String): Boolean = {
-    if(oldVersion == newVersion){
-      false
-    } else {
-      val dim1 = oldVersion.split("\\.").map(_.toInt)
-      val dim2 = newVersion.split("\\.").map(_.toInt)
-      dim1.zip(dim2).foreach { case (a, b) =>
-        if(a < b){
-          return true
-        } else if(a > b){
-          return false
-        }
-      }
-      return false
-    }
-  }
-
-}
--- a/src/main/scala/plugin/PluginUpdateJob.scala
+++ b/src/main/scala/plugin/PluginUpdateJob.scala
@@ -1,66 +0,0 @@
-package plugin
-
-import util.Directory._
-import org.eclipse.jgit.api.Git
-import org.slf4j.LoggerFactory
-import org.quartz.{Scheduler, JobExecutionContext, Job}
-import org.quartz.JobBuilder._
-import org.quartz.TriggerBuilder._
-import org.quartz.SimpleScheduleBuilder._
-
-class PluginUpdateJob extends Job {
-
-  private val logger = LoggerFactory.getLogger(classOf[PluginUpdateJob])
-  private var failedCount = 0
-
-  /**
-   * Clone or pull all plugin repositories
-   *
-   * TODO Support plugin repository access through the proxy server
-   */
-  override def execute(context: JobExecutionContext): Unit = {
-    try {
-      if(failedCount > 3){
-        logger.error("Skip plugin information updating because failed count is over limit")
-      } else {
-        logger.info("Start plugin information updating")
-        PluginSystem.repositories.foreach { repository =>
-          logger.info(s"Updating ${repository.id}: ${repository.url}...")
-          val dir = getPluginCacheDir()
-          val repo = new java.io.File(dir, repository.id)
-          if(repo.exists){
-            // pull if the repository is already cloned
-            Git.open(repo).pull().call()
-          } else {
-            // clone if the repository is not exist
-            Git.cloneRepository().setURI(repository.url).setDirectory(repo).call()
-          }
-        }
-        logger.info("End plugin information updating")
-      }
-    } catch {
-      case e: Exception => {
-        failedCount = failedCount + 1
-        logger.error("Failed to update plugin information", e)
-      }
-    }
-  }
-}
-
-object PluginUpdateJob {
-
-  def schedule(scheduler: Scheduler): Unit = {
-    val job = newJob(classOf[PluginUpdateJob])
-      .withIdentity("pluginUpdateJob")
-      .build()
-
-    val trigger = newTrigger()
-      .withIdentity("pluginUpdateTrigger")
-      .startNow()
-      .withSchedule(simpleSchedule().withIntervalInHours(24).repeatForever())
-      .build()
-
-    scheduler.scheduleJob(job, trigger)
-  }
-
-}
--- a/src/main/scala/plugin/ScalaPlugin.scala
+++ b/src/main/scala/plugin/ScalaPlugin.scala
@@ -1,77 +0,0 @@
-package plugin
-
-import scala.collection.mutable.ListBuffer
-import javax.servlet.http.{HttpServletResponse, HttpServletRequest}
-import app.Context
-import plugin.PluginSystem._
-import plugin.PluginSystem.RepositoryMenu
-import plugin.Security._
-import service.RepositoryService.RepositoryInfo
-import scala.reflect.runtime.currentMirror
-import scala.tools.reflect.ToolBox
-import play.twirl.compiler.TwirlCompiler
-import scala.io.Codec
-
-// TODO This is a sample implementation for Scala based plug-ins.
-class ScalaPlugin(val id: String, val version: String,
-                  val author: String, val url: String, val description: String) extends Plugin {
-
-  private val repositoryMenuList   = ListBuffer[RepositoryMenu]()
-  private val globalMenuList       = ListBuffer[GlobalMenu]()
-  private val repositoryActionList = ListBuffer[RepositoryAction]()
-  private val globalActionList     = ListBuffer[Action]()
-  private val javaScriptList       = ListBuffer[JavaScript]()
-
-  def repositoryMenus       : List[RepositoryMenu]   = repositoryMenuList.toList
-  def globalMenus           : List[GlobalMenu]       = globalMenuList.toList
-  def repositoryActions     : List[RepositoryAction] = repositoryActionList.toList
-  def globalActions         : List[Action]           = globalActionList.toList
-  def javaScripts           : List[JavaScript]       = javaScriptList.toList
-
-  def addRepositoryMenu(label: String, name: String, url: String, icon: String)(condition: (Context) => Boolean): Unit = {
-    repositoryMenuList += RepositoryMenu(label, name, url, icon, condition)
-  }
-
-  def addGlobalMenu(label: String, url: String, icon: String)(condition: (Context) => Boolean): Unit = {
-    globalMenuList += GlobalMenu(label, url, icon, condition)
-  }
-
-  def addGlobalAction(method: String, path: String, security: Security = All())(function: (HttpServletRequest, HttpServletResponse, Context) => Any): Unit = {
-    globalActionList += Action(method, path, security, function)
-  }
-
-  def addRepositoryAction(method: String, path: String, security: Security = All())(function: (HttpServletRequest, HttpServletResponse, Context, RepositoryInfo) => Any): Unit = {
-    repositoryActionList += RepositoryAction(method, path, security, function)
-  }
-
-  def addJavaScript(filter: String => Boolean, script: String): Unit = {
-    javaScriptList += JavaScript(filter, script)
-  }
-
-}
-
-object ScalaPlugin {
-
-  def define(id: String, version: String, author: String, url: String, description: String)
-    = new ScalaPlugin(id, version, author, url, description)
-
-  def eval(source: String): Any = {
-    val toolbox = currentMirror.mkToolBox()
-    val tree = toolbox.parse(source)
-    toolbox.eval(tree)
-  }
-
-  def compileTemplate(packageName: String, name: String, source: String): String = {
-    val result = TwirlCompiler.parseAndGenerateCodeNewParser(
-      Array(packageName, name),
-      source.getBytes("UTF-8"),
-      Codec(scala.util.Properties.sourceEncoding),
-      "",
-      "play.twirl.api.HtmlFormat.Appendable",
-      "play.twirl.api.HtmlFormat",
-      "",
-      false)
-
-    result.replaceFirst("package .*", "")
-  }
-}
--- a/src/main/scala/plugin/Security.scala
+++ b/src/main/scala/plugin/Security.scala
@@ -1,36 +0,0 @@
-package plugin
-
-/**
- * Defines enum case classes to specify permission for actions which is provided by plugin.
- */
-object Security {
-
-  sealed trait Security
-
-  /**
-   * All users and guests
-   */
-  case class All() extends Security
-
-  /**
-   * Only signed-in users
-   */
-  case class Login() extends Security
-
-  /**
-   * Only repository owner and collaborators
-   */
-  case class Member() extends Security
-
-  /**
-   * Only repository owner and managers of group repository
-   */
-  case class Owner() extends Security
-
-  /**
-   * Only administrators
-   */
-  case class Admin() extends Security
-
-}
-
--- a/src/main/scala/plugin/package.scala
+++ b/src/main/scala/plugin/package.scala
@@ -1,56 +0,0 @@
-import java.sql.PreparedStatement
-import play.twirl.api.Html
-import util.ControlUtil._
-import scala.collection.mutable.ListBuffer
-
-package object plugin {
-
-  case class Redirect(path: String)
-  case class Fragment(html: Html)
-  case class RawData(contentType: String, content: Array[Byte])
-
-  object db {
-    // TODO labelled place holder support
-    def select(sql: String, params: Any*): Seq[Map[String, String]] = {
-      defining(PluginConnectionHolder.threadLocal.get){ conn =>
-        using(conn.prepareStatement(sql)){ stmt =>
-          setParams(stmt, params: _*)
-          using(stmt.executeQuery()){ rs =>
-            val list = new ListBuffer[Map[String, String]]()
-            while(rs.next){
-              defining(rs.getMetaData){ meta =>
-                val map = Range(1, meta.getColumnCount + 1).map { i =>
-                  val name = meta.getColumnName(i)
-                  (name, rs.getString(name))
-                }.toMap
-                list += map
-              }
-            }
-            list
-          }
-        }
-      }
-    }
-
-    // TODO labelled place holder support
-    def update(sql: String, params: Any*): Int = {
-      defining(PluginConnectionHolder.threadLocal.get){ conn =>
-        using(conn.prepareStatement(sql)){ stmt =>
-          setParams(stmt, params: _*)
-          stmt.executeUpdate()
-        }
-      }
-    }
-
-    private def setParams(stmt: PreparedStatement, params: Any*): Unit = {
-      params.zipWithIndex.foreach { case (p, i) =>
-        p match {
-          case x: String  => stmt.setString(i + 1, x)
-          case x: Int     => stmt.setInt(i + 1, x)
-          case x: Boolean => stmt.setBoolean(i + 1, x)
-        }
-      }
-    }
-  }
-
-}
--- a/src/main/scala/service/AccountService.scala
+++ b/src/main/scala/service/AccountService.scala
@@ -1,12 +1,13 @@
 package service

-import model.Profile._
-import profile.simple._
-import model.{Account, GroupMember}
-// TODO [Slick 2.0]NOT import directly?
-import model.Profile.dateColumnType
+import model._
+import scala.slick.driver.H2Driver.simple._
+import Database.threadLocalSession
 import service.SystemSettingsService.SystemSettings
 import util.StringUtil._
+import model.GroupMember
+import scala.Some
+import model.Account
 import util.LDAPUtil
 import org.slf4j.LoggerFactory

@@ -14,7 +15,7 @@ trait AccountService {

  private val logger = LoggerFactory.getLogger(classOf[AccountService])

-  def authenticate(settings: SystemSettings, userName: String, password: String)(implicit s: Session): Option[Account] =
+  def authenticate(settings: SystemSettings, userName: String, password: String): Option[Account] =
    if(settings.ldapAuthentication){
      ldapAuthentication(settings, userName, password)
    } else {
@@ -24,7 +25,7 @@ trait AccountService {
  /**
   * Authenticate by internal database.
   */
-  private def defaultAuthentication(userName: String, password: String)(implicit s: Session) = {
+  private def defaultAuthentication(userName: String, password: String) = {
    getAccountByUserName(userName).collect {
      case account if(!account.isGroupAccount && account.password == sha1(password)) => Some(account)
    } getOrElse None
@@ -33,39 +34,19 @@ trait AccountService {
  /**
   * Authenticate by LDAP.
   */
-  private def ldapAuthentication(settings: SystemSettings, userName: String, password: String)
-                                (implicit s: Session): Option[Account] = {
+  private def ldapAuthentication(settings: SystemSettings, userName: String, password: String) = {
    LDAPUtil.authenticate(settings.ldap.get, userName, password) match {
      case Right(ldapUserInfo) => {
        // Create or update account by LDAP information
-        getAccountByUserName(ldapUserInfo.userName, true) match {
-          case Some(x) if(!x.isRemoved) => {
-            if(settings.ldap.get.mailAttribute.getOrElse("").isEmpty) {
-              updateAccount(x.copy(fullName = ldapUserInfo.fullName))
-            } else {
-              updateAccount(x.copy(mailAddress = ldapUserInfo.mailAddress, fullName = ldapUserInfo.fullName))
-            }
-            getAccountByUserName(ldapUserInfo.userName)
-          }
+        getAccountByUserName(userName, true) match {
+          case Some(x) if(!x.isRemoved) => updateAccount(x.copy(mailAddress = ldapUserInfo.mailAddress, fullName = ldapUserInfo.fullName))
          case Some(x) if(x.isRemoved)  => {
-            logger.info("LDAP Authentication Failed: Account is already registered but disabled.")
+            logger.info(s"LDAP Authentication Failed: Account is already registered but disabled..")
            defaultAuthentication(userName, password)
          }
-          case None => getAccountByMailAddress(ldapUserInfo.mailAddress, true) match {
-            case Some(x) if(!x.isRemoved) => {
-              updateAccount(x.copy(fullName = ldapUserInfo.fullName))
-              getAccountByUserName(ldapUserInfo.userName)
-            }
-            case Some(x) if(x.isRemoved)  => {
-              logger.info("LDAP Authentication Failed: Account is already registered but disabled.")
-              defaultAuthentication(userName, password)
-            }
-            case None => {
-              createAccount(ldapUserInfo.userName, "", ldapUserInfo.fullName, ldapUserInfo.mailAddress, false, None)
-              getAccountByUserName(ldapUserInfo.userName)
-            }
-          }
+          case None => createAccount(userName, "", ldapUserInfo.fullName, ldapUserInfo.mailAddress, false, None)
        }
+        getAccountByUserName(userName)
      }
      case Left(errorMessage) => {
        logger.info(s"LDAP Authentication Failed: ${errorMessage}")
@@ -74,21 +55,20 @@ trait AccountService {
    }
  }

-  def getAccountByUserName(userName: String, includeRemoved: Boolean = false)(implicit s: Session): Option[Account] =
-    Accounts filter(t => (t.userName === userName.bind) && (t.removed === false.bind, !includeRemoved)) firstOption
+  def getAccountByUserName(userName: String, includeRemoved: Boolean = false): Option[Account] =
+    Query(Accounts) filter(t => (t.userName is userName.bind) && (t.removed is false.bind, !includeRemoved)) firstOption

-  def getAccountByMailAddress(mailAddress: String, includeRemoved: Boolean = false)(implicit s: Session): Option[Account] =
-    Accounts filter(t => (t.mailAddress.toLowerCase === mailAddress.toLowerCase.bind) && (t.removed === false.bind, !includeRemoved)) firstOption
+  def getAccountByMailAddress(mailAddress: String, includeRemoved: Boolean = false): Option[Account] =
+    Query(Accounts) filter(t => (t.mailAddress is mailAddress.bind) && (t.removed is false.bind, !includeRemoved)) firstOption

-  def getAllUsers(includeRemoved: Boolean = true)(implicit s: Session): List[Account] =
+  def getAllUsers(includeRemoved: Boolean = true): List[Account] =
    if(includeRemoved){
-      Accounts sortBy(_.userName) list
+      Query(Accounts) sortBy(_.userName) list
    } else {
-      Accounts filter (_.removed === false.bind) sortBy(_.userName) list
+      Query(Accounts) filter (_.removed is false.bind) sortBy(_.userName) list
    }
-
-  def createAccount(userName: String, password: String, fullName: String, mailAddress: String, isAdmin: Boolean, url: Option[String])
-                   (implicit s: Session): Unit =
+    
+  def createAccount(userName: String, password: String, fullName: String, mailAddress: String, isAdmin: Boolean, url: Option[String]): Unit =
    Accounts insert Account(
      userName       = userName,
      password       = password,
@@ -103,14 +83,14 @@ trait AccountService {
      isGroupAccount = false,
      isRemoved      = false)

-  def updateAccount(account: Account)(implicit s: Session): Unit =
+  def updateAccount(account: Account): Unit = 
    Accounts
-      .filter { a =>  a.userName === account.userName.bind }
-      .map    { a => (a.password, a.fullName, a.mailAddress, a.isAdmin, a.url.?, a.registeredDate, a.updatedDate, a.lastLoginDate.?, a.removed) }
+      .filter { a => a.userName is account.userName.bind }
+      .map    { a => a.password ~ a.fullName ~ a.mailAddress ~ a.isAdmin ~ a.url.? ~ a.registeredDate ~ a.updatedDate ~ a.lastLoginDate.? ~ a.removed }
      .update (
-        account.password,
-        account.fullName,
-        account.mailAddress,
+        account.password, 
+        account.fullName, 
+        account.mailAddress, 
        account.isAdmin,
        account.url,
        account.registeredDate,
@@ -118,13 +98,13 @@ trait AccountService {
        account.lastLoginDate,
        account.isRemoved)

-  def updateAvatarImage(userName: String, image: Option[String])(implicit s: Session): Unit =
-    Accounts.filter(_.userName === userName.bind).map(_.image.?).update(image)
+  def updateAvatarImage(userName: String, image: Option[String]): Unit =
+    Accounts.filter(_.userName is userName.bind).map(_.image.?).update(image)

-  def updateLastLoginDate(userName: String)(implicit s: Session): Unit =
-    Accounts.filter(_.userName === userName.bind).map(_.lastLoginDate).update(currentDate)
+  def updateLastLoginDate(userName: String): Unit =
+    Accounts.filter(_.userName is userName.bind).map(_.lastLoginDate).update(currentDate)

-  def createGroup(groupName: String, url: Option[String])(implicit s: Session): Unit =
+  def createGroup(groupName: String, url: Option[String]): Unit =
    Accounts insert Account(
      userName       = groupName,
      password       = "",
@@ -139,35 +119,36 @@ trait AccountService {
      isGroupAccount = true,
      isRemoved      = false)

-  def updateGroup(groupName: String, url: Option[String], removed: Boolean)(implicit s: Session): Unit =
-    Accounts.filter(_.userName === groupName.bind).map(t => t.url.? -> t.removed).update(url, removed)
+  def updateGroup(groupName: String, url: Option[String], removed: Boolean): Unit =
+    Accounts.filter(_.userName is groupName.bind).map(t => t.url.? ~ t.removed).update(url, removed)

-  def updateGroupMembers(groupName: String, members: List[(String, Boolean)])(implicit s: Session): Unit = {
-    GroupMembers.filter(_.groupName === groupName.bind).delete
-    members.foreach { case (userName, isManager) =>
-      GroupMembers insert GroupMember (groupName, userName, isManager)
+  def updateGroupMembers(groupName: String, members: List[String]): Unit = {
+    Query(GroupMembers).filter(_.groupName is groupName.bind).delete
+    members.foreach { userName =>
+      GroupMembers insert GroupMember (groupName, userName)
    }
  }

-  def getGroupMembers(groupName: String)(implicit s: Session): List[GroupMember] =
-    GroupMembers
-      .filter(_.groupName === groupName.bind)
+  def getGroupMembers(groupName: String): List[String] =
+    Query(GroupMembers)
+      .filter(_.groupName is groupName.bind)
      .sortBy(_.userName)
+      .map(_.userName)
      .list

-  def getGroupsByUserName(userName: String)(implicit s: Session): List[String] =
-    GroupMembers
-      .filter(_.userName === userName.bind)
+  def getGroupsByUserName(userName: String): List[String] =
+    Query(GroupMembers)
+      .filter(_.userName is userName.bind)
      .sortBy(_.groupName)
      .map(_.groupName)
      .list

-  def removeUserRelatedData(userName: String)(implicit s: Session): Unit = {
-    GroupMembers.filter(_.userName === userName.bind).delete
-    Collaborators.filter(_.collaboratorName === userName.bind).delete
-    Repositories.filter(_.userName === userName.bind).delete
+  def removeUserRelatedData(userName: String): Unit = {
+    Query(GroupMembers).filter(_.userName is userName.bind).delete
+    Query(Collaborators).filter(_.collaboratorName is userName.bind).delete
+    Query(Repositories).filter(_.userName is userName.bind).delete
  }

 }

-object AccountService extends AccountService
+object AccountService extends AccountService
--- a/src/main/scala/service/ActivityService.scala
+++ b/src/main/scala/service/ActivityService.scala
@@ -1,19 +1,19 @@
 package service

-import model.Profile._
-import profile.simple._
-import model.Activity
+import model._
+import scala.slick.driver.H2Driver.simple._
+import Database.threadLocalSession

 trait ActivityService {

-  def getActivitiesByUser(activityUserName: String, isPublic: Boolean)(implicit s: Session): List[Activity] =
+  def getActivitiesByUser(activityUserName: String, isPublic: Boolean): List[Activity] =
    Activities
      .innerJoin(Repositories).on((t1, t2) => t1.byRepository(t2.userName, t2.repositoryName))
      .filter { case (t1, t2) =>
        if(isPublic){
-          (t1.activityUserName === activityUserName.bind) && (t2.isPrivate === false.bind)
+          (t1.activityUserName is activityUserName.bind) && (t2.isPrivate is false.bind)
        } else {
-          (t1.activityUserName === activityUserName.bind)
+          (t1.activityUserName is activityUserName.bind)
        }
      }
      .sortBy { case (t1, t2) => t1.activityId desc }
@@ -21,159 +21,151 @@ trait ActivityService {
      .take(30)
      .list

-  def getRecentActivities()(implicit s: Session): List[Activity] =
+  def getRecentActivities(): List[Activity] =
    Activities
      .innerJoin(Repositories).on((t1, t2) => t1.byRepository(t2.userName, t2.repositoryName))
-      .filter { case (t1, t2) =>  t2.isPrivate === false.bind }
+      .filter { case (t1, t2) => t2.isPrivate is false.bind }
      .sortBy { case (t1, t2) => t1.activityId desc }
      .map    { case (t1, t2) => t1 }
      .take(30)
      .list
+  

-  def getRecentActivitiesByOwners(owners : Set[String])(implicit s: Session): List[Activity] =
-    Activities
-      .innerJoin(Repositories).on((t1, t2) => t1.byRepository(t2.userName, t2.repositoryName))
-      .filter { case (t1, t2) => (t2.isPrivate === false.bind) || (t2.userName inSetBind owners) }
-      .sortBy { case (t1, t2) => t1.activityId desc }
-      .map    { case (t1, t2) => t1 }
-      .take(30)
-      .list
-
-  def recordCreateRepositoryActivity(userName: String, repositoryName: String, activityUserName: String)
-                                    (implicit s: Session): Unit =
-    Activities insert Activity(userName, repositoryName, activityUserName,
+  def recordCreateRepositoryActivity(userName: String, repositoryName: String, activityUserName: String): Unit =
+    Activities.autoInc insert(userName, repositoryName, activityUserName,
      "create_repository",
      s"[user:${activityUserName}] created [repo:${userName}/${repositoryName}]",
      None,
      currentDate)

-  def recordCreateIssueActivity(userName: String, repositoryName: String, activityUserName: String, issueId: Int, title: String)
-                               (implicit s: Session): Unit =
-    Activities insert Activity(userName, repositoryName, activityUserName,
+  def recordCreateIssueActivity(userName: String, repositoryName: String, activityUserName: String, issueId: Int, title: String): Unit =
+    Activities.autoInc insert(userName, repositoryName, activityUserName,
      "open_issue",
      s"[user:${activityUserName}] opened issue [issue:${userName}/${repositoryName}#${issueId}]",
      Some(title), 
      currentDate)

-  def recordCloseIssueActivity(userName: String, repositoryName: String, activityUserName: String, issueId: Int, title: String)
-                              (implicit s: Session): Unit =
-    Activities insert Activity(userName, repositoryName, activityUserName,
+  def recordCloseIssueActivity(userName: String, repositoryName: String, activityUserName: String, issueId: Int, title: String): Unit =
+    Activities.autoInc insert(userName, repositoryName, activityUserName,
      "close_issue",
      s"[user:${activityUserName}] closed issue [issue:${userName}/${repositoryName}#${issueId}]",
      Some(title),
      currentDate)

-  def recordClosePullRequestActivity(userName: String, repositoryName: String, activityUserName: String, issueId: Int, title: String)
-                                    (implicit s: Session): Unit =
-    Activities insert Activity(userName, repositoryName, activityUserName,
+  def recordClosePullRequestActivity(userName: String, repositoryName: String, activityUserName: String, issueId: Int, title: String): Unit =
+    Activities.autoInc insert(userName, repositoryName, activityUserName,
      "close_issue",
      s"[user:${activityUserName}] closed pull request [pullreq:${userName}/${repositoryName}#${issueId}]",
      Some(title),
      currentDate)

-  def recordReopenIssueActivity(userName: String, repositoryName: String, activityUserName: String, issueId: Int, title: String)
-                               (implicit s: Session): Unit =
-    Activities insert Activity(userName, repositoryName, activityUserName,
+  def recordReopenIssueActivity(userName: String, repositoryName: String, activityUserName: String, issueId: Int, title: String): Unit =
+    Activities.autoInc insert(userName, repositoryName, activityUserName,
      "reopen_issue",
      s"[user:${activityUserName}] reopened issue [issue:${userName}/${repositoryName}#${issueId}]",
      Some(title),
      currentDate)

-  def recordCommentIssueActivity(userName: String, repositoryName: String, activityUserName: String, issueId: Int, comment: String)
-                                (implicit s: Session): Unit =
-    Activities insert Activity(userName, repositoryName, activityUserName,
+  def recordCommentIssueActivity(userName: String, repositoryName: String, activityUserName: String, issueId: Int, comment: String): Unit =
+    Activities.autoInc insert(userName, repositoryName, activityUserName,
      "comment_issue",
      s"[user:${activityUserName}] commented on issue [issue:${userName}/${repositoryName}#${issueId}]",
      Some(cut(comment, 200)),
      currentDate)

-  def recordCommentPullRequestActivity(userName: String, repositoryName: String, activityUserName: String, issueId: Int, comment: String)
-                                      (implicit s: Session): Unit =
-    Activities insert Activity(userName, repositoryName, activityUserName,
+  def recordCommentPullRequestActivity(userName: String, repositoryName: String, activityUserName: String, issueId: Int, comment: String): Unit =
+    Activities.autoInc insert(userName, repositoryName, activityUserName,
      "comment_issue",
      s"[user:${activityUserName}] commented on pull request [pullreq:${userName}/${repositoryName}#${issueId}]",
      Some(cut(comment, 200)),
      currentDate)

-  def recordCreateWikiPageActivity(userName: String, repositoryName: String, activityUserName: String, pageName: String)
-                                  (implicit s: Session): Unit =
-    Activities insert Activity(userName, repositoryName, activityUserName,
+  def recordCreateWikiPageActivity(userName: String, repositoryName: String, activityUserName: String, pageName: String) =
+    Activities.autoInc insert(userName, repositoryName, activityUserName,
      "create_wiki",
      s"[user:${activityUserName}] created the [repo:${userName}/${repositoryName}] wiki",
      Some(pageName),
      currentDate)
-
-  def recordEditWikiPageActivity(userName: String, repositoryName: String, activityUserName: String, pageName: String, commitId: String)
-                                (implicit s: Session): Unit =
-    Activities insert Activity(userName, repositoryName, activityUserName,
+  
+  def recordEditWikiPageActivity(userName: String, repositoryName: String, activityUserName: String, pageName: String, commitId: String) =
+    Activities.autoInc insert(userName, repositoryName, activityUserName,
      "edit_wiki",
      s"[user:${activityUserName}] edited the [repo:${userName}/${repositoryName}] wiki",
      Some(pageName + ":" + commitId),
      currentDate)
-
-  def recordPushActivity(userName: String, repositoryName: String, activityUserName: String,
-      branchName: String, commits: List[util.JGitUtil.CommitInfo])(implicit s: Session): Unit =
-    Activities insert Activity(userName, repositoryName, activityUserName,
+  
+  def recordPushActivity(userName: String, repositoryName: String, activityUserName: String, 
+      branchName: String, commits: List[util.JGitUtil.CommitInfo]) =
+    Activities.autoInc insert(userName, repositoryName, activityUserName,
      "push",
      s"[user:${activityUserName}] pushed to [branch:${userName}/${repositoryName}#${branchName}] at [repo:${userName}/${repositoryName}]",
      Some(commits.map { commit => commit.id + ":" + commit.shortMessage }.mkString("\n")),
      currentDate)
-
+  
  def recordCreateTagActivity(userName: String, repositoryName: String, activityUserName: String, 
-      tagName: String, commits: List[util.JGitUtil.CommitInfo])(implicit s: Session): Unit =
-    Activities insert Activity(userName, repositoryName, activityUserName,
+      tagName: String, commits: List[util.JGitUtil.CommitInfo]) =
+    Activities.autoInc insert(userName, repositoryName, activityUserName,
      "create_tag",
      s"[user:${activityUserName}] created tag [tag:${userName}/${repositoryName}#${tagName}] at [repo:${userName}/${repositoryName}]",
      None,
      currentDate)

  def recordDeleteTagActivity(userName: String, repositoryName: String, activityUserName: String,
-                              tagName: String, commits: List[util.JGitUtil.CommitInfo])(implicit s: Session): Unit =
-    Activities insert Activity(userName, repositoryName, activityUserName,
+                              tagName: String, commits: List[util.JGitUtil.CommitInfo]) =
+    Activities.autoInc insert(userName, repositoryName, activityUserName,
      "delete_tag",
      s"[user:${activityUserName}] deleted tag ${tagName} at [repo:${userName}/${repositoryName}]",
      None,
      currentDate)

-  def recordCreateBranchActivity(userName: String, repositoryName: String, activityUserName: String, branchName: String)
-                                (implicit s: Session): Unit =
-    Activities insert Activity(userName, repositoryName, activityUserName,
+  def recordCreateBranchActivity(userName: String, repositoryName: String, activityUserName: String, branchName: String) =
+    Activities.autoInc insert(userName, repositoryName, activityUserName,
      "create_branch",
      s"[user:${activityUserName}] created branch [branch:${userName}/${repositoryName}#${branchName}] at [repo:${userName}/${repositoryName}]",
      None,
      currentDate)

-  def recordDeleteBranchActivity(userName: String, repositoryName: String, activityUserName: String, branchName: String)
-                                (implicit s: Session): Unit =
-    Activities insert Activity(userName, repositoryName, activityUserName,
+  def recordDeleteBranchActivity(userName: String, repositoryName: String, activityUserName: String, branchName: String) =
+    Activities.autoInc insert(userName, repositoryName, activityUserName,
      "delete_branch",
      s"[user:${activityUserName}] deleted branch ${branchName} at [repo:${userName}/${repositoryName}]",
      None,
      currentDate)

-  def recordForkActivity(userName: String, repositoryName: String, activityUserName: String)(implicit s: Session): Unit =
-    Activities insert Activity(userName, repositoryName, activityUserName,
+  def recordForkActivity(userName: String, repositoryName: String, activityUserName: String) =
+    Activities.autoInc insert(userName, repositoryName, activityUserName,
      "fork",
      s"[user:${activityUserName}] forked [repo:${userName}/${repositoryName}] to [repo:${activityUserName}/${repositoryName}]",
      None,
      currentDate)

-  def recordPullRequestActivity(userName: String, repositoryName: String, activityUserName: String, issueId: Int, title: String)
-                               (implicit s: Session): Unit =
-    Activities insert Activity(userName, repositoryName, activityUserName,
+  def recordPullRequestActivity(userName: String, repositoryName: String, activityUserName: String, issueId: Int, title: String): Unit =
+    Activities.autoInc insert(userName, repositoryName, activityUserName,
      "open_pullreq",
      s"[user:${activityUserName}] opened pull request [pullreq:${userName}/${repositoryName}#${issueId}]",
      Some(title),
      currentDate)

-  def recordMergeActivity(userName: String, repositoryName: String, activityUserName: String, issueId: Int, message: String)
-                         (implicit s: Session): Unit =
-    Activities insert Activity(userName, repositoryName, activityUserName,
+  def recordMergeActivity(userName: String, repositoryName: String, activityUserName: String, issueId: Int, message: String): Unit =
+    Activities.autoInc insert(userName, repositoryName, activityUserName,
      "merge_pullreq",
      s"[user:${activityUserName}] merged pull request [pullreq:${userName}/${repositoryName}#${issueId}]",
      Some(message),
      currentDate)

-  private def cut(value: String, length: Int): String =
+  def insertCommitId(userName: String, repositoryName: String, commitId: String) = {
+    CommitLog insert (userName, repositoryName, commitId)
+  }
+
+  def insertAllCommitIds(userName: String, repositoryName: String, commitIds: List[String]) =
+    CommitLog insertAll (commitIds.map(commitId => (userName, repositoryName, commitId)): _*)
+
+  def getAllCommitIds(userName: String, repositoryName: String): List[String] =
+    Query(CommitLog).filter(_.byRepository(userName, repositoryName)).map(_.commitId).list
+
+  def existsCommitId(userName: String, repositoryName: String, commitId: String): Boolean =
+    Query(CommitLog).filter(_.byPrimaryKey(userName, repositoryName, commitId)).firstOption.isDefined
+  
+  private def cut(value: String, length: Int): String = 
    if(value.length > length) value.substring(0, length) + "..." else value
 }
--- a/src/main/scala/service/IssuesService.scala
+++ b/src/main/scala/service/IssuesService.scala
@@ -1,398 +1,372 @@
-package service
-
-import scala.slick.jdbc.{StaticQuery => Q}
-import Q.interpolation
-
-import model.Profile._
-import profile.simple._
-import model.{Issue, IssueComment, IssueLabel, Label}
-import util.Implicits._
-import util.StringUtil._
-
-trait IssuesService {
-  import IssuesService._
-
-  def getIssue(owner: String, repository: String, issueId: String)(implicit s: Session) =
-    if (issueId forall (_.isDigit))
-      Issues filter (_.byPrimaryKey(owner, repository, issueId.toInt)) firstOption
-    else None
-
-  def getComments(owner: String, repository: String, issueId: Int)(implicit s: Session) =
-    IssueComments filter (_.byIssue(owner, repository, issueId)) list
-
-  def getComment(owner: String, repository: String, commentId: String)(implicit s: Session) =
-    if (commentId forall (_.isDigit))
-      IssueComments filter { t =>
-        t.byPrimaryKey(commentId.toInt) && t.byRepository(owner, repository)
-      } firstOption
-    else None
-
-  def getIssueLabels(owner: String, repository: String, issueId: Int)(implicit s: Session) =
-    IssueLabels
-      .innerJoin(Labels).on { (t1, t2) =>
-        t1.byLabel(t2.userName, t2.repositoryName, t2.labelId)
-      }
-      .filter ( _._1.byIssue(owner, repository, issueId) )
-      .map    ( _._2 )
-      .list
-
-  def getIssueLabel(owner: String, repository: String, issueId: Int, labelId: Int)(implicit s: Session) =
-    IssueLabels filter (_.byPrimaryKey(owner, repository, issueId, labelId)) firstOption
-
-  /**
-   * Returns the count of the search result against  issues.
-   *
-   * @param condition the search condition
-   * @param onlyPullRequest if true then counts only pull request, false then counts both of issue and pull request.
-   * @param repos Tuple of the repository owner and the repository name
-   * @return the count of the search result
-   */
-  def countIssue(condition: IssueSearchCondition, onlyPullRequest: Boolean, repos: (String, String)*)
-                (implicit s: Session): Int =
-    Query(searchIssueQuery(repos, condition, onlyPullRequest).length).first
-
-  /**
-   * Returns the Map which contains issue count for each labels.
-   *
-   * @param owner the repository owner
-   * @param repository the repository name
-   * @param condition the search condition
-   * @return the Map which contains issue count for each labels (key is label name, value is issue count)
-   */
-  def countIssueGroupByLabels(owner: String, repository: String,
-                              condition: IssueSearchCondition)(implicit s: Session): Map[String, Int] = {
-
-    searchIssueQuery(Seq(owner -> repository), condition.copy(labels = Set.empty), false)
-      .innerJoin(IssueLabels).on { (t1, t2) =>
-        t1.byIssue(t2.userName, t2.repositoryName, t2.issueId)
-      }
-      .innerJoin(Labels).on { case ((t1, t2), t3) =>
-        t2.byLabel(t3.userName, t3.repositoryName, t3.labelId)
-      }
-      .groupBy { case ((t1, t2), t3) =>
-        t3.labelName
-      }
-      .map { case (labelName, t) =>
-        labelName -> t.length
-      }
-      .toMap
-  }
-  /**
-   * Returns list which contains issue count for each repository.
-   * If the issue does not exist, its repository is not included in the result.
-   *
-   * @param condition the search condition
-   * @param onlyPullRequest if true then returns only pull request, false then returns both of issue and pull request.
-   * @param repos Tuple of the repository owner and the repository name
-   * @return list which contains issue count for each repository
-   */
-  def countIssueGroupByRepository(
-      condition: IssueSearchCondition, onlyPullRequest: Boolean,
-      repos: (String, String)*)(implicit s: Session): List[(String, String, Int)] = {
-    searchIssueQuery(repos, condition.copy(repo = None), onlyPullRequest)
-      .groupBy { t =>
-        t.userName -> t.repositoryName
-      }
-      .map { case (repo, t) =>
-        (repo._1, repo._2, t.length)
-      }
-      .sortBy(_._3 desc)
-      .list
-  }
-
-  /**
-   * Returns the search result against  issues.
-   *
-   * @param condition the search condition
-   * @param pullRequest if true then returns only pull requests, false then returns only issues.
-   * @param offset the offset for pagination
-   * @param limit the limit for pagination
-   * @param repos Tuple of the repository owner and the repository name
-   * @return the search result (list of tuples which contain issue, labels and comment count)
-   */
-  def searchIssue(condition: IssueSearchCondition, pullRequest: Boolean,
-                  offset: Int, limit: Int, repos: (String, String)*)
-                 (implicit s: Session): List[IssueInfo] = {
-
-    // get issues and comment count and labels
-    searchIssueQuery(repos, condition, pullRequest)
-        .innerJoin(IssueOutline).on { (t1, t2) => t1.byIssue(t2.userName, t2.repositoryName, t2.issueId) }
-        .sortBy { case (t1, t2) =>
-          (condition.sort match {
-            case "created"  => t1.registeredDate
-            case "comments" => t2.commentCount
-            case "updated"  => t1.updatedDate
-          }) match {
-            case sort => condition.direction match {
-              case "asc"  => sort asc
-              case "desc" => sort desc
-            }
-          }
-        }
-        .drop(offset).take(limit)
-        .leftJoin (IssueLabels) .on { case ((t1, t2), t3) => t1.byIssue(t3.userName, t3.repositoryName, t3.issueId) }
-        .leftJoin (Labels)      .on { case (((t1, t2), t3), t4) => t3.byLabel(t4.userName, t4.repositoryName, t4.labelId) }
-        .leftJoin (Milestones)  .on { case ((((t1, t2), t3), t4), t5) => t1.byMilestone(t5.userName, t5.repositoryName, t5.milestoneId) }
-        .map { case ((((t1, t2), t3), t4), t5) =>
-          (t1, t2.commentCount, t4.labelId.?, t4.labelName.?, t4.color.?, t5.title.?)
-        }
-        .list
-        .splitWith { (c1, c2) =>
-          c1._1.userName       == c2._1.userName &&
-          c1._1.repositoryName == c2._1.repositoryName &&
-          c1._1.issueId        == c2._1.issueId
-        }
-        .map { issues => issues.head match {
-          case (issue, commentCount, _, _, _, milestone) =>
-            IssueInfo(issue,
-             issues.flatMap { t => t._3.map (
-                 Label(issue.userName, issue.repositoryName, _, t._4.get, t._5.get)
-             )} toList,
-             milestone,
-             commentCount)
-        }} toList
-  }
-
-  /**
-   * Assembles query for conditional issue searching.
-   */
-  private def searchIssueQuery(repos: Seq[(String, String)], condition: IssueSearchCondition,
-                               pullRequest: Boolean)(implicit s: Session) =
-    Issues filter { t1 =>
-      condition.repo
-          .map { _.split('/') match { case array => Seq(array(0) -> array(1)) } }
-          .getOrElse (repos)
-          .map { case (owner, repository) => t1.byRepository(owner, repository) }
-          .foldLeft[Column[Boolean]](false) ( _ || _ ) &&
-      (t1.closed           === (condition.state == "closed").bind) &&
-      (t1.milestoneId      === condition.milestoneId.get.get.bind, condition.milestoneId.flatten.isDefined) &&
-      (t1.milestoneId.?    isEmpty, condition.milestoneId == Some(None)) &&
-      (t1.assignedUserName === condition.assigned.get.bind, condition.assigned.isDefined) &&
-      (t1.openedUserName   === condition.author.get.bind, condition.author.isDefined) &&
-      (t1.pullRequest      === pullRequest.bind) &&
-      (IssueLabels filter { t2 =>
-        (t2.byIssue(t1.userName, t1.repositoryName, t1.issueId)) &&
-        (t2.labelId in
-          (Labels filter { t3 =>
-            (t3.byRepository(t1.userName, t1.repositoryName)) &&
-            (t3.labelName inSetBind condition.labels)
-          } map(_.labelId)))
-      } exists, condition.labels.nonEmpty)
-    }
-
-  def createIssue(owner: String, repository: String, loginUser: String, title: String, content: Option[String],
-                  assignedUserName: Option[String], milestoneId: Option[Int],
-                  isPullRequest: Boolean = false)(implicit s: Session) =
-    // next id number
-    sql"SELECT ISSUE_ID + 1 FROM ISSUE_ID WHERE USER_NAME = $owner AND REPOSITORY_NAME = $repository FOR UPDATE".as[Int]
-        .firstOption.filter { id =>
-      Issues insert Issue(
-          owner,
-          repository,
-          id,
-          loginUser,
-          milestoneId,
-          assignedUserName,
-          title,
-          content,
-          false,
-          currentDate,
-          currentDate,
-          isPullRequest)
-
-      // increment issue id
-      IssueId
-        .filter (_.byPrimaryKey(owner, repository))
-        .map (_.issueId)
-        .update (id) > 0
-    } get
-
-  def registerIssueLabel(owner: String, repository: String, issueId: Int, labelId: Int)(implicit s: Session) =
-    IssueLabels insert IssueLabel(owner, repository, issueId, labelId)
-
-  def deleteIssueLabel(owner: String, repository: String, issueId: Int, labelId: Int)(implicit s: Session) =
-    IssueLabels filter(_.byPrimaryKey(owner, repository, issueId, labelId)) delete
-
-  def createComment(owner: String, repository: String, loginUser: String,
-      issueId: Int, content: String, action: String)(implicit s: Session): Int =
-    IssueComments.autoInc insert IssueComment(
-        userName          = owner,
-        repositoryName    = repository,
-        issueId           = issueId,
-        action            = action,
-        commentedUserName = loginUser,
-        content           = content,
-        registeredDate    = currentDate,
-        updatedDate       = currentDate)
-
-  def updateIssue(owner: String, repository: String, issueId: Int,
-      title: String, content: Option[String])(implicit s: Session) =
-    Issues
-      .filter (_.byPrimaryKey(owner, repository, issueId))
-      .map { t =>
-        (t.title, t.content.?, t.updatedDate)
-      }
-      .update (title, content, currentDate)
-
-  def updateAssignedUserName(owner: String, repository: String, issueId: Int,
-                             assignedUserName: Option[String])(implicit s: Session) =
-    Issues.filter (_.byPrimaryKey(owner, repository, issueId)).map(_.assignedUserName?).update (assignedUserName)
-
-  def updateMilestoneId(owner: String, repository: String, issueId: Int,
-                        milestoneId: Option[Int])(implicit s: Session) =
-    Issues.filter (_.byPrimaryKey(owner, repository, issueId)).map(_.milestoneId?).update (milestoneId)
-
-  def updateComment(commentId: Int, content: String)(implicit s: Session) =
-    IssueComments
-      .filter (_.byPrimaryKey(commentId))
-      .map { t =>
-        t.content -> t.updatedDate
-      }
-      .update (content, currentDate)
-
-  def deleteComment(commentId: Int)(implicit s: Session) =
-    IssueComments filter (_.byPrimaryKey(commentId)) delete
-
-  def updateClosed(owner: String, repository: String, issueId: Int, closed: Boolean)(implicit s: Session) =
-    Issues
-      .filter (_.byPrimaryKey(owner, repository, issueId))
-      .map { t =>
-        t.closed -> t.updatedDate
-      }
-      .update (closed, currentDate)
-
-  /**
-   * Search issues by keyword.
-   *
-   * @param owner the repository owner
-   * @param repository the repository name
-   * @param query the keywords separated by whitespace.
-   * @return issues with comment count and matched content of issue or comment
-   */
-  def searchIssuesByKeyword(owner: String, repository: String, query: String)
-                           (implicit s: Session): List[(Issue, Int, String)] = {
-    import slick.driver.JdbcDriver.likeEncode
-    val keywords = splitWords(query.toLowerCase)
-
-    // Search Issue
-    val issues = Issues
-      .innerJoin(IssueOutline).on { case (t1, t2) =>
-        t1.byIssue(t2.userName, t2.repositoryName, t2.issueId)
-      }
-      .filter { case (t1, t2) =>
-        keywords.map { keyword =>
-          (t1.title.toLowerCase   like (s"%${likeEncode(keyword)}%", '^')) ||
-          (t1.content.toLowerCase like (s"%${likeEncode(keyword)}%", '^'))
-        } .reduceLeft(_ && _)
-      }
-      .map { case (t1, t2) =>
-        (t1, 0, t1.content.?, t2.commentCount)
-      }
-
-    // Search IssueComment
-    val comments = IssueComments
-      .innerJoin(Issues).on { case (t1, t2) =>
-        t1.byIssue(t2.userName, t2.repositoryName, t2.issueId)
-      }
-      .innerJoin(IssueOutline).on { case ((t1, t2), t3) =>
-        t2.byIssue(t3.userName, t3.repositoryName, t3.issueId)
-      }
-      .filter { case ((t1, t2), t3) =>
-        keywords.map { query =>
-          t1.content.toLowerCase like (s"%${likeEncode(query)}%", '^')
-        }.reduceLeft(_ && _)
-      }
-      .map { case ((t1, t2), t3) =>
-        (t2, t1.commentId, t1.content.?, t3.commentCount)
-      }
-
-    issues.union(comments).sortBy { case (issue, commentId, _, _) =>
-      issue.issueId -> commentId
-    }.list.splitWith { case ((issue1, _, _, _), (issue2, _, _, _)) =>
-      issue1.issueId == issue2.issueId
-    }.map { _.head match {
-        case (issue, _, content, commentCount) => (issue, commentCount, content.getOrElse(""))
-      }
-    }.toList
-  }
-
-  def closeIssuesFromMessage(message: String, userName: String, owner: String, repository: String)(implicit s: Session) = {
-    extractCloseId(message).foreach { issueId =>
-      for(issue <- getIssue(owner, repository, issueId) if !issue.closed){
-        createComment(owner, repository, userName, issue.issueId, "Close", "close")
-        updateClosed(owner, repository, issue.issueId, true)
-      }
-    }
-  }
-}
-
-object IssuesService {
-  import javax.servlet.http.HttpServletRequest
-
-  val IssueLimit = 30
-
-  case class IssueSearchCondition(
-      labels: Set[String] = Set.empty,
-      milestoneId: Option[Option[Int]] = None,
-      author: Option[String] = None,
-      assigned: Option[String] = None,
-      repo: Option[String] = None,
-      state: String = "open",
-      sort: String = "created",
-      direction: String = "desc"){
-
-    def isEmpty: Boolean = {
-      labels.isEmpty && milestoneId.isEmpty && author.isEmpty && assigned.isEmpty &&
-        state == "open" && sort == "created" && direction == "desc"
-    }
-
-    def nonEmpty: Boolean = !isEmpty
-
-    def toURL: String =
-      "?" + List(
-        if(labels.isEmpty) None else Some("labels=" + urlEncode(labels.mkString(","))),
-        milestoneId.map { id => "milestone=" + (id match {
-          case Some(x) => x.toString
-          case None    => "none"
-        })},
-        author  .map(x => "author="   + urlEncode(x)),
-        assigned.map(x => "assigned=" + urlEncode(x)),
-        repo.map("for="   + urlEncode(_)),
-        Some("state="     + urlEncode(state)),
-        Some("sort="      + urlEncode(sort)),
-        Some("direction=" + urlEncode(direction))).flatten.mkString("&")
-
-  }
-
-  object IssueSearchCondition {
-
-    private def param(request: HttpServletRequest, name: String, allow: Seq[String] = Nil): Option[String] = {
-      val value = request.getParameter(name)
-      if(value == null || value.isEmpty || (allow.nonEmpty && !allow.contains(value))) None else Some(value)
-    }
-
-    def apply(request: HttpServletRequest): IssueSearchCondition =
-      IssueSearchCondition(
-        param(request, "labels").map(_.split(",").toSet).getOrElse(Set.empty),
-        param(request, "milestone").map{
-          case "none" => None
-          case x      => x.toIntOpt
-        },
-        param(request, "author"),
-        param(request, "assigned"),
-        param(request, "for"),
-        param(request, "state",     Seq("open", "closed")).getOrElse("open"),
-        param(request, "sort",      Seq("created", "comments", "updated")).getOrElse("created"),
-        param(request, "direction", Seq("asc", "desc")).getOrElse("desc"))
-
-    def page(request: HttpServletRequest) = try {
-      val i = param(request, "page").getOrElse("1").toInt
-      if(i <= 0) 1 else i
-    } catch {
-      case e: NumberFormatException => 1
-    }
-  }
-
-  case class IssueInfo(issue: Issue, labels: List[Label], milestone: Option[String], commentCount: Int)
-
-}
+package service
+
+import scala.slick.driver.H2Driver.simple._
+import Database.threadLocalSession
+import scala.slick.jdbc.{StaticQuery => Q}
+import Q.interpolation
+
+import model._
+import util.Implicits._
+import util.StringUtil._
+
+trait IssuesService {
+  import IssuesService._
+
+  def getIssue(owner: String, repository: String, issueId: String) =
+    if (issueId forall (_.isDigit))
+      Query(Issues) filter (_.byPrimaryKey(owner, repository, issueId.toInt)) firstOption
+    else None
+
+  def getComments(owner: String, repository: String, issueId: Int) =
+    Query(IssueComments) filter (_.byIssue(owner, repository, issueId)) list
+
+  def getComment(owner: String, repository: String, commentId: String) =
+    if (commentId forall (_.isDigit))
+      Query(IssueComments) filter { t =>
+        t.byPrimaryKey(commentId.toInt) && t.byRepository(owner, repository)
+      } firstOption
+    else None
+
+  def getIssueLabels(owner: String, repository: String, issueId: Int) =
+    IssueLabels
+      .innerJoin(Labels).on { (t1, t2) =>
+        t1.byLabel(t2.userName, t2.repositoryName, t2.labelId)
+      }
+      .filter ( _._1.byIssue(owner, repository, issueId) )
+      .map    ( _._2 )
+      .list
+
+  def getIssueLabel(owner: String, repository: String, issueId: Int, labelId: Int) =
+    Query(IssueLabels) filter (_.byPrimaryKey(owner, repository, issueId, labelId)) firstOption
+
+  /**
+   * Returns the count of the search result against  issues.
+   *
+   * @param condition the search condition
+   * @param filterUser the filter user name (key is "all", "assigned" or "created_by", value is the user name)
+   * @param onlyPullRequest if true then counts only pull request, false then counts both of issue and pull request.
+   * @param repos Tuple of the repository owner and the repository name
+   * @return the count of the search result
+   */
+  def countIssue(condition: IssueSearchCondition, filterUser: Map[String, String], onlyPullRequest: Boolean,
+                 repos: (String, String)*): Int =
+    Query(searchIssueQuery(repos, condition, filterUser, onlyPullRequest).length).first
+  /**
+   * Returns the Map which contains issue count for each labels.
+   *
+   * @param owner the repository owner
+   * @param repository the repository name
+   * @param condition the search condition
+   * @param filterUser the filter user name (key is "all", "assigned" or "created_by", value is the user name)
+   * @return the Map which contains issue count for each labels (key is label name, value is issue count)
+   */
+  def countIssueGroupByLabels(owner: String, repository: String, condition: IssueSearchCondition,
+                              filterUser: Map[String, String]): Map[String, Int] = {
+
+    searchIssueQuery(Seq(owner -> repository), condition.copy(labels = Set.empty), filterUser, false)
+      .innerJoin(IssueLabels).on { (t1, t2) =>
+        t1.byIssue(t2.userName, t2.repositoryName, t2.issueId)
+      }
+      .innerJoin(Labels).on { case ((t1, t2), t3) =>
+        t2.byLabel(t3.userName, t3.repositoryName, t3.labelId)
+      }
+      .groupBy { case ((t1, t2), t3) =>
+        t3.labelName
+      }
+      .map { case (labelName, t) =>
+        labelName ~ t.length
+      }
+      .toMap
+  }
+  /**
+   * Returns list which contains issue count for each repository.
+   * If the issue does not exist, its repository is not included in the result.
+   *
+   * @param condition the search condition
+   * @param filterUser the filter user name (key is "all", "assigned" or "created_by", value is the user name)
+   * @param onlyPullRequest if true then returns only pull request, false then returns both of issue and pull request.
+   * @param repos Tuple of the repository owner and the repository name
+   * @return list which contains issue count for each repository
+   */
+  def countIssueGroupByRepository(
+      condition: IssueSearchCondition, filterUser: Map[String, String], onlyPullRequest: Boolean,
+      repos: (String, String)*): List[(String, String, Int)] = {
+    searchIssueQuery(repos, condition.copy(repo = None), filterUser, onlyPullRequest)
+      .groupBy { t =>
+        t.userName ~ t.repositoryName
+      }
+      .map { case (repo, t) =>
+        repo ~ t.length
+      }
+      .sortBy(_._3 desc)
+      .list
+  }
+
+  /**
+   * Returns the search result against  issues.
+   *
+   * @param condition the search condition
+   * @param filterUser the filter user name (key is "all", "assigned", "created_by" or "not_created_by", value is the user name)
+   * @param onlyPullRequest if true then returns only pull request, false then returns both of issue and pull request.
+   * @param offset the offset for pagination
+   * @param limit the limit for pagination
+   * @param repos Tuple of the repository owner and the repository name
+   * @return the search result (list of tuples which contain issue, labels and comment count)
+   */
+  def searchIssue(condition: IssueSearchCondition, filterUser: Map[String, String], onlyPullRequest: Boolean,
+                  offset: Int, limit: Int, repos: (String, String)*): List[(Issue, List[Label], Int)] = {
+
+    // get issues and comment count and labels
+    searchIssueQuery(repos, condition, filterUser, onlyPullRequest)
+        .innerJoin(IssueOutline).on { (t1, t2) => t1.byIssue(t2.userName, t2.repositoryName, t2.issueId) }
+        .sortBy { case (t1, t2) =>
+          (condition.sort match {
+            case "created"  => t1.registeredDate
+            case "comments" => t2.commentCount
+            case "updated"  => t1.updatedDate
+          }) match {
+            case sort => condition.direction match {
+              case "asc"  => sort asc
+              case "desc" => sort desc
+            }
+          }
+        }
+        .drop(offset).take(limit)
+        .leftJoin (IssueLabels) .on { case ((t1, t2), t3) => t1.byIssue(t3.userName, t3.repositoryName, t3.issueId) }
+        .leftJoin (Labels)      .on { case (((t1, t2), t3), t4) => t3.byLabel(t4.userName, t4.repositoryName, t4.labelId) }
+        .map { case (((t1, t2), t3), t4) =>
+          (t1, t2.commentCount, t4.labelId.?, t4.labelName.?, t4.color.?)
+        }
+        .list
+        .splitWith { (c1, c2) =>
+          c1._1.userName == c2._1.userName &&
+          c1._1.repositoryName == c2._1.repositoryName &&
+          c1._1.issueId == c2._1.issueId
+        }
+        .map { issues => issues.head match {
+          case (issue, commentCount, _,_,_) =>
+            (issue,
+             issues.flatMap { t => t._3.map (
+                 Label(issue.userName, issue.repositoryName, _, t._4.get, t._5.get)
+             )} toList,
+             commentCount)
+        }} toList
+  }
+
+  /**
+   * Assembles query for conditional issue searching.
+   */
+  private def searchIssueQuery(repos: Seq[(String, String)], condition: IssueSearchCondition,
+                               filterUser: Map[String, String], onlyPullRequest: Boolean) =
+    Query(Issues) filter { t1 =>
+      condition.repo
+          .map { _.split('/') match { case array => Seq(array(0) -> array(1)) } }
+          .getOrElse (repos)
+          .map { case (owner, repository) => t1.byRepository(owner, repository) }
+          .foldLeft[Column[Boolean]](false) ( _ || _ ) &&
+      (t1.closed           is (condition.state == "closed").bind) &&
+      (t1.milestoneId      is condition.milestoneId.get.get.bind, condition.milestoneId.flatten.isDefined) &&
+      (t1.milestoneId      isNull, condition.milestoneId == Some(None)) &&
+      (t1.assignedUserName is filterUser("assigned").bind, filterUser.get("assigned").isDefined) &&
+      (t1.openedUserName   is filterUser("created_by").bind, filterUser.get("created_by").isDefined) &&
+      (t1.openedUserName   isNot filterUser("not_created_by").bind, filterUser.get("not_created_by").isDefined) &&
+      (t1.pullRequest      is true.bind, onlyPullRequest) &&
+      (IssueLabels filter { t2 =>
+        (t2.byIssue(t1.userName, t1.repositoryName, t1.issueId)) &&
+        (t2.labelId in
+          (Labels filter { t3 =>
+            (t3.byRepository(t1.userName, t1.repositoryName)) &&
+            (t3.labelName inSetBind condition.labels)
+          } map(_.labelId)))
+      } exists, condition.labels.nonEmpty)
+    }
+
+  def createIssue(owner: String, repository: String, loginUser: String, title: String, content: Option[String],
+                  assignedUserName: Option[String], milestoneId: Option[Int], isPullRequest: Boolean = false) =
+    // next id number
+    sql"SELECT ISSUE_ID + 1 FROM ISSUE_ID WHERE USER_NAME = $owner AND REPOSITORY_NAME = $repository FOR UPDATE".as[Int]
+        .firstOption.filter { id =>
+      Issues insert Issue(
+          owner,
+          repository,
+          id,
+          loginUser,
+          milestoneId,
+          assignedUserName,
+          title,
+          content,
+          false,
+          currentDate,
+          currentDate,
+          isPullRequest)
+
+      // increment issue id
+      IssueId
+        .filter (_.byPrimaryKey(owner, repository))
+        .map (_.issueId)
+        .update (id) > 0
+    } get
+
+  def registerIssueLabel(owner: String, repository: String, issueId: Int, labelId: Int) =
+    IssueLabels insert (IssueLabel(owner, repository, issueId, labelId))
+
+  def deleteIssueLabel(owner: String, repository: String, issueId: Int, labelId: Int) =
+    IssueLabels filter(_.byPrimaryKey(owner, repository, issueId, labelId)) delete
+
+  def createComment(owner: String, repository: String, loginUser: String,
+      issueId: Int, content: String, action: String) =
+    IssueComments.autoInc insert (
+        owner,
+        repository,
+        issueId,
+        action,
+        loginUser,
+        content,
+        currentDate,
+        currentDate)
+
+  def updateIssue(owner: String, repository: String, issueId: Int,
+      title: String, content: Option[String]) =
+    Issues
+      .filter (_.byPrimaryKey(owner, repository, issueId))
+      .map { t =>
+        t.title ~ t.content.? ~ t.updatedDate
+      }
+      .update (title, content, currentDate)
+
+  def updateAssignedUserName(owner: String, repository: String, issueId: Int, assignedUserName: Option[String]) =
+    Issues.filter (_.byPrimaryKey(owner, repository, issueId)).map(_.assignedUserName?).update (assignedUserName)
+
+  def updateMilestoneId(owner: String, repository: String, issueId: Int, milestoneId: Option[Int]) =
+    Issues.filter (_.byPrimaryKey(owner, repository, issueId)).map(_.milestoneId?).update (milestoneId)
+
+  def updateComment(commentId: Int, content: String) =
+    IssueComments
+      .filter (_.byPrimaryKey(commentId))
+      .map { t =>
+        t.content ~ t.updatedDate
+      }
+      .update (content, currentDate)
+
+  def deleteComment(commentId: Int) =
+    IssueComments filter (_.byPrimaryKey(commentId)) delete
+
+  def updateClosed(owner: String, repository: String, issueId: Int, closed: Boolean) =
+    Issues
+      .filter (_.byPrimaryKey(owner, repository, issueId))
+      .map { t =>
+        t.closed ~ t.updatedDate
+      }
+      .update (closed, currentDate)
+
+  /**
+   * Search issues by keyword.
+   *
+   * @param owner the repository owner
+   * @param repository the repository name
+   * @param query the keywords separated by whitespace.
+   * @return issues with comment count and matched content of issue or comment
+   */
+  def searchIssuesByKeyword(owner: String, repository: String, query: String): List[(Issue, Int, String)] = {
+    import scala.slick.driver.H2Driver.likeEncode
+    val keywords = splitWords(query.toLowerCase)
+
+    // Search Issue
+    val issues = Issues
+      .innerJoin(IssueOutline).on { case (t1, t2) =>
+        t1.byIssue(t2.userName, t2.repositoryName, t2.issueId)
+      }
+      .filter { case (t1, t2) =>
+        keywords.map { keyword =>
+          (t1.title.toLowerCase   like (s"%${likeEncode(keyword)}%", '^')) ||
+          (t1.content.toLowerCase like (s"%${likeEncode(keyword)}%", '^'))
+        } .reduceLeft(_ && _)
+      }
+      .map { case (t1, t2) =>
+        (t1, 0, t1.content.?, t2.commentCount)
+      }
+
+    // Search IssueComment
+    val comments = IssueComments
+      .innerJoin(Issues).on { case (t1, t2) =>
+        t1.byIssue(t2.userName, t2.repositoryName, t2.issueId)
+      }
+      .innerJoin(IssueOutline).on { case ((t1, t2), t3) =>
+        t2.byIssue(t3.userName, t3.repositoryName, t3.issueId)
+      }
+      .filter { case ((t1, t2), t3) =>
+        keywords.map { query =>
+          t1.content.toLowerCase like (s"%${likeEncode(query)}%", '^')
+        }.reduceLeft(_ && _)
+      }
+      .map { case ((t1, t2), t3) =>
+        (t2, t1.commentId, t1.content.?, t3.commentCount)
+      }
+
+    issues.union(comments).sortBy { case (issue, commentId, _, _) =>
+      issue.issueId ~ commentId
+    }.list.splitWith { case ((issue1, _, _, _), (issue2, _, _, _)) =>
+      issue1.issueId == issue2.issueId
+    }.map { _.head match {
+        case (issue, _, content, commentCount) => (issue, commentCount, content.getOrElse(""))
+      }
+    }.toList
+  }
+
+}
+
+object IssuesService {
+  import javax.servlet.http.HttpServletRequest
+
+  val IssueLimit = 30
+
+  case class IssueSearchCondition(
+      labels: Set[String] = Set.empty,
+      milestoneId: Option[Option[Int]] = None,
+      repo: Option[String] = None,
+      state: String = "open",
+      sort: String = "created",
+      direction: String = "desc"){
+
+    def toURL: String =
+      "?" + List(
+        if(labels.isEmpty) None else Some("labels=" + urlEncode(labels.mkString(","))),
+        milestoneId.map { id => "milestone=" + (id match {
+          case Some(x) => x.toString
+          case None    => "none"
+        })},
+        repo.map("for="   + urlEncode(_)),
+        Some("state="     + urlEncode(state)),
+        Some("sort="      + urlEncode(sort)),
+        Some("direction=" + urlEncode(direction))).flatten.mkString("&")
+
+  }
+
+  object IssueSearchCondition {
+
+    private def param(request: HttpServletRequest, name: String, allow: Seq[String] = Nil): Option[String] = {
+      val value = request.getParameter(name)
+      if(value == null || value.isEmpty || (allow.nonEmpty && !allow.contains(value))) None else Some(value)
+    }
+
+    def apply(request: HttpServletRequest): IssueSearchCondition =
+      IssueSearchCondition(
+        param(request, "labels").map(_.split(",").toSet).getOrElse(Set.empty),
+        param(request, "milestone").map{
+          case "none" => None
+          case x      => x.toIntOpt
+        },
+        param(request, "for"),
+        param(request, "state",     Seq("open", "closed")).getOrElse("open"),
+        param(request, "sort",      Seq("created", "comments", "updated")).getOrElse("created"),
+        param(request, "direction", Seq("asc", "desc")).getOrElse("desc"))
+
+    def page(request: HttpServletRequest) = try {
+      val i = param(request, "page").getOrElse("1").toInt
+      if(i <= 0) 1 else i
+    } catch {
+      case e: NumberFormatException => 1
+    }
+  }
+
+}
--- a/src/main/scala/service/LabelsService.scala
+++ b/src/main/scala/service/LabelsService.scala
@@ -1,32 +1,26 @@
 package service

-import model.Profile._
-import profile.simple._
-import model.Label
+import scala.slick.driver.H2Driver.simple._
+import Database.threadLocalSession
+
+import model._

 trait LabelsService {

-  def getLabels(owner: String, repository: String)(implicit s: Session): List[Label] =
-    Labels.filter(_.byRepository(owner, repository)).sortBy(_.labelName asc).list
+  def getLabels(owner: String, repository: String): List[Label] =
+    Query(Labels).filter(_.byRepository(owner, repository)).sortBy(_.labelName asc).list

-  def getLabel(owner: String, repository: String, labelId: Int)(implicit s: Session): Option[Label] =
-    Labels.filter(_.byPrimaryKey(owner, repository, labelId)).firstOption
+  def getLabel(owner: String, repository: String, labelId: Int): Option[Label] =
+    Query(Labels).filter(_.byPrimaryKey(owner, repository, labelId)).firstOption

-  def createLabel(owner: String, repository: String, labelName: String, color: String)(implicit s: Session): Int =
-    Labels returning Labels.map(_.labelId) += Label(
-      userName       = owner,
-      repositoryName = repository,
-      labelName      = labelName,
-      color          = color
-    )
+  def createLabel(owner: String, repository: String, labelName: String, color: String): Unit =
+    Labels.ins insert (owner, repository, labelName, color)

-  def updateLabel(owner: String, repository: String, labelId: Int, labelName: String, color: String)
-                 (implicit s: Session): Unit =
-    Labels.filter(_.byPrimaryKey(owner, repository, labelId))
-          .map(t => t.labelName -> t.color)
-          .update(labelName, color)
+  def updateLabel(owner: String, repository: String, labelId: Int, labelName: String, color: String): Unit =
+    Labels.filter(_.byPrimaryKey(owner, repository, labelId)).map(t => t.labelName ~ t.color)
+      .update(labelName, color)

-  def deleteLabel(owner: String, repository: String, labelId: Int)(implicit s: Session): Unit = {
+  def deleteLabel(owner: String, repository: String, labelId: Int): Unit = {
    IssueLabels.filter(_.byLabel(owner, repository, labelId)).delete
    Labels.filter(_.byPrimaryKey(owner, repository, labelId)).delete
  }
--- a/src/main/scala/service/MilestonesService.scala
+++ b/src/main/scala/service/MilestonesService.scala
@@ -1,49 +1,39 @@
 package service

-import model.Profile._
-import profile.simple._
-import model.Milestone
-// TODO [Slick 2.0]NOT import directly?
-import model.Profile.dateColumnType
+import scala.slick.driver.H2Driver.simple._
+import Database.threadLocalSession
+
+import model._

 trait MilestonesService {

  def createMilestone(owner: String, repository: String, title: String, description: Option[String],
-                      dueDate: Option[java.util.Date])(implicit s: Session): Unit =
-    Milestones insert Milestone(
-      userName       = owner,
-      repositoryName = repository,
-      title          = title,
-      description    = description,
-      dueDate        = dueDate,
-      closedDate     = None
-    )
+                      dueDate: Option[java.util.Date]): Unit =
+    Milestones.ins insert (owner, repository, title, description, dueDate, None)

-  def updateMilestone(milestone: Milestone)(implicit s: Session): Unit =
+  def updateMilestone(milestone: Milestone): Unit =
    Milestones
-      .filter (t =>  t.byPrimaryKey(milestone.userName, milestone.repositoryName, milestone.milestoneId))
-      .map    (t => (t.title, t.description.?, t.dueDate.?, t.closedDate.?))
+      .filter (t => t.byPrimaryKey(milestone.userName, milestone.repositoryName, milestone.milestoneId))
+      .map    (t => t.title ~ t.description.? ~ t.dueDate.? ~ t.closedDate.?)
      .update (milestone.title, milestone.description, milestone.dueDate, milestone.closedDate)

-  def openMilestone(milestone: Milestone)(implicit s: Session): Unit =
-    updateMilestone(milestone.copy(closedDate = None))
+  def openMilestone(milestone: Milestone): Unit = updateMilestone(milestone.copy(closedDate = None))

-  def closeMilestone(milestone: Milestone)(implicit s: Session): Unit =
-    updateMilestone(milestone.copy(closedDate = Some(currentDate)))
+  def closeMilestone(milestone: Milestone): Unit = updateMilestone(milestone.copy(closedDate = Some(currentDate)))

-  def deleteMilestone(owner: String, repository: String, milestoneId: Int)(implicit s: Session): Unit = {
+  def deleteMilestone(owner: String, repository: String, milestoneId: Int): Unit = {
    Issues.filter(_.byMilestone(owner, repository, milestoneId)).map(_.milestoneId.?).update(None)
    Milestones.filter(_.byPrimaryKey(owner, repository, milestoneId)).delete
  }

-  def getMilestone(owner: String, repository: String, milestoneId: Int)(implicit s: Session): Option[Milestone] =
-    Milestones.filter(_.byPrimaryKey(owner, repository, milestoneId)).firstOption
+  def getMilestone(owner: String, repository: String, milestoneId: Int): Option[Milestone] =
+    Query(Milestones).filter(_.byPrimaryKey(owner, repository, milestoneId)).firstOption

-  def getMilestonesWithIssueCount(owner: String, repository: String)(implicit s: Session): List[(Milestone, Int, Int)] = {
+  def getMilestonesWithIssueCount(owner: String, repository: String): List[(Milestone, Int, Int)] = {
    val counts = Issues
-      .filter  { t => (t.byRepository(owner, repository)) && (t.milestoneId.? isDefined) }
-      .groupBy { t => t.milestoneId -> t.closed }
-      .map     { case (t1, t2) => t1._1 -> t1._2 -> t2.length }
+      .filter  { t => (t.byRepository(owner, repository)) && (t.milestoneId isNotNull) }
+      .groupBy { t => t.milestoneId ~ t.closed }
+      .map     { case (t1, t2) => (t1._1 ~ t1._2) -> t2.length }
      .toMap

    getMilestones(owner, repository).map { milestone =>
@@ -51,7 +41,6 @@ trait MilestonesService {
    }
  }

-  def getMilestones(owner: String, repository: String)(implicit s: Session): List[Milestone] =
-    Milestones.filter(_.byRepository(owner, repository)).sortBy(_.milestoneId asc).list
-
+  def getMilestones(owner: String, repository: String): List[Milestone] =
+    Query(Milestones).filter(_.byRepository(owner, repository)).sortBy(_.milestoneId asc).list
 }
--- a/src/main/scala/service/PluginService.scala
+++ b/src/main/scala/service/PluginService.scala
@@ -1,24 +0,0 @@
-package service
-
-import model.Profile._
-import profile.simple._
-import model.Plugin
-
-trait PluginService {
-
-  def getPlugins()(implicit s: Session): List[Plugin] =
-    Plugins.sortBy(_.pluginId).list
-
-  def registerPlugin(plugin: Plugin)(implicit s: Session): Unit =
-    Plugins.insert(plugin)
-
-  def updatePlugin(plugin: Plugin)(implicit s: Session): Unit =
-    Plugins.filter(_.pluginId === plugin.pluginId.bind).map(_.version).update(plugin.version)
-
-  def deletePlugin(pluginId: String)(implicit s: Session): Unit =
-    Plugins.filter(_.pluginId === pluginId.bind).delete
-
-  def getPlugin(pluginId: String)(implicit s: Session): Option[Plugin] =
-    Plugins.filter(_.pluginId === pluginId.bind).firstOption
-
-}
--- a/src/main/scala/service/PullRequestService.scala
+++ b/src/main/scala/service/PullRequestService.scala
@@ -1,63 +1,41 @@
 package service

-import model.Profile._
-import profile.simple._
-import model.{PullRequest, Issue}
+import scala.slick.driver.H2Driver.simple._
+import Database.threadLocalSession
+import model._
+import util.ControlUtil._

 trait PullRequestService { self: IssuesService =>
  import PullRequestService._

-  def getPullRequest(owner: String, repository: String, issueId: Int)
-                    (implicit s: Session): Option[(Issue, PullRequest)] =
+  def getPullRequest(owner: String, repository: String, issueId: Int): Option[(Issue, PullRequest)] =
    getIssue(owner, repository, issueId.toString).flatMap{ issue =>
-      PullRequests.filter(_.byPrimaryKey(owner, repository, issueId)).firstOption.map{
+      Query(PullRequests).filter(_.byPrimaryKey(owner, repository, issueId)).firstOption.map{
        pullreq => (issue, pullreq)
      }
    }

-  def updateCommitId(owner: String, repository: String, issueId: Int, commitIdTo: String, commitIdFrom: String)
-                    (implicit s: Session): Unit =
-    PullRequests.filter(_.byPrimaryKey(owner, repository, issueId))
-                .map(pr => pr.commitIdTo -> pr.commitIdFrom)
-                .update((commitIdTo, commitIdFrom))
+  def updateCommitIdTo(owner: String, repository: String, issueId: Int, commitIdTo: String): Unit =
+    Query(PullRequests).filter(_.byPrimaryKey(owner, repository, issueId)).map(_.commitIdTo).update(commitIdTo)

-  def getPullRequestCountGroupByUser(closed: Boolean, owner: Option[String], repository: Option[String])
-                                    (implicit s: Session): List[PullRequestCount] =
-    PullRequests
+  def getPullRequestCountGroupByUser(closed: Boolean, owner: String, repository: Option[String]): List[PullRequestCount] =
+    Query(PullRequests)
      .innerJoin(Issues).on { (t1, t2) => t1.byPrimaryKey(t2.userName, t2.repositoryName, t2.issueId) }
      .filter { case (t1, t2) =>
-        (t2.closed         === closed.bind) &&
-        (t1.userName       === owner.get.bind, owner.isDefined) &&
-        (t1.repositoryName === repository.get.bind, repository.isDefined)
+        (t2.closed         is closed.bind) &&
+        (t1.userName       is owner.bind) &&
+        (t1.repositoryName is repository.get.bind, repository.isDefined)
      }
      .groupBy { case (t1, t2) => t2.openedUserName }
-      .map { case (userName, t) => userName -> t.length }
-      .sortBy(_._2 desc)
-      .list
-      .map { x => PullRequestCount(x._1, x._2) }
-
-  def getAllPullRequestCountGroupByUser(closed: Boolean, userName: String)(implicit s: Session): List[PullRequestCount] =
-    PullRequests
-      .innerJoin(Issues).on { (t1, t2) => t1.byPrimaryKey(t2.userName, t2.repositoryName, t2.issueId) }
-      .innerJoin(Repositories).on { case ((t1, t2), t3) => t2.byRepository(t3.userName, t3.repositoryName) }
-      .filter { case ((t1, t2), t3) =>
-        (t2.closed === closed.bind) &&
-          (
-            (t3.isPrivate === false.bind) ||
-            (t3.userName  === userName.bind) ||
-            (Collaborators.filter { t4 => t4.byRepository(t3.userName, t3.repositoryName) && (t4.collaboratorName === userName.bind)} exists)
-          )
-      }
-      .groupBy { case ((t1, t2), t3) => t2.openedUserName }
-      .map { case (userName, t) => userName -> t.length }
+      .map { case (userName, t) => userName ~ t.length }
      .sortBy(_._2 desc)
      .list
      .map { x => PullRequestCount(x._1, x._2) }

  def createPullRequest(originUserName: String, originRepositoryName: String, issueId: Int,
        originBranch: String, requestUserName: String, requestRepositoryName: String, requestBranch: String,
-        commitIdFrom: String, commitIdTo: String)(implicit s: Session): Unit =
-    PullRequests insert PullRequest(
+        commitIdFrom: String, commitIdTo: String): Unit =
+    PullRequests insert (PullRequest(
      originUserName,
      originRepositoryName,
      issueId,
@@ -66,17 +44,16 @@ trait PullRequestService { self: IssuesService =>
      requestRepositoryName,
      requestBranch,
      commitIdFrom,
-      commitIdTo)
+      commitIdTo))

-  def getPullRequestsByRequest(userName: String, repositoryName: String, branch: String, closed: Boolean)
-                              (implicit s: Session): List[PullRequest] =
-    PullRequests
+  def getPullRequestsByRequest(userName: String, repositoryName: String, branch: String, closed: Boolean): List[PullRequest] =
+    Query(PullRequests)
      .innerJoin(Issues).on { (t1, t2) => t1.byPrimaryKey(t2.userName, t2.repositoryName, t2.issueId) }
      .filter { case (t1, t2) =>
-        (t1.requestUserName       === userName.bind) &&
-        (t1.requestRepositoryName === repositoryName.bind) &&
-        (t1.requestBranch         === branch.bind) &&
-        (t2.closed                === closed.bind)
+        (t1.requestUserName       is userName.bind) &&
+        (t1.requestRepositoryName is repositoryName.bind) &&
+        (t1.requestBranch         is branch.bind) &&
+        (t2.closed                is closed.bind)
      }
      .map { case (t1, t2) => t1 }
      .list
--- a/src/main/scala/service/RepositorySearchService.scala
+++ b/src/main/scala/service/RepositorySearchService.scala
@@ -3,20 +3,21 @@ package service
 import util.{FileUtil, StringUtil, JGitUtil}
 import util.Directory._
 import util.ControlUtil._
+import model.Issue
 import org.eclipse.jgit.revwalk.RevWalk
 import org.eclipse.jgit.treewalk.TreeWalk
+import scala.collection.mutable.ListBuffer
 import org.eclipse.jgit.lib.FileMode
 import org.eclipse.jgit.api.Git
-import model.Profile._
-import profile.simple._

-trait RepositorySearchService { self: IssuesService =>
+trait
+RepositorySearchService { self: IssuesService =>
  import RepositorySearchService._

-  def countIssues(owner: String, repository: String, query: String)(implicit session: Session): Int =
+  def countIssues(owner: String, repository: String, query: String): Int =
    searchIssuesByKeyword(owner, repository, query).length

-  def searchIssues(owner: String, repository: String, query: String)(implicit session: Session): List[IssueSearchResult] =
+  def searchIssues(owner: String, repository: String, query: String): List[IssueSearchResult] =
    searchIssuesByKeyword(owner, repository, query).map { case (issue, commentCount, content) =>
      IssueSearchResult(
        issue.issueId,
@@ -38,7 +39,7 @@ trait RepositorySearchService { self: IssuesService =>
        Nil
      } else {
        val files = searchRepositoryFiles(git, query)
-        val commits = JGitUtil.getLatestCommitFromPaths(git, files.map(_._1), "HEAD")
+        val commits = JGitUtil.getLatestCommitFromPaths(git, files.toList.map(_._1), "HEAD")
        files.map { case (path, text) =>
          val (highlightText, lineNumber)  = getHighlightText(text, query)
          FileSearchResult(
@@ -59,12 +60,11 @@ trait RepositorySearchService { self: IssuesService =>
    treeWalk.addTree(revCommit.getTree)

    val keywords = StringUtil.splitWords(query.toLowerCase)
-    val list = new scala.collection.mutable.ListBuffer[(String, String)]
+    val list = new ListBuffer[(String, String)]

    while (treeWalk.next()) {
-      val mode = treeWalk.getFileMode(0)
-      if(mode == FileMode.REGULAR_FILE || mode == FileMode.EXECUTABLE_FILE){
-        JGitUtil.getContentFromId(git, treeWalk.getObjectId(0), false).foreach { bytes =>
+      if(treeWalk.getFileMode(0) != FileMode.TREE){
+        JGitUtil.getContent(git, treeWalk.getObjectId(0), false).foreach { bytes =>
          if(FileUtil.isText(bytes)){
            val text      = StringUtil.convertFromByteArray(bytes)
            val lowerText = text.toLowerCase
@@ -107,7 +107,7 @@ object RepositorySearchService {

  case class SearchResult(
    files : List[(String, String)],
-    issues: List[(model.Issue, Int, String)])
+    issues: List[(Issue, Int, String)])

  case class IssueSearchResult(
    issueId: Int,
--- a/src/main/scala/service/RepositoryService.scala
+++ b/src/main/scala/service/RepositoryService.scala
@@ -1,8 +1,8 @@
 package service

-import model.Profile._
-import profile.simple._
-import model.{Repository, Account, Collaborator}
+import model._
+import scala.slick.driver.H2Driver.simple._
+import Database.threadLocalSession
 import util.JGitUtil

 trait RepositoryService { self: AccountService =>
@@ -20,8 +20,7 @@ trait RepositoryService { self: AccountService =>
   */
  def createRepository(repositoryName: String, userName: String, description: Option[String], isPrivate: Boolean,
                       originRepositoryName: Option[String] = None, originUserName: Option[String] = None,
-                       parentRepositoryName: Option[String] = None, parentUserName: Option[String] = None)
-                      (implicit s: Session): Unit = {
+                       parentRepositoryName: Option[String] = None, parentUserName: Option[String] = None): Unit = {
    Repositories insert
      Repository(
        userName             = userName,
@@ -40,83 +39,70 @@ trait RepositoryService { self: AccountService =>
    IssueId insert (userName, repositoryName, 0)
  }

-  def renameRepository(oldUserName: String, oldRepositoryName: String, newUserName: String, newRepositoryName: String)
-                      (implicit s: Session): Unit = {
-    getAccountByUserName(newUserName).foreach { account =>
-      (Repositories filter { t => t.byRepository(oldUserName, oldRepositoryName) } firstOption).map { repository =>
-        Repositories insert repository.copy(userName = newUserName, repositoryName = newRepositoryName)
+  def renameRepository(oldUserName: String, oldRepositoryName: String, newUserName: String, newRepositoryName: String): Unit = {
+    (Query(Repositories) filter { t => t.byRepository(oldUserName, oldRepositoryName) } firstOption).map { repository =>
+      Repositories insert repository.copy(userName = newUserName, repositoryName = newRepositoryName)

-        val webHooks      = WebHooks     .filter(_.byRepository(oldUserName, oldRepositoryName)).list
-        val milestones    = Milestones   .filter(_.byRepository(oldUserName, oldRepositoryName)).list
-        val issueId       = IssueId      .filter(_.byRepository(oldUserName, oldRepositoryName)).list
-        val issues        = Issues       .filter(_.byRepository(oldUserName, oldRepositoryName)).list
-        val pullRequests  = PullRequests .filter(_.byRepository(oldUserName, oldRepositoryName)).list
-        val labels        = Labels       .filter(_.byRepository(oldUserName, oldRepositoryName)).list
-        val issueComments = IssueComments.filter(_.byRepository(oldUserName, oldRepositoryName)).list
-        val issueLabels   = IssueLabels  .filter(_.byRepository(oldUserName, oldRepositoryName)).list
-        val activities    = Activities   .filter(_.byRepository(oldUserName, oldRepositoryName)).list
-        val collaborators = Collaborators.filter(_.byRepository(oldUserName, oldRepositoryName)).list
+      val webHooks      = Query(WebHooks     ).filter(_.byRepository(oldUserName, oldRepositoryName)).list
+      val milestones    = Query(Milestones   ).filter(_.byRepository(oldUserName, oldRepositoryName)).list
+      val issueId       = Query(IssueId      ).filter(_.byRepository(oldUserName, oldRepositoryName)).list
+      val issues        = Query(Issues       ).filter(_.byRepository(oldUserName, oldRepositoryName)).list
+      val pullRequests  = Query(PullRequests ).filter(_.byRepository(oldUserName, oldRepositoryName)).list
+      val labels        = Query(Labels       ).filter(_.byRepository(oldUserName, oldRepositoryName)).list
+      val issueComments = Query(IssueComments).filter(_.byRepository(oldUserName, oldRepositoryName)).list
+      val issueLabels   = Query(IssueLabels  ).filter(_.byRepository(oldUserName, oldRepositoryName)).list
+      val collaborators = Query(Collaborators).filter(_.byRepository(oldUserName, oldRepositoryName)).list
+      val commitLog     = Query(CommitLog    ).filter(_.byRepository(oldUserName, oldRepositoryName)).list
+      val activities    = Query(Activities   ).filter(_.byRepository(oldUserName, oldRepositoryName)).list

-        Repositories.filter { t =>
-          (t.originUserName === oldUserName.bind) && (t.originRepositoryName === oldRepositoryName.bind)
-        }.map { t => t.originUserName -> t.originRepositoryName }.update(newUserName, newRepositoryName)
+      Repositories.filter { t =>
+        (t.originUserName is oldUserName.bind) && (t.originRepositoryName is oldRepositoryName.bind)
+      }.map { t => t.originUserName ~ t.originRepositoryName }.update(newUserName, newRepositoryName)

-        Repositories.filter { t =>
-          (t.parentUserName === oldUserName.bind) && (t.parentRepositoryName === oldRepositoryName.bind)
-        }.map { t => t.originUserName -> t.originRepositoryName }.update(newUserName, newRepositoryName)
+      Repositories.filter { t =>
+        (t.parentUserName is oldUserName.bind) && (t.parentRepositoryName is oldRepositoryName.bind)
+      }.map { t => t.originUserName ~ t.originRepositoryName }.update(newUserName, newRepositoryName)

-        PullRequests.filter { t =>
-          t.requestRepositoryName === oldRepositoryName.bind
-        }.map { t => t.requestUserName -> t.requestRepositoryName }.update(newUserName, newRepositoryName)
+      PullRequests.filter { t =>
+        t.requestRepositoryName is oldRepositoryName.bind
+      }.map { t => t.requestUserName ~ t.requestRepositoryName }.update(newUserName, newRepositoryName)

-        deleteRepository(oldUserName, oldRepositoryName)
+      deleteRepository(oldUserName, oldRepositoryName)

-        WebHooks      .insertAll(webHooks      .map(_.copy(userName = newUserName, repositoryName = newRepositoryName)) :_*)
-        Milestones    .insertAll(milestones    .map(_.copy(userName = newUserName, repositoryName = newRepositoryName)) :_*)
-        IssueId       .insertAll(issueId       .map(_.copy(_1       = newUserName, _2             = newRepositoryName)) :_*)
+      WebHooks      .insertAll(webHooks      .map(_.copy(userName = newUserName, repositoryName = newRepositoryName)) :_*)
+      Milestones    .insertAll(milestones    .map(_.copy(userName = newUserName, repositoryName = newRepositoryName)) :_*)
+      IssueId       .insertAll(issueId       .map(_.copy(_1       = newUserName, _2             = newRepositoryName)) :_*)
+      Issues        .insertAll(issues        .map(_.copy(userName = newUserName, repositoryName = newRepositoryName)) :_*)
+      PullRequests  .insertAll(pullRequests  .map(_.copy(userName = newUserName, repositoryName = newRepositoryName)) :_*)
+      IssueComments .insertAll(issueComments .map(_.copy(userName = newUserName, repositoryName = newRepositoryName)) :_*)
+      Labels        .insertAll(labels        .map(_.copy(userName = newUserName, repositoryName = newRepositoryName)) :_*)
+      IssueLabels   .insertAll(issueLabels   .map(_.copy(userName = newUserName, repositoryName = newRepositoryName)) :_*)
+      Collaborators .insertAll(collaborators .map(_.copy(userName = newUserName, repositoryName = newRepositoryName)) :_*)
+      CommitLog     .insertAll(commitLog     .map(_.copy(_1       = newUserName, _2             = newRepositoryName)) :_*)
+      Activities    .insertAll(activities    .map(_.copy(userName = newUserName, repositoryName = newRepositoryName)) :_*)

-        val newMilestones = Milestones.filter(_.byRepository(newUserName, newRepositoryName)).list
-        Issues.insertAll(issues.map { x => x.copy(
-          userName       = newUserName,
-          repositoryName = newRepositoryName,
-          milestoneId    = x.milestoneId.map { id =>
-            newMilestones.find(_.title == milestones.find(_.milestoneId == id).get.title).get.milestoneId
-          }
-        )} :_*)
+      // Update activity messages
+      val updateActivities = Activities.filter { t =>
+        (t.message like s"%:${oldUserName}/${oldRepositoryName}]%") ||
+        (t.message like s"%:${oldUserName}/${oldRepositoryName}#%")
+      }.map { t => t.activityId ~ t.message }.list

-        PullRequests  .insertAll(pullRequests  .map(_.copy(userName = newUserName, repositoryName = newRepositoryName)) :_*)
-        IssueComments .insertAll(issueComments .map(_.copy(userName = newUserName, repositoryName = newRepositoryName)) :_*)
-        Labels        .insertAll(labels        .map(_.copy(userName = newUserName, repositoryName = newRepositoryName)) :_*)
-        IssueLabels   .insertAll(issueLabels   .map(_.copy(userName = newUserName, repositoryName = newRepositoryName)) :_*)
-        Activities    .insertAll(activities    .map(_.copy(userName = newUserName, repositoryName = newRepositoryName)) :_*)
-        if(account.isGroupAccount){
-          Collaborators.insertAll(getGroupMembers(newUserName).map(m => Collaborator(newUserName, newRepositoryName, m.userName)) :_*)
-        } else {
-          Collaborators.insertAll(collaborators.map(_.copy(userName = newUserName, repositoryName = newRepositoryName)) :_*)
-        }
-
-        // Update activity messages
-        val updateActivities = Activities.filter { t =>
-          (t.message like s"%:${oldUserName}/${oldRepositoryName}]%") ||
-          (t.message like s"%:${oldUserName}/${oldRepositoryName}#%")
-        }.map { t => t.activityId -> t.message }.list
-
-        updateActivities.foreach { case (activityId, message) =>
-          Activities.filter(_.activityId === activityId.bind).map(_.message).update(
-            message
-              .replace(s"[repo:${oldUserName}/${oldRepositoryName}]"   ,s"[repo:${newUserName}/${newRepositoryName}]")
-              .replace(s"[branch:${oldUserName}/${oldRepositoryName}#" ,s"[branch:${newUserName}/${newRepositoryName}#")
-              .replace(s"[tag:${oldUserName}/${oldRepositoryName}#"    ,s"[tag:${newUserName}/${newRepositoryName}#")
-              .replace(s"[pullreq:${oldUserName}/${oldRepositoryName}#",s"[pullreq:${newUserName}/${newRepositoryName}#")
-              .replace(s"[issue:${oldUserName}/${oldRepositoryName}#"  ,s"[issue:${newUserName}/${newRepositoryName}#")
-          )
-        }
+      updateActivities.foreach { case (activityId, message) =>
+        Activities.filter(_.activityId is activityId.bind).map(_.message).update(
+          message
+            .replace(s"[repo:${oldUserName}/${oldRepositoryName}]"   ,s"[repo:${newUserName}/${newRepositoryName}]")
+            .replace(s"[branch:${oldUserName}/${oldRepositoryName}#" ,s"[branch:${newUserName}/${newRepositoryName}#")
+            .replace(s"[tag:${oldUserName}/${oldRepositoryName}#"    ,s"[tag:${newUserName}/${newRepositoryName}#")
+            .replace(s"[pullreq:${oldUserName}/${oldRepositoryName}#",s"[pullreq:${newUserName}/${newRepositoryName}#")
+            .replace(s"[issue:${oldUserName}/${oldRepositoryName}#"  ,s"[issue:${newUserName}/${newRepositoryName}#")
+        )
      }
    }
  }

-  def deleteRepository(userName: String, repositoryName: String)(implicit s: Session): Unit = {
+  def deleteRepository(userName: String, repositoryName: String): Unit = {
    Activities    .filter(_.byRepository(userName, repositoryName)).delete
+    CommitLog     .filter(_.byRepository(userName, repositoryName)).delete
    Collaborators .filter(_.byRepository(userName, repositoryName)).delete
    IssueLabels   .filter(_.byRepository(userName, repositoryName)).delete
    Labels        .filter(_.byRepository(userName, repositoryName)).delete
@@ -135,8 +121,8 @@ trait RepositoryService { self: AccountService =>
   * @param userName the user name of repository owner
   * @return the list of repository names
   */
-  def getRepositoryNamesOfUser(userName: String)(implicit s: Session): List[String] =
-    Repositories filter(_.userName === userName.bind) map (_.repositoryName) list
+  def getRepositoryNamesOfUser(userName: String): List[String] =
+    Query(Repositories) filter(_.userName is userName.bind) map (_.repositoryName) list

  /**
   * Returns the specified repository information.
@@ -146,11 +132,11 @@ trait RepositoryService { self: AccountService =>
   * @param baseUrl the base url of this application
   * @return the repository information
   */
-  def getRepository(userName: String, repositoryName: String, baseUrl: String)(implicit s: Session): Option[RepositoryInfo] = {
-    (Repositories filter { t => t.byRepository(userName, repositoryName) } firstOption) map { repository =>
+  def getRepository(userName: String, repositoryName: String, baseUrl: String): Option[RepositoryInfo] = {
+    (Query(Repositories) filter { t => t.byRepository(userName, repositoryName) } firstOption) map { repository =>
      // for getting issue count and pull request count
-      val issues = Issues.filter { t =>
-        t.byRepository(repository.userName, repository.repositoryName) && (t.closed === false.bind)
+      val issues = Query(Issues).filter { t =>
+        t.byRepository(repository.userName, repository.repositoryName) && (t.closed is false.bind)
      }.map(_.pullRequest).list

      new RepositoryInfo(
@@ -161,46 +147,22 @@ trait RepositoryService { self: AccountService =>
        getForkedCount(
          repository.originUserName.getOrElse(repository.userName),
          repository.originRepositoryName.getOrElse(repository.repositoryName)
-        ),
-        getRepositoryManagers(repository.userName))
+        ))
    }
  }

-  /**
-   * Returns the repositories without private repository that user does not have access right.
-   * Include public repository, private own repository and private but collaborator repository.
-   *
-   * @param userName the user name of collaborator
-   * @return the repository infomation list
-   */
-  def getAllRepositories(userName: String)(implicit s: Session): List[(String, String)] = {
-    Repositories.filter { t1 =>
-      (t1.isPrivate === false.bind) ||
-      (t1.userName  === userName.bind) ||
-      (Collaborators.filter { t2 => t2.byRepository(t1.userName, t1.repositoryName) && (t2.collaboratorName === userName.bind)} exists)
-    }.sortBy(_.lastActivityDate desc).map{ t =>
-      (t.userName, t.repositoryName)
-    }.list
-  }
-
-  def getUserRepositories(userName: String, baseUrl: String, withoutPhysicalInfo: Boolean = false)
-                         (implicit s: Session): List[RepositoryInfo] = {
-    Repositories.filter { t1 =>
-      (t1.userName === userName.bind) ||
-        (Collaborators.filter { t2 => t2.byRepository(t1.userName, t1.repositoryName) && (t2.collaboratorName === userName.bind)} exists)
+  def getUserRepositories(userName: String, baseUrl: String): List[RepositoryInfo] = {
+    Query(Repositories).filter { t1 =>
+      (t1.userName is userName.bind) ||
+        (Query(Collaborators).filter { t2 => t2.byRepository(t1.userName, t1.repositoryName) && (t2.collaboratorName is userName.bind)} exists)
    }.sortBy(_.lastActivityDate desc).list.map{ repository =>
      new RepositoryInfo(
-        if(withoutPhysicalInfo){
-          new JGitUtil.RepositoryInfo(repository.userName, repository.repositoryName, baseUrl)
-        } else {
-          JGitUtil.getRepositoryInfo(repository.userName, repository.repositoryName, baseUrl)
-        },
+        JGitUtil.getRepositoryInfo(repository.userName, repository.repositoryName, baseUrl),
        repository,
        getForkedCount(
          repository.originUserName.getOrElse(repository.userName),
          repository.originRepositoryName.getOrElse(repository.repositoryName)
-        ),
-        getRepositoryManagers(repository.userName))
+        ))
    }
  }

@@ -211,61 +173,45 @@ trait RepositoryService { self: AccountService =>
   * @param loginAccount the logged in account
   * @param baseUrl the base url of this application
   * @param repositoryUserName the repository owner (if None then returns all repositories which are visible for logged in user)
-   * @param withoutPhysicalInfo if true then the result does not include physical repository information such as commit count,
-   *                            branches and tags
   * @return the repository information which is sorted in descending order of lastActivityDate.
   */
-  def getVisibleRepositories(loginAccount: Option[Account], baseUrl: String, repositoryUserName: Option[String] = None,
-                             withoutPhysicalInfo: Boolean = false)
-                            (implicit s: Session): List[RepositoryInfo] = {
+  def getVisibleRepositories(loginAccount: Option[Account], baseUrl: String, repositoryUserName: Option[String] = None): List[RepositoryInfo] = {
    (loginAccount match {
      // for Administrators
-      case Some(x) if(x.isAdmin) => Repositories
+      case Some(x) if(x.isAdmin) => Query(Repositories)
      // for Normal Users
      case Some(x) if(!x.isAdmin) =>
-        Repositories filter { t => (t.isPrivate === false.bind) || (t.userName === x.userName) ||
-          (Collaborators.filter { t2 => t2.byRepository(t.userName, t.repositoryName) && (t2.collaboratorName === x.userName.bind)} exists)
+        Query(Repositories) filter { t => (t.isPrivate is false.bind) || (t.userName is x.userName) ||
+          (Query(Collaborators).filter { t2 => t2.byRepository(t.userName, t.repositoryName) && (t2.collaboratorName is x.userName.bind)} exists)
        }
      // for Guests
-      case None => Repositories filter(_.isPrivate === false.bind)
+      case None => Query(Repositories) filter(_.isPrivate is false.bind)
    }).filter { t =>
-      repositoryUserName.map { userName => t.userName === userName.bind } getOrElse LiteralColumn(true)
+      repositoryUserName.map { userName => t.userName is userName.bind } getOrElse ConstColumn.TRUE
    }.sortBy(_.lastActivityDate desc).list.map{ repository =>
      new RepositoryInfo(
-        if(withoutPhysicalInfo){
-          new JGitUtil.RepositoryInfo(repository.userName, repository.repositoryName, baseUrl)
-        } else {
-          JGitUtil.getRepositoryInfo(repository.userName, repository.repositoryName, baseUrl)
-        },
+        JGitUtil.getRepositoryInfo(repository.userName, repository.repositoryName, baseUrl),
        repository,
        getForkedCount(
          repository.originUserName.getOrElse(repository.userName),
          repository.originRepositoryName.getOrElse(repository.repositoryName)
-        ),
-        getRepositoryManagers(repository.userName))
+        ))
    }
  }

-  private def getRepositoryManagers(userName: String)(implicit s: Session): Seq[String] =
-    if(getAccountByUserName(userName).exists(_.isGroupAccount)){
-      getGroupMembers(userName).collect { case x if(x.isManager) => x.userName }
-    } else {
-      Seq(userName)
-    }
-
  /**
   * Updates the last activity date of the repository.
   */
-  def updateLastActivityDate(userName: String, repositoryName: String)(implicit s: Session): Unit =
+  def updateLastActivityDate(userName: String, repositoryName: String): Unit =
    Repositories.filter(_.byRepository(userName, repositoryName)).map(_.lastActivityDate).update(currentDate)
-
+  
  /**
   * Save repository options.
   */
  def saveRepositoryOptions(userName: String, repositoryName: String, 
-      description: Option[String], defaultBranch: String, isPrivate: Boolean)(implicit s: Session): Unit =
+      description: Option[String], defaultBranch: String, isPrivate: Boolean): Unit =
    Repositories.filter(_.byRepository(userName, repositoryName))
-      .map { r => (r.description.?, r.defaultBranch, r.isPrivate, r.updatedDate) }
+      .map { r => r.description.? ~ r.defaultBranch ~ r.isPrivate ~ r.updatedDate }
      .update (description, defaultBranch, isPrivate, currentDate)

  /**
@@ -275,8 +221,8 @@ trait RepositoryService { self: AccountService =>
   * @param repositoryName the repository name
   * @param collaboratorName the collaborator name
   */
-  def addCollaborator(userName: String, repositoryName: String, collaboratorName: String)(implicit s: Session): Unit =
-    Collaborators insert Collaborator(userName, repositoryName, collaboratorName)
+  def addCollaborator(userName: String, repositoryName: String, collaboratorName: String): Unit =
+    Collaborators insert(Collaborator(userName, repositoryName, collaboratorName))

  /**
   * Remove collaborator from the repository.
@@ -285,7 +231,7 @@ trait RepositoryService { self: AccountService =>
   * @param repositoryName the repository name
   * @param collaboratorName the collaborator name
   */
-  def removeCollaborator(userName: String, repositoryName: String, collaboratorName: String)(implicit s: Session): Unit =
+  def removeCollaborator(userName: String, repositoryName: String, collaboratorName: String): Unit =
    Collaborators.filter(_.byPrimaryKey(userName, repositoryName, collaboratorName)).delete

  /**
@@ -294,7 +240,7 @@ trait RepositoryService { self: AccountService =>
   * @param userName the user name of the repository owner
   * @param repositoryName the repository name
   */
-  def removeCollaborators(userName: String, repositoryName: String)(implicit s: Session): Unit =
+  def removeCollaborators(userName: String, repositoryName: String): Unit =
    Collaborators.filter(_.byRepository(userName, repositoryName)).delete

  /**
@@ -304,10 +250,10 @@ trait RepositoryService { self: AccountService =>
   * @param repositoryName the repository name
   * @return the list of collaborators name
   */
-  def getCollaborators(userName: String, repositoryName: String)(implicit s: Session): List[String] =
-    Collaborators.filter(_.byRepository(userName, repositoryName)).sortBy(_.collaboratorName).map(_.collaboratorName).list
+  def getCollaborators(userName: String, repositoryName: String): List[String] =
+    Query(Collaborators).filter(_.byRepository(userName, repositoryName)).sortBy(_.collaboratorName).map(_.collaboratorName).list

-  def hasWritePermission(owner: String, repository: String, loginAccount: Option[Account])(implicit s: Session): Boolean = {
+  def hasWritePermission(owner: String, repository: String, loginAccount: Option[Account]): Boolean = {
    loginAccount match {
      case Some(a) if(a.isAdmin) => true
      case Some(a) if(a.userName == owner) => true
@@ -316,41 +262,37 @@ trait RepositoryService { self: AccountService =>
    }
  }

-  private def getForkedCount(userName: String, repositoryName: String)(implicit s: Session): Int =
+  private def getForkedCount(userName: String, repositoryName: String): Int =
    Query(Repositories.filter { t =>
-      (t.originUserName === userName.bind) && (t.originRepositoryName === repositoryName.bind)
+      (t.originUserName is userName.bind) && (t.originRepositoryName is repositoryName.bind)
    }.length).first


-  def getForkedRepositories(userName: String, repositoryName: String)(implicit s: Session): List[(String, String)] =
-    Repositories.filter { t =>
-      (t.originUserName === userName.bind) && (t.originRepositoryName === repositoryName.bind)
+  def getForkedRepositories(userName: String, repositoryName: String): List[(String, String)] =
+    Query(Repositories).filter { t =>
+      (t.originUserName is userName.bind) && (t.originRepositoryName is repositoryName.bind)
    }
-    .sortBy(_.userName asc).map(t => t.userName -> t.repositoryName).list
+    .sortBy(_.userName asc).map(t => t.userName ~ t.repositoryName).list

 }

 object RepositoryService {

-  case class RepositoryInfo(owner: String, name: String, httpUrl: String, repository: Repository,
+  case class RepositoryInfo(owner: String, name: String, url: String, repository: Repository,
    issueCount: Int, pullCount: Int, commitCount: Int, forkedCount: Int,
-    branchList: Seq[String], tags: Seq[util.JGitUtil.TagInfo], managers: Seq[String]){
-
-    lazy val host = """^https?://(.+?)(:\d+)?/""".r.findFirstMatchIn(httpUrl).get.group(1)
-
-    def sshUrl(port: Int, userName: String) = s"ssh://${userName}@${host}:${port}/${owner}/${name}.git"
+    branchList: List[String], tags: List[util.JGitUtil.TagInfo]){

    /**
     * Creates instance with issue count and pull request count.
     */
-    def this(repo: JGitUtil.RepositoryInfo, model: Repository, issueCount: Int, pullCount: Int, forkedCount: Int, managers: Seq[String]) =
-      this(repo.owner, repo.name, repo.url, model, issueCount, pullCount, repo.commitCount, forkedCount, repo.branchList, repo.tags, managers)
+    def this(repo: JGitUtil.RepositoryInfo, model: Repository, issueCount: Int, pullCount: Int, forkedCount: Int) =
+      this(repo.owner, repo.name, repo.url, model, issueCount, pullCount, repo.commitCount, forkedCount, repo.branchList, repo.tags)

    /**
     * Creates instance without issue count and pull request count.
     */
-    def this(repo: JGitUtil.RepositoryInfo, model: Repository, forkedCount: Int, managers: Seq[String]) =
-      this(repo.owner, repo.name, repo.url, model, 0, 0, repo.commitCount, forkedCount, repo.branchList, repo.tags, managers)
+    def this(repo: JGitUtil.RepositoryInfo, model: Repository, forkedCount: Int) =
+      this(repo.owner, repo.name, repo.url, model, 0, 0, repo.commitCount, forkedCount, repo.branchList, repo.tags)
  }

  case class RepositoryTreeNode(owner: String, name: String, children: List[RepositoryTreeNode])
--- a/src/main/scala/service/RequestCache.scala
+++ b/src/main/scala/service/RequestCache.scala
@@ -1,7 +1,7 @@
 package service

-import model.{Account, Issue, Session}
-import util.Implicits.request2Session
+import model._
+import service.SystemSettingsService.SystemSettings

 /**
 * This service is used for a view helper mainly.
@@ -9,29 +9,29 @@ import util.Implicits.request2Session
 * It may be called many times in one request, so each method stores
 * its result into the cache which available during a request.
 */
-trait RequestCache extends SystemSettingsService with AccountService with IssuesService {
+trait RequestCache {

-  private implicit def context2Session(implicit context: app.Context): Session =
-    request2Session(context.request)
+  def getSystemSettings()(implicit context: app.Context): SystemSettings =
+    context.cache("system_settings"){
+      new SystemSettingsService {}.loadSystemSettings()
+    }

-  def getIssue(userName: String, repositoryName: String, issueId: String)
-              (implicit context: app.Context): Option[Issue] = {
+  def getIssue(userName: String, repositoryName: String, issueId: String)(implicit context: app.Context): Option[Issue] = {
    context.cache(s"issue.${userName}/${repositoryName}#${issueId}"){
-      super.getIssue(userName, repositoryName, issueId)
+      new IssuesService {}.getIssue(userName, repositoryName, issueId)
    }
  }

-  def getAccountByUserName(userName: String)
-                          (implicit context: app.Context): Option[Account] = {
+  def getAccountByUserName(userName: String)(implicit context: app.Context): Option[Account] = {
    context.cache(s"account.${userName}"){
-      super.getAccountByUserName(userName)
+      new AccountService {}.getAccountByUserName(userName)
    }
  }

-  def getAccountByMailAddress(mailAddress: String)
-                             (implicit context: app.Context): Option[Account] = {
+  def getAccountByMailAddress(mailAddress: String)(implicit context: app.Context): Option[Account] = {
    context.cache(s"account.${mailAddress}"){
-      super.getAccountByMailAddress(mailAddress)
+      new AccountService {}.getAccountByMailAddress(mailAddress)
    }
  }
 }
+
--- a/src/main/scala/service/SshKeyService.scala
+++ b/src/main/scala/service/SshKeyService.scala
@@ -1,18 +0,0 @@
-package service
-
-import model.Profile._
-import profile.simple._
-import model.SshKey
-
-trait SshKeyService {
-
-  def addPublicKey(userName: String, title: String, publicKey: String)(implicit s: Session): Unit =
-    SshKeys insert SshKey(userName = userName, title = title, publicKey = publicKey)
-
-  def getPublicKeys(userName: String)(implicit s: Session): List[SshKey] =
-    SshKeys.filter(_.userName === userName.bind).sortBy(_.sshKeyId).list
-
-  def deletePublicKey(userName: String, sshKeyId: Int)(implicit s: Session): Unit =
-    SshKeys filter (_.byPrimaryKey(userName, sshKeyId)) delete
-
-}
--- a/src/main/scala/service/SystemSettingsService.scala
+++ b/src/main/scala/service/SystemSettingsService.scala
@@ -1,197 +1,175 @@
-package service
-
-import util.Directory._
-import util.ControlUtil._
-import SystemSettingsService._
-import javax.servlet.http.HttpServletRequest
-
-trait SystemSettingsService {
-
-  def baseUrl(implicit request: HttpServletRequest): String = loadSystemSettings().baseUrl(request)
-
-  def saveSystemSettings(settings: SystemSettings): Unit = {
-    defining(new java.util.Properties()){ props =>
-      settings.baseUrl.foreach(x => props.setProperty(BaseURL, x.replaceFirst("/\\Z", "")))
-      props.setProperty(AllowAccountRegistration, settings.allowAccountRegistration.toString)
-      props.setProperty(Gravatar, settings.gravatar.toString)
-      props.setProperty(Notification, settings.notification.toString)
-      props.setProperty(Ssh, settings.ssh.toString)
-      settings.sshPort.foreach(x => props.setProperty(SshPort, x.toString))
-      if(settings.notification) {
-        settings.smtp.foreach { smtp =>
-          props.setProperty(SmtpHost, smtp.host)
-          smtp.port.foreach(x => props.setProperty(SmtpPort, x.toString))
-          smtp.user.foreach(props.setProperty(SmtpUser, _))
-          smtp.password.foreach(props.setProperty(SmtpPassword, _))
-          smtp.ssl.foreach(x => props.setProperty(SmtpSsl, x.toString))
-          smtp.fromAddress.foreach(props.setProperty(SmtpFromAddress, _))
-          smtp.fromName.foreach(props.setProperty(SmtpFromName, _))
-        }
-      }
-      props.setProperty(LdapAuthentication, settings.ldapAuthentication.toString)
-      if(settings.ldapAuthentication){
-        settings.ldap.map { ldap =>
-          props.setProperty(LdapHost, ldap.host)
-          ldap.port.foreach(x => props.setProperty(LdapPort, x.toString))
-          ldap.bindDN.foreach(x => props.setProperty(LdapBindDN, x))
-          ldap.bindPassword.foreach(x => props.setProperty(LdapBindPassword, x))
-          props.setProperty(LdapBaseDN, ldap.baseDN)
-          props.setProperty(LdapUserNameAttribute, ldap.userNameAttribute)
-          ldap.additionalFilterCondition.foreach(x => props.setProperty(LdapAdditionalFilterCondition, x))
-          ldap.fullNameAttribute.foreach(x => props.setProperty(LdapFullNameAttribute, x))
-          ldap.mailAttribute.foreach(x => props.setProperty(LdapMailAddressAttribute, x.toString))
-          ldap.tls.foreach(x => props.setProperty(LdapTls, x.toString))
-          ldap.keystore.foreach(x => props.setProperty(LdapKeystore, x))
-        }
-      }
-      using(new java.io.FileOutputStream(GitBucketConf)){ out =>
-        props.store(out, null)
-      }
-    }
-  }
-
-
-  def loadSystemSettings(): SystemSettings = {
-    defining(new java.util.Properties()){ props =>
-      if(GitBucketConf.exists){
-        using(new java.io.FileInputStream(GitBucketConf)){ in =>
-          props.load(in)
-        }
-      }
-      SystemSettings(
-        getOptionValue[String](props, BaseURL, None).map(x => x.replaceFirst("/\\Z", "")),
-        getValue(props, AllowAccountRegistration, false),
-        getValue(props, Gravatar, true),
-        getValue(props, Notification, false),
-        getValue(props, Ssh, false),
-        getOptionValue(props, SshPort, Some(DefaultSshPort)),
-        if(getValue(props, Notification, false)){
-          Some(Smtp(
-            getValue(props, SmtpHost, ""),
-            getOptionValue(props, SmtpPort, Some(DefaultSmtpPort)),
-            getOptionValue(props, SmtpUser, None),
-            getOptionValue(props, SmtpPassword, None),
-            getOptionValue[Boolean](props, SmtpSsl, None),
-            getOptionValue(props, SmtpFromAddress, None),
-            getOptionValue(props, SmtpFromName, None)))
-        } else {
-          None
-        },
-        getValue(props, LdapAuthentication, false),
-        if(getValue(props, LdapAuthentication, false)){
-          Some(Ldap(
-            getValue(props, LdapHost, ""),
-            getOptionValue(props, LdapPort, Some(DefaultLdapPort)),
-            getOptionValue(props, LdapBindDN, None),
-            getOptionValue(props, LdapBindPassword, None),
-            getValue(props, LdapBaseDN, ""),
-            getValue(props, LdapUserNameAttribute, ""),
-            getOptionValue(props, LdapAdditionalFilterCondition, None),
-            getOptionValue(props, LdapFullNameAttribute, None),
-            getOptionValue(props, LdapMailAddressAttribute, None),
-            getOptionValue[Boolean](props, LdapTls, None),
-            getOptionValue(props, LdapKeystore, None)))
-        } else {
-          None
-        }
-      )
-    }
-  }
-
-}
-
-object SystemSettingsService {
-  import scala.reflect.ClassTag
-
-  case class SystemSettings(
-    baseUrl: Option[String],
-    allowAccountRegistration: Boolean,
-    gravatar: Boolean,
-    notification: Boolean,
-    ssh: Boolean,
-    sshPort: Option[Int],
-    smtp: Option[Smtp],
-    ldapAuthentication: Boolean,
-    ldap: Option[Ldap]){
-    def baseUrl(request: HttpServletRequest): String = baseUrl.getOrElse {
-      defining(request.getRequestURL.toString){ url =>
-        url.substring(0, url.length - (request.getRequestURI.length - request.getContextPath.length))
-      }
-    }.stripSuffix("/")
-  }
-
-  case class Ldap(
-    host: String,
-    port: Option[Int],
-    bindDN: Option[String],
-    bindPassword: Option[String],
-    baseDN: String,
-    userNameAttribute: String,
-    additionalFilterCondition: Option[String],
-    fullNameAttribute: Option[String],
-    mailAttribute: Option[String],
-    tls: Option[Boolean],
-    keystore: Option[String])
-
-  case class Smtp(
-    host: String,
-    port: Option[Int],
-    user: Option[String],
-    password: Option[String],
-    ssl: Option[Boolean],
-    fromAddress: Option[String],
-    fromName: Option[String])
-
-  val DefaultSshPort = 29418
-  val DefaultSmtpPort = 25
-  val DefaultLdapPort = 389
-
-  private val BaseURL = "base_url"
-  private val AllowAccountRegistration = "allow_account_registration"
-  private val Gravatar = "gravatar"
-  private val Notification = "notification"
-  private val Ssh = "ssh"
-  private val SshPort = "ssh.port"
-  private val SmtpHost = "smtp.host"
-  private val SmtpPort = "smtp.port"
-  private val SmtpUser = "smtp.user"
-  private val SmtpPassword = "smtp.password"
-  private val SmtpSsl = "smtp.ssl"
-  private val SmtpFromAddress = "smtp.from_address"
-  private val SmtpFromName = "smtp.from_name"
-  private val LdapAuthentication = "ldap_authentication"
-  private val LdapHost = "ldap.host"
-  private val LdapPort = "ldap.port"
-  private val LdapBindDN = "ldap.bindDN"
-  private val LdapBindPassword = "ldap.bind_password"
-  private val LdapBaseDN = "ldap.baseDN"
-  private val LdapUserNameAttribute = "ldap.username_attribute"
-  private val LdapAdditionalFilterCondition = "ldap.additional_filter_condition"
-  private val LdapFullNameAttribute = "ldap.fullname_attribute"
-  private val LdapMailAddressAttribute = "ldap.mail_attribute"
-  private val LdapTls = "ldap.tls"
-  private val LdapKeystore = "ldap.keystore"
-
-  private def getValue[A: ClassTag](props: java.util.Properties, key: String, default: A): A =
-    defining(props.getProperty(key)){ value =>
-      if(value == null || value.isEmpty) default
-      else convertType(value).asInstanceOf[A]
-    }
-
-  private def getOptionValue[A: ClassTag](props: java.util.Properties, key: String, default: Option[A]): Option[A] =
-    defining(props.getProperty(key)){ value =>
-      if(value == null || value.isEmpty) default
-      else Some(convertType(value)).asInstanceOf[Option[A]]
-    }
-
-  private def convertType[A: ClassTag](value: String) =
-    defining(implicitly[ClassTag[A]].runtimeClass){ c =>
-      if(c == classOf[Boolean])  value.toBoolean
-      else if(c == classOf[Int]) value.toInt
-      else value
-    }
-
-  // TODO temporary flag
-  val enablePluginSystem = Option(System.getProperty("enable.plugin")).getOrElse("false").toBoolean
-
-}
+package service
+
+import util.Directory._
+import util.ControlUtil._
+import SystemSettingsService._
+import javax.servlet.http.HttpServletRequest
+
+trait SystemSettingsService {
+
+  def baseUrl(implicit request: HttpServletRequest): String = loadSystemSettings().baseUrl.getOrElse {
+    defining(request.getRequestURL.toString){ url =>
+      url.substring(0, url.length - (request.getRequestURI.length - request.getContextPath.length))
+    }
+  }.replaceFirst("/$", "")
+
+  def saveSystemSettings(settings: SystemSettings): Unit = {
+    defining(new java.util.Properties()){ props =>
+      settings.baseUrl.foreach(props.setProperty(BaseURL, _))
+      props.setProperty(AllowAccountRegistration, settings.allowAccountRegistration.toString)
+      props.setProperty(Gravatar, settings.gravatar.toString)
+      props.setProperty(Notification, settings.notification.toString)
+      if(settings.notification) {
+        settings.smtp.foreach { smtp =>
+          props.setProperty(SmtpHost, smtp.host)
+          smtp.port.foreach(x => props.setProperty(SmtpPort, x.toString))
+          smtp.user.foreach(props.setProperty(SmtpUser, _))
+          smtp.password.foreach(props.setProperty(SmtpPassword, _))
+          smtp.ssl.foreach(x => props.setProperty(SmtpSsl, x.toString))
+          smtp.fromAddress.foreach(props.setProperty(SmtpFromAddress, _))
+          smtp.fromName.foreach(props.setProperty(SmtpFromName, _))
+        }
+      }
+      props.setProperty(LdapAuthentication, settings.ldapAuthentication.toString)
+      if(settings.ldapAuthentication){
+        settings.ldap.map { ldap =>
+          props.setProperty(LdapHost, ldap.host)
+          ldap.port.foreach(x => props.setProperty(LdapPort, x.toString))
+          ldap.bindDN.foreach(x => props.setProperty(LdapBindDN, x))
+          ldap.bindPassword.foreach(x => props.setProperty(LdapBindPassword, x))
+          props.setProperty(LdapBaseDN, ldap.baseDN)
+          props.setProperty(LdapUserNameAttribute, ldap.userNameAttribute)
+          ldap.fullNameAttribute.foreach(x => props.setProperty(LdapFullNameAttribute, x))
+          props.setProperty(LdapMailAddressAttribute, ldap.mailAttribute)
+          ldap.tls.foreach(x => props.setProperty(LdapTls, x.toString))
+          ldap.keystore.foreach(x => props.setProperty(LdapKeystore, x))
+        }
+      }
+      props.store(new java.io.FileOutputStream(GitBucketConf), null)
+    }
+  }
+
+
+  def loadSystemSettings(): SystemSettings = {
+    defining(new java.util.Properties()){ props =>
+      if(GitBucketConf.exists){
+        props.load(new java.io.FileInputStream(GitBucketConf))
+      }
+      SystemSettings(
+        getOptionValue(props, BaseURL, None),
+        getValue(props, AllowAccountRegistration, false),
+        getValue(props, Gravatar, true),
+        getValue(props, Notification, false),
+        if(getValue(props, Notification, false)){
+          Some(Smtp(
+            getValue(props, SmtpHost, ""),
+            getOptionValue(props, SmtpPort, Some(DefaultSmtpPort)),
+            getOptionValue(props, SmtpUser, None),
+            getOptionValue(props, SmtpPassword, None),
+            getOptionValue[Boolean](props, SmtpSsl, None),
+            getOptionValue(props, SmtpFromAddress, None),
+            getOptionValue(props, SmtpFromName, None)))
+        } else {
+          None
+        },
+        getValue(props, LdapAuthentication, false),
+        if(getValue(props, LdapAuthentication, false)){
+          Some(Ldap(
+            getValue(props, LdapHost, ""),
+            getOptionValue(props, LdapPort, Some(DefaultLdapPort)),
+            getOptionValue(props, LdapBindDN, None),
+            getOptionValue(props, LdapBindPassword, None),
+            getValue(props, LdapBaseDN, ""),
+            getValue(props, LdapUserNameAttribute, ""),
+            getOptionValue(props, LdapFullNameAttribute, None),
+            getValue(props, LdapMailAddressAttribute, ""),
+            getOptionValue[Boolean](props, LdapTls, None),
+            getOptionValue(props, LdapKeystore, None)))
+        } else {
+          None
+        }
+      )
+    }
+  }
+
+}
+
+object SystemSettingsService {
+  import scala.reflect.ClassTag
+
+  case class SystemSettings(
+    baseUrl: Option[String],
+    allowAccountRegistration: Boolean,
+    gravatar: Boolean,
+    notification: Boolean,
+    smtp: Option[Smtp],
+    ldapAuthentication: Boolean,
+    ldap: Option[Ldap])
+
+  case class Ldap(
+    host: String,
+    port: Option[Int],
+    bindDN: Option[String],
+    bindPassword: Option[String],
+    baseDN: String,
+    userNameAttribute: String,
+    fullNameAttribute: Option[String],
+    mailAttribute: String,
+    tls: Option[Boolean],
+    keystore: Option[String])
+
+  case class Smtp(
+    host: String,
+    port: Option[Int],
+    user: Option[String],
+    password: Option[String],
+    ssl: Option[Boolean],
+    fromAddress: Option[String],
+    fromName: Option[String])
+
+  val DefaultSmtpPort = 25
+  val DefaultLdapPort = 389
+
+  private val BaseURL = "base_url"
+  private val AllowAccountRegistration = "allow_account_registration"
+  private val Gravatar = "gravatar"
+  private val Notification = "notification"
+  private val SmtpHost = "smtp.host"
+  private val SmtpPort = "smtp.port"
+  private val SmtpUser = "smtp.user"
+  private val SmtpPassword = "smtp.password"
+  private val SmtpSsl = "smtp.ssl"
+  private val SmtpFromAddress = "smtp.from_address"
+  private val SmtpFromName = "smtp.from_name"
+  private val LdapAuthentication = "ldap_authentication"
+  private val LdapHost = "ldap.host"
+  private val LdapPort = "ldap.port"
+  private val LdapBindDN = "ldap.bindDN"
+  private val LdapBindPassword = "ldap.bind_password"
+  private val LdapBaseDN = "ldap.baseDN"
+  private val LdapUserNameAttribute = "ldap.username_attribute"
+  private val LdapFullNameAttribute = "ldap.fullname_attribute"
+  private val LdapMailAddressAttribute = "ldap.mail_attribute"
+  private val LdapTls = "ldap.tls"
+  private val LdapKeystore = "ldap.keystore"
+
+  private def getValue[A: ClassTag](props: java.util.Properties, key: String, default: A): A =
+    defining(props.getProperty(key)){ value =>
+      if(value == null || value.isEmpty) default
+      else convertType(value).asInstanceOf[A]
+    }
+
+  private def getOptionValue[A: ClassTag](props: java.util.Properties, key: String, default: Option[A]): Option[A] =
+    defining(props.getProperty(key)){ value =>
+      if(value == null || value.isEmpty) default
+      else Some(convertType(value)).asInstanceOf[Option[A]]
+    }
+
+  private def convertType[A: ClassTag](value: String) =
+    defining(implicitly[ClassTag[A]].runtimeClass){ c =>
+      if(c == classOf[Boolean])  value.toBoolean
+      else if(c == classOf[Int]) value.toInt
+      else value
+    }
+
+}
--- a/src/main/scala/service/WebHookService.scala
+++ b/src/main/scala/service/WebHookService.scala
@@ -1,8 +1,9 @@
 package service

-import model.Profile._
-import profile.simple._
-import model.{WebHook, Account}
+import scala.slick.driver.H2Driver.simple._
+import Database.threadLocalSession
+
+import model._
 import org.slf4j.LoggerFactory
 import service.RepositoryService.RepositoryInfo
 import util.JGitUtil
@@ -11,6 +12,7 @@ import util.JGitUtil.CommitInfo
 import org.eclipse.jgit.api.Git
 import org.apache.http.message.BasicNameValuePair
 import org.apache.http.client.entity.UrlEncodedFormEntity
+import org.apache.http.protocol.HTTP
 import org.apache.http.NameValuePair

 trait WebHookService {
@@ -18,14 +20,14 @@ trait WebHookService {

  private val logger = LoggerFactory.getLogger(classOf[WebHookService])

-  def getWebHookURLs(owner: String, repository: String)(implicit s: Session): List[WebHook] =
-    WebHooks.filter(_.byRepository(owner, repository)).sortBy(_.url).list
+  def getWebHookURLs(owner: String, repository: String): List[WebHook] =
+    Query(WebHooks).filter(_.byRepository(owner, repository)).sortBy(_.url).list

-  def addWebHookURL(owner: String, repository: String, url :String)(implicit s: Session): Unit =
-    WebHooks insert WebHook(owner, repository, url)
+  def addWebHookURL(owner: String, repository: String, url :String): Unit =
+    WebHooks.insert(WebHook(owner, repository, url))

-  def deleteWebHookURL(owner: String, repository: String, url :String)(implicit s: Session): Unit =
-    WebHooks.filter(_.byPrimaryKey(owner, repository, url)).delete
+  def deleteWebHookURL(owner: String, repository: String, url :String): Unit =
+    Query(WebHooks).filter(_.byPrimaryKey(owner, repository, url)).delete

  def callWebHook(owner: String, repository: String, webHookURLs: List[WebHook], payload: WebHookPayload): Unit = {
    import org.json4s._
@@ -44,7 +46,7 @@ trait WebHookService {
      val httpClient = HttpClientBuilder.create.build

      webHookURLs.foreach { webHookUrl =>
-        val f = Future {
+        val f = future {
          logger.debug(s"start web hook invocation for ${webHookUrl}")
          val httpPost = new HttpPost(webHookUrl.url)

@@ -85,26 +87,26 @@ object WebHookService {
        refName,
        commits.map { commit =>
          val diffs = JGitUtil.getDiffs(git, commit.id, false)
-          val commitUrl = repositoryInfo.httpUrl.replaceFirst("/git/", "/").stripSuffix(".git") + "/commit/" + commit.id
+          val commitUrl = repositoryInfo.url.replaceFirst("/git/", "/").replaceFirst("\\.git$", "") + "/commit/" + commit.id

          WebHookCommit(
            id        = commit.id,
            message   = commit.fullMessage,
-            timestamp = commit.commitTime.toString,
+            timestamp = commit.time.toString,
            url       = commitUrl,
            added     = diffs._1.collect { case x if(x.changeType == DiffEntry.ChangeType.ADD)    => x.newPath },
            removed   = diffs._1.collect { case x if(x.changeType == DiffEntry.ChangeType.DELETE) => x.oldPath },
            modified  = diffs._1.collect { case x if(x.changeType != DiffEntry.ChangeType.ADD &&
              x.changeType != DiffEntry.ChangeType.DELETE) => x.newPath },
            author    = WebHookUser(
-              name  = commit.committerName,
-              email = commit.committerEmailAddress
+              name  = commit.committer,
+              email = commit.mailAddress
            )
          )
-        },
+        }.toList,
        WebHookRepository(
          name        = repositoryInfo.name,
-          url         = repositoryInfo.httpUrl,
+          url         = repositoryInfo.url,
          description = repositoryInfo.repository.description.getOrElse(""),
          watchers    = 0,
          forks       = repositoryInfo.forkedCount,
--- a/src/main/scala/service/WikiService.scala
+++ b/src/main/scala/service/WikiService.scala
@@ -1,281 +1,302 @@
-package service
-
-import java.util.Date
-import org.eclipse.jgit.api.Git
-import util._
-import _root_.util.ControlUtil._
-import org.eclipse.jgit.treewalk.CanonicalTreeParser
-import org.eclipse.jgit.lib._
-import org.eclipse.jgit.dircache.DirCache
-import org.eclipse.jgit.diff.{DiffEntry, DiffFormatter}
-import java.io.ByteArrayInputStream
-import org.eclipse.jgit.patch._
-import org.eclipse.jgit.api.errors.PatchFormatException
-import scala.collection.JavaConverters._
-import service.RepositoryService.RepositoryInfo
-
-object WikiService {
-  
-  /**
-   * The model for wiki page.
-   * 
-   * @param name the page name
-   * @param content the page content
-   * @param committer the last committer
-   * @param time the last modified time
-   * @param id the latest commit id
-   */
-  case class WikiPageInfo(name: String, content: String, committer: String, time: Date, id: String)
-  
-  /**
-   * The model for wiki page history.
-   * 
-   * @param name the page name
-   * @param committer the committer the committer
-   * @param message the commit message
-   * @param date the commit date
-   */
-  case class WikiPageHistoryInfo(name: String, committer: String, message: String, date: Date)
-
-  def httpUrl(repository: RepositoryInfo) = repository.httpUrl.replaceFirst("\\.git\\Z", ".wiki.git")
-
-  def sshUrl(repository: RepositoryInfo, settings: SystemSettingsService.SystemSettings, userName: String) =
-    repository.sshUrl(settings.sshPort.getOrElse(SystemSettingsService.DefaultSshPort), userName).replaceFirst("\\.git\\Z", ".wiki.git")
-}
-
-trait WikiService {
-  import WikiService._
-
-  def createWikiRepository(loginAccount: model.Account, owner: String, repository: String): Unit =
-    LockUtil.lock(s"${owner}/${repository}/wiki"){
-      defining(Directory.getWikiRepositoryDir(owner, repository)){ dir =>
-        if(!dir.exists){
-          JGitUtil.initRepository(dir)
-          saveWikiPage(owner, repository, "Home", "Home", s"Welcome to the ${repository} wiki!!", loginAccount, "Initial Commit", None)
-        }
-      }
-    }
-
-  /**
-   * Returns the wiki page.
-   */
-  def getWikiPage(owner: String, repository: String, pageName: String): Option[WikiPageInfo] = {
-    using(Git.open(Directory.getWikiRepositoryDir(owner, repository))){ git =>
-      if(!JGitUtil.isEmpty(git)){
-        JGitUtil.getFileList(git, "master", ".").find(_.name == pageName + ".md").map { file =>
-          WikiPageInfo(file.name, StringUtil.convertFromByteArray(git.getRepository.open(file.id).getBytes),
-                       file.author, file.time, file.commitId)
-        }
-      } else None
-    }
-  }
-
-  /**
-   * Returns the content of the specified file.
-   */
-  def getFileContent(owner: String, repository: String, path: String): Option[Array[Byte]] =
-    using(Git.open(Directory.getWikiRepositoryDir(owner, repository))){ git =>
-      if(!JGitUtil.isEmpty(git)){
-        val index = path.lastIndexOf('/')
-        val parentPath = if(index < 0) "."  else path.substring(0, index)
-        val fileName   = if(index < 0) path else path.substring(index + 1)
-
-        JGitUtil.getFileList(git, "master", parentPath).find(_.name == fileName).map { file =>
-          git.getRepository.open(file.id).getBytes
-        }
-      } else None
-    }
-
-  /**
-   * Returns the list of wiki page names.
-   */
-  def getWikiPageList(owner: String, repository: String): List[String] = {
-    using(Git.open(Directory.getWikiRepositoryDir(owner, repository))){ git =>
-      JGitUtil.getFileList(git, "master", ".")
-        .filter(_.name.endsWith(".md"))
-        .map(_.name.stripSuffix(".md"))
-        .sortBy(x => x)
-    }
-  }
-
-  /**
-   * Reverts specified changes.
-   */
-  def revertWikiPage(owner: String, repository: String, from: String, to: String,
-                     committer: model.Account, pageName: Option[String]): Boolean = {
-
-    case class RevertInfo(operation: String, filePath: String, source: String)
-
-    try {
-      LockUtil.lock(s"${owner}/${repository}/wiki"){
-        using(Git.open(Directory.getWikiRepositoryDir(owner, repository))){ git =>
-
-          val reader = git.getRepository.newObjectReader
-          val oldTreeIter = new CanonicalTreeParser
-          oldTreeIter.reset(reader, git.getRepository.resolve(from + "^{tree}"))
-
-          val newTreeIter = new CanonicalTreeParser
-          newTreeIter.reset(reader, git.getRepository.resolve(to + "^{tree}"))
-
-          val diffs = git.diff.setNewTree(oldTreeIter).setOldTree(newTreeIter).call.asScala.filter { diff =>
-            pageName match {
-              case Some(x) => diff.getNewPath == x + ".md"
-              case None    => true
-            }
-          }
-
-          val patch = using(new java.io.ByteArrayOutputStream()){ out =>
-            val formatter = new DiffFormatter(out)
-            formatter.setRepository(git.getRepository)
-            formatter.format(diffs.asJava)
-            new String(out.toByteArray, "UTF-8")
-          }
-
-          val p = new Patch()
-          p.parse(new ByteArrayInputStream(patch.getBytes("UTF-8")))
-          if(!p.getErrors.isEmpty){
-            throw new PatchFormatException(p.getErrors())
-          }
-          val revertInfo = (p.getFiles.asScala.map { fh =>
-            fh.getChangeType match {
-              case DiffEntry.ChangeType.MODIFY => {
-                val source = getWikiPage(owner, repository, fh.getNewPath.stripSuffix(".md")).map(_.content).getOrElse("")
-                val applied = PatchUtil.apply(source, patch, fh)
-                if(applied != null){
-                  Seq(RevertInfo("ADD", fh.getNewPath, applied))
-                } else Nil
-              }
-              case DiffEntry.ChangeType.ADD => {
-                val applied = PatchUtil.apply("", patch, fh)
-                if(applied != null){
-                  Seq(RevertInfo("ADD", fh.getNewPath, applied))
-                } else Nil
-              }
-              case DiffEntry.ChangeType.DELETE => {
-                Seq(RevertInfo("DELETE", fh.getNewPath, ""))
-              }
-              case DiffEntry.ChangeType.RENAME => {
-                val applied = PatchUtil.apply("", patch, fh)
-                if(applied != null){
-                  Seq(RevertInfo("DELETE", fh.getOldPath, ""), RevertInfo("ADD", fh.getNewPath, applied))
-                } else {
-                  Seq(RevertInfo("DELETE", fh.getOldPath, ""))
-                }
-              }
-              case _ => Nil
-            }
-          }).flatten
-
-          if(revertInfo.nonEmpty){
-            val builder  = DirCache.newInCore.builder()
-            val inserter = git.getRepository.newObjectInserter()
-            val headId   = git.getRepository.resolve(Constants.HEAD + "^{commit}")
-
-            JGitUtil.processTree(git, headId){ (path, tree) =>
-              if(revertInfo.find(x => x.filePath == path).isEmpty){
-                builder.add(JGitUtil.createDirCacheEntry(path, tree.getEntryFileMode, tree.getEntryObjectId))
-              }
-            }
-
-            revertInfo.filter(_.operation == "ADD").foreach { x =>
-              builder.add(JGitUtil.createDirCacheEntry(x.filePath, FileMode.REGULAR_FILE, inserter.insert(Constants.OBJ_BLOB, x.source.getBytes("UTF-8"))))
-            }
-            builder.finish()
-
-            JGitUtil.createNewCommit(git, inserter, headId, builder.getDirCache.writeTree(inserter),
-              Constants.HEAD, committer.fullName, committer.mailAddress,
-              pageName match {
-                case Some(x) => s"Revert ${from} ... ${to} on ${x}"
-                case None    => s"Revert ${from} ... ${to}"
-              })
-          }
-        }
-      }
-      true
-    } catch {
-      case e: Exception => {
-        e.printStackTrace()
-        false
-      }
-    }
-  }
-
-  /**
-   * Save the wiki page.
-   */
-  def saveWikiPage(owner: String, repository: String, currentPageName: String, newPageName: String,
-      content: String, committer: model.Account, message: String, currentId: Option[String]): Option[String] = {
-    LockUtil.lock(s"${owner}/${repository}/wiki"){
-      using(Git.open(Directory.getWikiRepositoryDir(owner, repository))){ git =>
-        val builder  = DirCache.newInCore.builder()
-        val inserter = git.getRepository.newObjectInserter()
-        val headId   = git.getRepository.resolve(Constants.HEAD + "^{commit}")
-        var created  = true
-        var updated  = false
-        var removed  = false
-
-        if(headId != null){
-          JGitUtil.processTree(git, headId){ (path, tree) =>
-            if(path == currentPageName + ".md" && currentPageName != newPageName){
-              removed = true
-            } else if(path != newPageName + ".md"){
-              builder.add(JGitUtil.createDirCacheEntry(path, tree.getEntryFileMode, tree.getEntryObjectId))
-            } else {
-              created = false
-              updated = JGitUtil.getContentFromId(git, tree.getEntryObjectId, true).map(new String(_, "UTF-8") != content).getOrElse(false)
-            }
-          }
-        }
-
-        if(created || updated || removed){
-          builder.add(JGitUtil.createDirCacheEntry(newPageName + ".md", FileMode.REGULAR_FILE, inserter.insert(Constants.OBJ_BLOB, content.getBytes("UTF-8"))))
-          builder.finish()
-          val newHeadId = JGitUtil.createNewCommit(git, inserter, headId, builder.getDirCache.writeTree(inserter),
-            Constants.HEAD, committer.fullName, committer.mailAddress,
-            if(message.trim.length == 0) {
-              if(removed){
-                s"Rename ${currentPageName} to ${newPageName}"
-              } else if(created){
-                s"Created ${newPageName}"
-              } else {
-                s"Updated ${newPageName}"
-              }
-            } else {
-              message
-            })
-
-          Some(newHeadId.getName)
-        } else None
-      }
-    }
-  }
-
-  /**
-   * Delete the wiki page.
-   */
-  def deleteWikiPage(owner: String, repository: String, pageName: String,
-                     committer: String, mailAddress: String, message: String): Unit = {
-    LockUtil.lock(s"${owner}/${repository}/wiki"){
-      using(Git.open(Directory.getWikiRepositoryDir(owner, repository))){ git =>
-        val builder  = DirCache.newInCore.builder()
-        val inserter = git.getRepository.newObjectInserter()
-        val headId   = git.getRepository.resolve(Constants.HEAD + "^{commit}")
-        var removed  = false
-
-        JGitUtil.processTree(git, headId){ (path, tree) =>
-          if(path != pageName + ".md"){
-            builder.add(JGitUtil.createDirCacheEntry(path, tree.getEntryFileMode, tree.getEntryObjectId))
-          } else {
-            removed = true
-          }
-        }
-        if(removed){
-          builder.finish()
-          JGitUtil.createNewCommit(git, inserter, headId, builder.getDirCache.writeTree(inserter),
-            Constants.HEAD, committer, mailAddress, message)
-        }
-      }
-    }
-  }
-
-}
+package service
+
+import java.util.Date
+import org.eclipse.jgit.api.Git
+import org.apache.commons.io.FileUtils
+import util._
+import _root_.util.ControlUtil._
+import org.eclipse.jgit.treewalk.{TreeWalk, CanonicalTreeParser}
+import org.eclipse.jgit.lib._
+import org.eclipse.jgit.dircache.{DirCache, DirCacheEntry}
+import org.eclipse.jgit.revwalk.RevWalk
+import org.eclipse.jgit.diff.{DiffEntry, DiffFormatter}
+import java.io.ByteArrayInputStream
+import org.eclipse.jgit.patch._
+import org.eclipse.jgit.api.errors.PatchFormatException
+import scala.collection.JavaConverters._
+import scala.Some
+
+
+object WikiService {
+  
+  /**
+   * The model for wiki page.
+   * 
+   * @param name the page name
+   * @param content the page content
+   * @param committer the last committer
+   * @param time the last modified time
+   * @param id the latest commit id
+   */
+  case class WikiPageInfo(name: String, content: String, committer: String, time: Date, id: String)
+  
+  /**
+   * The model for wiki page history.
+   * 
+   * @param name the page name
+   * @param committer the committer the committer
+   * @param message the commit message
+   * @param date the commit date
+   */
+  case class WikiPageHistoryInfo(name: String, committer: String, message: String, date: Date)
+
+}
+
+trait WikiService {
+  import WikiService._
+
+  def createWikiRepository(loginAccount: model.Account, owner: String, repository: String): Unit =
+    LockUtil.lock(s"${owner}/${repository}/wiki"){
+      defining(Directory.getWikiRepositoryDir(owner, repository)){ dir =>
+        if(!dir.exists){
+          JGitUtil.initRepository(dir)
+          saveWikiPage(owner, repository, "Home", "Home", s"Welcome to the ${repository} wiki!!", loginAccount, "Initial Commit", None)
+        }
+      }
+    }
+
+  /**
+   * Returns the wiki page.
+   */
+  def getWikiPage(owner: String, repository: String, pageName: String): Option[WikiPageInfo] = {
+    using(Git.open(Directory.getWikiRepositoryDir(owner, repository))){ git =>
+      if(!JGitUtil.isEmpty(git)){
+        JGitUtil.getFileList(git, "master", ".").find(_.name == pageName + ".md").map { file =>
+          WikiPageInfo(file.name, StringUtil.convertFromByteArray(git.getRepository.open(file.id).getBytes),
+                       file.committer, file.time, file.commitId)
+        }
+      } else None
+    }
+  }
+
+  /**
+   * Returns the content of the specified file.
+   */
+  def getFileContent(owner: String, repository: String, path: String): Option[Array[Byte]] =
+    using(Git.open(Directory.getWikiRepositoryDir(owner, repository))){ git =>
+      if(!JGitUtil.isEmpty(git)){
+        val index = path.lastIndexOf('/')
+        val parentPath = if(index < 0) "."  else path.substring(0, index)
+        val fileName   = if(index < 0) path else path.substring(index + 1)
+
+        JGitUtil.getFileList(git, "master", parentPath).find(_.name == fileName).map { file =>
+          git.getRepository.open(file.id).getBytes
+        }
+      } else None
+    }
+
+  /**
+   * Returns the list of wiki page names.
+   */
+  def getWikiPageList(owner: String, repository: String): List[String] = {
+    using(Git.open(Directory.getWikiRepositoryDir(owner, repository))){ git =>
+      JGitUtil.getFileList(git, "master", ".")
+        .filter(_.name.endsWith(".md"))
+        .map(_.name.replaceFirst("\\.md$", ""))
+        .sortBy(x => x)
+    }
+  }
+
+  /**
+   * Reverts specified changes.
+   */
+  def revertWikiPage(owner: String, repository: String, from: String, to: String,
+                     committer: model.Account, pageName: Option[String]): Boolean = {
+
+    case class RevertInfo(operation: String, filePath: String, source: String)
+
+    try {
+      LockUtil.lock(s"${owner}/${repository}/wiki"){
+        using(Git.open(Directory.getWikiRepositoryDir(owner, repository))){ git =>
+
+          val reader = git.getRepository.newObjectReader
+          val oldTreeIter = new CanonicalTreeParser
+          oldTreeIter.reset(reader, git.getRepository.resolve(from + "^{tree}"))
+
+          val newTreeIter = new CanonicalTreeParser
+          newTreeIter.reset(reader, git.getRepository.resolve(to + "^{tree}"))
+
+          val diffs = git.diff.setNewTree(oldTreeIter).setOldTree(newTreeIter).call.asScala.filter { diff =>
+            pageName match {
+              case Some(x) => diff.getNewPath == x + ".md"
+              case None    => true
+            }
+          }
+
+          val patch = using(new java.io.ByteArrayOutputStream()){ out =>
+            val formatter = new DiffFormatter(out)
+            formatter.setRepository(git.getRepository)
+            formatter.format(diffs.asJava)
+            new String(out.toByteArray, "UTF-8")
+          }
+
+          val p = new Patch()
+          p.parse(new ByteArrayInputStream(patch.getBytes("UTF-8")))
+          if(!p.getErrors.isEmpty){
+            throw new PatchFormatException(p.getErrors())
+          }
+          val revertInfo = (p.getFiles.asScala.map { fh =>
+            fh.getChangeType match {
+              case DiffEntry.ChangeType.MODIFY => {
+                val source = getWikiPage(owner, repository, fh.getNewPath.replaceFirst("\\.md$", "")).map(_.content).getOrElse("")
+                val applied = PatchUtil.apply(source, patch, fh)
+                if(applied != null){
+                  Seq(RevertInfo("ADD", fh.getNewPath, applied))
+                } else Nil
+              }
+              case DiffEntry.ChangeType.ADD => {
+                val applied = PatchUtil.apply("", patch, fh)
+                if(applied != null){
+                  Seq(RevertInfo("ADD", fh.getNewPath, applied))
+                } else Nil
+              }
+              case DiffEntry.ChangeType.DELETE => {
+                Seq(RevertInfo("DELETE", fh.getNewPath, ""))
+              }
+              case DiffEntry.ChangeType.RENAME => {
+                val applied = PatchUtil.apply("", patch, fh)
+                if(applied != null){
+                  Seq(RevertInfo("DELETE", fh.getOldPath, ""), RevertInfo("ADD", fh.getNewPath, applied))
+                } else {
+                  Seq(RevertInfo("DELETE", fh.getOldPath, ""))
+                }
+              }
+              case _ => Nil
+            }
+          }).flatten
+
+          if(revertInfo.nonEmpty){
+            val builder  = DirCache.newInCore.builder()
+            val inserter = git.getRepository.newObjectInserter()
+            val headId   = git.getRepository.resolve(Constants.HEAD + "^{commit}")
+
+            using(new RevWalk(git.getRepository)){ revWalk =>
+              using(new TreeWalk(git.getRepository)){ treeWalk =>
+                val index = treeWalk.addTree(revWalk.parseTree(headId))
+                treeWalk.setRecursive(true)
+                while(treeWalk.next){
+                  val path = treeWalk.getPathString
+                  val tree = treeWalk.getTree(index, classOf[CanonicalTreeParser])
+                  if(revertInfo.find(x => x.filePath == path).isEmpty){
+                    builder.add(JGitUtil.createDirCacheEntry(path, tree.getEntryFileMode, tree.getEntryObjectId))
+                  }
+                }
+              }
+            }
+
+            revertInfo.filter(_.operation == "ADD").foreach { x =>
+              builder.add(JGitUtil.createDirCacheEntry(x.filePath, FileMode.REGULAR_FILE, inserter.insert(Constants.OBJ_BLOB, x.source.getBytes("UTF-8"))))
+            }
+            builder.finish()
+
+            JGitUtil.createNewCommit(git, inserter, headId, builder.getDirCache.writeTree(inserter), committer.fullName, committer.mailAddress,
+              pageName match {
+                case Some(x) => s"Revert ${from} ... ${to} on ${x}"
+                case None    => s"Revert ${from} ... ${to}"
+              })
+          }
+        }
+      }
+      true
+    } catch {
+      case e: Exception => {
+        e.printStackTrace()
+        false
+      }
+    }
+  }
+
+  /**
+   * Save the wiki page.
+   */
+  def saveWikiPage(owner: String, repository: String, currentPageName: String, newPageName: String,
+      content: String, committer: model.Account, message: String, currentId: Option[String]): Option[String] = {
+    LockUtil.lock(s"${owner}/${repository}/wiki"){
+      using(Git.open(Directory.getWikiRepositoryDir(owner, repository))){ git =>
+        val builder  = DirCache.newInCore.builder()
+        val inserter = git.getRepository.newObjectInserter()
+        val headId   = git.getRepository.resolve(Constants.HEAD + "^{commit}")
+        var created  = true
+        var updated  = false
+        var removed  = false
+
+        if(headId != null){
+          using(new RevWalk(git.getRepository)){ revWalk =>
+            using(new TreeWalk(git.getRepository)){ treeWalk =>
+              val index = treeWalk.addTree(revWalk.parseTree(headId))
+              treeWalk.setRecursive(true)
+              while(treeWalk.next){
+                val path = treeWalk.getPathString
+                val tree = treeWalk.getTree(index, classOf[CanonicalTreeParser])
+                if(path == currentPageName + ".md" && currentPageName != newPageName){
+                  removed = true
+                } else if(path != newPageName + ".md"){
+                  builder.add(JGitUtil.createDirCacheEntry(path, tree.getEntryFileMode, tree.getEntryObjectId))
+                } else {
+                  created = false
+                  updated = JGitUtil.getContent(git, tree.getEntryObjectId, true).map(new String(_, "UTF-8") != content).getOrElse(false)
+                }
+              }
+            }
+          }
+        }
+
+        if(created || updated || removed){
+          builder.add(JGitUtil.createDirCacheEntry(newPageName + ".md", FileMode.REGULAR_FILE, inserter.insert(Constants.OBJ_BLOB, content.getBytes("UTF-8"))))
+          builder.finish()
+          val newHeadId = JGitUtil.createNewCommit(git, inserter, headId, builder.getDirCache.writeTree(inserter), committer.fullName, committer.mailAddress,
+            if(message.trim.length == 0) {
+              if(removed){
+                s"Rename ${currentPageName} to ${newPageName}"
+              } else if(created){
+                s"Created ${newPageName}"
+              } else {
+                s"Updated ${newPageName}"
+              }
+            } else {
+              message
+            })
+
+          Some(newHeadId)
+        } else None
+      }
+    }
+  }
+
+  /**
+   * Delete the wiki page.
+   */
+  def deleteWikiPage(owner: String, repository: String, pageName: String,
+                     committer: String, mailAddress: String, message: String): Unit = {
+      LockUtil.lock(s"${owner}/${repository}/wiki"){
+        using(Git.open(Directory.getWikiRepositoryDir(owner, repository))){ git =>
+          val builder  = DirCache.newInCore.builder()
+          val inserter = git.getRepository.newObjectInserter()
+          val headId   = git.getRepository.resolve(Constants.HEAD + "^{commit}")
+          var removed  = false
+
+          using(new RevWalk(git.getRepository)){ revWalk =>
+            using(new TreeWalk(git.getRepository)){ treeWalk =>
+              val index = treeWalk.addTree(revWalk.parseTree(headId))
+              treeWalk.setRecursive(true)
+              while(treeWalk.next){
+                val path = treeWalk.getPathString
+                val tree = treeWalk.getTree(index, classOf[CanonicalTreeParser])
+                if(path != pageName + ".md"){
+                  builder.add(JGitUtil.createDirCacheEntry(path, tree.getEntryFileMode, tree.getEntryObjectId))
+                } else {
+                  removed = true
+                }
+              }
+            }
+
+            if(removed){
+              builder.finish()
+              JGitUtil.createNewCommit(git, inserter, headId, builder.getDirCache.writeTree(inserter), committer, mailAddress, message)
+            }
+          }
+        }
+      }
+  }
+
+}
--- a/src/main/scala/servlet/AutoUpdateListener.scala
+++ b/src/main/scala/servlet/AutoUpdateListener.scala
@@ -1,250 +1,164 @@
-package servlet
-
-import java.io.File
-import java.sql.{DriverManager, Connection}
-import org.apache.commons.io.FileUtils
-import javax.servlet.{ServletContext, ServletContextListener, ServletContextEvent}
-import org.apache.commons.io.IOUtils
-import org.slf4j.LoggerFactory
-import util.Directory._
-import util.ControlUtil._
-import org.eclipse.jgit.api.Git
-import util.Directory
-import plugin.PluginUpdateJob
-import service.SystemSettingsService
-
-object AutoUpdate {
-  
-  /**
-   * Version of GitBucket
-   * 
-   * @param majorVersion the major version
-   * @param minorVersion the minor version
-   */
-  case class Version(majorVersion: Int, minorVersion: Int){
-    
-    private val logger = LoggerFactory.getLogger(classOf[servlet.AutoUpdate.Version])
-    
-    /**
-     * Execute update/MAJOR_MINOR.sql to update schema to this version.
-     * If corresponding SQL file does not exist, this method do nothing.
-     */
-    def update(conn: Connection): Unit = {
-      val sqlPath = s"update/${majorVersion}_${minorVersion}.sql"
-
-      using(Thread.currentThread.getContextClassLoader.getResourceAsStream(sqlPath)){ in =>
-        if(in != null){
-          val sql = IOUtils.toString(in, "UTF-8")
-          using(conn.createStatement()){ stmt =>
-            logger.debug(sqlPath + "=" + sql)
-            stmt.executeUpdate(sql)
-          }
-        }
-      }
-    }
-    
-    /**
-     * MAJOR.MINOR
-     */
-    val versionString = s"${majorVersion}.${minorVersion}"
-  }
-
-  /**
-   * The history of versions. A head of this sequence is the current BitBucket version.
-   */
-  val versions = Seq(
-    new Version(2, 4),
-    new Version(2, 3) {
-      override def update(conn: Connection): Unit = {
-        super.update(conn)
-        using(conn.createStatement.executeQuery("SELECT ACTIVITY_ID, ADDITIONAL_INFO FROM ACTIVITY WHERE ACTIVITY_TYPE='push'")){ rs =>
-          while(rs.next) {
-            val info = rs.getString("ADDITIONAL_INFO")
-            val newInfo = info.split("\n").filter(_ matches "^[0-9a-z]{40}:.*").mkString("\n")
-            if (info != newInfo) {
-              val id = rs.getString("ACTIVITY_ID")
-              using(conn.prepareStatement("UPDATE ACTIVITY SET ADDITIONAL_INFO=? WHERE ACTIVITY_ID=?")) { sql =>
-                sql.setString(1, newInfo)
-                sql.setLong(2, id.toLong)
-                sql.executeUpdate
-              }
-            }
-          }
-        }
-        FileUtils.deleteDirectory(Directory.getPluginCacheDir())
-        FileUtils.deleteDirectory(new File(Directory.PluginHome))
-      }
-    },
-    new Version(2, 2),
-    new Version(2, 1),
-    new Version(2, 0){
-      override def update(conn: Connection): Unit = {
-        import eu.medsea.mimeutil.{MimeUtil2, MimeType}
-
-        val mimeUtil = new MimeUtil2()
-        mimeUtil.registerMimeDetector("eu.medsea.mimeutil.detector.MagicMimeMimeDetector")
-
-        super.update(conn)
-        using(conn.createStatement.executeQuery("SELECT USER_NAME, REPOSITORY_NAME FROM REPOSITORY")){ rs =>
-          while(rs.next){
-            defining(Directory.getAttachedDir(rs.getString("USER_NAME"), rs.getString("REPOSITORY_NAME"))){ dir =>
-              if(dir.exists && dir.isDirectory){
-                dir.listFiles.foreach { file =>
-                  if(file.getName.indexOf('.') < 0){
-                    val mimeType = MimeUtil2.getMostSpecificMimeType(mimeUtil.getMimeTypes(file, new MimeType("application/octet-stream"))).toString
-                    if(mimeType.startsWith("image/")){
-                      file.renameTo(new File(file.getParent, file.getName + "." + mimeType.split("/")(1)))
-                    }
-                  }
-                }
-              }
-            }
-          }
-        }
-      }
-    },
-    Version(1, 13),
-    Version(1, 12),
-    Version(1, 11),
-    Version(1, 10),
-    Version(1, 9),
-    Version(1, 8),
-    Version(1, 7),
-    Version(1, 6),
-    Version(1, 5),
-    Version(1, 4),
-    new Version(1, 3){
-      override def update(conn: Connection): Unit = {
-        super.update(conn)
-        // Fix wiki repository configuration
-        using(conn.createStatement.executeQuery("SELECT USER_NAME, REPOSITORY_NAME FROM REPOSITORY")){ rs =>
-          while(rs.next){
-            using(Git.open(getWikiRepositoryDir(rs.getString("USER_NAME"), rs.getString("REPOSITORY_NAME")))){ git =>
-              defining(git.getRepository.getConfig){ config =>
-                if(!config.getBoolean("http", "receivepack", false)){
-                  config.setBoolean("http", null, "receivepack", true)
-                  config.save
-                }
-              }
-            }
-          }
-        }
-      }
-    },
-    Version(1, 2),
-    Version(1, 1),
-    Version(1, 0),
-    Version(0, 0)
-  )
-  
-  /**
-   * The head version of BitBucket.
-   */
-  val headVersion = versions.head
-  
-  /**
-   * The version file (GITBUCKET_HOME/version).
-   */
-  lazy val versionFile = new File(GitBucketHome, "version")
-  
-  /**
-   * Returns the current version from the version file.
-   */
-  def getCurrentVersion(): Version = {
-    if(versionFile.exists){
-      FileUtils.readFileToString(versionFile, "UTF-8").trim.split("\\.") match {
-        case Array(majorVersion, minorVersion) => {
-          versions.find { v => 
-            v.majorVersion == majorVersion.toInt && v.minorVersion == minorVersion.toInt
-          }.getOrElse(Version(0, 0))
-        }
-        case _ => Version(0, 0)
-      }
-    } else Version(0, 0)
-  }
-  
-}
-
-/**
- * Update database schema automatically in the context initializing.
- */
-class AutoUpdateListener extends ServletContextListener {
-  import org.quartz.impl.StdSchedulerFactory
-  import AutoUpdate._
-
-  private val logger = LoggerFactory.getLogger(classOf[AutoUpdateListener])
-  private val scheduler = StdSchedulerFactory.getDefaultScheduler
-  
-  override def contextInitialized(event: ServletContextEvent): Unit = {
-    val dataDir = event.getServletContext.getInitParameter("gitbucket.home")
-    if(dataDir != null){
-      System.setProperty("gitbucket.home", dataDir)
-    }
-    org.h2.Driver.load()
-
-    val context = event.getServletContext
-    context.setInitParameter("db.url", s"jdbc:h2:${DatabaseHome};MVCC=true")
-
-    defining(getConnection(event.getServletContext)){ conn =>
-      logger.debug("Start schema update")
-      try {
-        defining(getCurrentVersion()){ currentVersion =>
-          if(currentVersion == headVersion){
-            logger.debug("No update")
-          } else if(!versions.contains(currentVersion)){
-            logger.warn(s"Skip migration because ${currentVersion.versionString} is illegal version.")
-          } else {
-            versions.takeWhile(_ != currentVersion).reverse.foreach(_.update(conn))
-            FileUtils.writeStringToFile(versionFile, headVersion.versionString, "UTF-8")
-            logger.debug(s"Updated from ${currentVersion.versionString} to ${headVersion.versionString}")
-          }
-        }
-      } catch {
-        case ex: Throwable => {
-          logger.error("Failed to schema update", ex)
-          ex.printStackTrace()
-          conn.rollback()
-        }
-      }
-      logger.debug("End schema update")
-    }
-
-    if(SystemSettingsService.enablePluginSystem){
-      getDatabase(context).withSession { implicit session =>
-        logger.debug("Starting plugin system...")
-        try {
-          plugin.PluginSystem.init()
-
-          scheduler.start()
-          PluginUpdateJob.schedule(scheduler)
-          logger.debug("PluginUpdateJob is started.")
-
-          logger.debug("Plugin system is initialized.")
-        } catch {
-          case ex: Throwable => {
-            logger.error("Failed to initialize plugin system", ex)
-            ex.printStackTrace()
-            throw ex
-          }
-        }
-      }
-    }
-  }
-
-  def contextDestroyed(sce: ServletContextEvent): Unit = {
-    scheduler.shutdown()
-  }
-
-  private def getConnection(servletContext: ServletContext): Connection =
-    DriverManager.getConnection(
-      servletContext.getInitParameter("db.url"),
-      servletContext.getInitParameter("db.user"),
-      servletContext.getInitParameter("db.password"))
-
-  private def getDatabase(servletContext: ServletContext): scala.slick.jdbc.JdbcBackend.Database =
-    slick.jdbc.JdbcBackend.Database.forURL(
-      servletContext.getInitParameter("db.url"),
-      servletContext.getInitParameter("db.user"),
-      servletContext.getInitParameter("db.password"))
-
-}
+package servlet
+
+import java.io.File
+import java.sql.{DriverManager, Connection}
+import org.apache.commons.io.FileUtils
+import javax.servlet.{ServletContext, ServletContextListener, ServletContextEvent}
+import org.apache.commons.io.IOUtils
+import org.slf4j.LoggerFactory
+import util.Directory._
+import util.ControlUtil._
+import org.eclipse.jgit.api.Git
+
+object AutoUpdate {
+  
+  /**
+   * Version of GitBucket
+   * 
+   * @param majorVersion the major version
+   * @param minorVersion the minor version
+   */
+  case class Version(majorVersion: Int, minorVersion: Int){
+    
+    private val logger = LoggerFactory.getLogger(classOf[servlet.AutoUpdate.Version])
+    
+    /**
+     * Execute update/MAJOR_MINOR.sql to update schema to this version.
+     * If corresponding SQL file does not exist, this method do nothing.
+     */
+    def update(conn: Connection): Unit = {
+      val sqlPath = s"update/${majorVersion}_${minorVersion}.sql"
+
+      using(Thread.currentThread.getContextClassLoader.getResourceAsStream(sqlPath)){ in =>
+        if(in != null){
+          val sql = IOUtils.toString(in, "UTF-8")
+          using(conn.createStatement()){ stmt =>
+            logger.debug(sqlPath + "=" + sql)
+            stmt.executeUpdate(sql)
+          }
+        }
+      }
+    }
+    
+    /**
+     * MAJOR.MINOR
+     */
+    val versionString = s"${majorVersion}.${minorVersion}"
+  }
+
+  /**
+   * The history of versions. A head of this sequence is the current BitBucket version.
+   */
+  val versions = Seq(
+    Version(1, 11),
+    Version(1, 10),
+    Version(1, 9),
+    Version(1, 8),
+    Version(1, 7),
+    Version(1, 6),
+    Version(1, 5),
+    Version(1, 4),
+    new Version(1, 3){
+      override def update(conn: Connection): Unit = {
+        super.update(conn)
+        // Fix wiki repository configuration
+        using(conn.createStatement.executeQuery("SELECT USER_NAME, REPOSITORY_NAME FROM REPOSITORY")){ rs =>
+          while(rs.next){
+            using(Git.open(getWikiRepositoryDir(rs.getString("USER_NAME"), rs.getString("REPOSITORY_NAME")))){ git =>
+              defining(git.getRepository.getConfig){ config =>
+                if(!config.getBoolean("http", "receivepack", false)){
+                  config.setBoolean("http", null, "receivepack", true)
+                  config.save
+                }
+              }
+            }
+          }
+        }
+      }
+    },
+    Version(1, 2),
+    Version(1, 1),
+    Version(1, 0),
+    Version(0, 0)
+  )
+  
+  /**
+   * The head version of BitBucket.
+   */
+  val headVersion = versions.head
+  
+  /**
+   * The version file (GITBUCKET_HOME/version).
+   */
+  lazy val versionFile = new File(GitBucketHome, "version")
+  
+  /**
+   * Returns the current version from the version file.
+   */
+  def getCurrentVersion(): Version = {
+    if(versionFile.exists){
+      FileUtils.readFileToString(versionFile, "UTF-8").split("\\.") match {
+        case Array(majorVersion, minorVersion) => {
+          versions.find { v => 
+            v.majorVersion == majorVersion.toInt && v.minorVersion == minorVersion.toInt
+          }.getOrElse(Version(0, 0))
+        }
+        case _ => Version(0, 0)
+      }
+    } else Version(0, 0)
+  }
+  
+}
+
+/**
+ * Update database schema automatically in the context initializing.
+ */
+class AutoUpdateListener extends ServletContextListener {
+  import AutoUpdate._
+  private val logger = LoggerFactory.getLogger(classOf[AutoUpdateListener])
+  
+  override def contextInitialized(event: ServletContextEvent): Unit = {
+    val datadir = event.getServletContext.getInitParameter("gitbucket.home")
+    if(datadir != null){
+      System.setProperty("gitbucket.home", datadir)
+    }
+    org.h2.Driver.load()
+    event.getServletContext.setInitParameter("db.url", s"jdbc:h2:${DatabaseHome};MVCC=true")
+
+    logger.debug("Start schema update")
+    defining(getConnection(event.getServletContext)){ conn =>
+      try {
+        defining(getCurrentVersion()){ currentVersion =>
+          if(currentVersion == headVersion){
+            logger.debug("No update")
+          } else if(!versions.contains(currentVersion)){
+            logger.warn(s"Skip migration because ${currentVersion.versionString} is illegal version.")
+          } else {
+            versions.takeWhile(_ != currentVersion).reverse.foreach(_.update(conn))
+            FileUtils.writeStringToFile(versionFile, headVersion.versionString, "UTF-8")
+            conn.commit()
+            logger.debug(s"Updated from ${currentVersion.versionString} to ${headVersion.versionString}")
+          }
+        }
+      } catch {
+        case ex: Throwable => {
+          logger.error("Failed to schema update", ex)
+          ex.printStackTrace()
+          conn.rollback()
+        }
+      }
+    }
+    logger.debug("End schema update")
+  }
+
+  def contextDestroyed(sce: ServletContextEvent): Unit = {
+    // Nothing to do.
+  }
+
+  private def getConnection(servletContext: ServletContext): Connection =
+    DriverManager.getConnection(
+      servletContext.getInitParameter("db.url"),
+      servletContext.getInitParameter("db.user"),
+      servletContext.getInitParameter("db.password"))
+
+}
--- a/src/main/scala/servlet/BasicAuthenticationFilter.scala
+++ b/src/main/scala/servlet/BasicAuthenticationFilter.scala
@@ -3,7 +3,6 @@ package servlet
 import javax.servlet._
 import javax.servlet.http._
 import service.{SystemSettingsService, AccountService, RepositoryService}
-import model._
 import org.slf4j.LoggerFactory
 import util.Implicits._
 import util.ControlUtil._
@@ -21,7 +20,7 @@ class BasicAuthenticationFilter extends Filter with RepositoryService with Accou
  def destroy(): Unit = {}
  
  def doFilter(req: ServletRequest, res: ServletResponse, chain: FilterChain): Unit = {
-    implicit val request  = req.asInstanceOf[HttpServletRequest]
+    val request  = req.asInstanceOf[HttpServletRequest]
    val response = res.asInstanceOf[HttpServletResponse]

    val wrappedResponse = new HttpServletResponseWrapper(response){
@@ -39,12 +38,9 @@ class BasicAuthenticationFilter extends Filter with RepositoryService with Accou
              request.getHeader("Authorization") match {
                case null => requireAuth(response)
                case auth => decodeAuthHeader(auth).split(":") match {
-                  case Array(username, password) => getWritableUser(username, password, repository) match {
-                    case Some(account) => {
-                      request.setAttribute(Keys.Request.UserName, account.userName)
-                      chain.doFilter(req, wrappedResponse)
-                    }
-                    case None => requireAuth(response)
+                  case Array(username, password) if(isWritableUser(username, password, repository)) => {
+                    request.setAttribute(Keys.Request.UserName, username)
+                    chain.doFilter(req, wrappedResponse)
                  }
                  case _ => requireAuth(response)
                }
@@ -65,11 +61,10 @@ class BasicAuthenticationFilter extends Filter with RepositoryService with Accou
    }
  }

-  private def getWritableUser(username: String, password: String, repository: RepositoryService.RepositoryInfo)
-                             (implicit session: Session): Option[Account] =
+  private def isWritableUser(username: String, password: String, repository: RepositoryService.RepositoryInfo): Boolean =
    authenticate(loadSystemSettings(), username, password) match {
-      case x @ Some(account) if(hasWritePermission(repository.owner, repository.name, x)) => x
-      case _ => None
+      case Some(account) => hasWritePermission(repository.owner, repository.name, Some(account))
+      case None => false
    }

  private def requireAuth(response: HttpServletResponse): Unit = {
--- a/src/main/scala/servlet/GitRepositoryServlet.scala
+++ b/src/main/scala/servlet/GitRepositoryServlet.scala
@@ -8,7 +8,7 @@ import org.slf4j.LoggerFactory

 import javax.servlet.ServletConfig
 import javax.servlet.ServletContext
-import javax.servlet.http.{HttpServletResponse, HttpServletRequest}
+import javax.servlet.http.HttpServletRequest
 import util.{StringUtil, Keys, JGitUtil, Directory}
 import util.ControlUtil._
 import util.Implicits._
@@ -16,8 +16,6 @@ import service._
 import WebHookService._
 import org.eclipse.jgit.api.Git
 import util.JGitUtil.CommitInfo
-import service.IssuesService.IssueSearchCondition
-import model.Session

 /**
 * Provides Git repository via HTTP.
@@ -25,7 +23,7 @@ import model.Session
 * This servlet provides only Git repository functionality.
 * Authentication is provided by [[servlet.BasicAuthenticationFilter]].
 */
-class GitRepositoryServlet extends GitServlet with SystemSettingsService {
+class GitRepositoryServlet extends GitServlet {

  private val logger = LoggerFactory.getLogger(classOf[GitRepositoryServlet])
  
@@ -49,23 +47,11 @@ class GitRepositoryServlet extends GitServlet with SystemSettingsService {

    super.init(config)
  }
-
-  override def service(req: HttpServletRequest, res: HttpServletResponse): Unit = {
-    val agent = req.getHeader("USER-AGENT")
-    val index = req.getRequestURI.indexOf(".git")
-    if(index >= 0 && (agent == null || agent.toLowerCase.indexOf("git/") < 0)){
-      // redirect for browsers
-      val paths = req.getRequestURI.substring(0, index).split("/")
-      res.sendRedirect(baseUrl(req) + "/" + paths.dropRight(1).last + "/" + paths.last)
-    } else {
-      // response for git client
-      super.service(req, res)
-    }
-  }
+  
 }

 class GitBucketReceivePackFactory extends ReceivePackFactory[HttpServletRequest] with SystemSettingsService {
-
+  
  private val logger = LoggerFactory.getLogger(classOf[GitBucketReceivePackFactory])

  override def create(request: HttpServletRequest, db: Repository): ReceivePack = {
@@ -77,16 +63,12 @@ class GitBucketReceivePackFactory extends ReceivePackFactory[HttpServletRequest]

    defining(request.paths){ paths =>
      val owner      = paths(1)
-      val repository = paths(2).stripSuffix(".git")
+      val repository = paths(2).replaceFirst("\\.git$", "")

      logger.debug("repository:" + owner + "/" + repository)

      if(!repository.endsWith(".wiki")){
-        defining(request) { implicit r =>
-          val hook = new CommitLogHook(owner, repository, pusher, baseUrl)
-          receivePack.setPreReceiveHook(hook)
-          receivePack.setPostReceiveHook(hook)
-        }
+        receivePack.setPostReceiveHook(new CommitLogHook(owner, repository, pusher, baseUrl(request)))
      }
      receivePack
    }
@@ -95,63 +77,43 @@ class GitBucketReceivePackFactory extends ReceivePackFactory[HttpServletRequest]

 import scala.collection.JavaConverters._

-class CommitLogHook(owner: String, repository: String, pusher: String, baseUrl: String)(implicit session: Session)
-  extends PostReceiveHook with PreReceiveHook
+class CommitLogHook(owner: String, repository: String, pusher: String, baseUrl: String) extends PostReceiveHook
  with RepositoryService with AccountService with IssuesService with ActivityService with PullRequestService with WebHookService {
  
  private val logger = LoggerFactory.getLogger(classOf[CommitLogHook])
-  private var existIds: Seq[String] = Nil
-
-  def onPreReceive(receivePack: ReceivePack, commands: java.util.Collection[ReceiveCommand]): Unit = {
-    try {
-      using(Git.open(Directory.getRepositoryDir(owner, repository))) { git =>
-        existIds = JGitUtil.getAllCommitIds(git)
-      }
-    } catch {
-      case ex: Exception => {
-        logger.error(ex.toString, ex)
-        throw ex
-      }
-    }
-  }
-
+  
  def onPostReceive(receivePack: ReceivePack, commands: java.util.Collection[ReceiveCommand]): Unit = {
    try {
      using(Git.open(Directory.getRepositoryDir(owner, repository))) { git =>
-        val pushedIds = scala.collection.mutable.Set[String]()
        commands.asScala.foreach { command =>
          logger.debug(s"commandType: ${command.getType}, refName: ${command.getRefName}")
+          val commits = command.getType match {
+            case ReceiveCommand.Type.DELETE => Nil
+            case _ => JGitUtil.getCommitLog(git, command.getOldId.name, command.getNewId.name)
+          }
          val refName = command.getRefName.split("/")
          val branchName = refName.drop(2).mkString("/")
-          val commits = if (refName(1) == "tags") {
-            Nil
+
+          // Extract new commit and apply issue comment
+          val newCommits = if(commits.size > 1000){
+            val existIds = getAllCommitIds(owner, repository)
+            commits.flatMap { commit =>
+              if(!existIds.contains(commit.id)){
+                createIssueComment(commit)
+                Some(commit)
+              } else None
+            }
          } else {
-            command.getType match {
-              case ReceiveCommand.Type.DELETE => Nil
-              case _ => JGitUtil.getCommitLog(git, command.getOldId.name, command.getNewId.name)
+            commits.flatMap { commit =>
+              if(!existsCommitId(owner, repository, commit.id)){
+                createIssueComment(commit)
+                Some(commit)
+              } else None
            }
          }

-          // Retrieve all issue count in the repository
-          val issueCount =
-            countIssue(IssueSearchCondition(state = "open"), false, owner -> repository) +
-            countIssue(IssueSearchCondition(state = "closed"), false, owner -> repository)
-
-          // Extract new commit and apply issue comment
-          val defaultBranch = getRepository(owner, repository, baseUrl).get.repository.defaultBranch
-          val newCommits = commits.flatMap { commit =>
-            if (!existIds.contains(commit.id) && !pushedIds.contains(commit.id)) {
-              if (issueCount > 0) {
-                pushedIds.add(commit.id)
-                createIssueComment(commit)
-                // close issues
-                if(refName(1) == "heads" && branchName == defaultBranch && command.getType == ReceiveCommand.Type.UPDATE){
-                  closeIssuesFromMessage(commit.fullMessage, pusher, owner, repository)
-                }
-              }
-              Some(commit)
-            } else None
-          }
+          // batch insert all new commit id
+          insertAllCommitIds(owner, repository, newCommits.map(_.id))

          // record activity
          if(refName(1) == "heads"){
@@ -205,7 +167,7 @@ class CommitLogHook(owner: String, repository: String, pusher: String, baseUrl:
  private def createIssueComment(commit: CommitInfo) = {
    StringUtil.extractIssueId(commit.fullMessage).foreach { issueId =>
      if(getIssue(owner, repository, issueId).isDefined){
-        getAccountByMailAddress(commit.committerEmailAddress).foreach { account =>
+        getAccountByMailAddress(commit.mailAddress).foreach { account =>
          createComment(owner, repository, account.userName, issueId.toInt, commit.fullMessage + " " + commit.id, "commit")
        }
      }
@@ -218,18 +180,14 @@ class CommitLogHook(owner: String, repository: String, pusher: String, baseUrl:
  private def updatePullRequests(branch: String) =
    getPullRequestsByRequest(owner, repository, branch, false).foreach { pullreq =>
      if(getRepository(pullreq.userName, pullreq.repositoryName, baseUrl).isDefined){
-        using(Git.open(Directory.getRepositoryDir(pullreq.userName, pullreq.repositoryName)),
-              Git.open(Directory.getRepositoryDir(pullreq.requestUserName, pullreq.requestRepositoryName))){ (oldGit, newGit) =>
-          oldGit.fetch
+        using(Git.open(Directory.getRepositoryDir(pullreq.userName, pullreq.repositoryName))){ git =>
+          git.fetch
            .setRemote(Directory.getRepositoryDir(owner, repository).toURI.toString)
            .setRefSpecs(new RefSpec(s"refs/heads/${branch}:refs/pull/${pullreq.issueId}/head").setForceUpdate(true))
            .call

-          val commitIdTo = oldGit.getRepository.resolve(s"refs/pull/${pullreq.issueId}/head").getName
-          val commitIdFrom = JGitUtil.getForkedCommitId(oldGit, newGit,
-            pullreq.userName, pullreq.repositoryName, pullreq.branch,
-            pullreq.requestUserName, pullreq.requestRepositoryName, pullreq.requestBranch)
-          updateCommitId(pullreq.userName, pullreq.repositoryName, pullreq.issueId, commitIdTo, commitIdFrom)
+          val commitIdTo = git.getRepository.resolve(s"refs/pull/${pullreq.issueId}/head").getName
+          updateCommitIdTo(pullreq.userName, pullreq.repositoryName, pullreq.issueId, commitIdTo)
        }
      }
    }
--- a/src/main/scala/servlet/PluginActionInvokeFilter.scala
+++ b/src/main/scala/servlet/PluginActionInvokeFilter.scala
@@ -1,192 +0,0 @@
-package servlet
-
-import javax.servlet._
-import javax.servlet.http.{HttpServletResponse, HttpServletRequest}
-import org.apache.commons.io.IOUtils
-import play.twirl.api.Html
-import service.{AccountService, RepositoryService, SystemSettingsService}
-import model.{Account, Session}
-import util.{JGitUtil, Keys}
-import plugin.{RawData, Fragment, PluginConnectionHolder, Redirect}
-import service.RepositoryService.RepositoryInfo
-import plugin.Security._
-
-class PluginActionInvokeFilter extends Filter with SystemSettingsService with RepositoryService with AccountService {
-
-  def init(config: FilterConfig) = {}
-
-  def destroy(): Unit = {}
-
-  def doFilter(req: ServletRequest, res: ServletResponse, chain: FilterChain): Unit = {
-    (req, res) match {
-      case (request: HttpServletRequest, response: HttpServletResponse) => {
-        Database(req.getServletContext) withTransaction { implicit session =>
-          val path = request.getRequestURI.substring(request.getServletContext.getContextPath.length)
-          if(!processGlobalAction(path, request, response) && !processRepositoryAction(path, request, response)){
-            chain.doFilter(req, res)
-          }
-        }
-      }
-    }
-  }
-
-  private def processGlobalAction(path: String, request: HttpServletRequest, response: HttpServletResponse)
-                                 (implicit session: Session): Boolean = {
-    plugin.PluginSystem.globalActions.find(x =>
-      x.method.toLowerCase == request.getMethod.toLowerCase && path.matches(x.path)
-    ).map { action =>
-      val loginAccount = request.getSession.getAttribute(Keys.Session.LoginAccount).asInstanceOf[Account]
-      val systemSettings = loadSystemSettings()
-      implicit val context = app.Context(systemSettings, Option(loginAccount), request)
-
-      if(authenticate(action.security, context)){
-        val result = try {
-          PluginConnectionHolder.threadLocal.set(session.conn)
-          action.function(request, response, context)
-        } finally {
-          PluginConnectionHolder.threadLocal.remove()
-        }
-        processActionResult(result, request, response, context)
-      } else {
-        // TODO NotFound or Error?
-      }
-      true
-    } getOrElse false
-  }
-
-  private def processRepositoryAction(path: String, request: HttpServletRequest, response: HttpServletResponse)
-                                     (implicit session: Session): Boolean = {
-    val elements = path.split("/")
-    if(elements.length > 3){
-      val owner  = elements(1)
-      val name   = elements(2)
-      val remain = elements.drop(3).mkString("/", "/", "")
-
-      val loginAccount = request.getSession.getAttribute(Keys.Session.LoginAccount).asInstanceOf[Account]
-      val systemSettings = loadSystemSettings()
-      implicit val context = app.Context(systemSettings, Option(loginAccount), request)
-
-      getRepository(owner, name, systemSettings.baseUrl(request)).flatMap { repository =>
-        plugin.PluginSystem.repositoryActions.find(x => remain.matches(x.path)).map { action =>
-          if(authenticate(action.security, context, repository)){
-            val result = try {
-              PluginConnectionHolder.threadLocal.set(session.conn)
-              action.function(request, response, context, repository)
-            } finally {
-              PluginConnectionHolder.threadLocal.remove()
-            }
-            processActionResult(result, request, response, context)
-          } else {
-            // TODO NotFound or Error?
-          }
-          true
-        }
-      } getOrElse false
-    } else false
-  }
-
-  private def processActionResult(result: Any, request: HttpServletRequest, response: HttpServletResponse,
-                                   context: app.Context): Unit = {
-    result match {
-      case null|None         => renderError(request, response, context, 404)
-      case x: String         => renderGlobalHtml(request, response, context, x)
-      case Some(x: String)   => renderGlobalHtml(request, response, context, x)
-      case x: Html           => renderGlobalHtml(request, response, context, x.toString)
-      case Some(x: Html)     => renderGlobalHtml(request, response, context, x.toString)
-      case x: Fragment       => renderFragmentHtml(request, response, context, x.html.toString)
-      case Some(x: Fragment) => renderFragmentHtml(request, response, context, x.html.toString)
-      case x: RawData        => renderRawData(request, response, context, x)
-      case Some(x: RawData)  => renderRawData(request, response, context, x)
-      case x: Redirect       => response.sendRedirect(x.path)
-      case Some(x: Redirect) => response.sendRedirect(x.path)
-      case x: AnyRef         => renderJson(request, response, x)
-    }
-  }
-
-  /**
-   * Authentication for global action
-   */
-  private def authenticate(security: Security, context: app.Context)(implicit session: Session): Boolean = {
-    // Global Action
-    security match {
-      case All() => true
-      case Login() => context.loginAccount.isDefined
-      case Admin() => context.loginAccount.exists(_.isAdmin)
-      case _ => false // TODO throw Exception?
-    }
-  }
-
-  /**
-   * Authenticate for repository action
-   */
-  private def authenticate(security: Security, context: app.Context, repository: RepositoryInfo)(implicit session: Session): Boolean = {
-    if(repository.repository.isPrivate){
-      // Private Repository
-      security match {
-        case Admin() => context.loginAccount.exists(_.isAdmin)
-        case Owner() => context.loginAccount.exists { account =>
-          account.userName == repository.owner ||
-            getGroupMembers(repository.owner).exists(m => m.userName == account.userName && m.isManager)
-        }
-        case _ => context.loginAccount.exists { account =>
-          account.isAdmin || account.userName == repository.owner ||
-            getCollaborators(repository.owner, repository.name).contains(account.userName)
-        }
-      }
-    } else {
-      // Public Repository
-      security match {
-        case All() => true
-        case Login() => context.loginAccount.isDefined
-        case Owner() => context.loginAccount.exists { account =>
-          account.userName == repository.owner ||
-            getGroupMembers(repository.owner).exists(m => m.userName == account.userName && m.isManager)
-        }
-        case Member() => context.loginAccount.exists { account =>
-          account.userName == repository.owner ||
-            getCollaborators(repository.owner, repository.name).contains(account.userName)
-        }
-        case Admin() => context.loginAccount.exists(_.isAdmin)
-      }
-    }
-  }
-
-  private def renderError(request: HttpServletRequest, response: HttpServletResponse, context: app.Context, error: Int): Unit = {
-    response.sendError(error)
-  }
-
-  private def renderGlobalHtml(request: HttpServletRequest, response: HttpServletResponse, context: app.Context, body: String): Unit = {
-    response.setContentType("text/html; charset=UTF-8")
-    val html = _root_.html.main("GitBucket", None)(Html(body))(context)
-    IOUtils.write(html.toString.getBytes("UTF-8"), response.getOutputStream)
-  }
-
-  private def renderRepositoryHtml(request: HttpServletRequest, response: HttpServletResponse, context: app.Context, repository: RepositoryInfo, body: String): Unit = {
-    response.setContentType("text/html; charset=UTF-8")
-    val html = _root_.html.main("GitBucket", None)(_root_.html.menu("", repository)(Html(body))(context))(context) // TODO specify active side menu
-    IOUtils.write(html.toString.getBytes("UTF-8"), response.getOutputStream)
-  }
-
-  private def renderFragmentHtml(request: HttpServletRequest, response: HttpServletResponse, context: app.Context, body: String): Unit = {
-    response.setContentType("text/html; charset=UTF-8")
-    IOUtils.write(body.getBytes("UTF-8"), response.getOutputStream)
-  }
-
-  private def renderRawData(request: HttpServletRequest, response: HttpServletResponse, context: app.Context, rawData: RawData): Unit = {
-    response.setContentType(rawData.contentType)
-    IOUtils.write(rawData.content, response.getOutputStream)
-  }
-
-  private def renderJson(request: HttpServletRequest, response: HttpServletResponse, obj: AnyRef): Unit = {
-    import org.json4s._
-    import org.json4s.jackson.Serialization
-    import org.json4s.jackson.Serialization.write
-    implicit val formats = Serialization.formats(NoTypeHints)
-
-    val json = write(obj)
-
-    response.setContentType("application/json; charset=UTF-8")
-    IOUtils.write(json.getBytes("UTF-8"), response.getOutputStream)
-  }
-
-}
--- a/src/main/scala/servlet/SessionCleanupListener.scala
+++ b/src/main/scala/servlet/SessionCleanupListener.scala
@@ -1,16 +1,15 @@
 package servlet

 import javax.servlet.http.{HttpSessionEvent, HttpSessionListener}
-import org.apache.commons.io.FileUtils
-import util.Directory._
+import app.FileUploadControllerBase

 /**
 * Removes session associated temporary files when session is destroyed.
 */
-class SessionCleanupListener extends HttpSessionListener {
+class SessionCleanupListener extends HttpSessionListener with FileUploadControllerBase {

  def sessionCreated(se: HttpSessionEvent): Unit = {}

-  def sessionDestroyed(se: HttpSessionEvent): Unit = FileUtils.deleteDirectory(getTemporaryDir(se.getSession.getId))
+  def sessionDestroyed(se: HttpSessionEvent): Unit = removeTemporaryFiles()(se.getSession)

 }
--- a/src/main/scala/servlet/TransactionFilter.scala
+++ b/src/main/scala/servlet/TransactionFilter.scala
@@ -1,45 +1,38 @@
-package servlet
-
-import javax.servlet._
-import org.slf4j.LoggerFactory
-import javax.servlet.http.HttpServletRequest
-import util.Keys
-
-/**
- * Controls the transaction with the open session in view pattern.
- */
-class TransactionFilter extends Filter {
-  
-  private val logger = LoggerFactory.getLogger(classOf[TransactionFilter])
-  
-  def init(config: FilterConfig) = {}
-  
-  def destroy(): Unit = {}
-  
-  def doFilter(req: ServletRequest, res: ServletResponse, chain: FilterChain): Unit = {
-    if(req.asInstanceOf[HttpServletRequest].getRequestURI().startsWith("/assets/")){
-      // assets don't need transaction
-      chain.doFilter(req, res)
-    } else {
-      Database(req.getServletContext) withTransaction { session =>
-        logger.debug("begin transaction")
-        req.setAttribute(Keys.Request.DBSession, session)
-        chain.doFilter(req, res)
-        logger.debug("end transaction")
-      }
-    }
-  }
-
-}
-
-object Database {
-
-  def apply(context: ServletContext): slick.jdbc.JdbcBackend.Database =
-    slick.jdbc.JdbcBackend.Database.forURL(context.getInitParameter("db.url"),
-        context.getInitParameter("db.user"),
-        context.getInitParameter("db.password"))
-
-  def getSession(req: ServletRequest): slick.jdbc.JdbcBackend#Session =
-    req.getAttribute(Keys.Request.DBSession).asInstanceOf[slick.jdbc.JdbcBackend#Session]
-
-}
+package servlet
+
+import javax.servlet._
+import org.slf4j.LoggerFactory
+import javax.servlet.http.HttpServletRequest
+
+/**
+ * Controls the transaction with the open session in view pattern.
+ */
+class TransactionFilter extends Filter {
+  
+  private val logger = LoggerFactory.getLogger(classOf[TransactionFilter])
+  
+  def init(config: FilterConfig) = {}
+  
+  def destroy(): Unit = {}
+  
+  def doFilter(req: ServletRequest, res: ServletResponse, chain: FilterChain): Unit = {
+    if(req.asInstanceOf[HttpServletRequest].getRequestURI().startsWith("/assets/")){
+      // assets don't need transaction
+      chain.doFilter(req, res)
+    } else {
+      Database(req.getServletContext) withTransaction {
+        logger.debug("begin transaction")
+        chain.doFilter(req, res)
+        logger.debug("end transaction")
+      }
+    }
+  }
+
+}
+
+object Database {
+  def apply(context: ServletContext): scala.slick.session.Database =
+    scala.slick.session.Database.forURL(context.getInitParameter("db.url"),
+        context.getInitParameter("db.user"),
+        context.getInitParameter("db.password"))
+}
--- a/src/main/scala/ssh/GitCommand.scala
+++ b/src/main/scala/ssh/GitCommand.scala
@@ -1,133 +0,0 @@
-package ssh
-
-import org.apache.sshd.server.{CommandFactory, Environment, ExitCallback, Command}
-import org.slf4j.LoggerFactory
-import java.io.{InputStream, OutputStream}
-import util.ControlUtil._
-import org.eclipse.jgit.api.Git
-import util.Directory._
-import org.eclipse.jgit.transport.{ReceivePack, UploadPack}
-import org.apache.sshd.server.command.UnknownCommand
-import servlet.{Database, CommitLogHook}
-import service.{AccountService, RepositoryService, SystemSettingsService}
-import org.eclipse.jgit.errors.RepositoryNotFoundException
-import javax.servlet.ServletContext
-import model.Session
-
-object GitCommand {
-  val CommandRegex = """\Agit-(upload|receive)-pack '/([a-zA-Z0-9\-_.]+)/([a-zA-Z0-9\-_.]+).git'\Z""".r
-}
-
-abstract class GitCommand(val context: ServletContext, val owner: String, val repoName: String) extends Command {
-  self: RepositoryService with AccountService =>
-
-  private val logger = LoggerFactory.getLogger(classOf[GitCommand])
-  protected var err: OutputStream = null
-  protected var in: InputStream = null
-  protected var out: OutputStream = null
-  protected var callback: ExitCallback = null
-
-  protected def runTask(user: String)(implicit session: Session): Unit
-
-  private def newTask(user: String): Runnable = new Runnable {
-    override def run(): Unit = {
-      Database(context) withSession { implicit session =>
-        try {
-          runTask(user)
-          callback.onExit(0)
-        } catch {
-          case e: RepositoryNotFoundException =>
-            logger.info(e.getMessage)
-            callback.onExit(1, "Repository Not Found")
-          case e: Throwable =>
-            logger.error(e.getMessage, e)
-            callback.onExit(1)
-        }
-      }
-    }
-  }
-
-  override def start(env: Environment): Unit = {
-    val user = env.getEnv.get("USER")
-    val thread = new Thread(newTask(user))
-    thread.start()
-  }
-
-  override def destroy(): Unit = {}
-
-  override def setExitCallback(callback: ExitCallback): Unit = {
-    this.callback = callback
-  }
-
-  override def setErrorStream(err: OutputStream): Unit = {
-    this.err = err
-  }
-
-  override def setOutputStream(out: OutputStream): Unit = {
-    this.out = out
-  }
-
-  override def setInputStream(in: InputStream): Unit = {
-    this.in = in
-  }
-
-  protected def isWritableUser(username: String, repositoryInfo: RepositoryService.RepositoryInfo)
-                              (implicit session: Session): Boolean =
-    getAccountByUserName(username) match {
-      case Some(account) => hasWritePermission(repositoryInfo.owner, repositoryInfo.name, Some(account))
-      case None => false
-    }
-
-}
-
-class GitUploadPack(context: ServletContext, owner: String, repoName: String, baseUrl: String) extends GitCommand(context, owner, repoName)
-    with RepositoryService with AccountService {
-
-  override protected def runTask(user: String)(implicit session: Session): Unit = {
-    getRepository(owner, repoName.replaceFirst("\\.wiki\\Z", ""), baseUrl).foreach { repositoryInfo =>
-      if(!repositoryInfo.repository.isPrivate || isWritableUser(user, repositoryInfo)){
-        using(Git.open(getRepositoryDir(owner, repoName))) { git =>
-          val repository = git.getRepository
-          val upload = new UploadPack(repository)
-          upload.upload(in, out, err)
-        }
-      }
-    }
-  }
-
-}
-
-class GitReceivePack(context: ServletContext, owner: String, repoName: String, baseUrl: String) extends GitCommand(context, owner, repoName)
-    with SystemSettingsService with RepositoryService with AccountService {
-
-  override protected def runTask(user: String)(implicit session: Session): Unit = {
-    getRepository(owner, repoName.replaceFirst("\\.wiki\\Z", ""), baseUrl).foreach { repositoryInfo =>
-      if(isWritableUser(user, repositoryInfo)){
-        using(Git.open(getRepositoryDir(owner, repoName))) { git =>
-          val repository = git.getRepository
-          val receive = new ReceivePack(repository)
-          if(!repoName.endsWith(".wiki")){
-            val hook = new CommitLogHook(owner, repoName, user, baseUrl)
-            receive.setPreReceiveHook(hook)
-            receive.setPostReceiveHook(hook)
-          }
-          receive.receive(in, out, err)
-        }
-      }
-    }
-  }
-
-}
-
-class GitCommandFactory(context: ServletContext, baseUrl: String) extends CommandFactory {
-  private val logger = LoggerFactory.getLogger(classOf[GitCommandFactory])
-
-  override def createCommand(command: String): Command = {
-    logger.debug(s"command: $command")
-    command match {
-      case GitCommand.CommandRegex("upload", owner, repoName) => new GitUploadPack(context, owner, repoName, baseUrl)
-      case GitCommand.CommandRegex("receive", owner, repoName) => new GitReceivePack(context, owner, repoName, baseUrl)
-      case _ => new UnknownCommand(command)
-    }
-  }
-}
--- a/src/main/scala/ssh/NoShell.scala
+++ b/src/main/scala/ssh/NoShell.scala
@@ -1,62 +0,0 @@
-package ssh
-
-import org.apache.sshd.common.Factory
-import org.apache.sshd.server.{Environment, ExitCallback, Command}
-import java.io.{OutputStream, InputStream}
-import org.eclipse.jgit.lib.Constants
-import service.SystemSettingsService
-
-class NoShell extends Factory[Command] with SystemSettingsService {
-  override def create(): Command = new Command() {
-    private var in: InputStream = null
-    private var out: OutputStream = null
-    private var err: OutputStream = null
-    private var callback: ExitCallback = null
-
-    override def start(env: Environment): Unit = {
-      val user = env.getEnv.get("USER")
-      val port = loadSystemSettings().sshPort.getOrElse(SystemSettingsService.DefaultSshPort)
-      val message =
-        """
-          | Welcome to
-          |   _____   _   _     ____                   _             _
-          |  / ____| (_) | |   |  _ \                 | |           | |
-          | | |  __   _  | |_  | |_) |  _   _    ___  | | __   ___  | |_
-          | | | |_ | | | | __| |  _ <  | | | |  / __| | |/ /  / _ \ | __|
-          | | |__| | | | | |_  | |_) | | |_| | | (__  |   <  |  __/ | |_
-          |  \_____| |_|  \__| |____/   \__,_|  \___| |_|\_\  \___|  \__|
-          |
-          | Successfully SSH Access.
-          | But interactive shell is disabled.
-          |
-          | Please use:
-          |
-          | git clone ssh://%s@GITBUCKET_HOST:%d/OWNER/REPOSITORY_NAME.git
-        """.stripMargin.format(user, port).replace("\n", "\r\n") + "\r\n"
-      err.write(Constants.encode(message))
-      err.flush()
-      in.close()
-      out.close()
-      err.close()
-      callback.onExit(127)
-    }
-
-    override def destroy(): Unit = {}
-
-    override def setInputStream(in: InputStream): Unit = {
-      this.in = in
-    }
-
-    override def setOutputStream(out: OutputStream): Unit = {
-      this.out = out
-    }
-
-    override def setErrorStream(err: OutputStream): Unit = {
-      this.err = err
-    }
-
-    override def setExitCallback(callback: ExitCallback): Unit = {
-      this.callback = callback
-    }
-  }
-}
--- a/src/main/scala/ssh/PublicKeyAuthenticator.scala
+++ b/src/main/scala/ssh/PublicKeyAuthenticator.scala
@@ -1,23 +0,0 @@
-package ssh
-
-import org.apache.sshd.server.PublickeyAuthenticator
-import org.apache.sshd.server.session.ServerSession
-import java.security.PublicKey
-import service.SshKeyService
-import servlet.Database
-import javax.servlet.ServletContext
-
-class PublicKeyAuthenticator(context: ServletContext) extends PublickeyAuthenticator with SshKeyService {
-
-  override def authenticate(username: String, key: PublicKey, session: ServerSession): Boolean = {
-    Database(context) withSession { implicit session =>
-      getPublicKeys(username).exists { sshKey =>
-        SshUtil.str2PublicKey(sshKey.publicKey) match {
-          case Some(publicKey) => key.equals(publicKey)
-          case _ => false
-        }
-      }
-    }
-  }
-
-}
--- a/src/main/scala/ssh/SshServerListener.scala
+++ b/src/main/scala/ssh/SshServerListener.scala
@@ -1,70 +0,0 @@
-package ssh
-
-import javax.servlet.{ServletContext, ServletContextEvent, ServletContextListener}
-import org.apache.sshd.server.keyprovider.SimpleGeneratorHostKeyProvider
-import org.slf4j.LoggerFactory
-import util.Directory
-import service.SystemSettingsService
-import java.util.concurrent.atomic.AtomicBoolean
-
-object SshServer {
-  private val logger = LoggerFactory.getLogger(SshServer.getClass)
-  private val server = org.apache.sshd.SshServer.setUpDefaultServer()
-  private val active = new AtomicBoolean(false)
-
-  private def configure(context: ServletContext, port: Int, baseUrl: String) = {
-    server.setPort(port)
-    server.setKeyPairProvider(new SimpleGeneratorHostKeyProvider(s"${Directory.GitBucketHome}/gitbucket.ser"))
-    server.setPublickeyAuthenticator(new PublicKeyAuthenticator(context))
-    server.setCommandFactory(new GitCommandFactory(context, baseUrl))
-    server.setShellFactory(new NoShell)
-  }
-
-  def start(context: ServletContext, port: Int, baseUrl: String) = {
-    if(active.compareAndSet(false, true)){
-      configure(context, port, baseUrl)
-      server.start()
-      logger.info(s"Start SSH Server Listen on ${server.getPort}")
-    }
-  }
-
-  def stop() = {
-    if(active.compareAndSet(true, false)){
-      server.stop(true)
-      logger.info("SSH Server is stopped.")
-    }
-  }
-
-  def isActive = active.get
-}
-
-/*
- * Start a SSH Server Daemon
- *
- * How to use:
- * git clone ssh://username@host_or_ip:29418/owner/repository_name.git
- */
-class SshServerListener extends ServletContextListener with SystemSettingsService {
-
-  private val logger = LoggerFactory.getLogger(classOf[SshServerListener])
-
-  override def contextInitialized(sce: ServletContextEvent): Unit = {
-    val settings = loadSystemSettings()
-    if(settings.ssh){
-      settings.baseUrl match {
-        case None =>
-          logger.error("Could not start SshServer because the baseUrl is not configured.")
-        case Some(baseUrl) =>
-          SshServer.start(sce.getServletContext,
-            settings.sshPort.getOrElse(SystemSettingsService.DefaultSshPort), baseUrl)
-      }
-    }
-  }
-
-  override def contextDestroyed(sce: ServletContextEvent): Unit = {
-    if(loadSystemSettings().ssh){
-      SshServer.stop()
-    }
-  }
-
-}
--- a/src/main/scala/ssh/SshUtil.scala
+++ b/src/main/scala/ssh/SshUtil.scala
@@ -1,36 +0,0 @@
-package ssh
-
-import java.security.PublicKey
-import org.slf4j.LoggerFactory
-import org.apache.commons.codec.binary.Base64
-import org.eclipse.jgit.lib.Constants
-import org.apache.sshd.common.util.{KeyUtils, Buffer}
-
-object SshUtil {
-
-  private val logger = LoggerFactory.getLogger(SshUtil.getClass)
-
-  def str2PublicKey(key: String): Option[PublicKey] = {
-    // TODO RFC 4716 Public Key is not supported...
-    val parts = key.split(" ")
-    if (parts.size < 2) {
-      logger.debug(s"Invalid PublicKey Format: ${key}")
-      return None
-    }
-    try {
-      val encodedKey = parts(1)
-      val decode = Base64.decodeBase64(Constants.encodeASCII(encodedKey))
-      Some(new Buffer(decode).getRawPublicKey)
-    } catch {
-      case e: Throwable =>
-        logger.debug(e.getMessage, e)
-        None
-    }
-  }
-
-  def fingerPrint(key: String): Option[String] = str2PublicKey(key) match {
-    case Some(publicKey) => Some(KeyUtils.getFingerPrint(publicKey))
-    case None => None
-  }
-
-}
--- a/src/main/scala/util/Authenticator.scala
+++ b/src/main/scala/util/Authenticator.scala
@@ -29,7 +29,7 @@ trait OneselfAuthenticator { self: ControllerBase =>
 /**
 * Allows only the repository owner and administrators.
 */
-trait OwnerAuthenticator { self: ControllerBase with RepositoryService with AccountService =>
+trait OwnerAuthenticator { self: ControllerBase with RepositoryService =>
  protected def ownerOnly(action: (RepositoryInfo) => Any) = { authenticate(action) }
  protected def ownerOnly[T](action: (T, RepositoryInfo) => Any) = (form: T) => { authenticate(action(form, _)) }

@@ -40,9 +40,6 @@ trait OwnerAuthenticator { self: ControllerBase with RepositoryService with Acco
          context.loginAccount match {
            case Some(x) if(x.isAdmin) => action(repository)
            case Some(x) if(repository.owner == x.userName) => action(repository)
-            case Some(x) if(getGroupMembers(repository.owner).exists { member =>
-              member.userName == x.userName && member.isManager == true
-            }) => action(repository)
            case _ => Unauthorized()
          }
        } getOrElse NotFound()
@@ -109,7 +106,7 @@ trait CollaboratorsAuthenticator { self: ControllerBase with RepositoryService =
 }

 /**
- * Allows only the repository owner (or manager for group repository) and administrators.
+ * Allows only the repository owner and administrators.
 */
 trait ReferrerAuthenticator { self: ControllerBase with RepositoryService =>
  protected def referrersOnly(action: (RepositoryInfo) => Any) = { authenticate(action) }
@@ -158,24 +155,3 @@ trait ReadableUsersAuthenticator { self: ControllerBase with RepositoryService =
    }
  }
 }
-
-/**
- * Allows only the group managers.
- */
-trait GroupManagerAuthenticator { self: ControllerBase with AccountService =>
-  protected def managersOnly(action: => Any) = { authenticate(action) }
-  protected def managersOnly[T](action: T => Any) = (form: T) => { authenticate(action(form)) }
-
-  private def authenticate(action: => Any) = {
-    {
-      defining(request.paths){ paths =>
-        context.loginAccount match {
-          case Some(x) if(getGroupMembers(paths(0)).exists { member =>
-            member.userName == x.userName && member.isManager
-          }) => action
-          case _ => Unauthorized()
-        }
-      }
-    }
-  }
-}
--- a/src/main/scala/util/ControlUtil.scala
+++ b/src/main/scala/util/ControlUtil.scala
@@ -16,7 +16,7 @@ object ControlUtil {
  def using[A <% { def close(): Unit }, B](resource: A)(f: A => B): B =
    try f(resource) finally {
      if(resource != null){
-        ignoring(classOf[Throwable]) {
+        allCatch {
          resource.close()
        }
      }
@@ -37,4 +37,15 @@ object ControlUtil {
  def using[T](treeWalk: TreeWalk)(f: TreeWalk => T): T =
    try f(treeWalk) finally treeWalk.release()

+
+//  def withTmpRefSpec[T](ref: RefSpec, git: Git)(f: RefSpec => T): T = {
+//    try {
+//      f(ref)
+//    } finally {
+//      val refUpdate = git.getRepository.updateRef(ref.getDestination)
+//      refUpdate.setForceUpdate(true)
+//      refUpdate.delete()
+//    }
+//  }
+
 }
--- a/src/main/scala/util/Directory.scala
+++ b/src/main/scala/util/Directory.scala
@@ -29,14 +29,24 @@ object Directory {
  }).getAbsolutePath

  val GitBucketConf = new File(GitBucketHome, "gitbucket.conf")
-
+  
  val RepositoryHome = s"${GitBucketHome}/repositories"

  val DatabaseHome = s"${GitBucketHome}/data"
-
-  val PluginHome = s"${GitBucketHome}/plugins"
-
-  val TemporaryHome = s"${GitBucketHome}/tmp"
+  
+  /**
+   * Repository names of the specified user.
+   */
+  def getRepositories(owner: String): List[String] =
+    defining(new File(s"${RepositoryHome}/${owner}")){ dir =>
+      if(dir.exists){
+        dir.listFiles.filter { file =>
+          file.isDirectory && !file.getName.endsWith(".wiki.git")
+        }.map(_.getName.replaceFirst("\\.git$", "")).toList
+      } else {
+        Nil
+      }
+    }

  /**
   * Substance directory of the repository.
@@ -44,33 +54,16 @@ object Directory {
  def getRepositoryDir(owner: String, repository: String): File =
    new File(s"${RepositoryHome}/${owner}/${repository}.git")

-  /**
-   * Directory for files which are attached to issue.
-   */
-  def getAttachedDir(owner: String, repository: String): File =
-    new File(s"${RepositoryHome}/${owner}/${repository}/issues")
-
  /**
   * Directory for uploaded files by the specified user.
   */
  def getUserUploadDir(userName: String): File = new File(s"${GitBucketHome}/data/${userName}/files")

-  /**
-   * Root of temporary directories for the upload file.
-   */
-  def getTemporaryDir(sessionId: String): File =
-    new File(s"${TemporaryHome}/_upload/${sessionId}")
-
  /**
   * Root of temporary directories for the specified repository.
   */
  def getTemporaryDir(owner: String, repository: String): File =
-    new File(s"${TemporaryHome}/${owner}/${repository}")
-
-  /**
-   * Root of plugin cache directory. Plugin repositories are cloned into this directory.
-   */
-  def getPluginCacheDir(): File = new File(s"${TemporaryHome}/_plugins")
+    new File(s"${GitBucketHome}/tmp/${owner}/${repository}")

  /**
   * Temporary directory which is used to create an archive to download repository contents.
--- a/src/main/scala/util/FileUtil.scala
+++ b/src/main/scala/util/FileUtil.scala
@@ -4,10 +4,9 @@ import org.apache.commons.io.FileUtils
 import java.net.URLConnection
 import java.io.File
 import util.ControlUtil._
-import scala.util.Random

 object FileUtil {
-
+  
  def getMimeType(name: String): String =
    defining(URLConnection.getFileNameMap()){ fileNameMap =>
      fileNameMap.getContentTypeFor(name) match {
@@ -27,12 +26,32 @@ object FileUtil {
  }

  def isImage(name: String): Boolean = getMimeType(name).startsWith("image/")
-
+  
  def isLarge(size: Long): Boolean = (size > 1024 * 1000)
-
+  
  def isText(content: Array[Byte]): Boolean = !content.contains(0)

-  def generateFileId: String = System.currentTimeMillis + Random.alphanumeric.take(10).mkString
+//  def createZipFile(dest: File, dir: File): Unit = {
+//    def addDirectoryToZip(out: ZipArchiveOutputStream, dir: File, path: String): Unit = {
+//      dir.listFiles.map { file =>
+//        if(file.isFile){
+//          out.putArchiveEntry(new ZipArchiveEntry(path + "/" + file.getName))
+//          out.write(FileUtils.readFileToByteArray(file))
+//          out.closeArchiveEntry
+//        } else if(file.isDirectory){
+//          addDirectoryToZip(out, file, path + "/" + file.getName)
+//        }
+//      }
+//    }
+//
+//    using(new ZipArchiveOutputStream(dest)){ out =>
+//      addDirectoryToZip(out, dir, dir.getName)
+//    }
+//  }
+
+  def getFileName(path: String): String = defining(path.lastIndexOf('/')){ i =>
+    if(i >= 0) path.substring(i + 1) else path
+  }

  def getExtension(name: String): String =
    name.lastIndexOf('.') match {
--- a/src/main/scala/util/Implicits.scala
+++ b/src/main/scala/util/Implicits.scala
@@ -2,8 +2,6 @@ package util

 import scala.util.matching.Regex
 import scala.util.control.Exception._
-import slick.jdbc.JdbcBackend
-import servlet.Database
 import javax.servlet.http.{HttpSession, HttpServletRequest}

 /**
@@ -11,9 +9,6 @@ import javax.servlet.http.{HttpSession, HttpServletRequest}
 */
 object Implicits {

-  // Convert to slick session.
-  implicit def request2Session(implicit request: HttpServletRequest): JdbcBackend#Session = Database.getSession(request)
-
  implicit class RichSeq[A](seq: Seq[A]) {

    def splitWith(condition: (A, A) => Boolean): Seq[Seq[A]] = split(seq)(condition)
--- a/src/main/scala/util/JGitUtil.scala
+++ b/src/main/scala/util/JGitUtil.scala
@@ -4,7 +4,6 @@ import org.eclipse.jgit.api.Git
 import util.Directory._
 import util.StringUtil._
 import util.ControlUtil._
-import scala.annotation.tailrec
 import scala.collection.JavaConverters._
 import org.eclipse.jgit.lib._
 import org.eclipse.jgit.revwalk._
@@ -12,20 +11,17 @@ import org.eclipse.jgit.revwalk.filter._
 import org.eclipse.jgit.treewalk._
 import org.eclipse.jgit.treewalk.filter._
 import org.eclipse.jgit.diff.DiffEntry.ChangeType
-import org.eclipse.jgit.errors.{ConfigInvalidException, MissingObjectException}
+import org.eclipse.jgit.errors.MissingObjectException
 import java.util.Date
 import org.eclipse.jgit.api.errors.NoHeadException
 import service.RepositoryService
 import org.eclipse.jgit.dircache.DirCacheEntry
-import org.slf4j.LoggerFactory

 /**
 * Provides complex JGit operations.
 */
 object JGitUtil {

-  private val logger = LoggerFactory.getLogger(JGitUtil.getClass)
-
  /**
   * The repository data.
   *
@@ -36,11 +32,7 @@ object JGitUtil {
   * @param branchList the list of branch names
   * @param tags the list of tags
   */
-  case class RepositoryInfo(owner: String, name: String, url: String, commitCount: Int, branchList: List[String], tags: List[TagInfo]){
-    def this(owner: String, name: String, baseUrl: String) = {
-      this(owner, name, s"${baseUrl}/git/${owner}/${name}.git", 0, Nil, Nil)
-    }
-  }
+  case class RepositoryInfo(owner: String, name: String, url: String, commitCount: Int, branchList: List[String], tags: List[TagInfo])

  /**
   * The file data for the file list of the repository viewer.
@@ -48,55 +40,49 @@ object JGitUtil {
   * @param id the object id
   * @param isDirectory whether is it directory
   * @param name the file (or directory) name
+   * @param time the last modified time
   * @param message the last commit message
   * @param commitId the last commit id
-   * @param time the last modified time
-   * @param author the last committer name
+   * @param committer the last committer name
   * @param mailAddress the committer's mail address
-   * @param linkUrl the url of submodule
   */
-  case class FileInfo(id: ObjectId, isDirectory: Boolean, name: String, message: String, commitId: String,
-                      time: Date, author: String, mailAddress: String, linkUrl: Option[String])
+  case class FileInfo(id: ObjectId, isDirectory: Boolean, name: String, time: Date, message: String, commitId: String,
+                      committer: String, mailAddress: String)

  /**
   * The commit data.
   *
   * @param id the commit id
+   * @param time the commit time
+   * @param committer  the committer name
+   * @param mailAddress the mail address of the committer
   * @param shortMessage the short message
   * @param fullMessage the full message
   * @param parents the list of parent commit id
-   * @param authorTime the author time
-   * @param authorName the author name
-   * @param authorEmailAddress the mail address of the author
-   * @param commitTime the commit time
-   * @param committerName  the committer name
-   * @param committerEmailAddress the mail address of the committer
   */
-  case class CommitInfo(id: String, shortMessage: String, fullMessage: String, parents: List[String],
-                        authorTime: Date, authorName: String, authorEmailAddress: String,
-                        commitTime: Date, committerName: String, committerEmailAddress: String){
+  case class CommitInfo(id: String, time: Date, committer: String, mailAddress: String,
+                        shortMessage: String, fullMessage: String, parents: List[String]){
    
    def this(rev: org.eclipse.jgit.revwalk.RevCommit) = this(
        rev.getName,
-        rev.getShortMessage,
-        rev.getFullMessage,
-        rev.getParents().map(_.name).toList,
-        rev.getAuthorIdent.getWhen,
-        rev.getAuthorIdent.getName,
-        rev.getAuthorIdent.getEmailAddress,
        rev.getCommitterIdent.getWhen,
        rev.getCommitterIdent.getName,
-        rev.getCommitterIdent.getEmailAddress)
+        rev.getCommitterIdent.getEmailAddress,
+        rev.getShortMessage,
+        rev.getFullMessage,
+        rev.getParents().map(_.name).toList)

-    val summary = getSummaryMessage(fullMessage, shortMessage)
+    val summary = defining(fullMessage.trim.indexOf("\n")){ i =>
+      defining(if(i >= 0) fullMessage.trim.substring(0, i).trim else fullMessage){ firstLine =>
+        if(firstLine.length > shortMessage.length) shortMessage else firstLine
+      }
+    }

    val description = defining(fullMessage.trim.indexOf("\n")){ i =>
      if(i >= 0){
        Some(fullMessage.trim.substring(i).trim)
      } else None
    }
-
-    def isDifferentFromAuthor: Boolean = authorName != committerName || authorEmailAddress != committerEmailAddress
  }

  case class DiffInfo(changeType: ChangeType, oldPath: String, newPath: String, oldContent: Option[String], newContent: Option[String])
@@ -106,14 +92,8 @@ object JGitUtil {
   *
   * @param viewType "image", "large" or "other"
   * @param content the string content
-   * @param charset the character encoding
   */
-  case class ContentInfo(viewType: String, content: Option[String], charset: Option[String]){
-    /**
-     * the line separator of this content ("LF" or "CRLF")
-     */
-    val lineSeparator: String = if(content.exists(_.indexOf("\r\n") >= 0)) "CRLF" else "LF"
-  }
+  case class ContentInfo(viewType: String, content: Option[String])

  /**
   * The tag data.
@@ -124,15 +104,6 @@ object JGitUtil {
   */
  case class TagInfo(name: String, time: Date, id: String)

-  /**
-   * The submodule data
-   *
-   * @param name the module name
-   * @param path the path in the repository
-   * @param url the repository url of this module
-   */
-  case class SubmoduleInfo(name: String, path: String, url: String)
-
  /**
   * Returns RevCommit from the commit or tag id.
   * 
@@ -157,7 +128,7 @@ object JGitUtil {
    using(Git.open(getRepositoryDir(owner, repository))){ git =>
      try {
        // get commit count
-        val commitCount = git.log.all.call.iterator.asScala.map(_ => 1).take(10001).sum
+        val commitCount = git.log.all.call.iterator.asScala.map(_ => 1).take(1000).sum

        RepositoryInfo(
          owner, repository, s"${baseUrl}/git/${owner}/${repository}.git",
@@ -165,12 +136,12 @@ object JGitUtil {
          commitCount,
          // branches
          git.branchList.call.asScala.map { ref =>
-            ref.getName.stripPrefix("refs/heads/")
+            ref.getName.replaceFirst("^refs/heads/", "")
          }.toList,
          // tags
          git.tagList.call.asScala.map { ref =>
            val revCommit = getRevCommitFromId(git, ref.getObjectId)
-            TagInfo(ref.getName.stripPrefix("refs/tags/"), revCommit.getCommitterIdent.getWhen, revCommit.getName)
+            TagInfo(ref.getName.replaceFirst("^refs/tags/", ""), revCommit.getCommitterIdent.getWhen, revCommit.getName)
          }.toList
        )
      } catch {
@@ -181,7 +152,7 @@ object JGitUtil {
      }
    }
  }
-
+  
  /**
   * Returns the file list of the specified path.
   * 
@@ -191,73 +162,55 @@ object JGitUtil {
   * @return HTML of the file list
   */
  def getFileList(git: Git, revision: String, path: String = "."): List[FileInfo] = {
-    var list = new scala.collection.mutable.ListBuffer[(ObjectId, FileMode, String, String, Option[String])]
+    val list = new scala.collection.mutable.ListBuffer[(ObjectId, FileMode, String, String)]

    using(new RevWalk(git.getRepository)){ revWalk =>
      val objectId  = git.getRepository.resolve(revision)
      val revCommit = revWalk.parseCommit(objectId)

-      val treeWalk = if (path == ".") {
-        val treeWalk = new TreeWalk(git.getRepository)
+      using(new TreeWalk(git.getRepository)){ treeWalk =>
        treeWalk.addTree(revCommit.getTree)
-        treeWalk
-      } else {
-        val treeWalk = TreeWalk.forPath(git.getRepository, path, revCommit.getTree)
-        treeWalk.enterSubtree()
-        treeWalk
-      }
+        if(path != "."){
+          treeWalk.setRecursive(true)
+          treeWalk.setFilter(new TreeFilter(){

-      using(treeWalk) { treeWalk =>
-        while (treeWalk.next()) {
-          // submodule
-          val linkUrl = if(treeWalk.getFileMode(0) == FileMode.GITLINK){
-            getSubmodules(git, revCommit.getTree).find(_.path == treeWalk.getPathString).map(_.url)
-          } else None
+            var stopRecursive = false

-          list.append((treeWalk.getObjectId(0), treeWalk.getFileMode(0), treeWalk.getPathString, treeWalk.getNameString, linkUrl))
-        }
-
-        list = list.map(tuple =>
-          if (tuple._2 != FileMode.TREE)
-            tuple
-          else
-            simplifyPath(tuple)
-        )
-
-        @tailrec
-        def simplifyPath(tuple: (ObjectId, FileMode, String, String, Option[String])): (ObjectId, FileMode, String, String, Option[String]) = {
-          val list = new scala.collection.mutable.ListBuffer[(ObjectId, FileMode, String, String, Option[String])]
-          using(new TreeWalk(git.getRepository)) { walk =>
-            walk.addTree(tuple._1)
-            while (walk.next() && list.size < 2) {
-              val linkUrl = if (walk.getFileMode(0) == FileMode.GITLINK) {
-                getSubmodules(git, revCommit.getTree).find(_.path == walk.getPathString).map(_.url)
-              } else None
-              list.append((walk.getObjectId(0), walk.getFileMode(0), tuple._3 + "/" + walk.getPathString, tuple._4 + "/" + walk.getNameString, linkUrl))
+            def include(walker: TreeWalk): Boolean = {
+              val targetPath = walker.getPathString
+              if((path + "/").startsWith(targetPath)){
+                true
+              } else if(targetPath.startsWith(path + "/") && targetPath.substring(path.length + 1).indexOf("/") < 0){
+                stopRecursive = true
+                treeWalk.setRecursive(false)
+                true
+              } else {
+                false
+              }
            }
-          }
-          if (list.size != 1 || list.exists(_._2 != FileMode.TREE))
-            tuple
-          else
-            simplifyPath(list(0))
+
+            def shouldBeRecursive(): Boolean = !stopRecursive
+
+            override def clone: TreeFilter = return this
+          })
+        }
+        while (treeWalk.next()) {
+          list.append((treeWalk.getObjectId(0), treeWalk.getFileMode(0), treeWalk.getPathString, treeWalk.getNameString))
        }
      }
    }

    val commits = getLatestCommitFromPaths(git, list.toList.map(_._3), revision)
-    list.map { case (objectId, fileMode, path, name, linkUrl) =>
-      defining(commits(path)){ commit =>
-        FileInfo(
-          objectId,
-          fileMode == FileMode.TREE || fileMode == FileMode.GITLINK,
-          name,
-          getSummaryMessage(commit.getFullMessage, commit.getShortMessage),
-          commit.getName,
-          commit.getAuthorIdent.getWhen,
-          commit.getAuthorIdent.getName,
-          commit.getAuthorIdent.getEmailAddress,
-          linkUrl)
-      }
+    list.map { case (objectId, fileMode, path, name) =>
+      FileInfo(
+        objectId,
+        fileMode == FileMode.TREE,
+        name,
+        commits(path).getCommitterIdent.getWhen,
+        commits(path).getShortMessage,
+        commits(path).getName,
+        commits(path).getCommitterIdent.getName,
+        commits(path).getCommitterIdent.getEmailAddress)
    }.sortWith { (file1, file2) =>
      (file1.isDirectory, file2.isDirectory) match {
        case (true , false) => true
@@ -266,18 +219,7 @@ object JGitUtil {
      }
    }.toList
  }
-
-  /**
-   * Returns the first line of the commit message.
-   */
-  private def getSummaryMessage(fullMessage: String, shortMessage: String): String = {
-    defining(fullMessage.trim.indexOf("\n")){ i =>
-      defining(if(i >= 0) fullMessage.trim.substring(0, i).trim else fullMessage){ firstLine =>
-        if(firstLine.length > shortMessage.length) shortMessage else firstLine
-      }
-    }
-  }
-
+  
  /**
   * Returns the commit list of the specified branch.
   * 
@@ -383,6 +325,27 @@ object JGitUtil {
    }.toMap
  }

+  /**
+   * Get object content of the given id as String from the Git repository.
+   * 
+   * @param git the Git object
+   * @param id the object id
+   * @param large if false then returns None for the large file
+   * @return the object or None if object does not exist
+   */
+  def getContent(git: Git, id: ObjectId, large: Boolean): Option[Array[Byte]] = try {
+    val loader = git.getRepository.getObjectDatabase.open(id)
+    if(large == false && FileUtil.isLarge(loader.getSize)){
+      None
+    } else {
+      using(git.getRepository.getObjectDatabase){ db =>
+        Some(db.open(id).getBytes)
+      }
+    }
+  } catch {
+    case e: MissingObjectException => None
+  }
+
  /**
   * Returns the tuple of diff of the given commit and the previous commit id.
   */
@@ -401,12 +364,7 @@ object JGitUtil {

      if(commits.length >= 2){
        // not initial commit
-        val oldCommit = if(revCommit.getParentCount >= 2) {
-          // merge commit
-          revCommit.getParents.head
-        } else {
-          commits(1)
-        }
+        val oldCommit = commits(1)
        (getDiffs(git, oldCommit.getName, id, fetchContent), Some(oldCommit.getName))

      } else {
@@ -419,7 +377,7 @@ object JGitUtil {
              DiffInfo(ChangeType.ADD, null, treeWalk.getPathString, None, None)
            } else {
              DiffInfo(ChangeType.ADD, null, treeWalk.getPathString, None,
-                JGitUtil.getContentFromId(git, treeWalk.getObjectId(0), false).filter(FileUtil.isText).map(convertFromByteArray))
+                JGitUtil.getContent(git, treeWalk.getObjectId(0), false).filter(FileUtil.isText).map(convertFromByteArray))
            }))
          }
          (buffer.toList, None)
@@ -442,8 +400,8 @@ object JGitUtil {
        DiffInfo(diff.getChangeType, diff.getOldPath, diff.getNewPath, None, None)
      } else {
        DiffInfo(diff.getChangeType, diff.getOldPath, diff.getNewPath,
-          JGitUtil.getContentFromId(git, diff.getOldId.toObjectId, false).filter(FileUtil.isText).map(convertFromByteArray),
-          JGitUtil.getContentFromId(git, diff.getNewId.toObjectId, false).filter(FileUtil.isText).map(convertFromByteArray))
+          JGitUtil.getContent(git, diff.getOldId.toObjectId, false).filter(FileUtil.isText).map(convertFromByteArray),
+          JGitUtil.getContent(git, diff.getNewId.toObjectId, false).filter(FileUtil.isText).map(convertFromByteArray))
      }
    }.toList
  }
@@ -515,7 +473,7 @@ object JGitUtil {
  }

  def createNewCommit(git: Git, inserter: ObjectInserter, headId: AnyObjectId, treeId: AnyObjectId,
-                      ref: String, fullName: String, mailAddress: String, message: String): ObjectId = {
+                              fullName: String, mailAddress: String, message: String): String = {
    val newCommit = new CommitBuilder()
    newCommit.setCommitter(new PersonIdent(fullName, mailAddress))
    newCommit.setAuthor(new PersonIdent(fullName, mailAddress))
@@ -529,149 +487,11 @@ object JGitUtil {
    inserter.flush()
    inserter.release()

-    val refUpdate = git.getRepository.updateRef(ref)
+    val refUpdate = git.getRepository.updateRef(Constants.HEAD)
    refUpdate.setNewObjectId(newHeadId)
    refUpdate.update()

-    newHeadId
-  }
-
-  /**
-   * Read submodule information from .gitmodules
-   */
-  def getSubmodules(git: Git, tree: RevTree): List[SubmoduleInfo] = {
-    val repository = git.getRepository
-    getContentFromPath(git, tree, ".gitmodules", true).map { bytes =>
-      (try {
-        val config = new BlobBasedConfig(repository.getConfig(), bytes)
-        config.getSubsections("submodule").asScala.map { module =>
-          val path = config.getString("submodule", module, "path")
-          val url  = config.getString("submodule", module, "url")
-          SubmoduleInfo(module, path, url)
-        }
-      } catch {
-        case e: ConfigInvalidException => {
-          logger.error("Failed to load .gitmodules file for " + repository.getDirectory(), e)
-          Nil
-        }
-      }).toList
-    } getOrElse Nil
-	}
-
-  /**
-   * Get object content of the given path as byte array from the Git repository.
-   *
-   * @param git the Git object
-   * @param revTree the rev tree
-   * @param path the path
-   * @param fetchLargeFile if false then returns None for the large file
-   * @return the byte array of content or None if object does not exist
-   */
-  def getContentFromPath(git: Git, revTree: RevTree, path: String, fetchLargeFile: Boolean): Option[Array[Byte]] = {
-    @scala.annotation.tailrec
-    def getPathObjectId(path: String, walk: TreeWalk): Option[ObjectId] = walk.next match {
-      case true if(walk.getPathString == path) => Some(walk.getObjectId(0))
-      case true  => getPathObjectId(path, walk)
-      case false => None
-    }
-
-    using(new TreeWalk(git.getRepository)){ treeWalk =>
-      treeWalk.addTree(revTree)
-      treeWalk.setRecursive(true)
-      getPathObjectId(path, treeWalk)
-    } flatMap { objectId =>
-      getContentFromId(git, objectId, fetchLargeFile)
-    }
-  }
-
-  def getContentInfo(git: Git, path: String, objectId: ObjectId): ContentInfo = {
-    // Viewer
-    val large  = FileUtil.isLarge(git.getRepository.getObjectDatabase.open(objectId).getSize)
-    val viewer = if(FileUtil.isImage(path)) "image" else if(large) "large" else "other"
-    val bytes  = if(viewer == "other") JGitUtil.getContentFromId(git, objectId, false) else None
-
-    if(viewer == "other"){
-      if(bytes.isDefined && FileUtil.isText(bytes.get)){
-        // text
-        ContentInfo("text", Some(StringUtil.convertFromByteArray(bytes.get)), Some(StringUtil.detectEncoding(bytes.get)))
-      } else {
-        // binary
-        ContentInfo("binary", None, None)
-      }
-    } else {
-      // image or large
-      ContentInfo(viewer, None, None)
-    }
-  }
-
-  /**
-   * Get object content of the given object id as byte array from the Git repository.
-   *
-   * @param git the Git object
-   * @param id the object id
-   * @param fetchLargeFile if false then returns None for the large file
-   * @return the byte array of content or None if object does not exist
-   */
-  def getContentFromId(git: Git, id: ObjectId, fetchLargeFile: Boolean): Option[Array[Byte]] = try {
-    val loader = git.getRepository.getObjectDatabase.open(id)
-    if(fetchLargeFile == false && FileUtil.isLarge(loader.getSize)){
-      None
-    } else {
-      using(git.getRepository.getObjectDatabase){ db =>
-        Some(db.open(id).getBytes)
-      }
-    }
-  } catch {
-    case e: MissingObjectException => None
-  }
-
-  /**
-   * Returns all commit id in the specified repository.
-   */
-  def getAllCommitIds(git: Git): Seq[String] = if(isEmpty(git)) {
-    Nil
-  } else {
-    val existIds = new scala.collection.mutable.ListBuffer[String]()
-    val i = git.log.all.call.iterator
-    while(i.hasNext){
-      existIds += i.next.name
-    }
-    existIds.toSeq
-  }
-
-  def processTree(git: Git, id: ObjectId)(f: (String, CanonicalTreeParser) => Unit) = {
-    using(new RevWalk(git.getRepository)){ revWalk =>
-      using(new TreeWalk(git.getRepository)){ treeWalk =>
-        val index = treeWalk.addTree(revWalk.parseTree(id))
-        treeWalk.setRecursive(true)
-        while(treeWalk.next){
-          f(treeWalk.getPathString, treeWalk.getTree(index, classOf[CanonicalTreeParser]))
-        }
-      }
-    }
-  }
-
-  /**
-   * Returns the identifier of the root commit (or latest merge commit) of the specified branch.
-   */
-  def getForkedCommitId(oldGit: Git, newGit: Git,
-                        userName: String, repositoryName: String, branch: String,
-                        requestUserName: String, requestRepositoryName: String, requestBranch: String): String =
-    defining(getAllCommitIds(oldGit)){ existIds =>
-      getCommitLogs(newGit, requestBranch, true) { commit =>
-        existIds.contains(commit.name) && getBranchesOfCommit(oldGit, commit.getName).contains(branch)
-      }.head.id
-    }
-
-  /**
-   * Returns the last modified commit of specified path
-   * @param git the Git object
-   * @param startCommit the search base commit id
-   * @param path the path of target file or directory
-   * @return the last modified commit of specified path
-   */
-  def getLastModifiedCommit(git: Git, startCommit: RevCommit, path: String): RevCommit = {
-    return git.log.add(startCommit).addPath(path).setMaxCount(1).call.iterator.next
+    newHeadId.getName
  }

 }
--- a/src/main/scala/util/Keys.scala
+++ b/src/main/scala/util/Keys.scala
@@ -61,11 +61,6 @@ object Keys {
   */
  object Request {

-    /**
-     * Request key for the Slick Session.
-     */
-    val DBSession = "DB_SESSION"
-
    /**
     * Request key for the Ajax request flag.
     */
--- a/src/main/scala/util/LDAPUtil.scala
+++ b/src/main/scala/util/LDAPUtil.scala
@@ -7,7 +7,6 @@ import java.security.Security
 import org.slf4j.LoggerFactory
 import service.SystemSettingsService.Ldap
 import scala.annotation.tailrec
-import model.Account

 /**
 * Utility for LDAP authentication.
@@ -17,26 +16,6 @@ object LDAPUtil {
  private val LDAP_VERSION: Int = LDAPConnection.LDAP_V3
  private val logger = LoggerFactory.getLogger(getClass().getName())

-  private val LDAP_DUMMY_MAL = "@ldap-devnull"
-
-  /**
-   * Returns true if mail address ends with "@ldap-devnull"
-   */
-  def isDummyMailAddress(account: Account): Boolean = {
-    account.mailAddress.endsWith(LDAP_DUMMY_MAL)
-  }
-
-  /**
-   * Creates dummy address (userName@ldap-devnull) for LDAP login.
-   *
-   * If  mail address is not managed in LDAP server, GitBucket stores this dummy address in first LDAP login.
-   * GitBucket does not send any mails to this dummy address. And these users must input their mail address
-   * at the first step after LDAP authentication.
-   */
-  def createDummyMailAddress(userName: String): String = {
-    userName + LDAP_DUMMY_MAL
-  }
-
  /**
   * Try authentication by LDAP using given configuration.
   * Returns Right(LDAPUserInfo) if authentication is successful, otherwise  Left(errorMessage).
@@ -51,7 +30,7 @@ object LDAPUtil {
      keystore = ldapSettings.keystore.getOrElse(""),
      error    = "System LDAP authentication failed."
    ){ conn =>
-      findUser(conn, userName, ldapSettings.baseDN, ldapSettings.userNameAttribute, ldapSettings.additionalFilterCondition) match {
+      findUser(conn, userName, ldapSettings.baseDN, ldapSettings.userNameAttribute) match {
        case Some(userDN) => userAuthentication(ldapSettings, userDN, userName, password)
        case None         => Left("User does not exist.")
      }
@@ -68,34 +47,18 @@ object LDAPUtil {
      keystore = ldapSettings.keystore.getOrElse(""),
      error    = "User LDAP Authentication Failed."
    ){ conn =>
-      if(ldapSettings.mailAttribute.getOrElse("").isEmpty) {
-        Right(LDAPUserInfo(
+      findMailAddress(conn, userDN, ldapSettings.mailAttribute) match {
+        case Some(mailAddress) => Right(LDAPUserInfo(
          userName    = userName,
          fullName    = ldapSettings.fullNameAttribute.flatMap { fullNameAttribute =>
-            findFullName(conn, userDN, ldapSettings.userNameAttribute, userName, fullNameAttribute)
+            findFullName(conn, userDN, fullNameAttribute)
          }.getOrElse(userName),
-          mailAddress = createDummyMailAddress(userName)))
-      } else {
-        findMailAddress(conn, userDN, ldapSettings.userNameAttribute, userName, ldapSettings.mailAttribute.get) match {
-          case Some(mailAddress) => Right(LDAPUserInfo(
-            userName    = getUserNameFromMailAddress(userName),
-            fullName    = ldapSettings.fullNameAttribute.flatMap { fullNameAttribute =>
-              findFullName(conn, userDN, ldapSettings.userNameAttribute, userName, fullNameAttribute)
-            }.getOrElse(userName),
-            mailAddress = mailAddress))
-          case None => Left("Can't find mail address.")
-        }
+          mailAddress = mailAddress))
+        case None => Left("Can't find mail address.")
      }
    }
  }

-  private def getUserNameFromMailAddress(userName: String): String = {
-    (userName.indexOf('@') match {
-      case i if i >= 0 => userName.substring(0, i)
-      case i           => userName
-    }).replaceAll("[^a-zA-Z0-9\\-_.]", "").replaceAll("^[_\\-]", "")
-  }
-
  private def bind[A](host: String, port: Int, dn: String, password: String, tls: Boolean, keystore: String, error: String)
                  (f: LDAPConnection => Either[String, A]): Either[String, A] = {
    if (tls) {
@@ -142,7 +105,7 @@ object LDAPUtil {
  /**
   * Search a specified user and returns userDN if exists.
   */
-  private def findUser(conn: LDAPConnection, userName: String, baseDN: String, userNameAttribute: String, additionalFilterCondition: Option[String]): Option[String] = {
+  private def findUser(conn: LDAPConnection, userName: String, baseDN: String, userNameAttribute: String): Option[String] = {
    @tailrec
    def getEntries(results: LDAPSearchResults, entries: List[Option[LDAPEntry]] = Nil): List[LDAPEntry] = {
      if(results.hasMore){
@@ -155,26 +118,20 @@ object LDAPUtil {
        entries.flatten
      }
    }
-
-    val filterCond = additionalFilterCondition.getOrElse("") match {
-      case "" => userNameAttribute + "=" + userName
-      case x => "(&(" + x + ")(" + userNameAttribute + "=" + userName + "))"
-    }
-
-    getEntries(conn.search(baseDN, LDAPConnection.SCOPE_SUB, filterCond, null, false)).collectFirst {
+    getEntries(conn.search(baseDN, LDAPConnection.SCOPE_SUB, userNameAttribute + "=" + userName, null, false)).collectFirst {
      case x => x.getDN
    }
  }

-  private def findMailAddress(conn: LDAPConnection, userDN: String, userNameAttribute: String, userName: String, mailAttribute: String): Option[String] =
-    defining(conn.search(userDN, LDAPConnection.SCOPE_BASE, userNameAttribute + "=" + userName, Array[String](mailAttribute), false)){ results =>
+  private def findMailAddress(conn: LDAPConnection, userDN: String, mailAttribute: String): Option[String] =
+    defining(conn.search(userDN, LDAPConnection.SCOPE_BASE, null, Array[String](mailAttribute), false)){ results =>
      if(results.hasMore) {
        Option(results.next.getAttribute(mailAttribute)).map(_.getStringValue)
      } else None
    }

-  private def findFullName(conn: LDAPConnection, userDN: String, userNameAttribute: String, userName: String, nameAttribute: String): Option[String] =
-    defining(conn.search(userDN, LDAPConnection.SCOPE_BASE, userNameAttribute + "=" + userName, Array[String](nameAttribute), false)){ results =>
+  private def findFullName(conn: LDAPConnection, userDN: String, nameAttribute: String): Option[String] =
+    defining(conn.search(userDN, LDAPConnection.SCOPE_BASE, null, Array[String](nameAttribute), false)){ results =>
      if(results.hasMore) {
        Option(results.next.getAttribute(nameAttribute)).map(_.getStringValue)
      } else None
--- a/src/main/scala/util/Notifier.scala
+++ b/src/main/scala/util/Notifier.scala
@@ -1,116 +1,116 @@
-package util
-
-import scala.concurrent._
-import ExecutionContext.Implicits.global
-import org.apache.commons.mail.{DefaultAuthenticator, HtmlEmail}
-import org.slf4j.LoggerFactory
-
-import app.Context
-import model.Session
-import service.{AccountService, RepositoryService, IssuesService, SystemSettingsService}
-import servlet.Database
-import SystemSettingsService.Smtp
-import _root_.util.ControlUtil.defining
-
-trait Notifier extends RepositoryService with AccountService with IssuesService {
-  def toNotify(r: RepositoryService.RepositoryInfo, issueId: Int, content: String)
-      (msg: String => String)(implicit context: Context): Unit
-
-  protected def recipients(issue: model.Issue)(notify: String => Unit)(implicit session: Session, context: Context) =
-    (
-        // individual repository's owner
-        issue.userName ::
-        // collaborators
-        getCollaborators(issue.userName, issue.repositoryName) :::
-        // participants
-        issue.openedUserName ::
-        getComments(issue.userName, issue.repositoryName, issue.issueId).map(_.commentedUserName)
-    )
-    .distinct
-    .withFilter ( _ != context.loginAccount.get.userName )	// the operation in person is excluded
-    .foreach ( getAccountByUserName(_) filterNot (_.isGroupAccount) filterNot (LDAPUtil.isDummyMailAddress(_)) foreach (x => notify(x.mailAddress)) )
-
-}
-
-object Notifier {
-  // TODO We want to be able to switch to mock.
-  def apply(): Notifier = new SystemSettingsService {}.loadSystemSettings match {
-    case settings if settings.notification => new Mailer(settings.smtp.get)
-    case _ => new MockMailer
-  }
-
-  def msgIssue(url: String) = (content: String) => s"""
-    |${content}<br/>
-    |--<br/>
-    |<a href="${url}">View it on GitBucket</a>
-    """.stripMargin
-
-  def msgPullRequest(url: String) = (content: String) => s"""
-    |${content}<hr/>
-    |View, comment on, or merge it at:<br/>
-    |<a href="${url}">${url}</a>
-    """.stripMargin
-
-  def msgComment(url: String) = (content: String) => s"""
-    |${content}<br/>
-    |--<br/>
-    |<a href="${url}">View it on GitBucket</a>
-    """.stripMargin
-
-  def msgStatus(url: String) = (content: String) => s"""
-    |${content} <a href="${url}">#${url split('/') last}</a>
-    """.stripMargin
-}
-
-class Mailer(private val smtp: Smtp) extends Notifier {
-  private val logger = LoggerFactory.getLogger(classOf[Mailer])
-
-  def toNotify(r: RepositoryService.RepositoryInfo, issueId: Int, content: String)
-      (msg: String => String)(implicit context: Context) = {
-    val database = Database(context.request.getServletContext)
-
-    val f = Future {
-      database withSession { implicit session =>
-        getIssue(r.owner, r.name, issueId.toString) foreach { issue =>
-          defining(
-              s"[${r.name}] ${issue.title} (#${issueId})" ->
-              msg(view.Markdown.toHtml(content, r, false, true))) { case (subject, msg) =>
-            recipients(issue) { to =>
-              val email = new HtmlEmail
-              email.setHostName(smtp.host)
-              email.setSmtpPort(smtp.port.get)
-              smtp.user.foreach { user =>
-                email.setAuthenticator(new DefaultAuthenticator(user, smtp.password.getOrElse("")))
-              }
-              smtp.ssl.foreach { ssl =>
-                email.setSSLOnConnect(ssl)
-              }
-              smtp.fromAddress
-                .map (_ -> smtp.fromName.orNull)
-                .orElse (Some("notifications@gitbucket.com" -> context.loginAccount.get.userName))
-                .foreach { case (address, name) =>
-                  email.setFrom(address, name)
-                }
-              email.setCharset("UTF-8")
-              email.setSubject(subject)
-              email.setHtmlMsg(msg)
-
-              email.addTo(to).send
-            }
-          }
-        }
-      }
-      "Notifications Successful."
-    }
-    f onSuccess {
-      case s => logger.debug(s)
-    }
-    f onFailure {
-      case t => logger.error("Notifications Failed.", t)
-    }
-  }
-}
-class MockMailer extends Notifier {
-  def toNotify(r: RepositoryService.RepositoryInfo, issueId: Int, content: String)
-      (msg: String => String)(implicit context: Context): Unit = {}
+package util
+
+import scala.concurrent._
+import ExecutionContext.Implicits.global
+import org.apache.commons.mail.{DefaultAuthenticator, HtmlEmail}
+import org.slf4j.LoggerFactory
+
+import app.Context
+import service.{AccountService, RepositoryService, IssuesService, SystemSettingsService}
+import servlet.Database
+import SystemSettingsService.Smtp
+import _root_.util.ControlUtil.defining
+
+trait Notifier extends RepositoryService with AccountService with IssuesService {
+  def toNotify(r: RepositoryService.RepositoryInfo, issueId: Int, content: String)
+      (msg: String => String)(implicit context: Context): Unit
+
+  protected def recipients(issue: model.Issue)(notify: String => Unit)(implicit context: Context) =
+    (
+        // individual repository's owner
+        issue.userName ::
+        // collaborators
+        getCollaborators(issue.userName, issue.repositoryName) :::
+        // participants
+        issue.openedUserName ::
+        getComments(issue.userName, issue.repositoryName, issue.issueId).map(_.commentedUserName)
+    )
+    .distinct
+    .withFilter ( _ != context.loginAccount.get.userName )	// the operation in person is excluded
+    .foreach ( getAccountByUserName(_) filterNot (_.isGroupAccount) foreach (x => notify(x.mailAddress)) )
+
+}
+
+object Notifier {
+  // TODO We want to be able to switch to mock.
+  def apply(): Notifier = new SystemSettingsService {}.loadSystemSettings match {
+    case settings if settings.notification => new Mailer(settings.smtp.get)
+    case _ => new MockMailer
+  }
+
+  def msgIssue(url: String) = (content: String) => s"""
+    |${content}<br/>
+    |--<br/>
+    |<a href="${url}">View it on GitBucket</a>
+    """.stripMargin
+
+  def msgPullRequest(url: String) = (content: String) => s"""
+    |${content}<hr/>
+    |View, comment on, or merge it at:<br/>
+    |<a href="${url}">${url}</a>
+    """.stripMargin
+
+  def msgComment(url: String) = (content: String) => s"""
+    |${content}<br/>
+    |--<br/>
+    |<a href="${url}">View it on GitBucket</a>
+    """.stripMargin
+
+  def msgStatus(url: String) = (content: String) => s"""
+    |${content} <a href="${url}">#${url split('/') last}</a>
+    """.stripMargin
+}
+
+class Mailer(private val smtp: Smtp) extends Notifier {
+  private val logger = LoggerFactory.getLogger(classOf[Mailer])
+
+  def toNotify(r: RepositoryService.RepositoryInfo, issueId: Int, content: String)
+      (msg: String => String)(implicit context: Context) = {
+    val database = Database(context.request.getServletContext)
+
+    val f = future {
+      // TODO Can we use the Database Session in other than Transaction Filter?
+      database withSession {
+        getIssue(r.owner, r.name, issueId.toString) foreach { issue =>
+          defining(
+              s"[${r.name}] ${issue.title} (#${issueId})" ->
+              msg(view.Markdown.toHtml(content, r, false, true))) { case (subject, msg) =>
+            recipients(issue) { to =>
+              val email = new HtmlEmail
+              email.setHostName(smtp.host)
+              email.setSmtpPort(smtp.port.get)
+              smtp.user.foreach { user =>
+                email.setAuthenticator(new DefaultAuthenticator(user, smtp.password.getOrElse("")))
+              }
+              smtp.ssl.foreach { ssl =>
+                email.setSSLOnConnect(ssl)
+              }
+              smtp.fromAddress
+                .map (_ -> smtp.fromName.orNull)
+                .orElse (Some("notifications@gitbucket.com" -> context.loginAccount.get.userName))
+                .foreach { case (address, name) =>
+                  email.setFrom(address, name)
+                }
+              email.setCharset("UTF-8")
+              email.setSubject(subject)
+              email.setHtmlMsg(msg)
+
+              email.addTo(to).send
+            }
+          }
+        }
+      }
+      "Notifications Successful."
+    }
+    f onSuccess {
+      case s => logger.debug(s)
+    }
+    f onFailure {
+      case t => logger.error("Notifications Failed.", t)
+    }
+  }
+}
+class MockMailer extends Notifier {
+  def toNotify(r: RepositoryService.RepositoryInfo, issueId: Int, content: String)
+      (msg: String => String)(implicit context: Context): Unit = {}
 }
--- a/src/main/scala/util/StringUtil.scala
+++ b/src/main/scala/util/StringUtil.scala
@@ -31,7 +31,7 @@ object StringUtil {

  /**
   * Make string from byte array. Character encoding is detected automatically by [[util.StringUtil.detectEncoding]].
-   * And if given bytes contains UTF-8 BOM, it's removed from returned string.
+   * And if given bytes contains UTF-8 BOM, it's removed from returned string..
   */
  def convertFromByteArray(content: Array[Byte]): String =
    IOUtils.toString(new BOMInputStream(new java.io.ByteArrayInputStream(content)), detectEncoding(content))
@@ -47,37 +47,12 @@ object StringUtil {
    }

  /**
-   * Converts line separator in the given content.
-   *
-   * @param content the content
-   * @param lineSeparator "LF" or "CRLF"
-   * @return the converted content
-   */
-  def convertLineSeparator(content: String, lineSeparator: String): String = {
-    val lf = content.replace("\r\n", "\n").replace("\r", "\n")
-    if(lineSeparator == "CRLF"){
-      lf.replace("\n", "\r\n")
-    } else {
-      lf
-    }
-  }
-
-  /**
-   * Extract issue id like ```#issueId``` from the given message.
+   * Extract issue id like ````#issueId``` from the given message.
   *
   *@param message the message which may contains issue id
   * @return the iterator of issue id
   */
  def extractIssueId(message: String): Iterator[String] =
-    "(^|\\W)#(\\d+)(\\W|$)".r.findAllIn(message).matchData.map(_.group(2))
-
-  /**
-   * Extract close issue id like ```close #issueId ``` from the given message.
-   *
-   * @param message the message which may contains close command
-   * @return the iterator of issue id
-   */
-  def extractCloseId(message: String): Iterator[String] =
-    "(?i)(?<!\\w)(?:fix(?:e[sd])?|resolve[sd]?|close[sd]?)\\s+#(\\d+)(?!\\w)".r.findAllIn(message).matchData.map(_.group(1))
+    "(^|\\W)#(\\d+)(\\W|$)".r.findAllIn(message).matchData.map { matchData =>  matchData.group(2) }

 }
--- a/src/main/scala/util/Validations.scala
+++ b/src/main/scala/util/Validations.scala
@@ -10,7 +10,7 @@ trait Validations {
   */
  def identifier: Constraint = new Constraint(){
    override def validate(name: String, value: String, messages: Messages): Option[String] =
-      if(!value.matches("[a-zA-Z0-9\\-_.]+")){
+      if(!value.matches("^[a-zA-Z0-9\\-_.]+$")){
        Some(s"${name} contains invalid character.")
      } else if(value.startsWith("_") || value.startsWith("-")){
        Some(s"${name} starts with invalid character.")
--- a/src/main/scala/view/AvatarImageProvider.scala
+++ b/src/main/scala/view/AvatarImageProvider.scala
@@ -1,7 +1,7 @@
 package view

 import service.RequestCache
-import play.twirl.api.Html
+import twirl.api.Html
 import util.StringUtil

 trait AvatarImageProvider { self: RequestCache =>
@@ -16,8 +16,8 @@ trait AvatarImageProvider { self: RequestCache =>
    val src = if(mailAddress.isEmpty){
      // by user name
      getAccountByUserName(userName).map { account =>
-        if(account.image.isEmpty && context.settings.gravatar){
-          s"""https://www.gravatar.com/avatar/${StringUtil.md5(account.mailAddress.toLowerCase)}?s=${size}&d=retro&r=g"""
+        if(account.image.isEmpty && getSystemSettings().gravatar){
+          s"""https://www.gravatar.com/avatar/${StringUtil.md5(account.mailAddress.toLowerCase)}?s=${size}"""
        } else {
          s"""${context.path}/${account.userName}/_avatar"""
        }
@@ -27,14 +27,14 @@ trait AvatarImageProvider { self: RequestCache =>
    } else {
      // by mail address
      getAccountByMailAddress(mailAddress).map { account =>
-        if(account.image.isEmpty && context.settings.gravatar){
-          s"""https://www.gravatar.com/avatar/${StringUtil.md5(account.mailAddress.toLowerCase)}?s=${size}&d=retro&r=g"""
+        if(account.image.isEmpty && getSystemSettings().gravatar){
+          s"""https://www.gravatar.com/avatar/${StringUtil.md5(account.mailAddress.toLowerCase)}?s=${size}"""
        } else {
          s"""${context.path}/${account.userName}/_avatar"""
        }
      } getOrElse {
-        if(context.settings.gravatar){
-          s"""https://www.gravatar.com/avatar/${StringUtil.md5(mailAddress.toLowerCase)}?s=${size}&d=retro&r=g"""
+        if(getSystemSettings().gravatar){
+          s"""https://www.gravatar.com/avatar/${StringUtil.md5(mailAddress.toLowerCase)}?s=${size}"""
        } else {
          s"""${context.path}/_unknown/_avatar"""
        }
@@ -42,9 +42,9 @@ trait AvatarImageProvider { self: RequestCache =>
    }

    if(tooltip){
-      Html(s"""<img src="${src}" class="${if(size > 20){"avatar"} else {"avatar-mini"}}" style="width: ${size}px; height: ${size}px;" data-toggle="tooltip" title="${userName}"/>""")
+      Html(s"""<img src="${src}" class="avatar" style="width: ${size}px; height: ${size}px;" data-toggle="tooltip" title="${userName}"/>""")
    } else {
-      Html(s"""<img src="${src}" class="${if(size > 20){"avatar"} else {"avatar-mini"}}" style="width: ${size}px; height: ${size}px;" />""")
+      Html(s"""<img src="${src}" class="avatar" style="width: ${size}px; height: ${size}px;" />""")
    }
  }

--- a/src/main/scala/view/Markdown.scala
+++ b/src/main/scala/view/Markdown.scala
@@ -45,7 +45,7 @@ class GitBucketLinkRender(context: app.Context, repository: service.RepositorySe
          (text, text)
        }

-        val url = repository.httpUrl.replaceFirst("/git/", "/").stripSuffix(".git") + "/wiki/" + StringUtil.urlEncode(page)
+        val url = repository.url.replaceFirst("/git/", "/").replaceFirst("\\.git$", "") + "/wiki/" + StringUtil.urlEncode(page)

        if(getWikiPage(repository.owner, repository.name, page).isDefined){
          new Rendering(url, label)
@@ -88,10 +88,8 @@ class GitBucketHtmlSerializer(
    Map[String, VerbatimSerializer](VerbatimSerializer.DEFAULT -> new GitBucketVerbatimSerializer).asJava
  ) with LinkConverter with RequestCache {

-  override protected def printImageTag(imageNode: SuperNode, url: String): Unit = {
-    printer.print("<a target=\"_blank\" href=\"").print(fixUrl(url, true)).print("\">")
-           .print("<img src=\"").print(fixUrl(url, true)).print("\"  alt=\"").printEncoded(printChildrenToString(imageNode)).print("\"/></a>")
-  }
+  override protected def printImageTag(imageNode: SuperNode, url: String): Unit =
+    printer.print("<img src=\"").print(fixUrl(url)).print("\"  alt=\"").printEncoded(printChildrenToString(imageNode)).print("\"/>")

  override protected def printLink(rendering: LinkRenderer.Rendering): Unit = {
    printer.print('<').print('a')
@@ -102,23 +100,11 @@ class GitBucketHtmlSerializer(
    printer.print('>').print(rendering.text).print("</a>")
  }

-  private def fixUrl(url: String, isImage: Boolean = false): String = {
-    if(!enableWikiLink){
-      if(url.startsWith("http://") || url.startsWith("https://") || url.startsWith("#") || url.startsWith("/")){
-        url
-      } else if(context.currentPath.contains("/blob/")){
-        url + (if(isImage) "?raw=true" else "")
-      } else if(context.currentPath.contains("/tree/")){
-        val paths = context.currentPath.split("/")
-        val branch = if(paths.length > 3) paths.drop(4).mkString("/") else repository.repository.defaultBranch
-        repository.httpUrl.replaceFirst("/git/", "/").stripSuffix(".git") + "/blob/" + branch + "/" + url + (if(isImage) "?raw=true" else "")
-      } else {
-        val paths = context.currentPath.split("/")
-        val branch = if(paths.length > 3) paths.last else repository.repository.defaultBranch
-        repository.httpUrl.replaceFirst("/git/", "/").stripSuffix(".git") + "/blob/" + branch + "/" + url + (if(isImage) "?raw=true" else "")
-      }
+  private def fixUrl(url: String): String = {
+    if(!enableWikiLink || url.startsWith("http://") || url.startsWith("https://")){
+      url
    } else {
-      repository.httpUrl.replaceFirst("/git/", "/").stripSuffix(".git") + "/wiki/_blob/" + url
+      repository.url.replaceFirst("/git/", "/").replaceFirst("\\.git$", "") + "/wiki/_blob/" + url
    }
  }

--- a/src/main/scala/view/helpers.scala
+++ b/src/main/scala/view/helpers.scala
@@ -1,7 +1,7 @@
 package view
-import java.util.{Date, TimeZone}
+import java.util.Date
 import java.text.SimpleDateFormat
-import play.twirl.api.Html
+import twirl.api.Html
 import util.StringUtil
 import service.RequestCache

@@ -15,15 +15,6 @@ object helpers extends AvatarImageProvider with LinkConverter with RequestCache
   */
  def datetime(date: Date): String = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(date)

-  /**
-   * Format java.util.Date to "yyyy-MM-dd'T'hh:mm:ss'Z'".
-   */
-  def datetimeRFC3339(date: Date): String = {
-    val sf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'")
-    sf.setTimeZone(TimeZone.getTimeZone("UTC"))
-    sf.format(date)
-  }
-
  /**
   * Format java.util.Date to "yyyy-MM-dd".
   */
@@ -36,14 +27,6 @@ object helpers extends AvatarImageProvider with LinkConverter with RequestCache
  def plural(count: Int, singular: String, plural: String = ""): String =
    if(count == 1) singular else if(plural.isEmpty) singular + "s" else plural

-  private[this] val renderersBySuffix: Seq[(String, (List[String], String, String, service.RepositoryService.RepositoryInfo, Boolean, Boolean, app.Context) => Html)] =
-    Seq(
-      ".md" -> ((filePath, fileContent, branch, repository, enableWikiLink, enableRefsLink, context) => markdown(fileContent, repository, enableWikiLink, enableRefsLink)(context)),
-      ".markdown" -> ((filePath, fileContent, branch, repository, enableWikiLink, enableRefsLink, context) => markdown(fileContent, repository, enableWikiLink, enableRefsLink)(context))
-    )
-
-  def renderableSuffixes: Seq[String] = renderersBySuffix.map(_._1)
-
  /**
   * Converts Markdown of Wiki pages to HTML.
   */
@@ -51,21 +34,6 @@ object helpers extends AvatarImageProvider with LinkConverter with RequestCache
               enableWikiLink: Boolean, enableRefsLink: Boolean)(implicit context: app.Context): Html =
    Html(Markdown.toHtml(value, repository, enableWikiLink, enableRefsLink))

-  def renderMarkup(filePath: List[String], fileContent: String, branch: String,
-                   repository: service.RepositoryService.RepositoryInfo,
-                   enableWikiLink: Boolean, enableRefsLink: Boolean)(implicit context: app.Context): Html = {
-
-    val fileNameLower = filePath.reverse.head.toLowerCase
-    renderersBySuffix.find { case (suffix, _) => fileNameLower.endsWith(suffix) } match {
-      case Some((_, handler)) => handler(filePath, fileContent, branch, repository, enableWikiLink, enableRefsLink, context)
-      case None => Html(
-        s"<tt>${
-          fileContent.split("(\\r\\n)|\\n").map(xml.Utility.escape(_)).mkString("<br/>")
-        }</tt>"
-      )
-    }
-  }
-
  /**
   * Returns &lt;img&gt; which displays the avatar icon for the given user name.
   * This method looks up Gravatar if avatar icon has not been configured in user settings.
@@ -78,7 +46,7 @@ object helpers extends AvatarImageProvider with LinkConverter with RequestCache
   * This method looks up Gravatar if avatar icon has not been configured in user settings.
   */
  def avatar(commit: util.JGitUtil.CommitInfo, size: Int)(implicit context: app.Context): Html =
-    getAvatarImageHtml(commit.authorName, size, commit.authorEmailAddress)
+    getAvatarImageHtml(commit.committer, size, commit.mailAddress)

  /**
   * Converts commit id, issue id and username to the link.
@@ -167,44 +135,6 @@ object helpers extends AvatarImageProvider with LinkConverter with RequestCache
   */
  def isPast(date: Date): Boolean = System.currentTimeMillis > date.getTime

-  /**
-   * Returns file type for AceEditor.
-   */
-  def editorType(fileName: String): String = {
-    fileName.toLowerCase match {
-      case x if(x.endsWith(".bat"))     => "batchfile"
-      case x if(x.endsWith(".java"))    => "java"
-      case x if(x.endsWith(".scala"))   => "scala"
-      case x if(x.endsWith(".js"))      => "javascript"
-      case x if(x.endsWith(".css"))     => "css"
-      case x if(x.endsWith(".md"))      => "markdown"
-      case x if(x.endsWith(".html"))    => "html"
-      case x if(x.endsWith(".xml"))     => "xml"
-      case x if(x.endsWith(".c"))       => "c_cpp"
-      case x if(x.endsWith(".cpp"))     => "c_cpp"
-      case x if(x.endsWith(".coffee"))  => "coffee"
-      case x if(x.endsWith(".ejs"))     => "ejs"
-      case x if(x.endsWith(".hs"))      => "haskell"
-      case x if(x.endsWith(".json"))    => "json"
-      case x if(x.endsWith(".jsp"))     => "jsp"
-      case x if(x.endsWith(".jsx"))     => "jsx"
-      case x if(x.endsWith(".cl"))      => "lisp"
-      case x if(x.endsWith(".clojure")) => "lisp"
-      case x if(x.endsWith(".lua"))     => "lua"
-      case x if(x.endsWith(".php"))     => "php"
-      case x if(x.endsWith(".py"))      => "python"
-      case x if(x.endsWith(".rdoc"))    => "rdoc"
-      case x if(x.endsWith(".rhtml"))   => "rhtml"
-      case x if(x.endsWith(".ruby"))    => "ruby"
-      case x if(x.endsWith(".sh"))      => "sh"
-      case x if(x.endsWith(".sql"))     => "sql"
-      case x if(x.endsWith(".tcl"))     => "tcl"
-      case x if(x.endsWith(".vbs"))     => "vbscript"
-      case x if(x.endsWith(".yml"))     => "yaml"
-      case _ => "plain_text"
-    }
-  }
-
  /**
   * Implicit conversion to add mkHtml() to Seq[Html].
   */
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
takezoe	7deea43c75	Update README.,md for 1.11.1 release	2014-03-05 22:15:22 +09:00
takezoe	8842e1fef2	Fix error when base url is configured.	2014-03-05 22:12:52 +09:00
takezoe	5090112c39	Replace Context#path with the base url if it's configured.	2014-03-05 19:22:36 +09:00
takezoe	d4a3e88f1a	(refs #299 )Fix redirection path in PullRequestsController	2014-03-05 16:25:08 +09:00
shimamoto	acada42d3f	(refs #292 ) Fix to limit issue result before joins issue labels.	2014-03-05 15:03:24 +09:00
takezoe	b6cfbcd19c	(refs #296 )Fix redirection path generation again	2014-03-05 10:37:38 +09:00