Merge branch 'master' into #33_match-by-email

Conflicts:
	src/main/scala/view/helpers.scala

src/main/scala/ScalatraBootstrap.scala

@@ -5,8 +5,10 @@ import javax.servlet._
 class ScalatraBootstrap extends LifeCycle {
   override def init(context: ServletContext) {
     context.mount(new IndexController, "/")
+    context.mount(new SearchController, "/")
     context.mount(new FileUploadController, "/upload")
     context.mount(new SignInController, "/*")
+    context.mount(new DashboardController, "/*")
     context.mount(new UserManagementController, "/*")
     context.mount(new SystemSettingsController, "/*")
     context.mount(new CreateRepositoryController, "/*")
@@ -16,6 +18,7 @@ class ScalatraBootstrap extends LifeCycle {
     context.mount(new LabelsController, "/*")
     context.mount(new MilestonesController, "/*")
     context.mount(new IssuesController, "/*")
+    context.mount(new PullRequestsController, "/*")
     context.mount(new RepositorySettingsController, "/*")
 
     val dir = new java.io.File(_root_.util.Directory.GitBucketHome)

src/main/scala/app/AccountController.scala

@@ -1,11 +1,10 @@
 package app
 
 import service._
-import util.{FileUtil, FileUploadUtil, OneselfAuthenticator}
+import util.{FileUtil, OneselfAuthenticator}
 import util.StringUtil._
 import util.Directory._
 import jp.sf.amateras.scalatra.forms._
-import org.apache.commons.io.FileUtils
 import org.scalatra.FlashMapSupport
 
 class AccountController extends AccountControllerBase
@@ -16,15 +15,16 @@ trait AccountControllerBase extends AccountManagementControllerBase with FlashMa
   self: SystemSettingsService with AccountService with RepositoryService with ActivityService
     with OneselfAuthenticator =>
 
-  case class AccountNewForm(userName: String, password: String,mailAddress: String,
+  case class AccountNewForm(userName: String, password: String, fullName: String, mailAddress: String,
                             url: Option[String], fileId: Option[String])
 
-  case class AccountEditForm(password: Option[String], mailAddress: String,
+  case class AccountEditForm(password: Option[String], fullName: String, mailAddress: String,
                              url: Option[String], fileId: Option[String], clearImage: Boolean)
 
   val newForm = mapping(
     "userName"    -> trim(label("User name"    , text(required, maxlength(100), identifier, uniqueUserName))),
     "password"    -> trim(label("Password"     , text(required, maxlength(20)))),
+    "fullName"    -> trim(label("Full Name"    , text(required, maxlength(100)))),
     "mailAddress" -> trim(label("Mail Address" , text(required, maxlength(100), uniqueMailAddress()))),
     "url"         -> trim(label("URL"          , optional(text(maxlength(200))))),
     "fileId"      -> trim(label("File ID"      , optional(text())))
@@ -32,6 +32,7 @@ trait AccountControllerBase extends AccountManagementControllerBase with FlashMa
 
   val editForm = mapping(
     "password"    -> trim(label("Password"     , optional(text(maxlength(20))))),
+    "fullName"    -> trim(label("Full Name"    , text(required, maxlength(100)))),
     "mailAddress" -> trim(label("Mail Address" , text(required, maxlength(100), uniqueMailAddress("userName")))),
     "url"         -> trim(label("URL"          , optional(text(maxlength(200))))),
     "fileId"      -> trim(label("File ID"      , optional(text()))),
@@ -43,12 +44,23 @@ trait AccountControllerBase extends AccountManagementControllerBase with FlashMa
    */
   get("/:userName") {
     val userName = params("userName")
-    getAccountByUserName(userName).map { x =>
+    getAccountByUserName(userName).map { account =>
       params.getOrElse("tab", "repositories") match {
         // Public Activity
-        case "activity" => account.html.activity(x, getActivitiesByUser(userName, true))
+        case "activity" =>
+          _root_.account.html.activity(account,
+            if(account.isGroupAccount) Nil else getGroupsByUserName(userName),
+            getActivitiesByUser(userName, true))
+
+        // Members
+        case "members" if(account.isGroupAccount) =>
+          _root_.account.html.members(account, getGroupMembers(account.userName))
+
         // Repositories
-        case _ => account.html.repositories(x, getVisibleRepositories(userName, baseUrl, context.loginAccount.map(_.userName)))
+        case _ =>
+          _root_.account.html.repositories(account,
+            if(account.isGroupAccount) Nil else getGroupsByUserName(userName),
+            getVisibleRepositories(context.loginAccount, baseUrl, Some(userName)))
       }
     } getOrElse NotFound
   }
@@ -74,6 +86,7 @@ trait AccountControllerBase extends AccountManagementControllerBase with FlashMa
     getAccountByUserName(userName).map { account =>
       updateAccount(account.copy(
         password    = form.password.map(sha1).getOrElse(account.password),
+        fullName    = form.fullName,
         mailAddress = form.mailAddress,
         url         = form.url))
 
@@ -96,7 +109,7 @@ trait AccountControllerBase extends AccountManagementControllerBase with FlashMa
 
   post("/register", newForm){ form =>
     if(loadSystemSettings().allowAccountRegistration){
-      createAccount(form.userName, sha1(form.password), form.mailAddress, false, form.url)
+      createAccount(form.userName, sha1(form.password), form.fullName, form.mailAddress, false, form.url)
       updateImage(form.userName, form.fileId, false)
       redirect("/signin")
     } else NotFound

src/main/scala/app/ControllerBase.scala

@@ -1,7 +1,9 @@
 package app
 
 import _root_.util.Directory._
-import _root_.util.{FileUploadUtil, FileUtil, Validations}
+import _root_.util.Implicits._
+import _root_.util.ControlUtil._
+import _root_.util.{FileUtil, Validations, Keys}
 import org.scalatra._
 import org.scalatra.json._
 import org.json4s._
@@ -10,7 +12,9 @@ import org.apache.commons.io.FileUtils
 import model.Account
 import scala.Some
 import service.AccountService
-import javax.servlet.http.HttpServletRequest
+import javax.servlet.http.{HttpServletResponse, HttpSession, HttpServletRequest}
+import java.text.SimpleDateFormat
+import javax.servlet.{FilterChain, ServletResponse, ServletRequest}
 
 /**
  * Provides generic features for controller implementations.
@@ -20,73 +24,94 @@ abstract class ControllerBase extends ScalatraFilter
 
   implicit val jsonFormats = DefaultFormats
 
+  // Don't set content type via Accept header.
+  override def format(implicit request: HttpServletRequest) = ""
+
+  override def doFilter(request: ServletRequest, response: ServletResponse, chain: FilterChain) {
+    val httpRequest  = request.asInstanceOf[HttpServletRequest]
+    val httpResponse = response.asInstanceOf[HttpServletResponse]
+    val context      = request.getServletContext.getContextPath
+    val path         = httpRequest.getRequestURI.substring(context.length)
+
+    if(path.startsWith("/console/")){
+      val account = httpRequest.getSession.getAttribute(Keys.Session.LoginAccount).asInstanceOf[Account]
+      if(account == null){
+        // Redirect to login form
+        httpResponse.sendRedirect(context + "/signin?" + path)
+      } else if(account.isAdmin){
+        // H2 Console (administrators only)
+        chain.doFilter(request, response)
+      } else {
+        // Redirect to dashboard
+        httpResponse.sendRedirect(context + "/")
+      }
+    } else if(path.startsWith("/git/")){
+      // Git repository
+      chain.doFilter(request, response)
+    } else {
+      // Scalatra actions
+      super.doFilter(request, response, chain)
+    }
+  }
+
   /**
    * Returns the context object for the request.
    */
   implicit def context: Context = Context(servletContext.getContextPath, LoginAccount, currentURL, request)
 
-  private def currentURL: String = {
-    val queryString = request.getQueryString
+  private def currentURL: String = defining(request.getQueryString){ queryString =>
     request.getRequestURI + (if(queryString != null) "?" + queryString else "")
   }
 
-  private def LoginAccount: Option[Account] = {
-    session.get("LOGIN_ACCOUNT") match {
-      case Some(x: Account) => Some(x)
-      case _ => None
-    }
-  }
+  private def LoginAccount: Option[Account] = session.getAs[Account](Keys.Session.LoginAccount)
 
-  def ajaxGet(path : String)(action : => Any) : Route = {
+  def ajaxGet(path : String)(action : => Any) : Route =
     super.get(path){
-      request.setAttribute("AJAX", "true")
+      request.setAttribute(Keys.Request.Ajax, "true")
       action
     }
-  }
 
-  override def ajaxGet[T](path : String, form : MappingValueType[T])(action : T => Any) : Route = {
+  override def ajaxGet[T](path : String, form : MappingValueType[T])(action : T => Any) : Route =
     super.ajaxGet(path, form){ form =>
-      request.setAttribute("AJAX", "true")
+      request.setAttribute(Keys.Request.Ajax, "true")
       action(form)
     }
-  }
 
-  def ajaxPost(path : String)(action : => Any) : Route = {
+  def ajaxPost(path : String)(action : => Any) : Route =
     super.post(path){
-      request.setAttribute("AJAX", "true")
+      request.setAttribute(Keys.Request.Ajax, "true")
       action
     }
-  }
 
-  override def ajaxPost[T](path : String, form : MappingValueType[T])(action : T => Any) : Route = {
+  override def ajaxPost[T](path : String, form : MappingValueType[T])(action : T => Any) : Route =
     super.ajaxPost(path, form){ form =>
-      request.setAttribute("AJAX", "true")
+      request.setAttribute(Keys.Request.Ajax, "true")
       action(form)
     }
-  }
 
-  protected def NotFound() = {
-    if(request.getAttribute("AJAX") == null){
-      org.scalatra.NotFound(html.error("Not Found"))
-    } else {
+  protected def NotFound() =
+    if(request.hasAttribute(Keys.Request.Ajax)){
       org.scalatra.NotFound()
+    } else {
+      org.scalatra.NotFound(html.error("Not Found"))
     }
-  }
 
-  protected def Unauthorized()(implicit context: app.Context) = {
-    if(request.getAttribute("AJAX") == null){
+  protected def Unauthorized()(implicit context: app.Context) =
+    if(request.hasAttribute(Keys.Request.Ajax)){
+      org.scalatra.Unauthorized()
+    } else {
       if(context.loginAccount.isDefined){
         org.scalatra.Unauthorized(redirect("/"))
       } else {
-        org.scalatra.Unauthorized(redirect("/signin?" + currentURL))
+        if(request.getMethod.toUpperCase == "POST"){
+          org.scalatra.Unauthorized(redirect("/signin"))
+        } else {
+          org.scalatra.Unauthorized(redirect("/signin?redirect=" + currentURL))
+        }
       }
-    } else {
-      org.scalatra.Unauthorized()
     }
-  }
 
-  protected def baseUrl = {
-    val url = request.getRequestURL.toString
+  protected def baseUrl = defining(request.getRequestURL.toString){ url =>
     url.substring(0, url.length - (request.getRequestURI.length - request.getContextPath.length))
   }
 
@@ -97,28 +122,36 @@ abstract class ControllerBase extends ScalatraFilter
  */
 case class Context(path: String, loginAccount: Option[Account], currentUrl: String, request: HttpServletRequest){
 
+  def redirectUrl = if(request.getParameter("redirect") != null){
+    request.getParameter("redirect")
+  } else {
+    currentUrl
+  }
+
   /**
    * Get object from cache.
    *
    * If object has not been cached with the specified key then retrieves by given action.
    * Cached object are available during a request.
    */
-  def cache[A](key: String)(action: => A): A = {
-    Option(request.getAttribute("cache." + key).asInstanceOf[A]).getOrElse {
-      val newObject = action
-      request.setAttribute("cache." + key, newObject)
-      newObject
+  def cache[A](key: String)(action: => A): A =
+    defining(Keys.Request.Cache(key)){ cacheKey =>
+      Option(request.getAttribute(cacheKey).asInstanceOf[A]).getOrElse {
+        val newObject = action
+        request.setAttribute(cacheKey, newObject)
+        newObject
+      }
     }
-  }
 
 }
 
 /**
  * Base trait for controllers which manages account information.
  */
-trait AccountManagementControllerBase extends ControllerBase { self: AccountService =>
+trait AccountManagementControllerBase extends ControllerBase with FileUploadControllerBase {
+  self: AccountService  =>
 
-  protected def updateImage(userName: String, fileId: Option[String], clearImage: Boolean): Unit = {
+  protected def updateImage(userName: String, fileId: Option[String], clearImage: Boolean): Unit =
     if(clearImage){
       getAccountByUserName(userName).flatMap(_.image).map { image =>
         new java.io.File(getUserUploadDir(userName), image).delete()
@@ -126,26 +159,50 @@ trait AccountManagementControllerBase extends ControllerBase { self: AccountServ
       }
     } else {
       fileId.map { fileId =>
-        val filename = "avatar." + FileUtil.getExtension(FileUploadUtil.getUploadedFilename(fileId).get)
+        val filename = "avatar." + FileUtil.getExtension(getUploadedFilename(fileId).get)
         FileUtils.moveFile(
-          FileUploadUtil.getTemporaryFile(fileId),
+          getTemporaryFile(fileId),
           new java.io.File(getUserUploadDir(userName), filename)
         )
         updateAvatarImage(userName, Some(filename))
       }
     }
-  }
 
   protected def uniqueUserName: Constraint = new Constraint(){
-    def validate(name: String, value: String): Option[String] =
+    override def validate(name: String, value: String): Option[String] =
       getAccountByUserName(value).map { _ => "User already exists." }
   }
 
   protected def uniqueMailAddress(paramName: String = ""): Constraint = new Constraint(){
-    def validate(name: String, value: String): Option[String] =
+    override def validate(name: String, value: String, params: Map[String, String]): Option[String] =
       getAccountByMailAddress(value)
         .filter { x => if(paramName.isEmpty) true else Some(x.userName) != params.get(paramName) }
         .map    { _ => "Mail address is already registered." }
   }
 
+}
+
+/**
+ * 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))
+
 }

src/main/scala/app/CreateRepositoryController.scala

@@ -1,107 +1,193 @@
 package app
 
 import util.Directory._
-import util.{JGitUtil, UsersAuthenticator}
+import util.ControlUtil._
+import util._
 import service._
 import java.io.File
 import org.eclipse.jgit.api.Git
-import org.eclipse.jgit.lib._
 import org.apache.commons.io._
 import jp.sf.amateras.scalatra.forms._
+import org.eclipse.jgit.lib.PersonIdent
 
 class CreateRepositoryController extends CreateRepositoryControllerBase
   with RepositoryService with AccountService with WikiService with LabelsService with ActivityService
-  with UsersAuthenticator
+  with UsersAuthenticator with ReadableUsersAuthenticator
 
 /**
  * Creates new repository.
  */
 trait CreateRepositoryControllerBase extends ControllerBase {
-  self: RepositoryService with WikiService with LabelsService with ActivityService
-    with UsersAuthenticator =>
+  self: RepositoryService with AccountService with WikiService with LabelsService with ActivityService
+    with UsersAuthenticator with ReadableUsersAuthenticator =>
 
-  case class RepositoryCreationForm(name: String, description: Option[String], isPrivate: Boolean, createReadme: Boolean)
+  case class RepositoryCreationForm(owner: String, name: String, description: Option[String], isPrivate: Boolean, createReadme: Boolean)
 
-  val form = mapping(
+  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()
+    html.newrepo(getGroupsByUserName(context.loginAccount.get.userName))
   })
   
   /**
    * Create new repository.
    */
-  post("/new", form)(usersOnly { form =>
-    val loginAccount  = context.loginAccount.get
-    val loginUserName = loginAccount.userName
+  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, loginUserName, form.description, form.isPrivate)
+        // Insert to the database at first
+        createRepository(form.name, form.owner, form.description, form.isPrivate)
 
-    // Insert default labels
-    createLabel(loginUserName, form.name, "bug", "fc2929")
-    createLabel(loginUserName, form.name, "duplicate", "cccccc")
-    createLabel(loginUserName, form.name, "enhancement", "84b6eb")
-    createLabel(loginUserName, form.name, "invalid", "e6e6e6")
-    createLabel(loginUserName, form.name, "question", "cc317c")
-    createLabel(loginUserName, form.name, "wontfix", "ffffff")
+        // Add collaborators for group repository
+        if(ownerAccount.isGroupAccount){
+          getGroupMembers(form.owner).foreach { userName =>
+            addCollaborator(form.owner, form.name, userName)
+          }
+        }
 
-    // Create the actual repository
-    val gitdir = getRepositoryDir(loginUserName, form.name)
-    JGitUtil.initRepository(gitdir)
+        // Insert default labels
+        insertDefaultLabels(form.owner, form.name)
 
-    if(form.createReadme){
-      val tmpdir = getInitRepositoryDir(loginUserName, form.name)
-      try {
-        // Clone the repository
-        Git.cloneRepository.setURI(gitdir.toURI.toString).setDirectory(tmpdir).call
+        // Create the actual repository
+        val gitdir = getRepositoryDir(form.owner, form.name)
+        JGitUtil.initRepository(gitdir)
 
-        // Create README.md
-        FileUtils.writeStringToFile(new File(tmpdir, "README.md"),
-          if(form.description.nonEmpty){
-            form.name + "\n" +
-            "===============\n" +
-            "\n" +
-            form.description.get
-          } else {
-            form.name + "\n" +
-            "===============\n"
-          }, "UTF-8")
+        if(form.createReadme){
+          FileUtil.withTmpDir(getInitRepositoryDir(form.owner, form.name)){ tmpdir =>
+            // Clone the repository
+            Git.cloneRepository.setURI(gitdir.toURI.toString).setDirectory(tmpdir).call
 
-        val git = Git.open(tmpdir)
-        git.add.addFilepattern("README.md").call
-        git.commit.setMessage("Initial commit").call
-        git.push.call
+            // Create README.md
+            FileUtils.writeStringToFile(new File(tmpdir, "README.md"),
+              if(form.description.nonEmpty){
+                form.name + "\n" +
+                  "===============\n" +
+                  "\n" +
+                  form.description.get
+              } else {
+                form.name + "\n" +
+                  "===============\n"
+              }, "UTF-8")
 
-      } finally {
-        FileUtils.deleteDirectory(tmpdir)
+            val git = Git.open(tmpdir)
+            git.add.addFilepattern("README.md").call
+            git.commit
+              .setCommitter(new PersonIdent(loginAccount.fullName, loginAccount.mailAddress))
+              .setMessage("Initial commit").call
+            git.push.call
+          }
+        }
+
+        // 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}")
     }
-
-    // Create Wiki repository
-    createWikiRepository(loginAccount, form.name)
-
-    // Record activity
-    recordCreateRepositoryActivity(loginUserName, form.name, loginUserName)
-
-    // redirect to the repository
-    redirect(s"/${loginUserName}/${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(getRepository(loginUserName, repository.name, baseUrl).isEmpty){
+        // 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/%s".format(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): 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(){
-    def validate(name: String, value: String): Option[String] =
-      getRepositoryNamesOfUser(context.loginAccount.get.userName).find(_ == value).map(_ => "Repository already exists.")
+    override def validate(name: String, value: String, params: Map[String, String]): Option[String] =
+      params.get("owner").flatMap { userName =>
+        getRepositoryNamesOfUser(userName).find(_ == value).map(_ => "Repository already exists.")
+      }
   }
   
-}
+}

src/main/scala/app/DashboardController.scala

@@ -0,0 +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 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)
+
+  }
+
+
+}

src/main/scala/app/FileUploadController.scala

@@ -1,6 +1,7 @@
 package app
 
-import util.{FileUtil, FileUploadUtil}
+import _root_.util.{Keys, FileUtil}
+import util.ControlUtil._
 import org.scalatra._
 import org.scalatra.servlet.{MultipartConfig, FileUploadSupport}
 import org.apache.commons.io.FileUtils
@@ -9,18 +10,18 @@ import org.apache.commons.io.FileUtils
  * Provides Ajax based file upload functionality.
  *
  * This servlet saves uploaded file as temporary file and returns the unique id.
- * You can get uploaded file using [[util.FileUploadUtil#getTemporaryFile()]] with this id.
+ * You can get uploaded file using [[app.FileUploadControllerBase#getTemporaryFile()]] with this id.
  */
-// TODO Remove temporary files at session timeout by session listener.
-class FileUploadController extends ScalatraServlet with FileUploadSupport with FlashMapSupport {
+class FileUploadController extends ScalatraServlet
+  with FileUploadSupport with FlashMapSupport with FileUploadControllerBase {
+
   configureMultipartHandling(MultipartConfig(maxFileSize = Some(3 * 1024 * 1024)))
 
   post("/image"){
     fileParams.get("file") match {
-      case Some(file) if(FileUtil.isImage(file.name)) => {
-        val fileId  = FileUploadUtil.generateFileId
-        FileUtils.writeByteArrayToFile(FileUploadUtil.getTemporaryFile(fileId), file.get)
-        session += "upload_" + fileId -> file.name
+      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 None => BadRequest

src/main/scala/app/IndexController.scala

@@ -1,21 +1,38 @@
 package app
 
+import util._
 import service._
+import jp.sf.amateras.scalatra.forms._
 
 class IndexController extends IndexControllerBase 
-  with RepositoryService with AccountService with SystemSettingsService with ActivityService
+  with RepositoryService with SystemSettingsService with ActivityService with AccountService
+with UsersAuthenticator
+
+trait IndexControllerBase extends ControllerBase {
+  self: RepositoryService with SystemSettingsService with ActivityService with AccountService
+  with UsersAuthenticator =>
 
-trait IndexControllerBase extends ControllerBase { self: RepositoryService 
-  with SystemSettingsService with ActivityService =>
-  
   get("/"){
     val loginAccount = context.loginAccount
 
     html.index(getRecentActivities(),
-      getAccessibleRepositories(loginAccount, baseUrl),
+      getVisibleRepositories(loginAccount, baseUrl),
       loadSystemSettings(),
-      loginAccount.map{ account => getRepositoryNamesOfUser(account.userName) }.getOrElse(Nil)
+      loginAccount.map{ account => getUserRepositories(account.userName, baseUrl) }.getOrElse(Nil)
     )
   }
 
-}
+  /**
+   * 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)
+    )
+  })
+
+
+}

src/main/scala/app/IssuesController.scala

@@ -4,7 +4,9 @@ import jp.sf.amateras.scalatra.forms._
 
 import service._
 import IssuesService._
-import util.{CollaboratorsAuthenticator, ReferrerAuthenticator, ReadableUsersAuthenticator}
+import util.{CollaboratorsAuthenticator, ReferrerAuthenticator, ReadableUsersAuthenticator, Notifier, Keys}
+import util.Implicits._
+import util.ControlUtil._
 import org.scalatra.Ok
 
 class IssuesController extends IssuesControllerBase
@@ -57,98 +59,100 @@ trait IssuesControllerBase extends ControllerBase {
   })
 
   get("/:owner/:repository/issues/:id")(referrersOnly { repository =>
-    val owner   = repository.owner
-    val name    = repository.name
-    val issueId = params("id")
-
-    getIssue(owner, name, issueId) map {
-      issues.html.issue(
+    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) :+ 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) :+ owner).sorted,
           getMilestones(owner, name),
           getLabels(owner, name),
           hasWritePermission(owner, name, context.loginAccount),
           repository)
-    } getOrElse NotFound
-  })
-
-  get("/:owner/:repository/issues/new")(readableUsersOnly { repository =>
-    val owner = repository.owner
-    val name  = repository.name
-
-    issues.html.create(
-        (getCollaborators(owner, name) :+ owner).sorted,
-        getMilestones(owner, name),
-        getLabels(owner, name),
-        hasWritePermission(owner, name, context.loginAccount),
-        repository)
+    }
   })
 
   post("/:owner/:repository/issues/new", issueCreateForm)(readableUsersOnly { (form, repository) =>
-    val owner    = repository.owner
-    val name     = repository.name
-    val writable = hasWritePermission(owner, name, context.loginAccount)
-    val userName = context.loginAccount.get.userName
+    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 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)
+      // 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)
+
+      // notifications
+      Notifier().toNotify(repository, issueId, form.content.getOrElse("")){
+        Notifier.msgIssue(s"${baseUrl}/${owner}/${name}/issues/${issueId}")
+      }
+
+      redirect(s"/${owner}/${name}/issues/${issueId}")
     }
-
-    // record activity
-    recordCreateIssueActivity(owner, name, userName, issueId, form.title)
-
-    redirect("/%s/%s/issues/%d".format(owner, name, issueId))
   })
 
   ajaxPost("/:owner/:repository/issues/edit/:id", issueEditForm)(readableUsersOnly { (form, repository) =>
-    val owner = repository.owner
-    val name  = repository.name
-
-    getIssue(owner, name, params("id")).map { issue =>
-      if(isEditable(owner, name, issue.openedUserName)){
-        updateIssue(owner, name, issue.issueId, form.title, form.content)
-        redirect("/%s/%s/issues/_data/%d".format(owner, name, issue.issueId))
-      } else Unauthorized
-    } getOrElse NotFound
+    defining(repository.owner, repository.name){ case (owner, name) =>
+      getIssue(owner, name, params("id")).map { issue =>
+        if(isEditable(owner, name, issue.openedUserName)){
+          updateIssue(owner, name, issue.issueId, form.title, form.content)
+          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 { id =>
-      redirect("/%s/%s/issues/%d#comment-%d".format(repository.owner, repository.name, form.issueId, id))
+    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 { id =>
-      redirect("/%s/%s/issues/%d#comment-%d".format(repository.owner, repository.name, form.issueId, id))
+    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) =>
-    val owner = repository.owner
-    val name  = repository.name
-
-    getComment(owner, name, params("id")).map { comment =>
-      if(isEditable(owner, name, comment.commentedUserName)){
-        updateComment(comment.commentId, form.content)
-        redirect("/%s/%s/issue_comments/_data/%d".format(owner, name, comment.commentId))
-      } else Unauthorized
-    } getOrElse NotFound
+    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
+    }
   })
 
   ajaxGet("/:owner/:repository/issues/_data/:id")(readableUsersOnly { repository =>
@@ -187,17 +191,17 @@ trait IssuesControllerBase extends ControllerBase {
   })
 
   ajaxPost("/:owner/:repository/issues/:id/label/new")(collaboratorsOnly { repository =>
-    val issueId = params("id").toInt
-
-    registerIssueLabel(repository.owner, repository.name, issueId, params("labelId").toInt)
-    issues.html.labellist(getIssueLabels(repository.owner, repository.name, issueId))
+    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 =>
-    val issueId = params("id").toInt
-
-    deleteIssueLabel(repository.owner, repository.name, issueId, params("labelId").toInt)
-    issues.html.labellist(getIssueLabels(repository.owner, repository.name, issueId))
+    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 =>
@@ -207,128 +211,148 @@ trait IssuesControllerBase extends ControllerBase {
 
   ajaxPost("/:owner/:repository/issues/:id/milestone")(collaboratorsOnly { repository =>
     updateMilestoneId(repository.owner, repository.name, params("id").toInt, milestoneId("milestoneId"))
-    Ok("updated")
+    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 =>
-    val action = params.get("value")
-
-    executeBatch(repository) {
-      handleComment(_, None, repository)( _ => action)
-    }
-  })
-
-  post("/:owner/:repository/issues/batchedit/label")(collaboratorsOnly { repository =>
-    val labelId = params("value").toInt
-
-    executeBatch(repository) { issueId =>
-      getIssueLabel(repository.owner, repository.name, issueId, labelId) getOrElse {
-        registerIssueLabel(repository.owner, repository.name, issueId, labelId)
+    defining(params.get("value")){ action =>
+      executeBatch(repository) {
+        handleComment(_, None, repository)( _ => action)
       }
     }
   })
 
-  post("/:owner/:repository/issues/batchedit/assign")(collaboratorsOnly { repository =>
-    val value = assignedUserName("value")
+  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
+  })
 
-    executeBatch(repository) {
-      updateAssignedUserName(repository.owner, repository.name, _, value)
+  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 =>
-    val value = milestoneId("value")
-
-    executeBatch(repository) {
-      updateMilestoneId(repository.owner, repository.name, _, value)
+    defining(milestoneId("value")){ value =>
+      executeBatch(repository) {
+        updateMilestoneId(repository.owner, repository.name, _, value)
+      }
     }
   })
 
   val assignedUserName = (key: String) => params.get(key) filter (_.trim != "")
-  val milestoneId      = (key: String) => params.get(key) collect { case x if x.trim != "" => x.toInt }
+  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/%s/issues".format(repository.owner, repository.name))
+    redirect(s"/${repository.owner}/${repository.name}/issues")
   }
 
   /**
-   * @see 
+   * @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))) = {
-    val owner    = repository.owner
-    val name     = repository.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(recordCloseIssueActivity _))
-            case "reopen" => false -> (Some("reopen") -> Some(recordReopenIssueActivity _))
+    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) =>
+            .map { case (closed, t) =>
             updateClosed(owner, name, issueId, closed)
             t
           }
-          .getOrElse(None -> None)
+            .getOrElse(None -> None)
 
-      val commentId = content
+        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)
-          }
+        match {
+          case (content, action) => createComment(owner, name, userName, issueId, content, action)
+        }
 
-      // record activity
-      content foreach ( recordCommentIssueActivity(owner, name, userName, issueId, _) )
-      recordActivity foreach ( _ (owner, name, userName, issueId, issue.title) )
+        // record activity
+        content foreach {
+          (if(issue.isPullRequest) recordCommentPullRequestActivity _ else recordCommentIssueActivity _)
+          (owner, name, userName, issueId, _)
+        }
+        recordActivity foreach ( _ (owner, name, userName, issueId, issue.title) )
 
-      commentId
+        // 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) = {
-    val owner      = repository.owner
-    val repoName   = repository.name
-    val userName   = if(filter != "all") Some(params("userName")) else None
-    val sessionKey = "%s/%s/issues".format(owner, repoName)
+    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)
 
-    val page = try {
-      val i = params.getOrElse("page", "1").toInt
-      if(i <= 0) 1 else i
-    } catch {
-      case e: NumberFormatException => 1
+      // 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))
     }
-
-    // retrieve search condition
-    val condition = if(request.getQueryString == null){
-      session.get(sessionKey).getOrElse(IssueSearchCondition()).asInstanceOf[IssueSearchCondition]
-    } else IssueSearchCondition(request)
-
-    session.put(sessionKey, condition)
-
-    issues.html.list(
-        searchIssue(owner, repoName, condition, filter, userName, (page - 1) * IssueLimit, IssueLimit),
-        page,
-        (getCollaborators(owner, repoName) :+ owner).sorted,
-        getMilestones(owner, repoName).filter(_.closedDate.isEmpty),
-        getLabels(owner, repoName),
-        countIssue(owner, repoName, condition.copy(state = "open"), filter, userName),
-        countIssue(owner, repoName, condition.copy(state = "closed"), filter, userName),
-        countIssue(owner, repoName, condition, "all", None),
-        context.loginAccount.map(x => countIssue(owner, repoName, condition, "assigned", Some(x.userName))),
-        context.loginAccount.map(x => countIssue(owner, repoName, condition, "created_by", Some(x.userName))),
-        countIssueGroupByLabels(owner, repoName, condition, filter, userName),
-        condition,
-        filter,
-        repository,
-        hasWritePermission(owner, repoName, context.loginAccount))
   }
 
 }

src/main/scala/app/LabelsController.scala

@@ -51,7 +51,7 @@ trait LabelsControllerBase extends ControllerBase {
    * Constraint for the identifier such as user name, repository name or page name.
    */
   private def labelName: Constraint = new Constraint(){
-    def validate(name: String, value: String): Option[String] =
+    override def validate(name: String, value: String): Option[String] =
       if(!value.matches("^[^,]+$")){
         Some(s"${name} contains invalid character.")
       } else if(value.startsWith("_") || value.startsWith("-")){

src/main/scala/app/MilestonesController.scala

@@ -3,7 +3,8 @@ package app
 import jp.sf.amateras.scalatra.forms._
 
 import service._
-import util.{CollaboratorsAuthenticator, ReferrerAuthenticator, UsersAuthenticator}
+import util.{CollaboratorsAuthenticator, ReferrerAuthenticator}
+import util.Implicits._
 
 class MilestonesController extends MilestonesControllerBase
   with MilestonesService with RepositoryService with AccountService
@@ -39,34 +40,44 @@ trait MilestonesControllerBase extends ControllerBase {
   })
 
   get("/:owner/:repository/issues/milestones/:milestoneId/edit")(collaboratorsOnly { repository =>
-    issues.milestones.html.edit(getMilestone(repository.owner, repository.name, params("milestoneId").toInt), repository)
+    params("milestoneId").toIntOpt.map{ milestoneId =>
+      issues.milestones.html.edit(getMilestone(repository.owner, repository.name, milestoneId), repository)
+    } getOrElse NotFound
   })
 
   post("/:owner/:repository/issues/milestones/:milestoneId/edit", milestoneForm)(collaboratorsOnly { (form, repository) =>
-    getMilestone(repository.owner, repository.name, params("milestoneId").toInt).map { milestone =>
-      updateMilestone(milestone.copy(title = form.title, description = form.description, dueDate = form.dueDate))
-      redirect(s"/${repository.owner}/${repository.name}/issues/milestones")
+    params("milestoneId").toIntOpt.flatMap{ milestoneId =>
+      getMilestone(repository.owner, repository.name, milestoneId).map { milestone =>
+        updateMilestone(milestone.copy(title = form.title, description = form.description, dueDate = form.dueDate))
+        redirect(s"/${repository.owner}/${repository.name}/issues/milestones")
+      }
     } getOrElse NotFound
   })
 
   get("/:owner/:repository/issues/milestones/:milestoneId/close")(collaboratorsOnly { repository =>
-    getMilestone(repository.owner, repository.name, params("milestoneId").toInt).map { milestone =>
-      closeMilestone(milestone)
-      redirect(s"/${repository.owner}/${repository.name}/issues/milestones")
+    params("milestoneId").toIntOpt.flatMap{ milestoneId =>
+      getMilestone(repository.owner, repository.name, milestoneId).map { milestone =>
+        closeMilestone(milestone)
+        redirect(s"/${repository.owner}/${repository.name}/issues/milestones")
+      }
     } getOrElse NotFound
   })
 
   get("/:owner/:repository/issues/milestones/:milestoneId/open")(collaboratorsOnly { repository =>
-    getMilestone(repository.owner, repository.name, params("milestoneId").toInt).map { milestone =>
-      openMilestone(milestone)
-      redirect(s"/${repository.owner}/${repository.name}/issues/milestones")
+    params("milestoneId").toIntOpt.flatMap{ milestoneId =>
+      getMilestone(repository.owner, repository.name, milestoneId).map { milestone =>
+        openMilestone(milestone)
+        redirect(s"/${repository.owner}/${repository.name}/issues/milestones")
+      }
     } getOrElse NotFound
   })
 
   get("/:owner/:repository/issues/milestones/:milestoneId/delete")(collaboratorsOnly { repository =>
-    getMilestone(repository.owner, repository.name, params("milestoneId").toInt).map { milestone =>
-      deleteMilestone(repository.owner, repository.name, milestone.milestoneId)
-      redirect(s"/${repository.owner}/${repository.name}/issues/milestones")
+    params("milestoneId").toIntOpt.flatMap{ milestoneId =>
+      getMilestone(repository.owner, repository.name, milestoneId).map { milestone =>
+        deleteMilestone(repository.owner, repository.name, milestone.milestoneId)
+        redirect(s"/${repository.owner}/${repository.name}/issues/milestones")
+      }
     } getOrElse NotFound
   })
 

src/main/scala/app/PullRequestsController.scala

@@ -0,0 +1,417 @@
+package app
+
+import util.{LockUtil, CollaboratorsAuthenticator, JGitUtil, ReferrerAuthenticator, Notifier, Keys}
+import util.Directory._
+import util.Implicits._
+import util.ControlUtil._
+import util.FileUtil._
+import service._
+import org.eclipse.jgit.api.Git
+import jp.sf.amateras.scalatra.forms._
+import org.eclipse.jgit.transport.RefSpec
+import org.apache.commons.io.FileUtils
+import scala.collection.JavaConverters._
+import org.eclipse.jgit.lib.PersonIdent
+import org.eclipse.jgit.api.MergeCommand.FastForwardMode
+import service.IssuesService._
+import service.PullRequestService._
+import util.JGitUtil.DiffInfo
+import service.RepositoryService.RepositoryTreeNode
+import util.JGitUtil.CommitInfo
+
+class PullRequestsController extends PullRequestsControllerBase
+  with RepositoryService with AccountService with IssuesService with PullRequestService with MilestonesService with ActivityService
+  with ReferrerAuthenticator with CollaboratorsAuthenticator
+
+trait PullRequestsControllerBase extends ControllerBase {
+  self: RepositoryService with IssuesService with MilestonesService with ActivityService with PullRequestService
+    with ReferrerAuthenticator with CollaboratorsAuthenticator =>
+
+  val pullRequestForm = mapping(
+    "title"           -> trim(label("Title"  , text(required, maxlength(100)))),
+    "content"         -> trim(label("Content", optional(text()))),
+    "targetUserName"  -> trim(text(required, maxlength(100))),
+    "targetBranch"    -> trim(text(required, maxlength(100))),
+    "requestUserName" -> trim(text(required, maxlength(100))),
+    "requestBranch"   -> trim(text(required, maxlength(100))),
+    "commitIdFrom"    -> trim(text(required, maxlength(40))),
+    "commitIdTo"      -> trim(text(required, maxlength(40)))
+  )(PullRequestForm.apply)
+
+  val mergeForm = mapping(
+    "message" -> trim(label("Message", text(required)))
+  )(MergeForm.apply)
+
+  case class PullRequestForm(
+    title: String,
+    content: Option[String],
+    targetUserName: String,
+    targetBranch: String,
+    requestUserName: String,
+    requestBranch: String,
+    commitIdFrom: String,
+    commitIdTo: String)
+
+  case class MergeForm(message: String)
+
+  get("/:owner/:repository/pulls")(referrersOnly { repository =>
+    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
+      val name = repository.name
+      getPullRequest(owner, name, issueId) map { case(issue, pullreq) =>
+        using(Git.open(getRepositoryDir(owner, name))){ git =>
+          val (commits, diffs) =
+            getRequestCompareInfo(owner, name, pullreq.commitIdFrom, owner, name, pullreq.commitIdTo)
+
+          pulls.html.pullreq(
+            issue, pullreq,
+            getComments(owner, name, issueId),
+            (getCollaborators(owner, name) :+ owner).sorted,
+            getMilestonesWithIssueCount(owner, name),
+            commits,
+            diffs,
+            hasWritePermission(owner, name, context.loginAccount),
+            repository)
+        }
+      }
+    } getOrElse NotFound
+  })
+
+  ajaxGet("/:owner/:repository/pull/:id/mergeguide")(collaboratorsOnly { repository =>
+    params("id").toIntOpt.flatMap{ issueId =>
+      val owner = repository.owner
+      val name = repository.name
+      getPullRequest(owner, name, issueId) map { case(issue, pullreq) =>
+        pulls.html.mergeguide(
+          checkConflict(owner, name, pullreq.branch, owner, name, pullreq.requestBranch),
+          pullreq,
+          s"${baseUrl}${context.path}/git/${pullreq.requestUserName}/${pullreq.requestRepositoryName}.git")
+      }
+    } getOrElse NotFound
+  })
+
+  post("/:owner/:repository/pull/:id/merge", mergeForm)(collaboratorsOnly { (form, repository) =>
+    params("id").toIntOpt.flatMap{ issueId =>
+      val owner = repository.owner
+      val name = repository.name
+      LockUtil.lock(s"${owner}/${name}/merge"){
+        getPullRequest(owner, name, issueId).map { case (issue, pullreq) =>
+          val remote = getRepositoryDir(owner, name)
+          withTmpDir(new java.io.File(getTemporaryDir(owner, name), s"merge-${issueId}")){ tmpdir =>
+            using(Git.cloneRepository.setDirectory(tmpdir).setURI(remote.toURI.toString).setBranch(pullreq.branch).call){ git =>
+
+              // mark issue as merged and close.
+              val loginAccount = context.loginAccount.get
+              createComment(owner, name, loginAccount.userName, issueId, form.message, "merge")
+              createComment(owner, name, loginAccount.userName, issueId, "Close", "close")
+              updateClosed(owner, name, issueId, true)
+
+              // record activity
+              recordMergeActivity(owner, name, loginAccount.userName, issueId, form.message)
+
+              // fetch pull request to temporary working repository
+              val pullRequestBranchName = s"gitbucket-pullrequest-${issueId}"
+
+              git.fetch
+                .setRemote(getRepositoryDir(owner, name).toURI.toString)
+                .setRefSpecs(new RefSpec(s"refs/pull/${issueId}/head:refs/heads/${pullRequestBranchName}")).call
+
+              // merge pull request
+              git.checkout.setName(pullreq.branch).call
+
+              val result = git.merge
+                .include(git.getRepository.resolve(pullRequestBranchName))
+                .setFastForward(FastForwardMode.NO_FF)
+                .setCommit(false)
+                .call
+
+              if(result.getConflicts != null){
+                throw new RuntimeException("This pull request can't merge automatically.")
+              }
+
+              // merge commit
+              git.getRepository.writeMergeCommitMsg(
+                s"Merge pull request #${issueId} from ${pullreq.requestUserName}/${pullreq.requestRepositoryName}\n"
+                + form.message)
+
+              git.commit
+                .setCommitter(new PersonIdent(loginAccount.fullName, loginAccount.mailAddress))
+                .call
+
+              // push
+              git.push.call
+
+              val (commits, _) = getRequestCompareInfo(owner, name, pullreq.commitIdFrom,
+                pullreq.requestUserName, pullreq.requestRepositoryName, pullreq.commitIdTo)
+
+              commits.flatten.foreach { commit =>
+                if(!existsCommitId(owner, name, commit.id)){
+                  insertCommitId(owner, name, commit.id)
+                }
+              }
+
+              // notifications
+              Notifier().toNotify(repository, issueId, "merge"){
+                Notifier.msgStatus(s"${baseUrl}/${owner}/${name}/pull/${issueId}")
+              }
+
+              redirect(s"/${owner}/${name}/pull/${issueId}")
+            }
+          }
+        }
+      }
+    } getOrElse NotFound
+  })
+
+  get("/:owner/:repository/compare")(referrersOnly { forkedRepository =>
+    (forkedRepository.repository.originUserName, forkedRepository.repository.originRepositoryName) match {
+      case (Some(originUserName), Some(originRepositoryName)) => {
+        getRepository(originUserName, originRepositoryName, baseUrl).map { originRepository =>
+          using(
+            Git.open(getRepositoryDir(originUserName, originRepositoryName)),
+            Git.open(getRepositoryDir(forkedRepository.owner, forkedRepository.name))
+          ){ (oldGit, newGit) =>
+            val oldBranch = JGitUtil.getDefaultBranch(oldGit, originRepository).get._2
+            val newBranch = JGitUtil.getDefaultBranch(newGit, forkedRepository).get._2
+
+            redirect(s"${context.path}/${forkedRepository.owner}/${forkedRepository.name}/compare/${originUserName}:${oldBranch}...${newBranch}")
+          }
+        } getOrElse NotFound
+      }
+      case _ => {
+        using(Git.open(getRepositoryDir(forkedRepository.owner, forkedRepository.name))){ git =>
+          JGitUtil.getDefaultBranch(git, forkedRepository).map { case (_, defaultBranch) =>
+            redirect(s"${context.path}/${forkedRepository.owner}/${forkedRepository.name}/compare/${defaultBranch}...${defaultBranch}")
+          } getOrElse {
+            redirect(s"${context.path}/${forkedRepository.owner}/${forkedRepository.name}")
+          }
+        }
+      }
+    }
+  })
+
+  get("/:owner/:repository/compare/*...*")(referrersOnly { repository =>
+    val Seq(origin, forked) = multiParams("splat")
+    val (originOwner, tmpOriginBranch) = parseCompareIdentifie(origin, repository.owner)
+    val (forkedOwner, tmpForkedBranch) = parseCompareIdentifie(forked, repository.owner)
+
+    (getRepository(originOwner, repository.name, baseUrl),
+     getRepository(forkedOwner, repository.name, baseUrl)) match {
+      case (Some(originRepository), Some(forkedRepository)) => {
+        using(
+          Git.open(getRepositoryDir(originOwner, repository.name)),
+          Git.open(getRepositoryDir(forkedOwner, repository.name))
+        ){ case (oldGit, newGit) =>
+          val originBranch = JGitUtil.getDefaultBranch(oldGit, originRepository, tmpOriginBranch).get._2
+          val forkedBranch = JGitUtil.getDefaultBranch(newGit, forkedRepository, tmpForkedBranch).get._2
+
+          val forkedId = getForkedCommitId(oldGit, newGit,
+            originOwner, repository.name, originBranch,
+            forkedOwner, repository.name, forkedBranch)
+
+          val oldId = oldGit.getRepository.resolve(forkedId)
+          val newId = newGit.getRepository.resolve(forkedBranch)
+
+          val (commits, diffs) = getRequestCompareInfo(
+            originOwner, repository.name, oldId.getName,
+            forkedOwner, repository.name, newId.getName)
+
+          pulls.html.compare(
+            commits,
+            diffs,
+            repository.repository.originUserName.map { userName =>
+              userName :: getForkedRepositories(userName, repository.name)
+            } getOrElse List(repository.owner),
+            originBranch,
+            forkedBranch,
+            oldId.getName,
+            newId.getName,
+            repository,
+            originRepository,
+            forkedRepository,
+            hasWritePermission(repository.owner, repository.name, context.loginAccount))
+        }
+      }
+      case _ => NotFound
+    }
+  })
+
+  ajaxGet("/:owner/:repository/compare/*...*/mergecheck")(collaboratorsOnly { repository =>
+    val Seq(origin, forked) = multiParams("splat")
+    val (originOwner, tmpOriginBranch) = parseCompareIdentifie(origin, repository.owner)
+    val (forkedOwner, tmpForkedBranch) = parseCompareIdentifie(forked, repository.owner)
+
+    (getRepository(originOwner, repository.name, baseUrl),
+      getRepository(forkedOwner, repository.name, baseUrl)) match {
+      case (Some(originRepository), Some(forkedRepository)) => {
+        using(
+          Git.open(getRepositoryDir(originOwner, repository.name)),
+          Git.open(getRepositoryDir(forkedOwner, repository.name))
+        ){ case (oldGit, newGit) =>
+          val originBranch = JGitUtil.getDefaultBranch(oldGit, originRepository, tmpOriginBranch).get._2
+          val forkedBranch = JGitUtil.getDefaultBranch(newGit, forkedRepository, tmpForkedBranch).get._2
+
+          pulls.html.mergecheck(
+            checkConflict(originOwner, repository.name, originBranch, forkedOwner, repository.name, forkedBranch))
+        }
+      }
+      case _ => NotFound()
+    }
+  })
+
+  post("/:owner/:repository/pulls/new", pullRequestForm)(referrersOnly { (form, repository) =>
+    val loginUserName = context.loginAccount.get.userName
+
+    val issueId = createIssue(
+      owner            = repository.owner,
+      repository       = repository.name,
+      loginUser        = loginUserName,
+      title            = form.title,
+      content          = form.content,
+      assignedUserName = None,
+      milestoneId      = None,
+      isPullRequest    = true)
+
+    createPullRequest(
+      originUserName        = repository.owner,
+      originRepositoryName  = repository.name,
+      issueId               = issueId,
+      originBranch          = form.targetBranch,
+      requestUserName       = form.requestUserName,
+      requestRepositoryName = repository.name,
+      requestBranch         = form.requestBranch,
+      commitIdFrom          = form.commitIdFrom,
+      commitIdTo            = form.commitIdTo)
+
+    // fetch requested branch
+    using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
+      git.fetch
+        .setRemote(getRepositoryDir(form.requestUserName, repository.name).toURI.toString)
+        .setRefSpecs(new RefSpec(s"refs/heads/${form.requestBranch}:refs/pull/${issueId}/head"))
+        .call
+    }
+
+    // record activity
+    recordPullRequestActivity(repository.owner, repository.name, loginUserName, issueId, form.title)
+
+    // notifications
+    Notifier().toNotify(repository, issueId, form.content.getOrElse("")){
+      Notifier.msgPullRequest(s"${baseUrl}/${repository.owner}/${repository.name}/pull/${issueId}")
+    }
+
+    redirect(s"/${repository.owner}/${repository.name}/pull/${issueId}")
+  })
+
+  /**
+   * Checks whether conflict will be caused in merging. Returns true if conflict will be caused.
+   */
+  private def checkConflict(userName: String, repositoryName: String, branch: String,
+                            requestUserName: String, requestRepositoryName: String, requestBranch: String): Boolean = {
+    // TODO Are there more quick way?
+    LockUtil.lock(s"${userName}/${repositoryName}/merge-check"){
+      val remote = getRepositoryDir(userName, repositoryName)
+      withTmpDir(new java.io.File(getTemporaryDir(userName, repositoryName), "merge-check")){ tmpdir =>
+        using(Git.cloneRepository.setDirectory(tmpdir).setURI(remote.toURI.toString).setBranch(branch).call){ git =>
+
+          git.checkout.setName(branch).call
+
+          git.fetch
+            .setRemote(getRepositoryDir(requestUserName, requestRepositoryName).toURI.toString)
+            .setRefSpecs(new RefSpec(s"refs/heads/${branch}:refs/heads/${requestBranch}")).call
+
+          val result = git.merge
+            .include(git.getRepository.resolve("FETCH_HEAD"))
+            .setCommit(false).call
+
+          result.getConflicts != null
+        }
+      }
+    }
+  }
+
+  /**
+   * Parses branch identifier and extracts owner and branch name as tuple.
+   *
+   * - "owner:branch" to ("owner", "branch")
+   * - "branch" to ("defaultOwner", "branch")
+   */
+  private def parseCompareIdentifie(value: String, defaultOwner: String): (String, String) =
+    if(value.contains(':')){
+      val array = value.split(":")
+      (array(0), array(1))
+    } else {
+      (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]) = {
+
+    using(
+      Git.open(getRepositoryDir(userName, repositoryName)),
+      Git.open(getRepositoryDir(requestUserName, requestRepositoryName))
+    ){ (oldGit, newGit) =>
+      val oldId = oldGit.getRepository.resolve(branch)
+      val newId = newGit.getRepository.resolve(requestCommitId)
+
+      val commits = newGit.log.addRange(oldId, newId).call.iterator.asScala.map { revCommit =>
+        new CommitInfo(revCommit)
+      }.toList.splitWith{ (commit1, commit2) =>
+        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)
+
+      // retrieve search condition
+      val condition = session.putAndGet(sessionKey,
+        if(request.hasQueryString) IssueSearchCondition(request)
+        else session.getAs[IssueSearchCondition](sessionKey).getOrElse(IssueSearchCondition())
+      )
+
+      pulls.html.list(
+        searchIssue(condition, filterUser, true, (page - 1) * PullRequestLimit, PullRequestLimit, owner -> repoName),
+        getPullRequestCountGroupByUser(condition.state == "closed", owner, Some(repoName)),
+        userName,
+        page,
+        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))
+    }
+
+}

src/main/scala/app/RepositorySettingsController.scala

@@ -6,13 +6,20 @@ import util.{UsersAuthenticator, OwnerAuthenticator}
 import jp.sf.amateras.scalatra.forms._
 import org.apache.commons.io.FileUtils
 import org.scalatra.FlashMapSupport
+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 OwnerAuthenticator with UsersAuthenticator
+  with RepositoryService with AccountService with WebHookService
+  with OwnerAuthenticator with UsersAuthenticator
 
 trait RepositorySettingsControllerBase extends ControllerBase with FlashMapSupport {
-  self: RepositoryService with AccountService with OwnerAuthenticator with UsersAuthenticator =>
+  self: RepositoryService with AccountService with WebHookService
+    with OwnerAuthenticator with UsersAuthenticator =>
 
+  // for repository options
   case class OptionsForm(description: Option[String], defaultBranch: String, isPrivate: Boolean)
   
   val optionsForm = mapping(
@@ -20,13 +27,21 @@ trait RepositorySettingsControllerBase extends ControllerBase with FlashMapSuppo
     "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)
+
   /**
    * Redirect to the Options page.
    */
@@ -45,7 +60,15 @@ trait RepositorySettingsControllerBase extends ControllerBase with FlashMapSuppo
    * Save the repository options.
    */
   post("/:owner/:repository/settings/options", optionsForm)(ownerOnly { (form, repository) =>
-    saveRepositoryOptions(repository.owner, repository.name, form.description, form.defaultBranch, form.isPrivate)
+    saveRepositoryOptions(
+      repository.owner,
+      repository.name,
+      form.description,
+      form.defaultBranch,
+      repository.repository.parentUserName.map { _ =>
+        repository.repository.isPrivate
+      } getOrElse form.isPrivate
+    )
     flash += "info" -> "Repository settings has been updated."
     redirect(s"/${repository.owner}/${repository.name}/settings/options")
   })
@@ -54,22 +77,19 @@ trait RepositorySettingsControllerBase extends ControllerBase with FlashMapSuppo
    * Display the Collaborators page.
    */
   get("/:owner/:repository/settings/collaborators")(ownerOnly { repository =>
-    settings.html.collaborators(getCollaborators(repository.owner, repository.name), repository)
-  })
-
-  /**
-   * JSON API for collaborator completion.
-   */
-  get("/:owner/:repository/settings/collaborators/proposals")(usersOnly {
-    contentType = formats("json")
-    org.json4s.jackson.Serialization.write(Map("options" -> getAllUsers.map(_.userName).toArray))
+    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) =>
-    addCollaborator(repository.owner, repository.name, form.userName)
+    if(!getAccountByUserName(repository.owner).get.isGroupAccount){
+      addCollaborator(repository.owner, repository.name, form.userName)
+    }
     redirect(s"/${repository.owner}/${repository.name}/settings/collaborators")
   })
 
@@ -77,10 +97,62 @@ trait RepositorySettingsControllerBase extends ControllerBase with FlashMapSuppo
    * Add the collaborator.
    */
   get("/:owner/:repository/settings/collaborators/remove")(ownerOnly { repository =>
-    removeCollaborator(repository.owner, repository.name, params("name"))
+    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(_))
+
+      val webHookURLs = getWebHookURLs(repository.owner, repository.name)
+      if(webHookURLs.nonEmpty){
+        callWebHook(repository.owner, repository.name, webHookURLs,
+          WebHookPayload(
+            git,
+            "refs/heads/" + repository.repository.defaultBranch,
+            repository,
+            commits.toList,
+            getAccountByUserName(repository.owner).get))
+      }
+
+      flash += "info" -> "Test payload deployed!"
+    }
+    redirect(s"/${repository.owner}/${repository.name}/settings/hooks")
+  })
+
   /**
    * Display the delete repository page.
    */
@@ -101,19 +173,25 @@ trait RepositorySettingsControllerBase extends ControllerBase with FlashMapSuppo
     redirect(s"/${repository.owner}")
   })
 
+  /**
+   * Provides duplication check for web hook url.
+   */
+  private def webHook: Constraint = new Constraint(){
+    override def validate(name: String, value: String): 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(){
-    def validate(name: String, value: String): Option[String] = {
-      val paths = request.getRequestURI.split("/")
+    override def validate(name: String, value: String): Option[String] =
       getAccountByUserName(value) match {
         case None => Some("User does not exist.")
-        case Some(x) if(x.userName == paths(1) || getCollaborators(paths(1), paths(2)).contains(x.userName))
+        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
       }
-    }
   }
 
 }

src/main/scala/app/RepositoryViewerController.scala

@@ -2,7 +2,8 @@ package app
 
 import util.Directory._
 import util.Implicits._
-import _root_.util.{ReferrerAuthenticator, JGitUtil, FileUtil}
+import util.ControlUtil._
+import _root_.util.{ReferrerAuthenticator, JGitUtil, FileUtil, StringUtil}
 import service._
 import org.scalatra._
 import java.io.File
@@ -10,6 +11,7 @@ import org.eclipse.jgit.api.Git
 import org.eclipse.jgit.lib._
 import org.apache.commons.io.FileUtils
 import org.eclipse.jgit.treewalk._
+import org.eclipse.jgit.api.errors.RefNotFoundException
 
 class RepositoryViewerController extends RepositoryViewerControllerBase 
   with RepositoryService with AccountService with ReferrerAuthenticator
@@ -37,49 +39,29 @@ trait RepositoryViewerControllerBase extends ControllerBase {
     fileList(_)
   })
   
-  /**
-   * Displays the file list of the repository root and the specified branch.
-   */
-  get("/:owner/:repository/tree/:id")(referrersOnly {
-    fileList(_, params("id"))
-  })
-  
   /**
    * Displays the file list of the specified path and branch.
    */
-  get("/:owner/:repository/tree/:id/*")(referrersOnly {
-    fileList(_, params("id"), multiParams("splat").head)
-  })
-  
-  /**
-   * Displays the commit list of the specified branch.
-   */
-  get("/:owner/:repository/commits/:branch")(referrersOnly { repository =>
-    val branchName = params("branch")
-    val page       = params.getOrElse("page", "1").toInt
-    JGitUtil.withGit(getRepositoryDir(repository.owner, repository.name)){ git =>
-      JGitUtil.getCommitLog(git, branchName, page, 30) match {
-        case Right((logs, hasNext)) =>
-          repo.html.commits(Nil, branchName, repository, logs.splitWith{ (commit1, commit2) =>
-            view.helpers.date(commit1.time) == view.helpers.date(commit2.time)
-          }, page, hasNext)
-        case Left(_) => NotFound
-      }
+  get("/:owner/:repository/tree/*")(referrersOnly { repository =>
+    val (id, path) = splitPath(repository, multiParams("splat").head)
+    if(path.isEmpty){
+      fileList(repository, id)
+    } else {
+      fileList(repository, id, path)
     }
   })
   
   /**
    * Displays the commit list of the specified resource.
    */
-  get("/:owner/:repository/commits/:branch/*")(referrersOnly { repository =>
-    val branchName = params("branch")
-    val path       = multiParams("splat").head //.replaceFirst("^tree/.+?/", "")
-    val page       = params.getOrElse("page", "1").toInt
+  get("/:owner/:repository/commits/*")(referrersOnly { repository =>
+    val (branchName, path) = splitPath(repository, multiParams("splat").head)
+    val page = params.get("page").flatMap(_.toIntOpt).getOrElse(1)
 
-    JGitUtil.withGit(getRepositoryDir(repository.owner, repository.name)){ git =>
+    using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
       JGitUtil.getCommitLog(git, branchName, page, 30, path) match {
         case Right((logs, hasNext)) =>
-          repo.html.commits(path.split("/").toList, branchName, repository,
+          repo.html.commits(if(path.isEmpty) Nil else path.split("/").toList, branchName, repository,
             logs.splitWith{ (commit1, commit2) =>
               view.helpers.date(commit1.time) == view.helpers.date(commit2.time)
             }, page, hasNext)
@@ -91,12 +73,11 @@ trait RepositoryViewerControllerBase extends ControllerBase {
   /**
    * Displays the file content of the specified branch or commit.
    */
-  get("/:owner/:repository/blob/:id/*")(referrersOnly { repository =>
-    val id         = params("id") // branch name or commit id
-    val raw        = params.get("raw").getOrElse("false").toBoolean
-    val path       = multiParams("splat").head //.replaceFirst("^tree/.+?/", "")
+  get("/:owner/:repository/blob/*")(referrersOnly { repository =>
+    val (id, path) = splitPath(repository, multiParams("splat").head)
+    val raw = params.get("raw").getOrElse("false").toBoolean
 
-    JGitUtil.withGit(getRepositoryDir(repository.owner, repository.name)){ git =>
+    using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
       val revCommit = JGitUtil.getRevCommitFromId(git, git.getRepository.resolve(id))
 
       @scala.annotation.tailrec
@@ -105,19 +86,18 @@ trait RepositoryViewerControllerBase extends ControllerBase {
         case true => getPathObjectId(path, walk)
       }
 
-      val treeWalk = new TreeWalk(git.getRepository)
-      val objectId = try {
+      val objectId = using(new TreeWalk(git.getRepository)){ treeWalk =>
         treeWalk.addTree(revCommit.getTree)
         treeWalk.setRecursive(true)
         getPathObjectId(path, treeWalk)
-      } finally {
-        treeWalk.release
       }
 
       if(raw){
         // Download
-        contentType = "application/octet-stream"
-        JGitUtil.getContent(git, objectId, false).get
+        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)
@@ -127,7 +107,7 @@ trait RepositoryViewerControllerBase extends ControllerBase {
         val content = if(viewer == "other"){
           if(bytes.isDefined && FileUtil.isText(bytes.get)){
             // text
-            JGitUtil.ContentInfo("text", bytes.map(new String(_, "UTF-8")))
+            JGitUtil.ContentInfo("text", bytes.map(StringUtil.convertFromByteArray))
           } else {
             // binary
             JGitUtil.ContentInfo("binary", None)
@@ -148,22 +128,39 @@ trait RepositoryViewerControllerBase extends ControllerBase {
   get("/:owner/:repository/commit/:id")(referrersOnly { repository =>
     val id = params("id")
 
-    JGitUtil.withGit(getRepositoryDir(repository.owner, repository.name)){ git =>
-      val revCommit = JGitUtil.getRevCommitFromId(git, git.getRepository.resolve(id))
-
-      repo.html.commit(id, new JGitUtil.CommitInfo(revCommit),
-        JGitUtil.getBranchesOfCommit(git, revCommit.getName), JGitUtil.getTagsOfCommit(git, revCommit.getName),
-        repository, JGitUtil.getDiffs(git, id))
+    using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
+      defining(JGitUtil.getRevCommitFromId(git, git.getRepository.resolve(id))){ revCommit =>
+        JGitUtil.getDiffs(git, id) match { case (diffs, oldCommitId) =>
+          repo.html.commit(id, new JGitUtil.CommitInfo(revCommit),
+            JGitUtil.getBranchesOfCommit(git, revCommit.getName),
+            JGitUtil.getTagsOfCommit(git, revCommit.getName),
+            repository, diffs, oldCommitId)
+        }
+      }
     }
   })
   
+  /**
+   * Displays branches.
+   */
+  get("/:owner/:repository/branches")(referrersOnly { repository =>
+    using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
+      // retrieve latest update date of each branch
+      val branchInfo = repository.branchList.map { branchName =>
+        val revCommit = git.log.add(git.getRepository.resolve(branchName)).setMaxCount(1).call.iterator.next
+        (branchName, revCommit.getCommitterIdent.getWhen)
+      }
+      repo.html.branches(branchInfo, repository)
+    }
+  })
+
   /**
    * Displays tags.
    */
   get("/:owner/:repository/tags")(referrersOnly {
     repo.html.tags(_)
   })
-  
+
   /**
    * Download repository contents as an archive.
    */
@@ -180,11 +177,12 @@ trait RepositoryViewerControllerBase extends ControllerBase {
       
       // clone the repository
       val cloneDir = new File(workDir, revision)
-      JGitUtil.withGit(Git.cloneRepository
+      using(Git.cloneRepository
           .setURI(getRepositoryDir(repository.owner, repository.name).toURI.toString)
           .setDirectory(cloneDir)
+          .setBranch(revision)
           .call){ git =>
-      
+
         // checkout the specified revision
         git.checkout.setName(revision).call
       }
@@ -202,7 +200,29 @@ trait RepositoryViewerControllerBase extends ControllerBase {
       BadRequest
     }
   })
+
+  get("/:owner/:repository/network/members")(referrersOnly { repository =>
+    repo.html.forked(
+      getRepository(
+        repository.repository.originUserName.getOrElse(repository.owner),
+        repository.repository.originRepositoryName.getOrElse(repository.name),
+        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
+    } orElse Some(path.split("/")(0)) get
+
+    (id, path.substring(id.length).replaceFirst("^/", ""))
+  }
+
   /**
    * Provides HTML of the file list.
    * 
@@ -215,26 +235,26 @@ trait RepositoryViewerControllerBase extends ControllerBase {
     if(repository.commitCount == 0){
       repo.html.guide(repository)
     } else {
-      JGitUtil.withGit(getRepositoryDir(repository.owner, repository.name)){ git =>
+      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
-        revisions.map { rev => (git.getRepository.resolve(rev), rev)}.find(_._1 != null).map { case (objectId, revision) =>
-          val revCommit = JGitUtil.getRevCommitFromId(git, objectId)
-
+        JGitUtil.getDefaultBranch(git, repository, revstr).map { case (objectId, revision) =>
+          defining(JGitUtil.getRevCommitFromId(git, objectId)){ revCommit =>
           // get files
-          val files = JGitUtil.getFileList(git, revision, path)
-          // process README.md
-          val readme = files.find(_.name == "README.md").map { file =>
-            new String(JGitUtil.getContent(Git.open(getRepositoryDir(repository.owner, repository.name)), file.id, true).get, "UTF-8")
-          }
+            val files = JGitUtil.getFileList(git, revision, path)
+            // process README.md
+            val readme = files.find(_.name == "README.md").map { 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(revCommit), // latest commit
-            files, readme)
+            repo.html.files(revision, repository,
+              if(path == ".") Nil else path.split("/").toList, // current path
+              new JGitUtil.CommitInfo(revCommit), // latest commit
+              files, readme)
+          }
         } getOrElse NotFound
       }
     }
   }
   
-}
+}

src/main/scala/app/SearchController.scala

@@ -0,0 +1,52 @@
+package app
+
+import util._
+import ControlUtil._
+import service._
+import jp.sf.amateras.scalatra.forms._
+
+class SearchController extends SearchControllerBase
+with RepositoryService with AccountService with SystemSettingsService with ActivityService
+with RepositorySearchService with IssuesService
+with ReferrerAuthenticator
+
+trait SearchControllerBase extends ControllerBase { self: RepositoryService
+  with SystemSettingsService with ActivityService with RepositorySearchService
+  with ReferrerAuthenticator =>
+
+  val searchForm = mapping(
+    "query"      -> trim(text(required)),
+    "owner"      -> trim(text(required)),
+    "repository" -> trim(text(required))
+  )(SearchForm.apply)
+
+  case class SearchForm(query: String, owner: String, repository: String)
+
+  post("/search", searchForm){ form =>
+    redirect(s"/${form.owner}/${form.repository}/search?q=${StringUtil.urlEncode(form.query)}")
+  }
+
+  get("/:owner/:repository/search")(referrersOnly { repository =>
+    defining(params("q").trim, params.getOrElse("type", "code")){ case (query, target) =>
+      val page   = try {
+        val i = params.getOrElse("page", "1").toInt
+        if(i <= 0) 1 else i
+      } catch {
+        case e: NumberFormatException => 1
+      }
+
+      target.toLowerCase match {
+        case "issue" => search.html.issues(
+          searchIssues(repository.owner, repository.name, query),
+          countFiles(repository.owner, repository.name, query),
+          query, page, repository)
+
+        case _ => search.html.code(
+          searchFiles(repository.owner, repository.name, query),
+          countIssues(repository.owner, repository.name, query),
+          query, page, repository)
+      }
+    }
+  })
+
+}

src/main/scala/app/SignInController.scala

@@ -1,8 +1,9 @@
 package app
 
 import service._
-import util.StringUtil._
 import jp.sf.amateras.scalatra.forms._
+import util.Implicits._
+import util.Keys
 
 class SignInController extends SignInControllerBase with SystemSettingsService with AccountService
 
@@ -16,27 +17,17 @@ trait SignInControllerBase extends ControllerBase { self: SystemSettingsService
   )(SignInForm.apply)
   
   get("/signin"){
-    val queryString = request.getQueryString
-    if(queryString != null && queryString.startsWith("/")){
-      session.setAttribute("REDIRECT", queryString)
+    val redirect = params.get("redirect")
+    if(redirect.isDefined && redirect.get.startsWith("/")){
+      session.setAttribute(Keys.Session.Redirect, redirect.get)
     }
     html.signin(loadSystemSettings())
   }
 
   post("/signin", form){ form =>
-    val account = getAccountByUserName(form.userName)
-    if(account.isEmpty || account.get.password != sha1(form.password)){
-      redirect("/signin")
-    } else {
-      session.setAttribute("LOGIN_ACCOUNT", account.get)
-      updateLastLoginDate(account.get.userName)
-
-      session.get("REDIRECT").map { redirectUrl =>
-        session.removeAttribute("REDIRECT")
-        redirect(redirectUrl.asInstanceOf[String])
-      }.getOrElse {
-        redirect("/")
-      }
+    authenticate(loadSystemSettings(), form.userName, form.password) match {
+      case Some(account) => signin(account)
+      case None          => redirect("/signin")
     }
   }
 
@@ -45,4 +36,22 @@ trait SignInControllerBase extends ControllerBase { self: SystemSettingsService
     redirect("/")
   }
 
+  /**
+   * Set account information into HttpSession and redirect.
+   */
+  private def signin(account: model.Account) = {
+    session.setAttribute(Keys.Session.LoginAccount, account)
+    updateLastLoginDate(account.userName)
+
+    session.getAndRemove[String](Keys.Session.Redirect).map { redirectUrl =>
+      if(redirectUrl.replaceFirst("/$", "") == request.getContextPath){
+        redirect("/")
+      } else {
+        redirect(redirectUrl)
+      }
+    }.getOrElse {
+      redirect("/")
+    }
+  }
+
 }

src/main/scala/app/SystemSettingsController.scala

@@ -12,11 +12,30 @@ class SystemSettingsController extends SystemSettingsControllerBase
 trait SystemSettingsControllerBase extends ControllerBase with FlashMapSupport {
   self: SystemSettingsService with AccountService with AdminAuthenticator =>
 
-  private case class SystemSettingsForm(allowAccountRegistration: Boolean)
-
   private val form = mapping(
-    "allowAccountRegistration" -> trim(label("Account registration", boolean()))
-  )(SystemSettingsForm.apply)
+    "allowAccountRegistration" -> trim(label("Account registration", boolean())),
+    "gravatar"                 -> trim(label("Gravatar", boolean())),
+    "notification"             -> trim(label("Notification", boolean())),
+    "smtp"                     -> optionalIfNotChecked("notification", mapping(
+        "host"                     -> trim(label("SMTP Host", text(required))),
+        "port"                     -> trim(label("SMTP Port", optional(number()))),
+        "user"                     -> trim(label("SMTP User", optional(text()))),
+        "password"                 -> trim(label("SMTP Password", optional(text()))),
+        "ssl"                      -> trim(label("Enable SSL", optional(boolean()))),
+        "fromAddress"              -> trim(label("FROM Address", optional(text()))),
+        "fromName"                 -> trim(label("FROM Name", optional(text())))
+    )(Smtp.apply)),
+    "ldapAuthentication"       -> trim(label("LDAP", boolean())),
+    "ldap"                     -> optionalIfNotChecked("ldapAuthentication", mapping(
+        "host"                     -> trim(label("LDAP host", text(required))),
+        "port"                     -> trim(label("LDAP port", optional(number()))),
+        "bindDN"                   -> trim(label("Bind DN", optional(text()))),
+        "bindPassword"             -> trim(label("Bind Password", optional(text()))),
+        "baseDN"                   -> trim(label("Base DN", text(required))),
+        "userNameAttribute"        -> trim(label("User name attribute", text(required))),
+        "mailAttribute"            -> trim(label("Mail address attribute", text(required)))
+    )(Ldap.apply))
+  )(SystemSettings.apply)
 
 
   get("/admin/system")(adminOnly {
@@ -24,7 +43,7 @@ trait SystemSettingsControllerBase extends ControllerBase with FlashMapSupport {
   })
 
   post("/admin/system", form)(adminOnly { form =>
-    saveSystemSettings(SystemSettings(form.allowAccountRegistration))
+    saveSystemSettings(form)
     flash += "info" -> "System settings has been updated."
     redirect("/admin/system")
   })

src/main/scala/app/UserManagementController.scala

@@ -1,67 +1,96 @@
 package app
 
 import service._
-import util.{FileUploadUtil, FileUtil, AdminAuthenticator}
+import util.AdminAuthenticator
 import util.StringUtil._
+import util.ControlUtil._
 import jp.sf.amateras.scalatra.forms._
-import org.apache.commons.io.FileUtils
-import util.Directory._
-import scala.Some
 
-class UserManagementController extends UserManagementControllerBase with AccountService with AdminAuthenticator
+class UserManagementController extends UserManagementControllerBase
+  with AccountService with RepositoryService with AdminAuthenticator
 
 trait UserManagementControllerBase extends AccountManagementControllerBase {
-  self: AccountService with AdminAuthenticator =>
+  self: AccountService with RepositoryService with AdminAuthenticator =>
   
-  case class UserNewForm(userName: String, password: String, mailAddress: String, isAdmin: Boolean,
+  case class NewUserForm(userName: String, password: String, fullName: String,
+                         mailAddress: String, isAdmin: Boolean,
                          url: Option[String], fileId: Option[String])
 
-  case class UserEditForm(userName: String, password: Option[String], mailAddress: String, isAdmin: Boolean,
+  case class EditUserForm(userName: String, password: Option[String], fullName: String,
+                          mailAddress: String, isAdmin: Boolean,
                           url: Option[String], fileId: Option[String], clearImage: Boolean)
 
-  val newForm = mapping(
+  case class NewGroupForm(groupName: String, url: Option[String], fileId: Option[String],
+                          memberNames: Option[String])
+
+  case class EditGroupForm(groupName: String, url: Option[String], fileId: Option[String],
+                           memberNames: Option[String], clearImage: Boolean)
+
+  val newUserForm = mapping(
     "userName"    -> trim(label("Username"     , text(required, maxlength(100), identifier, uniqueUserName))),
     "password"    -> trim(label("Password"     , text(required, maxlength(20)))),
+    "fullName"    -> trim(label("Full Name"    , text(required, maxlength(100)))),
     "mailAddress" -> trim(label("Mail Address" , text(required, maxlength(100), uniqueMailAddress()))),
     "isAdmin"     -> trim(label("User Type"    , boolean())),
     "url"         -> trim(label("URL"          , optional(text(maxlength(200))))),
     "fileId"      -> trim(label("File ID"      , optional(text())))
-  )(UserNewForm.apply)
+  )(NewUserForm.apply)
 
-  val editForm = mapping(
+  val editUserForm = mapping(
     "userName"    -> trim(label("Username"     , text(required, maxlength(100), identifier))),
     "password"    -> trim(label("Password"     , optional(text(maxlength(20))))),
+    "fullName"    -> trim(label("Full Name"    , text(required, maxlength(100)))),
     "mailAddress" -> trim(label("Mail Address" , text(required, maxlength(100), uniqueMailAddress("userName")))),
     "isAdmin"     -> trim(label("User Type"    , boolean())),
     "url"         -> trim(label("URL"          , optional(text(maxlength(200))))),
     "fileId"      -> trim(label("File ID"      , optional(text()))),
     "clearImage"  -> trim(label("Clear image"  , boolean()))
-  )(UserEditForm.apply)
-  
+  )(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()))),
+    "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()))),
+    "memberNames" -> trim(label("Member Names" , optional(text()))),
+    "clearImage"  -> trim(label("Clear image"  , boolean()))
+  )(EditGroupForm.apply)
+
   get("/admin/users")(adminOnly {
-    admin.users.html.list(getAllUsers())
+    val users = getAllUsers()
+    val members = users.collect { case account if(account.isGroupAccount) =>
+      account.userName -> getGroupMembers(account.userName)
+    }.toMap
+    admin.users.html.list(users, members)
   })
   
-  get("/admin/users/_new")(adminOnly {
-    admin.users.html.edit(None)
+  get("/admin/users/_newuser")(adminOnly {
+    admin.users.html.user(None)
   })
   
-  post("/admin/users/_new", newForm)(adminOnly { form =>
-    createAccount(form.userName, sha1(form.password), form.mailAddress, form.isAdmin, form.url)
+  post("/admin/users/_newuser", newUserForm)(adminOnly { form =>
+    createAccount(form.userName, sha1(form.password), form.fullName, form.mailAddress, form.isAdmin, form.url)
     updateImage(form.userName, form.fileId, false)
     redirect("/admin/users")
   })
   
-  get("/admin/users/:userName/_edit")(adminOnly {
+  get("/admin/users/:userName/_edituser")(adminOnly {
     val userName = params("userName")
-    admin.users.html.edit(getAccountByUserName(userName))
+    admin.users.html.user(getAccountByUserName(userName))
   })
   
-  post("/admin/users/:name/_edit", editForm)(adminOnly { form =>
+  post("/admin/users/:name/_edituser", editUserForm)(adminOnly { form =>
     val userName = params("userName")
     getAccountByUserName(userName).map { account =>
       updateAccount(getAccountByUserName(userName).get.copy(
         password     = form.password.map(sha1).getOrElse(account.password),
+        fullName     = form.fullName,
         mailAddress  = form.mailAddress,
         isAdmin      = form.isAdmin,
         url          = form.url))
@@ -71,5 +100,46 @@ trait UserManagementControllerBase extends AccountManagementControllerBase {
 
     } getOrElse NotFound
   })
-  
-}
+
+  get("/admin/users/_newgroup")(adminOnly {
+    admin.users.html.group(None, Nil)
+  })
+
+  post("/admin/users/_newgroup", newGroupForm)(adminOnly { form =>
+    createGroup(form.groupName, form.url)
+    updateGroupMembers(form.groupName, form.memberNames.map(_.split(",").toList).getOrElse(Nil))
+    updateImage(form.groupName, form.fileId, false)
+    redirect("/admin/users")
+  })
+
+  get("/admin/users/:groupName/_editgroup")(adminOnly {
+    defining(params("groupName")){ groupName =>
+      admin.users.html.group(getAccountByUserName(groupName), getGroupMembers(groupName))
+    }
+  })
+
+  post("/admin/users/:groupName/_editgroup", editGroupForm)(adminOnly { form =>
+    defining(params("groupName"), form.memberNames.map(_.split(",").toList).getOrElse(Nil)){ case (groupName, memberNames) =>
+      getAccountByUserName(groupName).map { account =>
+        updateGroup(groupName, form.url)
+        updateGroupMembers(form.groupName, memberNames)
+
+        getRepositoryNamesOfUser(form.groupName).foreach { repositoryName =>
+          removeCollaborators(form.groupName, repositoryName)
+          memberNames.foreach { userName =>
+            addCollaborator(form.groupName, repositoryName, userName)
+          }
+        }
+
+        updateImage(form.groupName, form.fileId, form.clearImage)
+        redirect("/admin/users")
+
+      } getOrElse NotFound
+    }
+  })
+
+  post("/admin/users/_usercheck")(adminOnly {
+    getAccountByUserName(params("userName")).isDefined
+  })
+
+}

src/main/scala/app/WikiController.scala

@@ -1,32 +1,39 @@
 package app
 
 import service._
-import util.{CollaboratorsAuthenticator, ReferrerAuthenticator, JGitUtil, StringUtil}
+import util._
 import util.Directory._
+import util.ControlUtil._
 import jp.sf.amateras.scalatra.forms._
+import org.eclipse.jgit.api.Git
+import org.scalatra.FlashMapSupport
+import service.WikiService.WikiPageInfo
+import scala.Some
 
 class WikiController extends WikiControllerBase 
   with WikiService with RepositoryService with AccountService with ActivityService
   with CollaboratorsAuthenticator with ReferrerAuthenticator
 
-trait WikiControllerBase extends ControllerBase {
+trait WikiControllerBase extends ControllerBase with FlashMapSupport {
   self: WikiService with RepositoryService with ActivityService
     with CollaboratorsAuthenticator with ReferrerAuthenticator =>
 
-  case class WikiPageEditForm(pageName: String, content: String, message: Option[String], currentPageName: String)
+  case class WikiPageEditForm(pageName: String, content: String, message: Option[String], currentPageName: String, id: String)
   
   val newForm = mapping(
-    "pageName"        -> trim(label("Page name"          , text(required, maxlength(40), pagename, unique))),
-    "content"         -> trim(label("Content"            , text(required))),
-    "message"         -> trim(label("Message"            , optional(text()))),
-    "currentPageName" -> trim(label("Current page name"  , text()))
+    "pageName"        -> trim(label("Page name"         , text(required, maxlength(40), pagename, unique))),
+    "content"         -> trim(label("Content"           , text(required, conflictForNew))),
+    "message"         -> trim(label("Message"           , optional(text()))),
+    "currentPageName" -> trim(label("Current page name" , text())),
+    "id"              -> trim(label("Latest commit id"  , text()))
   )(WikiPageEditForm.apply)
   
   val editForm = mapping(
-    "pageName"        -> trim(label("Page name"          , text(required, maxlength(40), pagename))),
-    "content"         -> trim(label("Content"            , text(required))),
-    "message"         -> trim(label("Message"            , optional(text()))),
-    "currentPageName" -> trim(label("Current page name"  , text(required)))
+    "pageName"        -> trim(label("Page name"         , text(required, maxlength(40), pagename))),
+    "content"         -> trim(label("Content"           , text(required, conflictForEdit))),
+    "message"         -> trim(label("Message"           , optional(text()))),
+    "currentPageName" -> trim(label("Current page name" , text(required))),
+    "id"              -> trim(label("Latest commit id"  , text(required)))
   )(WikiPageEditForm.apply)
   
   get("/:owner/:repository/wiki")(referrersOnly { repository =>
@@ -40,13 +47,13 @@ trait WikiControllerBase extends ControllerBase {
 
     getWikiPage(repository.owner, repository.name, pageName).map { page =>
       wiki.html.page(pageName, page, repository, hasWritePermission(repository.owner, repository.name, context.loginAccount))
-    } getOrElse redirect(s"/${repository.owner}/${repository.name}/wiki/${pageName}/_edit") // TODO URLEncode
+    } getOrElse redirect(s"/${repository.owner}/${repository.name}/wiki/${StringUtil.urlEncode(pageName)}/_edit")
   })
   
   get("/:owner/:repository/wiki/:page/_history")(referrersOnly { repository =>
     val pageName = StringUtil.urlDecode(params("page"))
 
-    JGitUtil.withGit(getWikiRepositoryDir(repository.owner, repository.name)){ git =>
+    using(Git.open(getWikiRepositoryDir(repository.owner, repository.name))){ git =>
       JGitUtil.getCommitLog(git, "master", path = pageName + ".md") match {
         case Right((logs, hasNext)) => wiki.html.history(Some(pageName), logs, repository)
         case Left(_) => NotFound
@@ -56,36 +63,60 @@ trait WikiControllerBase extends ControllerBase {
   
   get("/:owner/:repository/wiki/:page/_compare/:commitId")(referrersOnly { repository =>
     val pageName = StringUtil.urlDecode(params("page"))
-    val commitId = params("commitId").split("\\.\\.\\.")
+    val Array(from, to) = params("commitId").split("\\.\\.\\.")
 
-    JGitUtil.withGit(getWikiRepositoryDir(repository.owner, repository.name)){ git =>
-      wiki.html.compare(Some(pageName), getWikiDiffs(git, commitId(0), commitId(1)), repository)
+    using(Git.open(getWikiRepositoryDir(repository.owner, repository.name))){ git =>
+      wiki.html.compare(Some(pageName), from, to, JGitUtil.getDiffs(git, from, to, true), repository,
+        hasWritePermission(repository.owner, repository.name, context.loginAccount), flash.get("info"))
     }
   })
   
   get("/:owner/:repository/wiki/_compare/:commitId")(referrersOnly { repository =>
-    val commitId   = params("commitId").split("\\.\\.\\.")
+    val Array(from, to) = params("commitId").split("\\.\\.\\.")
 
-    JGitUtil.withGit(getWikiRepositoryDir(repository.owner, repository.name)){ git =>
-      wiki.html.compare(None, getWikiDiffs(git, commitId(0), commitId(1)), repository)
+    using(Git.open(getWikiRepositoryDir(repository.owner, repository.name))){ git =>
+      wiki.html.compare(None, from, to, JGitUtil.getDiffs(git, from, to, true), repository,
+        hasWritePermission(repository.owner, repository.name, context.loginAccount), flash.get("info"))
     }
   })
-  
+
+  get("/:owner/:repository/wiki/:page/_revert/:commitId")(collaboratorsOnly { repository =>
+    val pageName = StringUtil.urlDecode(params("page"))
+    val Array(from, to) = params("commitId").split("\\.\\.\\.")
+
+    if(revertWikiPage(repository.owner, repository.name, from, to, context.loginAccount.get, Some(pageName))){
+      redirect(s"/${repository.owner}/${repository.name}/wiki/${StringUtil.urlEncode(pageName)}")
+    } else {
+      flash += "info" -> "This patch was not able to be reversed."
+      redirect(s"/${repository.owner}/${repository.name}/wiki/${StringUtil.urlEncode(pageName)}/_compare/${from}...${to}")
+    }
+  })
+
+  get("/:owner/:repository/wiki/_revert/:commitId")(collaboratorsOnly { repository =>
+    val Array(from, to) = params("commitId").split("\\.\\.\\.")
+
+    if(revertWikiPage(repository.owner, repository.name, from, to, context.loginAccount.get, None)){
+      redirect(s"/${repository.owner}/${repository.name}/wiki/}")
+    } else {
+      flash += "info" -> "This patch was not able to be reversed."
+      redirect(s"/${repository.owner}/${repository.name}/wiki/_compare/${from}...${to}")
+    }
+  })
+
   get("/:owner/:repository/wiki/:page/_edit")(collaboratorsOnly { repository =>
     val pageName = StringUtil.urlDecode(params("page"))
     wiki.html.edit(pageName, getWikiPage(repository.owner, repository.name, pageName), repository)
   })
   
   post("/:owner/:repository/wiki/_edit", editForm)(collaboratorsOnly { (form, repository) =>
-    val loginAccount = context.loginAccount.get
-    
-    saveWikiPage(repository.owner, repository.name, form.currentPageName, form.pageName,
-        form.content, loginAccount, form.message.getOrElse(""))
-    
-    updateLastActivityDate(repository.owner, repository.name)
-    recordEditWikiPageActivity(repository.owner, repository.name, loginAccount.userName, form.pageName)
-
-    redirect(s"/${repository.owner}/${repository.name}/wiki/${StringUtil.urlEncode(form.pageName)}")
+    defining(context.loginAccount.get){ loginAccount =>
+      saveWikiPage(repository.owner, repository.name, form.currentPageName, form.pageName,
+          form.content, loginAccount, form.message.getOrElse(""), Some(form.id)).map { commitId =>
+        updateLastActivityDate(repository.owner, repository.name)
+        recordEditWikiPageActivity(repository.owner, repository.name, loginAccount.userName, form.pageName, commitId)
+      }
+      redirect(s"/${repository.owner}/${repository.name}/wiki/${StringUtil.urlEncode(form.pageName)}")
+    }
   })
   
   get("/:owner/:repository/wiki/_new")(collaboratorsOnly {
@@ -93,24 +124,26 @@ trait WikiControllerBase extends ControllerBase {
   })
   
   post("/:owner/:repository/wiki/_new", newForm)(collaboratorsOnly { (form, repository) =>
-    val loginAccount = context.loginAccount.get
-    
-    saveWikiPage(repository.owner, repository.name, form.currentPageName, form.pageName,
-        form.content, context.loginAccount.get, form.message.getOrElse(""))
-    
-    updateLastActivityDate(repository.owner, repository.name)
-    recordCreateWikiPageActivity(repository.owner, repository.name, loginAccount.userName, form.pageName)
+    defining(context.loginAccount.get){ loginAccount =>
+      saveWikiPage(repository.owner, repository.name, form.currentPageName, form.pageName,
+          form.content, loginAccount, form.message.getOrElse(""), None)
 
-    redirect(s"/${repository.owner}/${repository.name}/wiki/${StringUtil.urlEncode(form.pageName)}")
+      updateLastActivityDate(repository.owner, repository.name)
+      recordCreateWikiPageActivity(repository.owner, repository.name, loginAccount.userName, form.pageName)
+
+      redirect(s"/${repository.owner}/${repository.name}/wiki/${StringUtil.urlEncode(form.pageName)}")
+    }
   })
   
   get("/:owner/:repository/wiki/:page/_delete")(collaboratorsOnly { repository =>
-      val pageName = StringUtil.urlDecode(params("page"))
-    
-    deleteWikiPage(repository.owner, repository.name, pageName, context.loginAccount.get.userName, s"Delete ${pageName}")
-    updateLastActivityDate(repository.owner, repository.name)
+    val pageName = StringUtil.urlDecode(params("page"))
 
-    redirect(s"/${repository.owner}/${repository.name}/wiki")
+    defining(context.loginAccount.get){ loginAccount =>
+      deleteWikiPage(repository.owner, repository.name, pageName, loginAccount.fullName, loginAccount.mailAddress, s"Destroyed ${pageName}")
+      updateLastActivityDate(repository.owner, repository.name)
+
+      redirect(s"/${repository.owner}/${repository.name}/wiki")
+    }
   })
   
   get("/:owner/:repository/wiki/_pages")(referrersOnly { repository =>
@@ -119,7 +152,7 @@ trait WikiControllerBase extends ControllerBase {
   })
   
   get("/:owner/:repository/wiki/_history")(referrersOnly { repository =>
-    JGitUtil.withGit(getWikiRepositoryDir(repository.owner, repository.name)){ git =>
+    using(Git.open(getWikiRepositoryDir(repository.owner, repository.name))){ git =>
       JGitUtil.getCommitLog(git, "master") match {
         case Right((logs, hasNext)) => wiki.html.history(None, logs, repository)
         case Left(_) => NotFound
@@ -128,19 +161,21 @@ trait WikiControllerBase extends ControllerBase {
   })
 
   get("/:owner/:repository/wiki/_blob/*")(referrersOnly { repository =>
-    getFileContent(repository.owner, repository.name, multiParams("splat").head).map { content =>
-        contentType = "application/octet-stream"
-        content
+    val path = multiParams("splat").head
+
+    getFileContent(repository.owner, repository.name, path).map { bytes =>
+      contentType = FileUtil.getContentType(path, bytes)
+      bytes
     } getOrElse NotFound
   })
 
   private def unique: Constraint = new Constraint(){
-    def validate(name: String, value: String): Option[String] =
+    override def validate(name: String, value: String, params: Map[String, String]): Option[String] =
       getWikiPageList(params("owner"), params("repository")).find(_ == value).map(_ => "Page already exists.")
   }
 
   private def pagename: Constraint = new Constraint(){
-    def validate(name: String, value: String): Option[String] =
+    override def validate(name: String, value: String): Option[String] =
       if(value.exists("\\/:*?\"<>|".contains(_))){
         Some(s"${name} contains invalid character.")
       } else if(value.startsWith("_") || value.startsWith("-")){
@@ -150,5 +185,22 @@ trait WikiControllerBase extends ControllerBase {
       }
   }
 
+  private def conflictForNew: Constraint = new Constraint(){
+    override def validate(name: String, value: String): Option[String] = {
+      optionIf(targetWikiPage.nonEmpty){
+        Some("Someone has created the wiki since you started. Please reload this page and re-apply your changes.")
+      }
+    }
+  }
 
-}
+  private def conflictForEdit: Constraint = new Constraint(){
+    override def validate(name: String, value: String): Option[String] = {
+      optionIf(targetWikiPage.map(_.id != params("id")).getOrElse(true)){
+        Some("Someone has edited the wiki since you started. Please reload this page and re-apply your changes.")
+      }
+    }
+  }
+
+  private def targetWikiPage = getWikiPage(params("owner"), params("repository"), params("pageName"))
+
+}

src/main/scala/model/Account.scala

@@ -4,6 +4,7 @@ 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")
@@ -12,11 +13,13 @@ object Accounts extends Table[Account]("ACCOUNT") {
   def updatedDate = column[java.util.Date]("UPDATED_DATE")
   def lastLoginDate = column[java.util.Date]("LAST_LOGIN_DATE")
   def image = column[String]("IMAGE")
-  def * = userName ~ mailAddress ~ password ~ isAdmin ~ url.? ~ registeredDate ~ updatedDate ~ lastLoginDate.? ~ image.? <> (Account, Account.unapply _)
+  def groupAccount = column[Boolean]("GROUP_ACCOUNT")
+  def * = userName ~ fullName ~ mailAddress ~ password ~ isAdmin ~ url.? ~ registeredDate ~ updatedDate ~ lastLoginDate.? ~ image.? ~ groupAccount <> (Account, Account.unapply _)
 }
 
 case class Account(
     userName: String,
+    fullName: String,
     mailAddress: String,
     password: String,
     isAdmin: Boolean,
@@ -24,5 +27,6 @@ case class Account(
     registeredDate: java.util.Date,
     updatedDate: java.util.Date,
     lastLoginDate: Option[java.util.Date],
-    image: Option[String]
+    image: Option[String],
+    isGroupAccount: Boolean
 )

src/main/scala/model/GroupMembers.scala

@@ -0,0 +1,14 @@
+package model
+
+import scala.slick.driver.H2Driver.simple._
+
+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
+)

src/main/scala/model/Issue.scala

@@ -7,6 +7,11 @@ object IssueId extends Table[(String, String, Int)]("ISSUE_ID") with IssueTempla
   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")
@@ -15,7 +20,8 @@ object Issues extends Table[Issue]("ISSUE") with IssueTemplate with MilestoneTem
   def closed = column[Boolean]("CLOSED")
   def registeredDate = column[java.util.Date]("REGISTERED_DATE")
   def updatedDate = column[java.util.Date]("UPDATED_DATE")
-  def * = userName ~ repositoryName ~ issueId ~ openedUserName ~ milestoneId.? ~ assignedUserName.? ~ title ~ content.? ~ closed ~ registeredDate ~ updatedDate <> (Issue, Issue.unapply _)
+  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)
 }
@@ -31,4 +37,5 @@ case class Issue(
     content: Option[String],
     closed: Boolean,
     registeredDate: java.util.Date,
-    updatedDate: java.util.Date)
+    updatedDate: java.util.Date,
+    isPullRequest: Boolean)

src/main/scala/model/PullRequest.scala

@@ -0,0 +1,28 @@
+package model
+
+import scala.slick.driver.H2Driver.simple._
+
+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 _)
+
+  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(
+  userName: String,
+  repositoryName: String,
+  issueId: Int,
+  branch: String,
+  requestUserName: String,
+  requestRepositoryName: String,
+  requestBranch: String,
+  commitIdFrom: String,
+  commitIdTo: String
+)

src/main/scala/model/Repository.scala

@@ -9,7 +9,11 @@ object Repositories extends Table[Repository]("REPOSITORY") with BasicTemplate {
   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 * = userName ~ repositoryName ~ isPrivate ~ description.? ~ defaultBranch ~ registeredDate ~ updatedDate ~ lastActivityDate <> (Repository, Repository.unapply _)
+  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 _)
 
   def byPrimaryKey(owner: String, repository: String) = byRepository(owner, repository)
 }
@@ -22,5 +26,9 @@ case class Repository(
   defaultBranch: String,
   registeredDate: java.util.Date,
   updatedDate: java.util.Date,
-  lastActivityDate: java.util.Date
+  lastActivityDate: java.util.Date,
+  originUserName: Option[String],
+  originRepositoryName: Option[String],
+  parentUserName: Option[String],
+  parentRepositoryName: Option[String]
 )

src/main/scala/model/WebHook.scala

@@ -0,0 +1,16 @@
+package model
+
+import scala.slick.driver.H2Driver.simple._
+
+object WebHooks extends Table[WebHook]("WEB_HOOK") with BasicTemplate {
+  def url = column[String]("URL")
+  def * = userName ~ repositoryName ~ url <> (WebHook, WebHook.unapply _)
+
+  def byPrimaryKey(owner: String, repository: String, url: String) = byRepository(owner, repository) && (this.url is url.bind)
+}
+
+case class WebHook(
+  userName: String,
+  repositoryName: String,
+  url: String
+)

src/main/scala/model/package.scala

@@ -1,5 +1,6 @@
 package object model {
-  import scala.slick.lifted.MappedTypeMapper
+  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](
@@ -7,6 +8,10 @@ package object model {
       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.
    */

src/main/scala/service/AccountService.scala

@@ -3,9 +3,54 @@ package service
 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
 
 trait AccountService {
 
+  private val logger = LoggerFactory.getLogger(classOf[AccountService])
+
+  def authenticate(settings: SystemSettings, userName: String, password: String): Option[Account] =
+    if(settings.ldapAuthentication){
+      ldapAuthentication(settings, userName, password)
+    } else {
+      defaultAuthentication(userName, password)
+    }
+
+  /**
+   * Authenticate by internal database.
+   */
+  private def defaultAuthentication(userName: String, password: String) = {
+    getAccountByUserName(userName).collect {
+      case account if(!account.isGroupAccount && account.password == sha1(password)) => Some(account)
+    } getOrElse None
+  }
+
+  /**
+   * Authenticate by LDAP.
+   */
+  private def ldapAuthentication(settings: SystemSettings, userName: String, password: String) = {
+    LDAPUtil.authenticate(settings.ldap.get, userName, password) match {
+      case Right(mailAddress) => {
+        // Create or update account by LDAP information
+        getAccountByUserName(userName) match {
+          case Some(x) => updateAccount(x.copy(mailAddress = mailAddress))
+          case None    => createAccount(userName, "", userName, mailAddress, false, None)
+        }
+        getAccountByUserName(userName)
+      }
+      case Left(errorMessage) => {
+        logger.info(s"LDAP Authentication Failed: ${errorMessage}")
+        defaultAuthentication(userName, password)
+      }
+    }
+  }
+
   def getAccountByUserName(userName: String): Option[Account] = 
     Query(Accounts) filter(_.userName is userName.bind) firstOption
 
@@ -14,24 +59,27 @@ trait AccountService {
 
   def getAllUsers(): List[Account] = Query(Accounts) sortBy(_.userName) list
     
-  def createAccount(userName: String, password: String, mailAddress: String, isAdmin: Boolean, url: Option[String]): Unit =
+  def createAccount(userName: String, password: String, fullName: String, mailAddress: String, isAdmin: Boolean, url: Option[String]): Unit =
     Accounts insert Account(
       userName       = userName,
       password       = password,
+      fullName       = fullName,
       mailAddress    = mailAddress,
       isAdmin        = isAdmin,
       url            = url,
       registeredDate = currentDate,
       updatedDate    = currentDate,
       lastLoginDate  = None,
-      image          = None)
+      image          = None,
+      isGroupAccount = false)
 
   def updateAccount(account: Account): Unit = 
     Accounts
       .filter { a => a.userName is account.userName.bind }
-      .map    { a => a.password ~ a.mailAddress ~ a.isAdmin ~ a.url.? ~ a.registeredDate ~ a.updatedDate ~ a.lastLoginDate.? }
+      .map    { a => a.password ~ a.fullName ~ a.mailAddress ~ a.isAdmin ~ a.url.? ~ a.registeredDate ~ a.updatedDate ~ a.lastLoginDate.? }
       .update (
         account.password, 
+        account.fullName, 
         account.mailAddress, 
         account.isAdmin,
         account.url,
@@ -44,5 +92,43 @@ trait AccountService {
 
   def updateLastLoginDate(userName: String): Unit =
     Accounts.filter(_.userName is userName.bind).map(_.lastLoginDate).update(currentDate)
-  
+
+  def createGroup(groupName: String, url: Option[String]): Unit =
+    Accounts insert Account(
+      userName       = groupName,
+      password       = "",
+      fullName       = groupName,
+      mailAddress    = groupName + "@devnull",
+      isAdmin        = false,
+      url            = url,
+      registeredDate = currentDate,
+      updatedDate    = currentDate,
+      lastLoginDate  = None,
+      image          = None,
+      isGroupAccount = true)
+
+  def updateGroup(groupName: String, url: Option[String]): Unit =
+    Accounts.filter(_.userName is groupName.bind).map(_.url.?).update(url)
+
+  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): List[String] =
+    Query(GroupMembers)
+      .filter(_.groupName is groupName.bind)
+      .sortBy(_.userName)
+      .map(_.userName)
+      .list
+
+  def getGroupsByUserName(userName: String): List[String] =
+    Query(GroupMembers)
+      .filter(_.userName is userName.bind)
+      .sortBy(_.groupName)
+      .map(_.groupName)
+      .list
+
 }

src/main/scala/service/ActivityService.scala

@@ -6,23 +6,23 @@ import Database.threadLocalSession
 
 trait ActivityService {
 
-  def getActivitiesByUser(activityUserName: String, isPublic: Boolean): List[Activity] = {
-    val q = Query(Activities)
+  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 is activityUserName.bind) && (t2.isPrivate is false.bind)
+        } else {
+          (t1.activityUserName is activityUserName.bind)
+        }
+      }
+      .sortBy { case (t1, t2) => t1.activityId desc }
+      .map    { case (t1, t2) => t1 }
+      .take(30)
+      .list
 
-    (if(isPublic){
-      q filter { case (t1, t2) => (t1.activityUserName is activityUserName.bind) && (t2.isPrivate is false.bind) }
-    } else {
-      q filter { case (t1, t2) => t1.activityUserName is activityUserName.bind }
-    })
-    .sortBy { case (t1, t2) => t1.activityId desc }
-    .map    { case (t1, t2) => t1 }
-    .take(30)
-    .list
-  }
-  
   def getRecentActivities(): List[Activity] =
-    Query(Activities)
+    Activities
       .innerJoin(Repositories).on((t1, t2) => t1.byRepository(t2.userName, t2.repositoryName))
       .filter { case (t1, t2) => t2.isPrivate is false.bind }
       .sortBy { case (t1, t2) => t1.activityId desc }
@@ -52,6 +52,13 @@ trait ActivityService {
       Some(title),
       currentDate)
 
+  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): Unit =
     Activities.autoInc insert(userName, repositoryName, activityUserName,
       "reopen_issue",
@@ -65,7 +72,14 @@ trait ActivityService {
       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): 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) =
     Activities.autoInc insert(userName, repositoryName, activityUserName,
       "create_wiki",
@@ -73,11 +87,11 @@ trait ActivityService {
       Some(pageName),
       currentDate)
   
-  def recordEditWikiPageActivity(userName: String, repositoryName: String, activityUserName: String, pageName: String) =
+  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),
+      Some(pageName + ":" + commitId),
       currentDate)
   
   def recordPushActivity(userName: String, repositoryName: String, activityUserName: String, 
@@ -98,15 +112,42 @@ trait ActivityService {
   
   def recordCreateBranchActivity(userName: String, repositoryName: String, activityUserName: String, branchName: String) =
     Activities.autoInc insert(userName, repositoryName, activityUserName,
-      "create_tag",
+      "create_branch",
       s"[user:${activityUserName}] created branch [tag:${userName}/${repositoryName}#${branchName}] at [repo:${userName}/${repositoryName}]",
       None,
       currentDate)
-  
+
+  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}/${repositoryName}]",
+      None,
+      currentDate)
+
+  def recordPullRequestActivity(userName: String, repositoryName: String, activityUserName: String, issueId: Int, title: String): Unit =
+    Activities.autoInc insert(userName, repositoryName, activityUserName,
+      "open_pullreq",
+      s"[user:${activityUserName}] opened pull request [pullreq:${userName}/${repositoryName}#${issueId}]",
+      Some(title),
+      currentDate)
+
+  def recordMergeActivity(userName: String, repositoryName: String, activityUserName: String, issueId: Int, message: String): Unit =
+    Activities.autoInc insert(userName, repositoryName, activityUserName,
+      "merge_pullreq",
+      s"[user:${activityUserName}] merged pull request [pullreq:${userName}/${repositoryName}#${issueId}]",
+      Some(message),
+      currentDate)
+
   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
   

src/main/scala/service/IssuesService.scala

@@ -6,8 +6,8 @@ import scala.slick.jdbc.{StaticQuery => Q}
 import Q.interpolation
 
 import model._
-import util.StringUtil._
 import util.Implicits._
+import util.StringUtil._
 
 trait IssuesService {
   import IssuesService._
@@ -42,33 +42,28 @@ trait IssuesService {
   /**
    * Returns the count of the search result against  issues.
    *
-   * @param owner the repository owner
-   * @param repository the repository name
    * @param condition the search condition
-   * @param filter the filter type ("all", "assigned" or "created_by")
-   * @param userName the filter user name required for "assigned" and "created_by"
+   * @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(owner: String, repository: String, condition: IssueSearchCondition, filter: String, userName: Option[String]): Int = {
-    // TODO It must be _.length instead of map (_.issueId) list).length.
-    //       But it does not work on Slick 1.0.1 (worked on Slick 1.0.0).
-    //       https://github.com/slick/slick/issues/170
-    (searchIssueQuery(owner, repository, condition, filter, userName) map (_.issueId) list).length
-  }
+  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 filter the filter type ("all", "assigned" or "created_by")
-   * @param userName the filter user name required for "assigned" and "created_by"
-   * @return the Map which contains issue count for each labels (key is label name, value is issue count),
+   * @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,
-                              filter: String, userName: Option[String]): Map[String, Int] = {
+                              filterUser: Map[String, String]): Map[String, Int] = {
 
-    searchIssueQuery(owner, repository, condition.copy(labels = Set.empty), filter, userName)
+    searchIssueQuery(Seq(owner -> repository), condition.copy(labels = Set.empty), filterUser, false)
       .innerJoin(IssueLabels).on { (t1, t2) =>
         t1.byIssue(t2.userName, t2.repositoryName, t2.issueId)
       }
@@ -83,76 +78,100 @@ trait IssuesService {
       }
       .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 owner the repository owner
-   * @param repository the repository name
    * @param condition the search condition
-   * @param filter the filter type ("all", "assigned" or "created_by")
-   * @param userName the filter user name required for "assigned" and "created_by"
+   * @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(owner: String, repository: String, condition: IssueSearchCondition,
-                  filter: String, userName: Option[String], offset: Int, limit: Int): List[(Issue, List[Label], Int)] = {
+  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
-    val issues = searchIssueQuery(owner, repository, condition, filter, userName)
-      .leftJoin(Query(IssueComments)
-        .filter  { t =>
-          (t.byRepository(owner, repository)) &&
-          (t.action inSetBind Seq("comment", "close_comment", "reopen_comment"))
+    // 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) }
+        .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.?)
         }
-        .groupBy { _.issueId }
-        .map     { case (issueId, t) => issueId ~ t.length }).on((t1, t2) => t1.issueId is t2._1)
-      .sortBy { case (t1, t2) =>
-        (condition.sort match {
-          case "created"  => t1.registeredDate
-          case "comments" => t2._2
-          case "updated"  => t1.updatedDate
-        }) match {
-          case sort => condition.direction match {
-            case "asc"  => sort asc
-            case "desc" => sort desc
+        .sortBy(_._4)	// labelName
+        .sortBy { case (t1, commentCount, _,_,_) =>
+          (condition.sort match {
+            case "created"  => t1.registeredDate
+            case "comments" => commentCount
+            case "updated"  => t1.updatedDate
+          }) match {
+            case sort => condition.direction match {
+              case "asc"  => sort asc
+              case "desc" => sort desc
+            }
           }
         }
-      }
-      .map { case (t1, t2) => (t1, t2._2.ifNull(0)) }
-      .drop(offset).take(limit)
-      .list
-
-    // get labels
-    val labels = Query(IssueLabels)
-      .innerJoin(Labels).on { (t1, t2) =>
-        t1.byLabel(t2.userName, t2.repositoryName, t2.labelId)
-      }
-      .filter { case (t1, t2) =>
-        (t1.byRepository(owner, repository)) &&
-        (t1.issueId inSetBind (issues.map(_._1.issueId)))
-      }
-      .sortBy { case (t1, t2) => t1.issueId ~ t2.labelName }
-      .map    { case (t1, t2) => (t1.issueId, t2) }
-      .list
-
-    issues.map { case (issue, commentCount) =>
-      (issue, labels.collect { case (issueId, labels) if(issueId == issue.issueId) => labels }, commentCount)
-    }
+        .drop(offset).take(limit)
+        .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(owner: String, repository: String, condition: IssueSearchCondition, filter: String, userName: Option[String]) =
+  private def searchIssueQuery(repos: Seq[(String, String)], condition: IssueSearchCondition,
+                               filterUser: Map[String, String], onlyPullRequest: Boolean) =
     Query(Issues) filter { t1 =>
-      (t1.byRepository(owner, repository)) &&
+      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 userName.get.bind, filter == "assigned") &&
-      (t1.openedUserName   is userName.get.bind, filter == "created_by") &&
+      (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
@@ -164,7 +183,7 @@ trait IssuesService {
     }
 
   def createIssue(owner: String, repository: String, loginUser: String, title: String, content: Option[String],
-                  assignedUserName: Option[String], milestoneId: Option[Int]) =
+                  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 =>
@@ -179,7 +198,8 @@ trait IssuesService {
           content,
           false,
           currentDate,
-          currentDate)
+          currentDate,
+          isPullRequest)
 
       // increment issue id
       IssueId
@@ -237,6 +257,60 @@ trait IssuesService {
       }
       .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 {
@@ -247,6 +321,7 @@ object IssuesService {
   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"){
@@ -258,6 +333,7 @@ object IssuesService {
           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("&")
@@ -274,12 +350,21 @@ object IssuesService {
     def apply(request: HttpServletRequest): IssueSearchCondition =
       IssueSearchCondition(
         param(request, "labels").map(_.split(" ").toSet).getOrElse(Set.empty),
-        param(request, "milestone").map(_ match {
+        param(request, "milestone").map{
           case "none" => None
-          case x      => Some(x.toInt)
-        }),
+          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
+    }
   }
+
 }

src/main/scala/service/PullRequestService.scala

@@ -0,0 +1,54 @@
+package service
+
+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): Option[(Issue, PullRequest)] =
+    getIssue(owner, repository, issueId.toString).flatMap{ issue =>
+      Query(PullRequests).filter(_.byPrimaryKey(owner, repository, issueId)).firstOption.map{
+        pullreq => (issue, pullreq)
+      }
+    }
+
+  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         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 createPullRequest(originUserName: String, originRepositoryName: String, issueId: Int,
+        originBranch: String, requestUserName: String, requestRepositoryName: String, requestBranch: String,
+        commitIdFrom: String, commitIdTo: String): Unit =
+    PullRequests insert (PullRequest(
+      originUserName,
+      originRepositoryName,
+      issueId,
+      originBranch,
+      requestUserName,
+      requestRepositoryName,
+      requestBranch,
+      commitIdFrom,
+      commitIdTo))
+
+}
+
+object PullRequestService {
+
+  val PullRequestLimit = 25
+
+  case class PullRequestCount(userName: String, count: Int)
+
+}

src/main/scala/service/RepositorySearchService.scala

@@ -0,0 +1,126 @@
+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
+
+trait
+RepositorySearchService { self: IssuesService =>
+  import RepositorySearchService._
+
+  def countIssues(owner: String, repository: String, query: String): Int =
+    searchIssuesByKeyword(owner, repository, query).length
+
+  def searchIssues(owner: String, repository: String, query: String): List[IssueSearchResult] =
+    searchIssuesByKeyword(owner, repository, query).map { case (issue, commentCount, content) =>
+      IssueSearchResult(
+        issue.issueId,
+        issue.title,
+        issue.openedUserName,
+        issue.registeredDate,
+        commentCount,
+        getHighlightText(content, query)._1)
+    }
+
+  def countFiles(owner: String, repository: String, query: String): Int =
+    using(Git.open(getRepositoryDir(owner, repository))){ git =>
+      if(JGitUtil.isEmpty(git)) 0 else searchRepositoryFiles(git, query).length
+    }
+
+  def searchFiles(owner: String, repository: String, query: String): List[FileSearchResult] =
+    using(Git.open(getRepositoryDir(owner, repository))){ git =>
+      if(JGitUtil.isEmpty(git)){
+        Nil
+      } else {
+        val files = searchRepositoryFiles(git, query)
+        val commits = JGitUtil.getLatestCommitFromPaths(git, files.toList.map(_._1), "HEAD")
+        files.map { case (path, text) =>
+          val (highlightText, lineNumber)  = getHighlightText(text, query)
+          FileSearchResult(
+            path,
+            commits(path).getCommitterIdent.getWhen,
+            highlightText,
+            lineNumber)
+        }
+      }
+    }
+
+  private def searchRepositoryFiles(git: Git, query: String): List[(String, String)] = {
+    val revWalk   = new RevWalk(git.getRepository)
+    val objectId  = git.getRepository.resolve("HEAD")
+    val revCommit = revWalk.parseCommit(objectId)
+    val treeWalk  = new TreeWalk(git.getRepository)
+    treeWalk.setRecursive(true)
+    treeWalk.addTree(revCommit.getTree)
+
+    val keywords = StringUtil.splitWords(query.toLowerCase)
+    val list = new ListBuffer[(String, String)]
+
+    while (treeWalk.next()) {
+      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
+            val indices   = keywords.map(lowerText.indexOf _)
+            if(!indices.exists(_ < 0)){
+              list.append((treeWalk.getPathString, text))
+            }
+          }
+        }
+      }
+    }
+    treeWalk.release
+    revWalk.release
+
+    list.toList
+  }
+
+}
+
+object RepositorySearchService {
+
+  val CodeLimit  = 10
+  val IssueLimit = 10
+
+  def getHighlightText(content: String, query: String): (String, Int) = {
+    val keywords  = StringUtil.splitWords(query.toLowerCase)
+    val lowerText = content.toLowerCase
+    val indices   = keywords.map(lowerText.indexOf _)
+
+    if(!indices.exists(_ < 0)){
+      val lineNumber = content.substring(0, indices.min).split("\n").size - 1
+      val highlightText = StringUtil.escapeHtml(content.split("\n").drop(lineNumber).take(5).mkString("\n"))
+        .replaceAll("(?i)(" + keywords.map("\\Q" + _ + "\\E").mkString("|") +  ")",
+        "<span class=\"highlight\">$1</span>")
+      (highlightText, lineNumber + 1)
+    } else {
+      (content.split("\n").take(5).mkString("\n"), 1)
+    }
+  }
+
+  case class SearchResult(
+    files : List[(String, String)],
+    issues: List[(Issue, Int, String)])
+
+  case class IssueSearchResult(
+    issueId: Int,
+    title: String,
+    openedUserName: String,
+    registeredDate: java.util.Date,
+    commentCount: Int,
+    highlightText: String)
+
+  case class FileSearchResult(
+     path: String,
+     lastModified: java.util.Date,
+     highlightText: String,
+     highlightLineNumber: Int)
+
+}

src/main/scala/service/RepositoryService.scala

@@ -15,19 +15,27 @@ trait RepositoryService { self: AccountService =>
    * @param userName the user name of the repository owner
    * @param description the repository description
    * @param isPrivate the repository type (private is true, otherwise false)
+   * @param originRepositoryName specify for the forked repository. (default is None)
+   * @param originUserName specify for the forked repository. (default is None)
    */
-  def createRepository(repositoryName: String, userName: String, description: Option[String], isPrivate: Boolean): Unit = {
+  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): Unit = {
     Repositories insert
       Repository(
-        userName         = userName,
-        repositoryName   = repositoryName,
-        isPrivate        = isPrivate,
-        description      = description,
-        defaultBranch    = "master",
-        registeredDate   = currentDate,
-        updatedDate      = currentDate,
-        lastActivityDate = currentDate)
-    
+        userName             = userName,
+        repositoryName       = repositoryName,
+        isPrivate            = isPrivate,
+        description          = description,
+        defaultBranch        = "master",
+        registeredDate       = currentDate,
+        updatedDate          = currentDate,
+        lastActivityDate     = currentDate,
+        originUserName       = originUserName,
+        originRepositoryName = originRepositoryName,
+        parentUserName       = parentUserName,
+        parentRepositoryName = parentRepositoryName)
+
     IssueId insert (userName, repositoryName, 0)
   }
 
@@ -39,8 +47,10 @@ trait RepositoryService { self: AccountService =>
     Labels        .filter(_.byRepository(userName, repositoryName)).delete
     IssueComments .filter(_.byRepository(userName, repositoryName)).delete
     Issues        .filter(_.byRepository(userName, repositoryName)).delete
+    PullRequests  .filter(_.byRepository(userName, repositoryName)).delete
     IssueId       .filter(_.byRepository(userName, repositoryName)).delete
     Milestones    .filter(_.byRepository(userName, repositoryName)).delete
+    WebHooks      .filter(_.byRepository(userName, repositoryName)).delete
     Repositories  .filter(_.byRepository(userName, repositoryName)).delete
   }
 
@@ -53,39 +63,6 @@ trait RepositoryService { self: AccountService =>
   def getRepositoryNamesOfUser(userName: String): List[String] =
     Query(Repositories) filter(_.userName is userName.bind) map (_.repositoryName) list
 
-  /**
-   * Returns the list of specified user's repositories information.
-   *
-   * @param userName the user name
-   * @param baseUrl the base url of this application
-   * @param loginUserName the logged in user name
-   * @return the list of repository information which is sorted in descending order of lastActivityDate.
-   */
-  def getVisibleRepositories(userName: String, baseUrl: String, loginUserName: Option[String]): List[RepositoryInfo] = {
-    val q1 = Repositories
-      .filter { t => t.userName is userName.bind }
-      .map    { r => r }
-
-    val q2 = Collaborators
-      .innerJoin(Repositories).on((t1, t2) => t1.byRepository(t2.userName, t2.repositoryName))
-      .filter{ case (t1, t2) => t1.collaboratorName is userName.bind}
-      .map   { case (t1, t2) => t2 }
-
-    def visibleFor(t: Repositories.type, loginUserName: Option[String]) = {
-      loginUserName match {
-        case Some(x) => (t.isPrivate is false.bind) || (
-          (t.isPrivate is true.bind) && ((t.userName is x.bind) || (Collaborators.filter { c =>
-            c.byRepository(t.userName, t.repositoryName) && (c.collaboratorName is x.bind)
-          }.exists)))
-        case None    => (t.isPrivate is false.bind)
-      }
-    }
-
-    q1.union(q2).filter(visibleFor(_, loginUserName)).sortBy(_.lastActivityDate desc).list map { repository =>
-      new RepositoryInfo(JGitUtil.getRepositoryInfo(repository.userName, repository.repositoryName, baseUrl), repository)
-    }
-  }
-
   /**
    * Returns the specified repository information.
    * 
@@ -96,34 +73,69 @@ trait RepositoryService { self: AccountService =>
    */
   def getRepository(userName: String, repositoryName: String, baseUrl: String): Option[RepositoryInfo] = {
     (Query(Repositories) filter { t => t.byRepository(userName, repositoryName) } firstOption) map { repository =>
-      new RepositoryInfo(JGitUtil.getRepositoryInfo(repository.userName, repository.repositoryName, baseUrl), repository)
+      // for getting issue count and pull request count
+      val issues = Query(Issues).filter { t =>
+        t.byRepository(repository.userName, repository.repositoryName) && (t.closed is false.bind)
+      }.map(_.pullRequest).list
+
+      new RepositoryInfo(
+        JGitUtil.getRepositoryInfo(repository.userName, repository.repositoryName, baseUrl),
+        repository,
+        issues.size,
+        issues.filter(_ == true).size,
+        getForkedCount(
+          repository.originUserName.getOrElse(repository.userName),
+          repository.originRepositoryName.getOrElse(repository.repositoryName)
+        ))
+    }
+  }
+
+  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(
+        JGitUtil.getRepositoryInfo(repository.userName, repository.repositoryName, baseUrl),
+        repository,
+        getForkedCount(
+          repository.originUserName.getOrElse(repository.userName),
+          repository.originRepositoryName.getOrElse(repository.repositoryName)
+        ))
     }
   }
 
   /**
-   * Returns the list of accessible repositories information for the specified account user.
-   * 
-   * @param account the account
+   * Returns the list of visible repositories for the specified user.
+   * If repositoryUserName is given then filters results by repository owner.
+   *
+   * @param loginAccount the logged in account
    * @param baseUrl the base url of this application
-   * @return the repository informations which is sorted in descending order of lastActivityDate.
+   * @param repositoryUserName the repository owner (if None then returns all repositories which are visible for logged in user)
+   * @return the repository information which is sorted in descending order of lastActivityDate.
    */
-  def getAccessibleRepositories(account: Option[Account], baseUrl: String): List[RepositoryInfo] = {
-
-    def newRepositoryInfo(repository: Repository): RepositoryInfo = {
-      new RepositoryInfo(JGitUtil.getRepositoryInfo(repository.userName, repository.repositoryName, baseUrl), repository)
-    }
-
-    (account match {
+  def getVisibleRepositories(loginAccount: Option[Account], baseUrl: String, repositoryUserName: Option[String] = None): List[RepositoryInfo] = {
+    (loginAccount match {
       // for Administrators
       case Some(x) if(x.isAdmin) => Query(Repositories)
       // for Normal Users
       case Some(x) if(!x.isAdmin) =>
         Query(Repositories) filter { t => (t.isPrivate is false.bind) ||
-          (Query(Collaborators).filter(t2 => t2.byRepository(t.userName, t.repositoryName) && (t2.collaboratorName is x.userName.bind)) exists)
+          (Query(Collaborators).filter { t2 => t2.byRepository(t.userName, t.repositoryName) && (t2.collaboratorName is x.userName.bind)} exists)
         }
       // for Guests
       case None => Query(Repositories) filter(_.isPrivate is false.bind)
-    }).sortBy(_.lastActivityDate desc).list.map(newRepositoryInfo _)
+    }).filter { t =>
+      repositoryUserName.map { userName => t.userName is userName.bind } getOrElse ConstColumn.TRUE
+    }.sortBy(_.lastActivityDate desc).list.map{ repository =>
+      new RepositoryInfo(
+        JGitUtil.getRepositoryInfo(repository.userName, repository.repositoryName, baseUrl),
+        repository,
+        getForkedCount(
+          repository.originUserName.getOrElse(repository.userName),
+          repository.originRepositoryName.getOrElse(repository.repositoryName)
+        ))
+    }
   }
 
   /**
@@ -161,6 +173,15 @@ trait RepositoryService { self: AccountService =>
   def removeCollaborator(userName: String, repositoryName: String, collaboratorName: String): Unit =
     Collaborators.filter(_.byPrimaryKey(userName, repositoryName, collaboratorName)).delete
 
+  /**
+   * Remove all collaborators from the repository.
+   *
+   * @param userName the user name of the repository owner
+   * @param repositoryName the repository name
+   */
+  def removeCollaborators(userName: String, repositoryName: String): Unit =
+    Collaborators.filter(_.byRepository(userName, repositoryName)).delete
+
   /**
    * Returns the list of collaborators name which is sorted with ascending order.
    * 
@@ -180,17 +201,39 @@ trait RepositoryService { self: AccountService =>
     }
   }
 
+  private def getForkedCount(userName: String, repositoryName: String): Int =
+    Query(Repositories.filter { t =>
+      (t.originUserName is userName.bind) && (t.originRepositoryName is repositoryName.bind)
+    }.length).first
+
+
+  def getForkedRepositories(userName: String, repositoryName: String): List[String] =
+    Query(Repositories).filter { t =>
+      (t.originUserName is userName.bind) && (t.originRepositoryName is repositoryName.bind)
+    }
+    .sortBy(_.userName asc).map(_.userName).list
+
 }
 
 object RepositoryService {
 
   case class RepositoryInfo(owner: String, name: String, url: String, repository: Repository,
-    commitCount: Int, branchList: List[String], tags: List[util.JGitUtil.TagInfo]){
+    issueCount: Int, pullCount: Int, commitCount: Int, forkedCount: Int,
+    branchList: List[String], tags: List[util.JGitUtil.TagInfo]){
 
-    def this(repo: JGitUtil.RepositoryInfo, model: Repository) = {
-      this(repo.owner, repo.name, repo.url, model, repo.commitCount, repo.branchList, repo.tags)
-    }
+    /**
+     * Creates instance with issue count and pull request count.
+     */
+    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) =
+      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])
+
 }

src/main/scala/service/RequestCache.scala

@@ -1,6 +1,7 @@
 package service
 
 import model._
+import service.SystemSettingsService.SystemSettings
 
 /**
  * This service is used for a view helper mainly.
@@ -10,6 +11,11 @@ import model._
  */
 trait RequestCache {
 
+  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] = {
     context.cache(s"issue.${userName}/${repositoryName}#${issueId}"){
       new IssuesService {}.getIssue(userName, repositoryName, issueId)

src/main/scala/service/SystemSettingsService.scala

@@ -1,40 +1,152 @@
-package service
-
-import util.Directory._
-import SystemSettingsService._
-
-trait SystemSettingsService {
-
-  def saveSystemSettings(settings: SystemSettings): Unit = {
-    val props = new java.util.Properties()
-    props.setProperty(AllowAccountRegistration, settings.allowAccountRegistration.toString)
-    props.store(new java.io.FileOutputStream(GitBucketConf), null)
-  }
-
-
-  def loadSystemSettings(): SystemSettings = {
-    val props = new java.util.Properties()
-    if(GitBucketConf.exists){
-      props.load(new java.io.FileInputStream(GitBucketConf))
-    }
-    SystemSettings(getBoolean(props, "allow_account_registration"))
-  }
-
-}
-
-object SystemSettingsService {
-
-  case class SystemSettings(allowAccountRegistration: Boolean)
-
-  private val AllowAccountRegistration = "allow_account_registration"
-
-  private def getBoolean(props: java.util.Properties, key: String, default: Boolean = false): Boolean = {
-    val value = props.getProperty(key)
-    if(value == null || value.isEmpty){
-      default
-    } else {
-      value.toBoolean
-    }
-  }
-
-}
+package service
+
+import util.Directory._
+import util.ControlUtil._
+import SystemSettingsService._
+
+trait SystemSettingsService {
+
+  def saveSystemSettings(settings: SystemSettings): Unit = {
+    defining(new java.util.Properties()){ props =>
+      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)
+          props.setProperty(LdapMailAddressAttribute, ldap.mailAttribute)
+        }
+      }
+      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(
+        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, ""),
+            getValue(props, LdapMailAddressAttribute, "")))
+        } else {
+          None
+        }
+      )
+    }
+  }
+
+}
+
+object SystemSettingsService {
+  import scala.reflect.ClassTag
+
+  case class SystemSettings(
+    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,
+    mailAttribute: 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 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 LdapMailAddressAttribute = "ldap.mail_attribute"
+
+  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
+    }
+
+}

src/main/scala/service/WebHookService.scala

@@ -0,0 +1,143 @@
+package service
+
+import scala.slick.driver.H2Driver.simple._
+import Database.threadLocalSession
+
+import model._
+import org.slf4j.LoggerFactory
+import service.RepositoryService.RepositoryInfo
+import util.JGitUtil
+import org.eclipse.jgit.diff.DiffEntry
+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 {
+  import WebHookService._
+
+  private val logger = LoggerFactory.getLogger(classOf[WebHookService])
+
+  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): Unit =
+    WebHooks.insert(WebHook(owner, repository, url))
+
+  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._
+    import org.json4s.jackson.Serialization
+    import org.json4s.jackson.Serialization.{read, write}
+    import org.apache.http.client.methods.HttpPost
+    import org.apache.http.impl.client.HttpClientBuilder
+    import scala.concurrent._
+    import ExecutionContext.Implicits.global
+
+    logger.debug("start callWebHook")
+    implicit val formats = Serialization.formats(NoTypeHints)
+
+    if(webHookURLs.nonEmpty){
+      val json = write(payload)
+      val httpClient = HttpClientBuilder.create.build
+
+      webHookURLs.foreach { webHookUrl =>
+        val f = future {
+          logger.debug(s"start web hook invocation for ${webHookUrl}")
+          val httpPost = new HttpPost(webHookUrl.url)
+
+          val params: java.util.List[NameValuePair] = new java.util.ArrayList()
+          params.add(new BasicNameValuePair("payload", json))
+          httpPost.setEntity(new UrlEncodedFormEntity(params, "UTF-8"))
+
+          httpClient.execute(httpPost)
+          httpPost.releaseConnection()
+          logger.debug(s"end web hook invocation for ${webHookUrl}")
+        }
+        f.onSuccess {
+          case s => logger.debug(s"Success: web hook request to ${webHookUrl.url}")
+        }
+        f.onFailure {
+          case t => logger.error(s"Failed: web hook request to ${webHookUrl.url}", t)
+        }
+      }
+    }
+    logger.debug("end callWebHook")
+  }
+
+}
+
+object WebHookService {
+
+  case class WebHookPayload(
+    ref: String,
+    commits: List[WebHookCommit],
+    repository: WebHookRepository)
+
+  object WebHookPayload {
+    def apply(git: Git, refName: String, repositoryInfo: RepositoryInfo,
+              commits: List[CommitInfo], repositoryOwner: Account): WebHookPayload =
+      WebHookPayload(
+        refName,
+        commits.map { commit =>
+          val diffs = JGitUtil.getDiffs(git, commit.id, false)
+          val commitUrl = repositoryInfo.url.replaceFirst("/git/", "/").replaceFirst("\\.git$", "") + "/commit/" + commit.id
+
+          WebHookCommit(
+            id        = commit.id,
+            message   = commit.fullMessage,
+            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.committer,
+              email = commit.mailAddress
+            )
+          )
+        }.toList,
+        WebHookRepository(
+          name        = repositoryInfo.name,
+          url         = repositoryInfo.url,
+          description = repositoryInfo.repository.description.getOrElse(""),
+          watchers    = 0,
+          forks       = repositoryInfo.forkedCount,
+          `private`   = repositoryInfo.repository.isPrivate,
+          owner = WebHookUser(
+            name  = repositoryOwner.userName,
+            email = repositoryOwner.mailAddress
+          )
+        )
+      )
+  }
+
+  case class WebHookCommit(
+    id: String,
+    message: String,
+    timestamp: String,
+    url: String,
+    added: List[String],
+    removed: List[String],
+    modified: List[String],
+    author: WebHookUser)
+
+  case class WebHookRepository(
+    name: String,
+    url: String,
+    description: String,
+    watchers: Int,
+    forks: Int,
+    `private`: Boolean,
+    owner: WebHookUser)
+
+  case class WebHookUser(
+    name: String,
+    email: String)
+
+}

src/main/scala/service/WikiService.scala

@@ -4,11 +4,11 @@ import java.io.File
 import java.util.Date
 import org.eclipse.jgit.api.Git
 import org.apache.commons.io.FileUtils
-import util.JGitUtil.DiffInfo
-import util.{Directory, JGitUtil}
-import org.eclipse.jgit.lib.RepositoryBuilder
+import util.{StringUtil, Directory, JGitUtil, LockUtil}
+import util.ControlUtil._
 import org.eclipse.jgit.treewalk.CanonicalTreeParser
-import java.util.concurrent.ConcurrentHashMap
+import org.eclipse.jgit.diff.DiffFormatter
+import org.eclipse.jgit.api.errors.PatchApplyException
 
 object WikiService {
   
@@ -19,8 +19,9 @@ object WikiService {
    * @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)
+  case class WikiPageInfo(name: String, content: String, committer: String, time: Date, id: String)
   
   /**
    * The model for wiki page history.
@@ -32,65 +33,35 @@ object WikiService {
    */
   case class WikiPageHistoryInfo(name: String, committer: String, message: String, date: Date)
 
-  /**
-   * lock objects
-   */
-  private val locks = new ConcurrentHashMap[String, AnyRef]()
-
-  /**
-   * Returns the lock object for the specified repository.
-   */
-  private def getLockObject(owner: String, repository: String): AnyRef = synchronized {
-    val key = owner + "/" + repository
-    if(!locks.containsKey(key)){
-      locks.put(key, new AnyRef())
-    }
-    locks.get(key)
-  }
-
-  /**
-   * Synchronizes a given function which modifies the working copy of the wiki repository.
-   *
-   * @param owner the repository owner
-   * @param repository the repository name
-   * @param f the function which modifies the working copy of the wiki repository
-   * @tparam T the return type of the given function
-   * @return the result of the given function
-   */
-  def lock[T](owner: String, repository: String)(f: => T): T = getLockObject(owner, repository).synchronized(f)
-
 }
 
 trait WikiService {
   import WikiService._
 
-  def createWikiRepository(owner: model.Account, repository: String): Unit = {
-    lock(owner.userName, repository){
-      val dir = Directory.getWikiRepositoryDir(owner.userName, repository)
-      if(!dir.exists){
-        try {
-          JGitUtil.initRepository(dir)
-          saveWikiPage(owner.userName, repository, "Home", "Home", s"Welcome to the ${repository} wiki!!", owner, "Initial Commit")
-        } finally {
-          // once delete cloned repository because initial cloned repository does not have 'branch.master.merge'
-          FileUtils.deleteDirectory(Directory.getWikiWorkDir(owner.userName, repository))
+  def createWikiRepository(loginAccount: model.Account, owner: String, repository: String): Unit =
+    LockUtil.lock(s"${owner}/${repository}/wiki"){
+      defining(Directory.getWikiRepositoryDir(owner, repository)){ dir =>
+        if(!dir.exists){
+          try {
+            JGitUtil.initRepository(dir)
+            saveWikiPage(owner, repository, "Home", "Home", s"Welcome to the ${repository} wiki!!", loginAccount, "Initial Commit", None)
+          } finally {
+            // once delete cloned repository because initial cloned repository does not have 'branch.master.merge'
+            FileUtils.deleteDirectory(Directory.getWikiWorkDir(owner, repository))
+          }
         }
       }
     }
-  }
-  
+
   /**
    * Returns the wiki page.
    */
   def getWikiPage(owner: String, repository: String, pageName: String): Option[WikiPageInfo] = {
-    JGitUtil.withGit(Directory.getWikiRepositoryDir(owner, repository)){ git =>
-      try {
+    using(Git.open(Directory.getWikiRepositoryDir(owner, repository))){ git =>
+      optionIf(!JGitUtil.isEmpty(git)){
         JGitUtil.getFileList(git, "master", ".").find(_.name == pageName + ".md").map { file =>
-          WikiPageInfo(file.name, new String(git.getRepository.open(file.id).getBytes, "UTF-8"), file.committer, file.time)
+          WikiPageInfo(file.name, new String(git.getRepository.open(file.id).getBytes, "UTF-8"), file.committer, file.time, file.commitId)
         }
-      } catch {
-        // TODO no commit, but it should not judge by exception.
-        case e: NullPointerException => None
       }
     }
   }
@@ -98,9 +69,9 @@ trait WikiService {
   /**
    * Returns the content of the specified file.
    */
-  def getFileContent(owner: String, repository: String, path: String): Option[Array[Byte]] = {
-    JGitUtil.withGit(Directory.getWikiRepositoryDir(owner, repository)){ git =>
-      try {
+  def getFileContent(owner: String, repository: String, path: String): Option[Array[Byte]] =
+    using(Git.open(Directory.getWikiRepositoryDir(owner, repository))){ git =>
+      optionIf(!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)
@@ -108,57 +79,119 @@ trait WikiService {
         JGitUtil.getFileList(git, "master", parentPath).find(_.name == fileName).map { file =>
           git.getRepository.open(file.id).getBytes
         }
-      } catch {
-        // TODO no commit, but it should not judge by exception.
-        case e: NullPointerException => None
       }
     }
-  }
 
   /**
    * Returns the list of wiki page names.
    */
   def getWikiPageList(owner: String, repository: String): List[String] = {
-    JGitUtil.getFileList(Git.open(Directory.getWikiRepositoryDir(owner, repository)), "master", ".")
-      .filter(_.name.endsWith(".md"))
-      .map(_.name.replaceFirst("\\.md$", ""))
-      .sortBy(x => x)
+    using(Git.open(Directory.getWikiRepositoryDir(owner, repository))){ git =>
+      JGitUtil.getFileList(git, "master", ".")
+        .filter(_.name.endsWith(".md"))
+        .map(_.name.replaceFirst("\\.md$", ""))
+        .sortBy(x => x)
+    }
   }
-  
+
+  /**
+   * Reverts specified changes.
+   */
+  def revertWikiPage(owner: String, repository: String, from: String, to: String,
+                     committer: model.Account, pageName: Option[String]): Boolean = {
+    LockUtil.lock(s"${owner}/${repository}/wiki"){
+      defining(Directory.getWikiWorkDir(owner, repository)){ workDir =>
+        // clone working copy
+        cloneOrPullWorkingCopy(workDir, owner, repository)
+
+        using(Git.open(workDir)){ 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}"))
+
+          import scala.collection.JavaConverters._
+          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")
+          }
+
+          try {
+            git.apply.setPatch(new java.io.ByteArrayInputStream(patch.getBytes("UTF-8"))).call
+            git.add.addFilepattern(".").call
+            git.commit.setCommitter(committer.fullName, committer.mailAddress).setMessage(pageName match {
+              case Some(x) => s"Revert ${from} ... ${to} on ${x}"
+              case None    => s"Revert ${from} ... ${to}"
+            }).call
+            git.push.call
+            true
+          } catch {
+            case ex: PatchApplyException => false
+          }
+        }
+      }
+    }
+  }
+
+
   /**
    * Save the wiki page.
    */
   def saveWikiPage(owner: String, repository: String, currentPageName: String, newPageName: String,
-      content: String, committer: model.Account, message: String): Unit = {
+      content: String, committer: model.Account, message: String, currentId: Option[String]): Option[String] = {
 
-    lock(owner, repository){
-      // clone working copy
-      val workDir = Directory.getWikiWorkDir(owner, repository)
-      cloneOrPullWorkingCopy(workDir, owner, repository)
+    LockUtil.lock(s"${owner}/${repository}/wiki"){
+      defining(Directory.getWikiWorkDir(owner, repository)){ workDir =>
+        // clone working copy
+        cloneOrPullWorkingCopy(workDir, owner, repository)
 
-      // write as file
-      JGitUtil.withGit(workDir){ git =>
-        val file = new File(workDir, newPageName + ".md")
-        val added = if(!file.exists || FileUtils.readFileToString(file, "UTF-8") != content){
-          FileUtils.writeStringToFile(file, content, "UTF-8")
-          git.add.addFilepattern(file.getName).call
-          true
-        } else {
-          false
-        }
+        // write as file
+        using(Git.open(workDir)){ git =>
+          defining(new File(workDir, newPageName + ".md")){ file =>
+            // new page
+            val created = !file.exists
 
-        // delete file
-        val deleted = if(currentPageName != "" && currentPageName != newPageName){
-          git.rm.addFilepattern(currentPageName + ".md").call
-          true
-        } else {
-          false
-        }
+            // created or updated
+            val added = executeIf(!file.exists || FileUtils.readFileToString(file, "UTF-8") != content){
+              FileUtils.writeStringToFile(file, content, "UTF-8")
+              git.add.addFilepattern(file.getName).call
+            }
 
-        // commit and push
-        if(added || deleted){
-          git.commit.setCommitter(committer.userName, committer.mailAddress).setMessage(message).call
-          git.push.call
+            // delete file
+            val deleted = executeIf(currentPageName != "" && currentPageName != newPageName){
+              git.rm.addFilepattern(currentPageName + ".md").call
+            }
+
+            // commit and push
+            optionIf(added || deleted){
+              defining(git.commit.setCommitter(committer.fullName, committer.mailAddress)
+                .setMessage(if(message.trim.length == 0){
+                    if(deleted){
+                      s"Rename ${currentPageName} to ${newPageName}"
+                    } else if(created){
+                      s"Created ${newPageName}"
+                    } else {
+                      s"Updated ${newPageName}"
+                    }
+                  } else {
+                    message
+                  }).call){ commit =>
+                git.push.call
+                Some(commit.getName)
+              }
+            }
+          }
         }
       }
     }
@@ -167,56 +200,38 @@ trait WikiService {
   /**
    * Delete the wiki page.
    */
-  def deleteWikiPage(owner: String, repository: String, pageName: String, committer: String, message: String): Unit = {
-    lock(owner, repository){
-      // clone working copy
-      val workDir = Directory.getWikiWorkDir(owner, repository)
-      cloneOrPullWorkingCopy(workDir, owner, repository)
+  def deleteWikiPage(owner: String, repository: String, pageName: String,
+                     committer: String, mailAddress: String, message: String): Unit = {
+    LockUtil.lock(s"${owner}/${repository}/wiki"){
+      defining(Directory.getWikiWorkDir(owner, repository)){ workDir =>
+        // clone working copy
+        cloneOrPullWorkingCopy(workDir, owner, repository)
 
-      // delete file
-      new File(workDir, pageName + ".md").delete
-    
-      JGitUtil.withGit(workDir){ git =>
-        git.rm.addFilepattern(pageName + ".md").call
-    
-        // commit and push
-        // TODO committer's mail address
-        git.commit.setAuthor(committer, committer + "@devnull").setMessage(message).call
-        git.push.call
+        // delete file
+        new File(workDir, pageName + ".md").delete
+
+        using(Git.open(workDir)){ git =>
+          git.rm.addFilepattern(pageName + ".md").call
+
+          // commit and push
+          git.commit.setCommitter(committer, mailAddress).setMessage(message).call
+          git.push.call
+        }
       }
     }
   }
 
-  /**
-   * Returns differences between specified commits.
-   */
-  def getWikiDiffs(git: Git, commitId1: String, commitId2: String): List[DiffInfo] = {
-      // get diff between specified commit and its previous commit
-      val reader = git.getRepository.newObjectReader
-      
-      val oldTreeIter = new CanonicalTreeParser
-      oldTreeIter.reset(reader, git.getRepository.resolve(commitId1 + "^{tree}"))
-      
-      val newTreeIter = new CanonicalTreeParser
-      newTreeIter.reset(reader, git.getRepository.resolve(commitId2 + "^{tree}"))
-      
-      import scala.collection.JavaConverters._
-      git.diff.setNewTree(newTreeIter).setOldTree(oldTreeIter).call.asScala.map { diff =>
-        DiffInfo(diff.getChangeType, diff.getOldPath, diff.getNewPath,
-            JGitUtil.getContent(git, diff.getOldId.toObjectId, false).map(new String(_, "UTF-8")), 
-            JGitUtil.getContent(git, diff.getNewId.toObjectId, false).map(new String(_, "UTF-8")))
-      }.toList
-  }
-
   private def cloneOrPullWorkingCopy(workDir: File, owner: String, repository: String): Unit = {
     if(!workDir.exists){
       Git.cloneRepository
         .setURI(Directory.getWikiRepositoryDir(owner, repository).toURI.toString)
         .setDirectory(workDir)
         .call
-    } else {
-      Git.open(workDir).pull.call
+        .getRepository
+        .close
+    } else using(Git.open(workDir)){ git =>
+      git.pull.call
     }
   }
 
-}
+}

src/main/scala/servlet/AutoUpdateListener.scala

@@ -1,12 +1,14 @@
 package servlet
 
 import java.io.File
-import java.sql.Connection
+import java.sql.{DriverManager, Connection}
 import org.apache.commons.io.FileUtils
-import javax.servlet.ServletContextEvent
+import javax.servlet.{ServletContext, ServletContextListener, ServletContextEvent}
 import org.apache.commons.io.IOUtils
 import org.slf4j.LoggerFactory
-import util.Directory
+import util.Directory._
+import util.ControlUtil._
+import org.eclipse.jgit.api.Git
 
 object AutoUpdate {
   
@@ -26,15 +28,14 @@ object AutoUpdate {
      */
     def update(conn: Connection): Unit = {
       val sqlPath = s"update/${majorVersion}_${minorVersion}.sql"
-      val in = Thread.currentThread.getContextClassLoader.getResourceAsStream(sqlPath)
-      if(in != null){
-        val sql = IOUtils.toString(in, "UTF-8")
-        val stmt = conn.createStatement()
-        try {
-          logger.debug(sqlPath + "=" + sql)
-          stmt.executeUpdate(sql)
-        } finally {
-          stmt.close()
+
+      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)
+          }
         }
       }
     }
@@ -49,26 +50,32 @@ object AutoUpdate {
    * The history of versions. A head of this sequence is the current BitBucket version.
    */
   val versions = Seq(
+    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
-        val rs = conn.createStatement.executeQuery("SELECT USER_NAME, REPOSITORY_NAME FROM REPOSITORY")
-        while(rs.next){
-          val wikidir = Directory.getWikiRepositoryDir(rs.getString("USER_NAME"), rs.getString("REPOSITORY_NAME"))
-          val repository = org.eclipse.jgit.api.Git.open(wikidir).getRepository
-          val config = repository.getConfig
-          if(!config.getBoolean("http", "receivepack", false)){
-            config.setBoolean("http", null, "receivepack", true)
-            config.save
+        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
+                }
+              }
+            }
           }
-          repository.close
         }
       }
     },
     Version(1, 2),
     Version(1, 1),
-    Version(1, 0)
+    Version(1, 0),
+    Version(0, 0)
   )
   
   /**
@@ -79,7 +86,7 @@ object AutoUpdate {
   /**
    * The version file (GITBUCKET_HOME/version).
    */
-  val versionFile = new File(Directory.GitBucketHome, "version")
+  val versionFile = new File(GitBucketHome, "version")
   
   /**
    * Returns the current version from the version file.
@@ -103,35 +110,50 @@ object AutoUpdate {
 }
 
 /**
- * Start H2 database and update schema automatically.
+ * Update database schema automatically in the context initializing.
  */
-class AutoUpdateListener extends org.h2.server.web.DbStarter {
+class AutoUpdateListener extends ServletContextListener {
   import AutoUpdate._
   private val logger = LoggerFactory.getLogger(classOf[AutoUpdateListener])
   
   override def contextInitialized(event: ServletContextEvent): Unit = {
-    super.contextInitialized(event)
-    logger.debug("H2 started")
-    
+    org.h2.Driver.load()
+    event.getServletContext.setInitParameter("db.url", s"jdbc:h2:${DatabaseHome}")
+
     logger.debug("Start schema update")
-    val conn = getConnection()
-    try {
-      val currentVersion = getCurrentVersion()
-      if(currentVersion == headVersion){
-        logger.debug("No update")
-      } else {
-        versions.takeWhile(_ != currentVersion).reverse.foreach(_.update(conn))
-        FileUtils.writeStringToFile(versionFile, headVersion.versionString, "UTF-8")
-        conn.commit()
-        logger.debug("Updated from " + currentVersion.versionString + " to " + headVersion.versionString)
-      }
-    } catch {
-      case ex: Throwable => {
-        logger.error("Failed to schema update", ex)
-        conn.rollback()
+    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"))
+
+}

src/main/scala/servlet/BasicAuthenticationFilter.scala

@@ -2,14 +2,16 @@ package servlet
 
 import javax.servlet._
 import javax.servlet.http._
-import util.StringUtil._
-import service.{AccountService, RepositoryService}
+import service.{SystemSettingsService, AccountService, RepositoryService}
 import org.slf4j.LoggerFactory
+import util.Implicits._
+import util.ControlUtil._
+import util.Keys
 
 /**
  * Provides BASIC Authentication for [[servlet.GitRepositoryServlet]].
  */
-class BasicAuthenticationFilter extends Filter with RepositoryService with AccountService {
+class BasicAuthenticationFilter extends Filter with RepositoryService with AccountService with SystemSettingsService {
 
   private val logger = LoggerFactory.getLogger(classOf[BasicAuthenticationFilter])
 
@@ -26,28 +28,30 @@ class BasicAuthenticationFilter extends Filter with RepositoryService with Accou
     }
 
     try {
-      val paths = request.getRequestURI.substring(request.getContextPath.length).split("/")
-      val repositoryOwner = paths(2)
-      val repositoryName  = paths(3).replaceFirst("\\.git$", "")
-
-      getRepository(repositoryOwner, repositoryName.replaceFirst("\\.wiki", ""), "") match {
-        case Some(repository) => {
-          if(!request.getRequestURI.endsWith("/git-receive-pack") && !repository.repository.isPrivate){
-            chain.doFilter(req, wrappedResponse)
-          } else {
-            request.getHeader("Authorization") match {
-              case null => requireAuth(response)
-              case auth => decodeAuthHeader(auth).split(":") match {
-                case Array(username, password) if(isWritableUser(username, password, repository)) => {
-                  request.setAttribute("USER_NAME", username)
-                  chain.doFilter(req, wrappedResponse)
+      defining(request.paths){ case Array(_, repositoryOwner, repositoryName, _*) =>
+        getRepository(repositoryOwner, repositoryName.replaceFirst("\\.wiki\\.git$|\\.git$", ""), "") match {
+          case Some(repository) => {
+            if(!request.getRequestURI.endsWith("/git-receive-pack") &&
+              !"service=git-receive-pack".equals(request.getQueryString) && !repository.repository.isPrivate){
+              chain.doFilter(req, wrappedResponse)
+            } else {
+              request.getHeader("Authorization") match {
+                case null => requireAuth(response)
+                case auth => decodeAuthHeader(auth).split(":") match {
+                  case Array(username, password) if(isWritableUser(username, password, repository)) => {
+                    request.setAttribute(Keys.Request.UserName, username)
+                    chain.doFilter(req, wrappedResponse)
+                  }
+                  case _ => requireAuth(response)
                 }
-                case _ => requireAuth(response)
               }
             }
           }
+          case None => {
+            logger.debug(s"Repository ${repositoryOwner}/${repositoryName} is not found.")
+            response.sendError(HttpServletResponse.SC_NOT_FOUND)
+          }
         }
-        case None => response.sendError(HttpServletResponse.SC_NOT_FOUND)
       }
     } catch {
       case ex: Exception => {
@@ -57,12 +61,12 @@ class BasicAuthenticationFilter extends Filter with RepositoryService with Accou
     }
   }
 
-  private def isWritableUser(username: String, password: String, repository: RepositoryService.RepositoryInfo): Boolean = {
-    getAccountByUserName(username).map { account =>
-      account.password == sha1(password) && hasWritePermission(repository.owner, repository.name, Some(account))
-    } getOrElse false
-  }
-  
+  private def isWritableUser(username: String, password: String, repository: RepositoryService.RepositoryInfo): Boolean =
+    authenticate(loadSystemSettings(), username, password) match {
+      case Some(account) => hasWritePermission(repository.owner, repository.name, Some(account))
+      case None => false
+    }
+
   private def requireAuth(response: HttpServletResponse): Unit = {
     response.setHeader("WWW-Authenticate", "BASIC realm=\"GitBucket\"")
     response.sendError(HttpServletResponse.SC_UNAUTHORIZED)

src/main/scala/servlet/GitRepositoryServlet.scala

@@ -9,8 +9,13 @@ import org.slf4j.LoggerFactory
 import javax.servlet.ServletConfig
 import javax.servlet.ServletContext
 import javax.servlet.http.HttpServletRequest
-import util.{JGitUtil, Directory}
+import util.{Keys, JGitUtil, Directory}
+import util.ControlUtil._
+import util.Implicits._
 import service._
+import WebHookService._
+import org.eclipse.jgit.api.Git
+import util.JGitUtil.CommitInfo
 
 /**
  * Provides Git repository via HTTP.
@@ -24,7 +29,7 @@ class GitRepositoryServlet extends GitServlet {
   
   override def init(config: ServletConfig): Unit = {
     setReceivePackFactory(new GitBucketReceivePackFactory())
-    
+
     // TODO are there any other ways...?
     super.init(new ServletConfig(){
       def getInitParameter(name: String): String = name match {
@@ -33,12 +38,14 @@ class GitRepositoryServlet extends GitServlet {
         case name => config.getInitParameter(name)
       }
       def getInitParameterNames(): java.util.Enumeration[String] = {
-        config.getInitParameterNames
+         config.getInitParameterNames
       }
-      
+
       def getServletContext(): ServletContext = config.getServletContext
       def getServletName(): String = config.getServletName
     });
+
+    super.init(config)
   }
   
 }
@@ -49,68 +56,102 @@ class GitBucketReceivePackFactory extends ReceivePackFactory[HttpServletRequest]
   
   override def create(request: HttpServletRequest, db: Repository): ReceivePack = {
     val receivePack = new ReceivePack(db)
-    val userName = request.getAttribute("USER_NAME").asInstanceOf[String]
+    val userName = request.getAttribute(Keys.Request.UserName).asInstanceOf[String]
 
     logger.debug("requestURI: " + request.getRequestURI)
     logger.debug("userName:" + userName)
 
-    val paths = request.getRequestURI.substring(request.getContextPath.length).split("/")
-    val owner      = paths(2)
-    val repository = paths(3).replaceFirst("\\.git$", "")
-    
-    logger.debug("repository:" + owner + "/" + repository)
+    defining(request.paths){ paths =>
+      val owner      = paths(1)
+      val repository = paths(2).replaceFirst("\\.git$", "")
+      val baseURL    = request.getRequestURL.toString.replaceFirst("/git/.*", "")
 
-    receivePack.setPostReceiveHook(new CommitLogHook(owner, repository, userName))
-    receivePack
+      logger.debug("repository:" + owner + "/" + repository)
+      logger.debug("baseURL:" + baseURL)
+
+      receivePack.setPostReceiveHook(new CommitLogHook(owner, repository, userName, baseURL))
+      receivePack
+    }
   }
 }
 
 import scala.collection.JavaConverters._
 
-class CommitLogHook(owner: String, repository: String, userName: String) extends PostReceiveHook
-  with RepositoryService with AccountService with IssuesService with ActivityService {
+class CommitLogHook(owner: String, repository: String, userName: String, baseURL: String) extends PostReceiveHook
+  with RepositoryService with AccountService with IssuesService with ActivityService with WebHookService {
   
   private val logger = LoggerFactory.getLogger(classOf[CommitLogHook])
   
   def onPostReceive(receivePack: ReceivePack, commands: java.util.Collection[ReceiveCommand]): Unit = {
-    JGitUtil.withGit(Directory.getRepositoryDir(owner, repository)) { git =>
+    using(Git.open(Directory.getRepositoryDir(owner, repository))) { git =>
       commands.asScala.foreach { command =>
         val commits = JGitUtil.getCommitLog(git, command.getOldId.name, command.getNewId.name)
         val refName = command.getRefName.split("/")
-        
-        // apply issue comment
-        val newCommits = commits.flatMap { commit =>
-          if(!existsCommitId(owner, repository, commit.id)){
-            insertCommitId(owner, repository, commit.id)
-            "(^|\\W)#(\\d+)(\\W|$)".r.findAllIn(commit.fullMessage).matchData.foreach { matchData =>
-              val issueId = matchData.group(2)
-              if(getAccountByUserName(commit.committer).isDefined && getIssue(owner, repository, issueId).isDefined){
-                createComment(owner, repository, commit.committer, issueId.toInt, commit.fullMessage, "commit")
-              }
+        val branchName = refName.drop(2).mkString("/")
+
+        // Extract new commit and apply issue comment
+        val newCommits = if(commits.size > 1000){
+          val existIds = getAllCommitIds(owner, repository)
+          commits.flatMap { commit =>
+            optionIf(!existIds.contains(commit.id)){
+              createIssueComment(commit)
+              Some(commit)
             }
-            Some(commit)
-          } else None
-        }.toList
-        
+          }
+        } else {
+          commits.flatMap { commit =>
+            optionIf(!existsCommitId(owner, repository, commit.id)){
+              createIssueComment(commit)
+              Some(commit)
+            }
+          }
+        }
+
+        // batch insert all new commit id
+        insertAllCommitIds(owner, repository, newCommits.map(_.id))
+
         // record activity
         if(refName(1) == "heads"){
           command.getType match {
             case ReceiveCommand.Type.CREATE => {
-              recordCreateBranchActivity(owner, repository, userName, refName(2))
-              recordPushActivity(owner, repository, userName, refName(2), newCommits)
+              recordCreateBranchActivity(owner, repository, userName, branchName)
+              recordPushActivity(owner, repository, userName, branchName, newCommits)
             }
-            case ReceiveCommand.Type.UPDATE => recordPushActivity(owner, repository, userName, refName(2), newCommits)
+            case ReceiveCommand.Type.UPDATE => recordPushActivity(owner, repository, userName, branchName, newCommits)
             case _ =>
           }
         } else if(refName(1) == "tags"){
           command.getType match {
-            case ReceiveCommand.Type.CREATE => recordCreateTagActivity(owner, repository, userName, refName(2), newCommits)
+            case ReceiveCommand.Type.CREATE => recordCreateTagActivity(owner, repository, userName, branchName, newCommits)
             case _ =>
           }
         }
+
+        // call web hook
+        val webHookURLs = getWebHookURLs(owner, repository)
+        if(webHookURLs.nonEmpty){
+          val payload = WebHookPayload(
+            git,
+            command.getRefName,
+            getRepository(owner, repository, baseURL).get,
+            newCommits,
+            getAccountByUserName(owner).get)
+
+          callWebHook(owner, repository, webHookURLs, payload)
+        }
       }
     }
     // update repository last modified time.
     updateLastActivityDate(owner, repository)
   }
+
+  private def createIssueComment(commit: CommitInfo) = {
+    "(^|\\W)#(\\d+)(\\W|$)".r.findAllIn(commit.fullMessage).matchData.foreach { matchData =>
+      val issueId = matchData.group(2)
+      if(getAccountByUserName(commit.committer).isDefined && getIssue(owner, repository, issueId).isDefined){
+        createComment(owner, repository, commit.committer, issueId.toInt, commit.fullMessage, "commit")
+      }
+    }
+  }
+
 }

src/main/scala/servlet/SessionCleanupListener.scala

@@ -1,17 +1,15 @@
 package servlet
 
-import util.FileUploadUtil
 import javax.servlet.http.{HttpSessionEvent, HttpSessionListener}
+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 = {
-    FileUploadUtil.removeTemporaryFiles()(se.getSession)
-  }
+  def sessionDestroyed(se: HttpSessionEvent): Unit = removeTemporaryFiles()(se.getSession)
 
 }

src/main/scala/servlet/TransactionFilter.scala

@@ -3,7 +3,6 @@ package servlet
 import javax.servlet._
 import org.slf4j.LoggerFactory
 import javax.servlet.http.HttpServletRequest
-import scala.slick.session.Database
 
 /**
  * Controls the transaction with the open session in view pattern.
@@ -21,15 +20,19 @@ class TransactionFilter extends Filter {
       // assets don't need transaction
       chain.doFilter(req, res)
     } else {
-      val context = req.getServletContext
-      Database.forURL(context.getInitParameter("db.url"),
-          context.getInitParameter("db.user"),
-          context.getInitParameter("db.password")) withTransaction {
-        logger.debug("TODO begin transaction")
+      Database(req.getServletContext) withTransaction {
+        logger.debug("begin transaction")
         chain.doFilter(req, res)
-        logger.debug("TODO end transaction")
+        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"))
+}

src/main/scala/util/Authenticator.scala

@@ -3,6 +3,8 @@ package util
 import app.ControllerBase
 import service._
 import RepositoryService.RepositoryInfo
+import util.Implicits._
+import util.ControlUtil._
 
 /**
  * Allows only oneself and administrators.
@@ -13,11 +15,12 @@ trait OneselfAuthenticator { self: ControllerBase =>
 
   private def authenticate(action: => Any) = {
     {
-      val paths = request.getRequestURI.substring(request.getContextPath.length).split("/")
-      context.loginAccount match {
-        case Some(x) if(x.isAdmin) => action
-        case Some(x) if(paths(1) == x.userName) => action
-        case _ => Unauthorized()
+      defining(request.paths){ paths =>
+        context.loginAccount match {
+          case Some(x) if(x.isAdmin) => action
+          case Some(x) if(paths(0) == x.userName) => action
+          case _ => Unauthorized()
+        }
       }
     }
   }
@@ -32,14 +35,15 @@ trait OwnerAuthenticator { self: ControllerBase with RepositoryService =>
 
   private def authenticate(action: (RepositoryInfo) => Any) = {
     {
-      val paths = request.getRequestURI.substring(request.getContextPath.length).split("/")
-      getRepository(paths(1), paths(2), baseUrl).map { repository =>
-        context.loginAccount match {
-          case Some(x) if(x.isAdmin) => action(repository)
-          case Some(x) if(repository.owner == x.userName) => action(repository)
-          case _ => Unauthorized()
-        }
-      } getOrElse NotFound()
+      defining(request.paths){ paths =>
+        getRepository(paths(0), paths(1), baseUrl).map { repository =>
+          context.loginAccount match {
+            case Some(x) if(x.isAdmin) => action(repository)
+            case Some(x) if(repository.owner == x.userName) => action(repository)
+            case _ => Unauthorized()
+          }
+        } getOrElse NotFound()
+      }
     }
   }
 }
@@ -87,15 +91,16 @@ trait CollaboratorsAuthenticator { self: ControllerBase with RepositoryService =
 
   private def authenticate(action: (RepositoryInfo) => Any) = {
     {
-      val paths = request.getRequestURI.substring(request.getContextPath.length).split("/")
-      getRepository(paths(1), paths(2), baseUrl).map { repository =>
-        context.loginAccount match {
-          case Some(x) if(x.isAdmin) => action(repository)
-          case Some(x) if(paths(1) == x.userName) => action(repository)
-          case Some(x) if(getCollaborators(paths(1), paths(2)).contains(x.userName)) => action(repository)
-          case _ => Unauthorized()
-        }
-      } getOrElse NotFound()
+      defining(request.paths){ paths =>
+        getRepository(paths(0), paths(1), baseUrl).map { repository =>
+          context.loginAccount match {
+            case Some(x) if(x.isAdmin) => action(repository)
+            case Some(x) if(paths(0) == x.userName) => action(repository)
+            case Some(x) if(getCollaborators(paths(0), paths(1)).contains(x.userName)) => action(repository)
+            case _ => Unauthorized()
+          }
+        } getOrElse NotFound()
+      }
     }
   }
 }
@@ -109,19 +114,20 @@ trait ReferrerAuthenticator { self: ControllerBase with RepositoryService =>
 
   private def authenticate(action: (RepositoryInfo) => Any) = {
     {
-      val paths = request.getRequestURI.substring(request.getContextPath.length).split("/")
-      getRepository(paths(1), paths(2), baseUrl).map { repository =>
-        if(!repository.repository.isPrivate){
-          action(repository)
-        } else {
-          context.loginAccount match {
-            case Some(x) if(x.isAdmin) => action(repository)
-            case Some(x) if(paths(1) == x.userName) => action(repository)
-            case Some(x) if(getCollaborators(paths(1), paths(2)).contains(x.userName)) => action(repository)
-            case _ => Unauthorized()
+      defining(request.paths){ paths =>
+        getRepository(paths(0), paths(1), baseUrl).map { repository =>
+          if(!repository.repository.isPrivate){
+            action(repository)
+          } else {
+            context.loginAccount match {
+              case Some(x) if(x.isAdmin) => action(repository)
+              case Some(x) if(paths(0) == x.userName) => action(repository)
+              case Some(x) if(getCollaborators(paths(0), paths(1)).contains(x.userName)) => action(repository)
+              case _ => Unauthorized()
+            }
           }
-        }
-      } getOrElse NotFound()
+        } getOrElse NotFound()
+      }
     }
   }
 }
@@ -135,16 +141,17 @@ trait ReadableUsersAuthenticator { self: ControllerBase with RepositoryService =
 
   private def authenticate(action: (RepositoryInfo) => Any) = {
     {
-      val paths = request.getRequestURI.substring(request.getContextPath.length).split("/")
-      getRepository(paths(1), paths(2), baseUrl).map { repository =>
-        context.loginAccount match {
-          case Some(x) if(x.isAdmin) => action(repository)
-          case Some(x) if(!repository.repository.isPrivate) => action(repository)
-          case Some(x) if(paths(1) == x.userName) => action(repository)
-          case Some(x) if(getCollaborators(paths(1), paths(2)).contains(x.userName)) => action(repository)
-          case _ => Unauthorized()
-        }
-      } getOrElse NotFound()
+      defining(request.paths){ paths =>
+        getRepository(paths(0), paths(1), baseUrl).map { repository =>
+          context.loginAccount match {
+            case Some(x) if(x.isAdmin) => action(repository)
+            case Some(x) if(!repository.repository.isPrivate) => action(repository)
+            case Some(x) if(paths(0) == x.userName) => action(repository)
+            case Some(x) if(getCollaborators(paths(0), paths(1)).contains(x.userName)) => action(repository)
+            case _ => Unauthorized()
+          }
+        } getOrElse NotFound()
+      }
     }
   }
 }

src/main/scala/util/ControlUtil.scala

@@ -0,0 +1,48 @@
+package util
+
+import org.eclipse.jgit.api.Git
+import org.eclipse.jgit.revwalk.RevWalk
+import org.eclipse.jgit.treewalk.TreeWalk
+
+/**
+ * Provides control facilities.
+ */
+object ControlUtil {
+
+  def defining[A, B](value: A)(f: A => B): B = f(value)
+
+  def using[A <% { def close(): Unit }, B](resource: A)(f: A => B): B =
+    try f(resource) finally {
+      if(resource != null){
+        try {
+          resource.close()
+        } catch {
+          case e: Throwable => // ignore
+        }
+      }
+    }
+
+  def using[T](git: Git)(f: Git => T): T =
+    try f(git) finally git.getRepository.close
+
+  def using[T](git1: Git, git2: Git)(f: (Git, Git) => T): T =
+    try f(git1, git2) finally {
+      git1.getRepository.close
+      git2.getRepository.close
+    }
+
+  def using[T](revWalk: RevWalk)(f: RevWalk => T): T =
+    try f(revWalk) finally revWalk.release()
+
+  def using[T](treeWalk: TreeWalk)(f: TreeWalk => T): T =
+    try f(treeWalk) finally treeWalk.release()
+
+  def executeIf(condition: => Boolean)(action: => Unit): Boolean =
+    if(condition){
+      action
+      true
+    } else false
+
+  def optionIf[T](condition: => Boolean)(action: => Option[T]): Option[T] =
+    if(condition) action else None
+}

src/main/scala/util/Directory.scala

@@ -1,34 +1,38 @@
 package util
 
 import java.io.File
-import org.eclipse.jgit.api.Git
-import org.eclipse.jgit.lib.Ref
+import util.ControlUtil._
 
 /**
  * Provides directories used by GitBucket.
  */
 object Directory {
 
-  val GitBucketHome = new File(System.getProperty("user.home"), "gitbucket").getAbsolutePath
+  val GitBucketHome = (scala.util.Properties.envOrNone("GITBUCKET_HOME") match {
+    case Some(env) => new File(env)
+    case None => new File(System.getProperty("user.home"), "gitbucket")
+  }).getAbsolutePath
 
   val GitBucketConf = new File(GitBucketHome, "gitbucket.conf")
   
   val RepositoryHome = s"${GitBucketHome}/repositories"
+
+  val DatabaseHome = s"${GitBucketHome}/data"
   
   /**
    * Repository names of the specified user.
    */
-  def getRepositories(owner: String): List[String] = {
-    val dir = new File(s"${RepositoryHome}/${owner}")
-    if(dir.exists){
-      dir.listFiles.filter { file =>
-        file.isDirectory && !file.getName.endsWith(".wiki.git") 
-      }.map(_.getName.replaceFirst("\\.git$", "")).toList
-    } else {
-      Nil
+  def getRepositories(owner: String): List[String] =
+    defining(new File(s"${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.
    */

src/main/scala/util/FileUploadUtil.scala

@@ -1,33 +0,0 @@
-package util
-
-import java.text.SimpleDateFormat
-import javax.servlet.http.HttpSession
-import util.Directory._
-import org.apache.commons.io.FileUtils
-
-object FileUploadUtil {
-
-  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] = {
-    val filename = Option(session.getAttribute("upload_" + fileId).asInstanceOf[String])
-    if(filename.isDefined){
-      session.removeAttribute("upload_" + fileId)
-    }
-    filename
-  }
-
-}

src/main/scala/util/FileUtil.scala

@@ -1,22 +1,31 @@
 package util
 
-import org.apache.commons.io.{IOUtils, FileUtils, FilenameUtils}
+import org.apache.commons.io.{IOUtils, FileUtils}
 import java.net.URLConnection
 import java.io.File
 import org.apache.commons.compress.archivers.zip.{ZipArchiveEntry, ZipArchiveOutputStream}
+import util.ControlUtil._
 
 object FileUtil {
   
-  def getMimeType(name: String): String = {
-    val fileNameMap = URLConnection.getFileNameMap()
-    val mimeType = fileNameMap.getContentTypeFor(name)
-    if(mimeType == null){
-      "application/octeat-stream"
-    } else {
-      mimeType
+  def getMimeType(name: String): String =
+    defining(URLConnection.getFileNameMap()){ fileNameMap =>
+      fileNameMap.getContentTypeFor(name) match {
+        case null     => "application/octet-stream"
+        case mimeType => mimeType
+      }
+    }
+
+  def getContentType(name: String, bytes: Array[Byte]): String = {
+    defining(getMimeType(name)){ mimeType =>
+      if(mimeType == "application/octet-stream" && isText(bytes)){
+        "text/plain"
+      } else {
+        mimeType
+      }
     }
   }
-  
+
   def isImage(name: String): Boolean = getMimeType(name).startsWith("image/")
   
   def isLarge(size: Long): Boolean = (size > 1024 * 1000)
@@ -36,21 +45,29 @@ object FileUtil {
       }
     }
 
-    val out = new ZipArchiveOutputStream(dest)
-    try {
+    using(new ZipArchiveOutputStream(dest)){ out =>
       addDirectoryToZip(out, dir, dir.getName)
-    } finally {
-      IOUtils.closeQuietly(out)
     }
   }
 
-  def getExtension(name: String): String = {
-    val index = name.lastIndexOf('.')
-    if(index >= 0){
-      name.substring(index + 1)
-    } else {
-      ""
-    }
+  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 {
+      case i if(i >= 0) => name.substring(i + 1)
+      case _ => ""
+    }
+
+  def withTmpDir[A](dir: File)(action: File => A): A = {
+    if(dir.exists()){
+      FileUtils.deleteDirectory(dir)
+    }
+    try{
+      action(dir)
+    }finally{
+      FileUtils.deleteDirectory(dir)
+    }
+  }
+}

src/main/scala/util/Implicits.scala

@@ -1,7 +1,7 @@
 package util
 
-import scala.slick.driver.H2Driver.simple._
 import scala.util.matching.Regex
+import javax.servlet.http.{HttpSession, HttpServletRequest}
 
 /**
  * Provides some usable implicit conversions.
@@ -13,7 +13,7 @@ object Implicits {
     def splitWith(condition: (A, A) => Boolean): Seq[Seq[A]] = split(seq)(condition)
 
     @scala.annotation.tailrec
-    private def split[A](list: Seq[A], result: Seq[Seq[A]] = Nil)(condition: (A, A) => Boolean): Seq[Seq[A]] = {
+    private def split[A](list: Seq[A], result: Seq[Seq[A]] = Nil)(condition: (A, A) => Boolean): Seq[Seq[A]] =
       list match {
         case x :: xs => {
           xs.span(condition(x, _)) match {
@@ -22,12 +22,6 @@ object Implicits {
         }
         case Nil => result
       }
-    }
-  }
-
-  // TODO Should this implicit conversion move to model.Functions?
-  implicit class RichColumn(c1: Column[Boolean]){
-    def &&(c2: => Column[Boolean], guard: => Boolean): Column[Boolean] = if(guard) c1 && c2 else c1
   }
 
   implicit class RichString(value: String){
@@ -47,6 +41,38 @@ object Implicits {
       }
       sb.toString
     }
+
+    def toIntOpt: Option[Int] = try {
+      Option(Integer.parseInt(value))
+    } catch {
+      case e: NumberFormatException => None
+    }
   }
 
-}
+  implicit class RichRequest(request: HttpServletRequest){
+
+    def paths: Array[String] = request.getRequestURI.substring(request.getContextPath.length + 1).split("/")
+
+    def hasQueryString: Boolean = request.getQueryString != null
+
+    def hasAttribute(name: String): Boolean = request.getAttribute(name) != null
+
+  }
+
+  implicit class RichSession(session: HttpSession){
+
+    def putAndGet[T](key: String, value: T): T = {
+      session.setAttribute(key, value)
+      value
+    }
+
+    def getAndRemove[T](key: String): Option[T] = {
+      val value = session.getAttribute(key).asInstanceOf[T]
+      if(value == null){
+        session.removeAttribute(key)
+      }
+      Option(value)
+    }
+  }
+
+}

src/main/scala/util/JGitUtil.scala

@@ -2,19 +2,19 @@ package util
 
 import org.eclipse.jgit.api.Git
 import util.Directory._
+import util.StringUtil._
+import util.ControlUtil._
 import scala.collection.JavaConverters._
-import javax.servlet.ServletContext
 import org.eclipse.jgit.lib._
 import org.eclipse.jgit.revwalk._
 import org.eclipse.jgit.revwalk.filter._
 import org.eclipse.jgit.treewalk._
 import org.eclipse.jgit.treewalk.filter._
-import org.eclipse.jgit.diff._
 import org.eclipse.jgit.diff.DiffEntry.ChangeType
-import org.eclipse.jgit.util.io.DisabledOutputStream
 import org.eclipse.jgit.errors.MissingObjectException
 import java.util.Date
 import org.eclipse.jgit.api.errors.NoHeadException
+import service.RepositoryService
 
 /**
  * Provides complex JGit operations.
@@ -71,29 +71,17 @@ object JGitUtil {
         rev.getFullMessage,
         rev.getParents().map(_.name).toList)
 
-    val summary = {
-      val i = fullMessage.trim.indexOf("\n")
-      val firstLine = if(i >= 0){
-        fullMessage.trim.substring(0, i).trim
-      } else {
-        fullMessage
-      }
-      if(firstLine.length > shortMessage.length){
-        shortMessage
-      } else {
-        firstLine
+    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 = {
-      val i = fullMessage.trim.indexOf("\n")
-      if(i >= 0){
+    val description = defining(fullMessage.trim.indexOf("\n")){ i =>
+      optionIf(i >= 0){
         Some(fullMessage.trim.substring(i).trim)
-      } else {
-        None
       }
     }
-
   }
 
   case class DiffInfo(changeType: ChangeType, oldPath: String, newPath: String, oldContent: Option[String], newContent: Option[String])
@@ -116,33 +104,18 @@ object JGitUtil {
   case class TagInfo(name: String, time: Date, id: String)
 
   /**
-   * Use this method to use the Git object.
-   * Repository resources are released certainly after processing.
-   */
-  def withGit[T](dir: java.io.File)(f: Git => T): T = withGit(Git.open(dir))(f)
-  
-  /**
-   * Use this method to use the Git object.
-   * Repository resources are released certainly after processing.
-   */
-  def withGit[T](git: Git)(f: Git => T): T = {
-    try {
-      f(git)
-    } finally {
-      git.getRepository.close
-    }
-  }
-  
-  /**
-   * Returns RevCommit from the commit id.
+   * Returns RevCommit from the commit or tag id.
    * 
    * @param git the Git object
-   * @param commitId the ObjectId of the commit
-   * @return the RevCommit for the specified commit
+   * @param objectId the ObjectId of the commit or tag
+   * @return the RevCommit for the specified commit or tag
    */
-  def getRevCommitFromId(git: Git, commitId: ObjectId): RevCommit = {
+  def getRevCommitFromId(git: Git, objectId: ObjectId): RevCommit = {
     val revWalk = new RevWalk(git.getRepository)
-    val revCommit = revWalk.parseCommit(commitId)
+    val revCommit = revWalk.parseAny(objectId) match {
+      case r: RevTag => revWalk.parseCommit(r.getObject)
+      case _         => revWalk.parseCommit(objectId)
+    }
     revWalk.dispose
     revCommit
   }
@@ -151,15 +124,10 @@ object JGitUtil {
    * Returns the repository information. It contains branch names and tag names.
    */
   def getRepositoryInfo(owner: String, repository: String, baseUrl: String): RepositoryInfo = {
-    withGit(getRepositoryDir(owner, repository)){ git =>
+    using(Git.open(getRepositoryDir(owner, repository))){ git =>
       try {
         // get commit count
-        val i = git.log.all.call.iterator
-        var commitCount = 0
-        while(i.hasNext && commitCount <= 1000){
-          i.next
-          commitCount = commitCount + 1
-        }
+        val commitCount = git.log.all.call.iterator.asScala.map(_ => 1).take(1000).sum
 
         RepositoryInfo(
           owner, repository, s"${baseUrl}/git/${owner}/${repository}.git",
@@ -193,45 +161,43 @@ object JGitUtil {
    * @return HTML of the file list
    */
   def getFileList(git: Git, revision: String, path: String = "."): List[FileInfo] = {
-    val revWalk = new RevWalk(git.getRepository)
-    val objectId = git.getRepository.resolve(revision)
-    val revCommit = revWalk.parseCommit(objectId)
-      
-    val treeWalk = new TreeWalk(git.getRepository)
-    treeWalk.addTree(revCommit.getTree)
-    if(path != "."){
-      treeWalk.setRecursive(true)
-      treeWalk.setFilter(new TreeFilter(){
-
-        var stopRecursive = false
-
-        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
-          }
-        }
-
-        def shouldBeRecursive(): Boolean = !stopRecursive
-
-        override def clone: TreeFilter = return this
-      })
-    }
-      
     val list = new scala.collection.mutable.ListBuffer[(ObjectId, FileMode, String, String)]
-    
-    while (treeWalk.next()) {
-      list.append((treeWalk.getObjectId(0), treeWalk.getFileMode(0), treeWalk.getPathString, treeWalk.getNameString))
+
+    using(new RevWalk(git.getRepository)){ revWalk =>
+      val objectId  = git.getRepository.resolve(revision)
+      val revCommit = revWalk.parseCommit(objectId)
+
+      using(new TreeWalk(git.getRepository)){ treeWalk =>
+        treeWalk.addTree(revCommit.getTree)
+        if(path != "."){
+          treeWalk.setRecursive(true)
+          treeWalk.setFilter(new TreeFilter(){
+
+            var stopRecursive = false
+
+            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
+              }
+            }
+
+            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))
+        }
+      }
     }
-    
-    treeWalk.release
-    revWalk.dispose
 
     val commits = getLatestCommitFromPaths(git, list.toList.map(_._3), revision)
     list.map { case (objectId, fileMode, path, name) =>
@@ -261,7 +227,7 @@ object JGitUtil {
    * @param page the page number (1-)
    * @param limit the number of commit info per page. 0 (default) means unlimited.
    * @param path filters by this path. default is no filter.
-   * @return a tuple of the commit list and whether has next
+   * @return a tuple of the commit list and whether has next, or the error message
    */
   def getCommitLog(git: Git, revision: String, page: Int = 1, limit: Int = 0, path: String = ""): Either[String, (List[CommitInfo], Boolean)] = {
     val fixedPage = if(page <= 0) 1 else page
@@ -276,27 +242,48 @@ object JGitUtil {
         case _ => (logs, i.hasNext)
       }
     
-    val revWalk = new RevWalk(git.getRepository)
-    val objectId = git.getRepository.resolve(revision)
-    if(objectId == null){
-      Left(s"${revision} can't be resolved.")
-    } else {
-      revWalk.markStart(revWalk.parseCommit(objectId))
-      if(path.nonEmpty){
-        revWalk.setRevFilter(new RevFilter(){
-          def include(walk: RevWalk, commit: RevCommit): Boolean = {
-            getDiffs(git, commit.getName, false).find(_.newPath == path).nonEmpty
+    using(new RevWalk(git.getRepository)){ revWalk =>
+      defining(git.getRepository.resolve(revision)){ objectId =>
+        if(objectId == null){
+          Left(s"${revision} can't be resolved.")
+        } else {
+          revWalk.markStart(revWalk.parseCommit(objectId))
+          if(path.nonEmpty){
+            revWalk.setRevFilter(new RevFilter(){
+              def include(walk: RevWalk, commit: RevCommit): Boolean = {
+                getDiffs(git, commit.getName, false)._1.find(_.newPath == path).nonEmpty
+              }
+              override def clone(): RevFilter = this
+            })
           }
-          override def clone(): RevFilter = this
-        })
+          Right(getCommitLog(revWalk.iterator, 0, Nil))
+        }
       }
-
-      val commits = getCommitLog(revWalk.iterator, 0, Nil)
-      revWalk.release
-
-      Right(commits)
     }
   }
+
+  def getCommitLogs(git: Git, begin: String, includesLastCommit: Boolean = false)
+                   (endCondition: RevCommit => Boolean): List[CommitInfo] = {
+    @scala.annotation.tailrec
+    def getCommitLog(i: java.util.Iterator[RevCommit], logs: List[CommitInfo]): List[CommitInfo] =
+      i.hasNext match {
+        case true  => {
+          val revCommit = i.next
+          if(endCondition(revCommit)){
+            if(includesLastCommit) logs :+ new CommitInfo(revCommit) else logs
+          } else {
+            getCommitLog(i, logs :+ new CommitInfo(revCommit))
+          }
+        }
+        case false => logs
+      }
+
+    using(new RevWalk(git.getRepository)){ revWalk =>
+      revWalk.markStart(revWalk.parseCommit(git.getRepository.resolve(begin)))
+      getCommitLog(revWalk.iterator, Nil).reverse
+    }
+  }
+
   
   /**
    * Returns the commit list between two revisions.
@@ -306,30 +293,9 @@ object JGitUtil {
    * @param to the to revision
    * @return the commit list
    */
-  def getCommitLog(git: Git, from: String, to: String): List[CommitInfo] = {
-    @scala.annotation.tailrec
-    def getCommitLog(i: java.util.Iterator[RevCommit], logs: List[CommitInfo]): List[CommitInfo] =
-      i.hasNext match {
-        case true  => {
-          val revCommit = i.next
-          if(revCommit.name == from){
-            logs 
-          } else {
-            getCommitLog(i, logs :+ new CommitInfo(revCommit))
-          }
-        }
-        case false => logs
-      }
-    
-    val revWalk = new RevWalk(git.getRepository)
-    revWalk.markStart(revWalk.parseCommit(git.getRepository.resolve(to)))
-    
-    val commits = getCommitLog(revWalk.iterator, Nil)
-    revWalk.release
-    
-    commits.reverse
-  }
-  
+  // TODO swap parameters 'from' and 'to'!?
+  def getCommitLog(git: Git, from: String, to: String): List[CommitInfo] =
+    getCommitLogs(git, to)(_.getName == from)
   
   /**
    * Returns the latest RevCommit of the specified path.
@@ -351,51 +317,11 @@ object JGitUtil {
    * @return the list of latest commit
    */
   def getLatestCommitFromPaths(git: Git, paths: List[String], revision: String): Map[String, RevCommit] = {
-
-    val map = new scala.collection.mutable.HashMap[String, RevCommit]
-
-    val revWalk = new RevWalk(git.getRepository)
-    revWalk.markStart(revWalk.parseCommit(git.getRepository.resolve(revision)))
-    //revWalk.sort(RevSort.REVERSE);
-    val i = revWalk.iterator
-
-    while(i.hasNext && map.size != paths.length){
-      val commit = i.next
-      if(commit.getParentCount == 0){
-        // Initial commit
-        val treeWalk = new TreeWalk(git.getRepository)
-        treeWalk.reset()
-        treeWalk.setRecursive(true)
-        treeWalk.addTree(commit.getTree)
-        while (treeWalk.next) {
-          paths.foreach { path =>
-            if(treeWalk.getPathString.startsWith(path) && !map.contains(path)){
-              map.put(path, commit)
-            }
-          }
-        }
-        treeWalk.release
-      } else {
-        (0 to commit.getParentCount - 1).foreach { i =>
-          val parent = revWalk.parseCommit(commit.getParent(i).getId())
-          val df = new DiffFormatter(DisabledOutputStream.INSTANCE)
-          df.setRepository(git.getRepository)
-          df.setDiffComparator(RawTextComparator.DEFAULT)
-          df.setDetectRenames(true)
-          val diffs = df.scan(parent.getTree(), commit.getTree)
-          diffs.asScala.foreach { diff =>
-            paths.foreach { path =>
-              if(diff.getChangeType != ChangeType.DELETE && diff.getNewPath.startsWith(path) && !map.contains(path)){
-                map.put(path, commit)
-              }
-            }
-          }
-        }
-      }
-
-      revWalk.release
-    }
-    map.toMap
+    val start = getRevCommitFromId(git, git.getRepository.resolve(revision))
+    paths.map { path =>
+      val commit = git.log.add(start).addPath(path).setMaxCount(1).call.iterator.next
+      (path, commit)
+    }.toMap
   }
 
   /**
@@ -411,126 +337,131 @@ object JGitUtil {
     if(large == false && FileUtil.isLarge(loader.getSize)){
       None
     } else {
-      val db = git.getRepository.getObjectDatabase
-      try {
+      using(git.getRepository.getObjectDatabase){ db =>
         Some(db.open(id).getBytes)
-      } finally {
-        db.close
       }
     }
   } catch {
     case e: MissingObjectException => None
   }
-  
-  def getDiffs(git: Git, id: String, fetchContent: Boolean = true): List[DiffInfo] = {
+
+  /**
+   * Returns the tuple of diff of the given commit and the previous commit id.
+   */
+  def getDiffs(git: Git, id: String, fetchContent: Boolean = true): (List[DiffInfo], Option[String]) = {
     @scala.annotation.tailrec
     def getCommitLog(i: java.util.Iterator[RevCommit], logs: List[RevCommit]): List[RevCommit] =
       i.hasNext match {
         case true if(logs.size < 2) => getCommitLog(i, logs :+ i.next)
         case _ => logs
       }
-    
-    val revWalk = new RevWalk(git.getRepository)
-    revWalk.markStart(revWalk.parseCommit(git.getRepository.resolve(id)))
-    
-    val commits = getCommitLog(revWalk.iterator, Nil)
-    revWalk.release
-    
-    val revCommit = commits(0)
-    
-    if(commits.length >= 2){
-      // not initial commit
-      val oldCommit = commits(1)
-      
-      // get diff between specified commit and its previous commit
-      val reader = git.getRepository.newObjectReader
-      
-      val oldTreeIter = new CanonicalTreeParser
-      oldTreeIter.reset(reader, git.getRepository.resolve(oldCommit.name + "^{tree}"))
-      
-      val newTreeIter = new CanonicalTreeParser
-      newTreeIter.reset(reader, git.getRepository.resolve(id + "^{tree}"))
-      
-      import scala.collection.JavaConverters._
-      git.diff.setNewTree(newTreeIter).setOldTree(oldTreeIter).call.asScala.map { diff =>
-        if(!fetchContent || FileUtil.isImage(diff.getOldPath) || FileUtil.isImage(diff.getNewPath)){
-          DiffInfo(diff.getChangeType, diff.getOldPath, diff.getNewPath, None, None)
-        } else {
-          DiffInfo(diff.getChangeType, diff.getOldPath, diff.getNewPath,
-            JGitUtil.getContent(git, diff.getOldId.toObjectId, false).filter(FileUtil.isText).map(new String(_, "UTF-8")),
-            JGitUtil.getContent(git, diff.getNewId.toObjectId, false).filter(FileUtil.isText).map(new String(_, "UTF-8")))
+
+    using(new RevWalk(git.getRepository)){ revWalk =>
+      revWalk.markStart(revWalk.parseCommit(git.getRepository.resolve(id)))
+      val commits   = getCommitLog(revWalk.iterator, Nil)
+      val revCommit = commits(0)
+
+      if(commits.length >= 2){
+        // not initial commit
+        val oldCommit = commits(1)
+        (getDiffs(git, oldCommit.getName, id, fetchContent), Some(oldCommit.getName))
+
+      } else {
+        // initial commit
+        using(new TreeWalk(git.getRepository)){ treeWalk =>
+          treeWalk.addTree(revCommit.getTree)
+          val buffer = new scala.collection.mutable.ListBuffer[DiffInfo]()
+          while(treeWalk.next){
+            buffer.append((if(!fetchContent){
+              DiffInfo(ChangeType.ADD, null, treeWalk.getPathString, None, None)
+            } else {
+              DiffInfo(ChangeType.ADD, null, treeWalk.getPathString, None,
+                JGitUtil.getContent(git, treeWalk.getObjectId(0), false).filter(FileUtil.isText).map(convertFromByteArray))
+            }))
+          }
+          (buffer.toList, None)
         }
-      }.toList
-    } else {
-      // initial commit
-      val walk = new TreeWalk(git.getRepository)
-      walk.addTree(revCommit.getTree)
-      val buffer = new scala.collection.mutable.ListBuffer[DiffInfo]()
-      while(walk.next){
-        buffer.append((if(!fetchContent){
-          DiffInfo(ChangeType.ADD, null, walk.getPathString, None, None)
-        } else {
-          DiffInfo(ChangeType.ADD, null, walk.getPathString, None, 
-              JGitUtil.getContent(git, walk.getObjectId(0), false).filter(FileUtil.isText).map(new String(_, "UTF-8")))
-        }))
       }
-      walk.release
-      buffer.toList
     }
   }
 
+  def getDiffs(git: Git, from: String, to: String, fetchContent: Boolean): List[DiffInfo] = {
+    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}"))
+
+    import scala.collection.JavaConverters._
+    git.diff.setNewTree(newTreeIter).setOldTree(oldTreeIter).call.asScala.map { diff =>
+      if(!fetchContent || FileUtil.isImage(diff.getOldPath) || FileUtil.isImage(diff.getNewPath)){
+        DiffInfo(diff.getChangeType, diff.getOldPath, diff.getNewPath, None, None)
+      } else {
+        DiffInfo(diff.getChangeType, diff.getOldPath, diff.getNewPath,
+          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
+  }
+
+
   /**
    * Returns the list of branch names of the specified commit.
    */
-  def getBranchesOfCommit(git: Git, commitId: String): List[String] = {
-    val walk = new org.eclipse.jgit.revwalk.RevWalk(git.getRepository)
-    try {
-      val commit = walk.parseCommit(git.getRepository.resolve(commitId + "^0"))
-
-      git.getRepository.getAllRefs.entrySet.asScala.filter { e =>
-        (e.getKey.startsWith(Constants.R_HEADS) && walk.isMergedInto(commit, walk.parseCommit(e.getValue.getObjectId)))
-      }.map { e =>
-        e.getValue.getName.substring(org.eclipse.jgit.lib.Constants.R_HEADS.length)
-      }.toList.sorted
-
-    } finally {
-      walk.release
+  def getBranchesOfCommit(git: Git, commitId: String): List[String] =
+    using(new RevWalk(git.getRepository)){ revWalk =>
+      defining(revWalk.parseCommit(git.getRepository.resolve(commitId + "^0"))){ commit =>
+        git.getRepository.getAllRefs.entrySet.asScala.filter { e =>
+          (e.getKey.startsWith(Constants.R_HEADS) && revWalk.isMergedInto(commit, revWalk.parseCommit(e.getValue.getObjectId)))
+        }.map { e =>
+          e.getValue.getName.substring(org.eclipse.jgit.lib.Constants.R_HEADS.length)
+        }.toList.sorted
+      }
     }
-  }
 
   /**
    * Returns the list of tags of the specified commit.
    */
-  def getTagsOfCommit(git: Git, commitId: String): List[String] = {
-    val walk = new org.eclipse.jgit.revwalk.RevWalk(git.getRepository)
-    try {
-      val commit = walk.parseCommit(git.getRepository.resolve(commitId + "^0"))
-
-      git.getRepository.getAllRefs.entrySet.asScala.filter { e =>
-        (e.getKey.startsWith(Constants.R_TAGS) && walk.isMergedInto(commit, walk.parseCommit(e.getValue.getObjectId)))
-      }.map { e =>
-        e.getValue.getName.substring(org.eclipse.jgit.lib.Constants.R_TAGS.length)
-      }.toList.sorted.reverse
-
-    } finally {
-      walk.release
+  def getTagsOfCommit(git: Git, commitId: String): List[String] =
+    using(new RevWalk(git.getRepository)){ revWalk =>
+      defining(revWalk.parseCommit(git.getRepository.resolve(commitId + "^0"))){ commit =>
+        git.getRepository.getAllRefs.entrySet.asScala.filter { e =>
+          (e.getKey.startsWith(Constants.R_TAGS) && revWalk.isMergedInto(commit, revWalk.parseCommit(e.getValue.getObjectId)))
+        }.map { e =>
+          e.getValue.getName.substring(org.eclipse.jgit.lib.Constants.R_TAGS.length)
+        }.toList.sorted.reverse
+      }
     }
-  }
 
-  def initRepository(dir: java.io.File): Unit = {
-    val repository = new RepositoryBuilder().setGitDir(dir).setBare.build
-    try {
+  def initRepository(dir: java.io.File): Unit =
+    using(new RepositoryBuilder().setGitDir(dir).setBare.build){ repository =>
       repository.create
       setReceivePack(repository)
-    } finally {
-      repository.close
     }
+
+  def cloneRepository(from: java.io.File, to: java.io.File): Unit =
+    using(Git.cloneRepository.setURI(from.toURI.toString).setDirectory(to).setBare(true).call){ git =>
+      setReceivePack(git.getRepository)
+    }
+
+  def isEmpty(git: Git): Boolean = git.getRepository.resolve(Constants.HEAD) == null
+
+  private def setReceivePack(repository: org.eclipse.jgit.lib.Repository): Unit =
+    defining(repository.getConfig){ config =>
+      config.setBoolean("http", null, "receivepack", true)
+      config.save
+    }
+
+  def getDefaultBranch(git: Git, repository: RepositoryService.RepositoryInfo,
+                       revstr: String = ""): Option[(ObjectId, String)] = {
+    Seq(
+      Some(if(revstr.isEmpty) repository.repository.defaultBranch else revstr),
+      repository.branchList.headOption
+    ).flatMap {
+      case Some(rev) => Some((git.getRepository.resolve(rev), rev))
+      case None      => None
+    }.find(_._1 != null)
   }
 
-  private def setReceivePack(repository: org.eclipse.jgit.lib.Repository): Unit = {
-    val config = repository.getConfig
-    config.setBoolean("http", null, "receivepack", true)
-    config.save
-  }
-
-}
+}

src/main/scala/util/Keys.scala

@@ -0,0 +1,72 @@
+package util
+
+/**
+ * Define key strings for request attributes, session attributes or flash attributes.
+ */
+object Keys {
+
+  /**
+   * Define session keys.
+   */
+  object Session {
+
+    /**
+     * Session key for the logged in account information.
+     */
+    val LoginAccount = "LOGIN_ACCOUNT"
+
+    /**
+     * Session key for the redirect URL.
+     */
+    val Redirect = "REDIRECT"
+
+    /**
+     * Session key for the issue search condition in dashboard.
+     */
+    val DashboardIssues = "dashboard/issues"
+
+    /**
+     * Session key for the pull request search condition in dashboard.
+     */
+    val DashboardPulls = "dashboard/pulls"
+
+    /**
+     * Generate session key for the issue search condition.
+     */
+    def Issues(owner: String, name: String) = s"${owner}/${name}/issues"
+
+    /**
+     * Generate session key for the pull request search condition.
+     */
+    def Pulls(owner: String, name: String) = s"${owner}/${name}/pulls"
+
+    /**
+     * Generate session key for the upload filename.
+     */
+    def Upload(fileId: String) = s"upload_${fileId}"
+
+  }
+
+  /**
+   * Define request keys.
+   */
+  object Request {
+
+    /**
+     * Request key for the Ajax request flag.
+     */
+    val Ajax = "AJAX"
+
+    /**
+     * Request key for the username which is used during Git repository access.
+     */
+    val UserName = "USER_NAME"
+
+    /**
+     * Generate request key for the request cache.
+     */
+    def Cache(key: String) = s"cache.${key}"
+
+  }
+
+}

src/main/scala/util/LDAPUtil.scala

@@ -0,0 +1,104 @@
+package util
+
+import util.ControlUtil._
+import service.SystemSettingsService
+import com.novell.ldap._
+import service.SystemSettingsService.Ldap
+import scala.annotation.tailrec
+
+/**
+ * Utility for LDAP authentication.
+ */
+object LDAPUtil {
+
+  private val LDAP_VERSION: Int = 3
+
+  /**
+   * Try authentication by LDAP using given configuration.
+   * Returns Right(mailAddress) if authentication is successful, otherwise  Left(errorMessage).
+   */
+  def authenticate(ldapSettings: Ldap, userName: String, password: String): Either[String, String] = {
+    bind(
+      ldapSettings.host,
+      ldapSettings.port.getOrElse(SystemSettingsService.DefaultLdapPort),
+      ldapSettings.bindDN.getOrElse(""),
+      ldapSettings.bindPassword.getOrElse("")
+    ) match {
+      case Some(conn) => {
+        withConnection(conn) { conn =>
+          findUser(conn, userName, ldapSettings.baseDN, ldapSettings.userNameAttribute) match {
+            case Some(userDN) => userAuthentication(ldapSettings, userDN, password)
+            case None => Left("User does not exist.")
+          }
+        }
+      }
+      case None => Left("System LDAP authentication failed.")
+    }
+  }
+
+  private def userAuthentication(ldapSettings: Ldap, userDN: String, password: String): Either[String, String] = {
+    bind(
+      ldapSettings.host,
+      ldapSettings.port.getOrElse(SystemSettingsService.DefaultLdapPort),
+      userDN,
+      password
+    ) match {
+      case Some(conn) => {
+        withConnection(conn) { conn =>
+          findMailAddress(conn, userDN, ldapSettings.mailAttribute) match {
+            case Some(mailAddress) => Right(mailAddress)
+            case None => Left("Can't find mail address.")
+          }
+        }
+      }
+      case None => Left("User LDAP Authentication Failed.")
+    }
+  }
+
+  private def bind(host: String, port: Int, dn: String, password: String): Option[LDAPConnection] = {
+    val conn: LDAPConnection = new LDAPConnection
+    try {
+      conn.connect(host, port)
+      conn.bind(LDAP_VERSION, dn, password.getBytes)
+      Some(conn)
+    } catch {
+      case e: Exception => {
+        if (conn.isConnected) conn.disconnect()
+        None
+      }
+    }
+  }
+
+  private def withConnection[T](conn: LDAPConnection)(f: LDAPConnection => T): T = {
+    try {
+      f(conn)
+    } finally {
+      conn.disconnect()
+    }
+  }
+
+  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){
+        getEntries(results, entries :+ (try {
+          Option(results.next)
+        } catch {
+          case ex: LDAPReferralException => None // NOTE(tanacasino): Referral follow is off. so ignores it.(for AD)
+        }))
+      } else {
+        entries.flatten
+      }
+    }
+    getEntries(conn.search(baseDN, LDAPConnection.SCOPE_SUB, userNameAttribute + "=" + userName, null, false)).collectFirst {
+      case x => x.getDN
+    }
+  }
+
+  private def findMailAddress(conn: LDAPConnection, userDN: String, mailAttribute: String): Option[String] =
+    defining(conn.search(userDN, LDAPConnection.SCOPE_BASE, null, Array[String](mailAttribute), false)){ results =>
+      optionIf (results.hasMore) {
+        Option(results.next.getAttribute(mailAttribute)).map(_.getStringValue)
+      }
+    }
+}

src/main/scala/util/LockUtil.scala

@@ -0,0 +1,36 @@
+package util
+
+import java.util.concurrent.ConcurrentHashMap
+import java.util.concurrent.locks.{ReentrantLock, Lock}
+import util.ControlUtil._
+
+object LockUtil {
+
+  /**
+   * lock objects
+   */
+  private val locks = new ConcurrentHashMap[String, Lock]()
+
+  /**
+   * Returns the lock object for the specified repository.
+   */
+  private def getLockObject(key: String): Lock = synchronized {
+    if(!locks.containsKey(key)){
+      locks.put(key, new ReentrantLock())
+    }
+    locks.get(key)
+  }
+
+  /**
+   * Synchronizes a given function which modifies the working copy of the wiki repository.
+   */
+  def lock[T](key: String)(f: => T): T = defining(getLockObject(key)){ lock =>
+    try {
+      lock.lock()
+      f
+    } finally {
+      lock.unlock()
+    }
+  }
+
+}

src/main/scala/util/Notifier.scala

@@ -0,0 +1,111 @@
+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
+
+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 {
+      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.setHtmlMsg(msg(view.Markdown.toHtml(content, r, false, true)))
+
+      // TODO Can we use the Database Session in other than Transaction Filter?
+      database withSession {
+        getIssue(r.owner, r.name, issueId.toString) foreach { issue =>
+          email.setSubject(s"[${r.name}] ${issue.title} (#${issueId})")
+          recipients(issue) {
+            email.getToAddresses.clear
+            email.addTo(_).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 = {}
+}

src/main/scala/util/StringUtil.scala

@@ -1,14 +1,16 @@
 package util
 
 import java.net.{URLDecoder, URLEncoder}
+import org.mozilla.universalchardet.UniversalDetector
+import util.ControlUtil._
 
 object StringUtil {
 
-  def sha1(value: String): String = {
-    val md = java.security.MessageDigest.getInstance("SHA-1")
-    md.update(value.getBytes)
-    md.digest.map(b => "%02x".format(b)).mkString
-  }
+  def sha1(value: String): String =
+    defining(java.security.MessageDigest.getInstance("SHA-1")){ md =>
+      md.update(value.getBytes)
+      md.digest.map(b => "%02x".format(b)).mkString
+    }
 
   def md5(value: String): String = {
     val md = java.security.MessageDigest.getInstance("MD5")
@@ -20,4 +22,20 @@ object StringUtil {
 
   def urlDecode(value: String): String = URLDecoder.decode(value, "UTF-8")
 
+  def splitWords(value: String): Array[String] = value.split("[ \\t　]+")
+
+  def escapeHtml(value: String): String =
+    value.replace("&", "&amp;").replace("<", "&lt;").replace(">", "&gt;").replace("\"", "&quot;")
+
+  def convertFromByteArray(content: Array[Byte]): String = new String(content, detectEncoding(content))
+
+  def detectEncoding(content: Array[Byte]): String =
+    defining(new UniversalDetector(null)){ detector =>
+      detector.handleData(content, 0, content.length)
+      detector.dataEnd()
+      detector.getDetectedCharset match {
+        case null => "UTF-8"
+        case e    => e
+      }
+    }
 }

src/main/scala/util/Validations.scala

@@ -1,7 +1,6 @@
 package util
 
 import jp.sf.amateras.scalatra.forms._
-import scala.Some
 
 trait Validations {
 
@@ -9,7 +8,7 @@ trait Validations {
    * Constraint for the identifier such as user name, repository name or page name.
    */
   def identifier: Constraint = new Constraint(){
-    def validate(name: String, value: String): Option[String] =
+    override def validate(name: String, value: String): Option[String] =
       if(!value.matches("^[a-zA-Z0-9\\-_]+$")){
         Some(s"${name} contains invalid character.")
       } else if(value.startsWith("_") || value.startsWith("-")){
@@ -26,10 +25,7 @@ trait Validations {
    */
   def date(constraints: Constraint*): SingleValueType[java.util.Date] =
     new SingleValueType[java.util.Date]((pattern("\\d{4}-\\d{2}-\\d{2}") +: constraints): _*){
-      def convert(value: String): java.util.Date = {
-        val formatter = new java.text.SimpleDateFormat("yyyy-MM-dd")
-        formatter.parse(value)
-      }
+      def convert(value: String): java.util.Date = new java.text.SimpleDateFormat("yyyy-MM-dd").parse(value)
     }
 
 }

src/main/scala/view/AvatarImageProvider.scala

@@ -12,17 +12,23 @@ trait AvatarImageProvider { self: RequestCache =>
    */
   protected def getAvatarImageHtml(userName: String, size: Int,
       mailAddress: String = "", tooltip: Boolean = false)(implicit context: app.Context): Html = {
-    val src = getAccountByUserName(userName).collect { case account if(account.image.isEmpty) =>
-      s"""http://www.gravatar.com/avatar/${StringUtil.md5(account.mailAddress)}?s=${size}"""
+
+    val src = getAccountByUserName(userName).map { account =>
+      if(account.image.isEmpty && getSystemSettings().gravatar){
+        s"""http://www.gravatar.com/avatar/${StringUtil.md5(account.mailAddress)}?s=${size}"""
+      } else {
+        s"""${context.path}/${userName}/_avatar"""
+      }
     } getOrElse {
-      if(mailAddress.nonEmpty){
+      if(mailAddress.nonEmpty && getSystemSettings().gravatar){
         s"""http://www.gravatar.com/avatar/${StringUtil.md5(mailAddress)}?s=${size}"""
       } else {
         s"""${context.path}/${userName}/_avatar"""
       }
     }
+
     if(tooltip){
-      Html(s"""<img src="${src}" class="avatar" 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="avatar" style="width: ${size}px; height: ${size}px;" />""")
     }

src/main/scala/view/Markdown.scala

@@ -1,12 +1,14 @@
 package view
 
 import util.StringUtil
+import util.ControlUtil._
+import util.Directory._
 import org.parboiled.common.StringUtils
 import org.pegdown._
 import org.pegdown.ast._
 import org.pegdown.LinkRenderer.Rendering
 import scala.collection.JavaConverters._
-import service.RequestCache
+import service.{RequestCache, WikiService}
 
 object Markdown {
 
@@ -29,7 +31,7 @@ object Markdown {
 }
 
 class GitBucketLinkRender(context: app.Context, repository: service.RepositoryService.RepositoryInfo,
-                          enableWikiLink: Boolean) extends LinkRenderer {
+                          enableWikiLink: Boolean) extends LinkRenderer with WikiService {
   override def render(node: WikiLinkNode): Rendering = {
     if(enableWikiLink){
       try {
@@ -40,8 +42,14 @@ class GitBucketLinkRender(context: app.Context, repository: service.RepositorySe
         } else {
           (text, text)
         }
+
         val url = repository.url.replaceFirst("/git/", "/").replaceFirst("\\.git$", "") + "/wiki/" + StringUtil.urlEncode(page)
-        new Rendering(url, label)
+
+        if(getWikiPage(repository.owner, repository.name, page).isDefined){
+          new Rendering(url, label)
+        } else {
+          new Rendering(url, label).withAttribute("class", "absent")
+        }
       } catch {
         case e: java.io.UnsupportedEncodingException => throw new IllegalStateException
       }
@@ -52,7 +60,7 @@ class GitBucketLinkRender(context: app.Context, repository: service.RepositorySe
 }
 
 class GitBucketVerbatimSerializer extends VerbatimSerializer {
-  def serialize(node: VerbatimNode, printer: Printer) {
+  def serialize(node: VerbatimNode, printer: Printer): Unit = {
     printer.println.print("<pre")
     if (!StringUtils.isEmpty(node.getType)) {
       printer.print(" class=").print('"').print("prettyprint ").print(node.getType).print('"')
@@ -98,11 +106,11 @@ class GitBucketHtmlSerializer(
     }
   }
 
-  private def printAttribute(name: String, value: String) {
+  private def printAttribute(name: String, value: String): Unit = {
     printer.print(' ').print(name).print('=').print('"').print(value).print('"')
   }
 
-  override def visit(node: TextNode) {
+  override def visit(node: TextNode): Unit =  {
     // convert commit id and username to link.
     val text = if(enableRefsLink) convertRefsLinks(node.getText, repository, "issue:") else node.getText
 

src/main/scala/view/helpers.scala

@@ -9,12 +9,12 @@ import service.RequestCache
  * Provides helper methods for Twirl templates.
  */
 object helpers extends AvatarImageProvider with LinkConverter with RequestCache {
-  
+
   /**
    * Format java.util.Date to "yyyy-MM-dd HH:mm:ss".
    */
   def datetime(date: Date): String = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(date)
-  
+
   /**
    * Format java.util.Date to "yyyy-MM-dd".
    */
@@ -31,9 +31,8 @@ object helpers extends AvatarImageProvider with LinkConverter with RequestCache
    * Converts Markdown of Wiki pages to HTML.
    */
   def markdown(value: String, repository: service.RepositoryService.RepositoryInfo,
-               enableWikiLink: Boolean, enableRefsLink: Boolean)(implicit context: app.Context): Html = {
+               enableWikiLink: Boolean, enableRefsLink: Boolean)(implicit context: app.Context): Html =
     Html(Markdown.toHtml(value, repository, enableWikiLink, enableRefsLink))
-  }
 
   /**
    * Returns <img> which displays the avatar icon.
@@ -51,15 +50,36 @@ object helpers extends AvatarImageProvider with LinkConverter with RequestCache
   def link(value: String, repository: service.RepositoryService.RepositoryInfo)(implicit context: app.Context): Html =
     Html(convertRefsLinks(value, repository))
 
+  def cut(value: String, length: Int): String =
+    if(value.length > length){
+      value.substring(0, length) + "..."
+    } else {
+      value
+    }
+
+  import scala.util.matching.Regex
+  import scala.util.matching.Regex._
+  implicit class RegexReplaceString(s: String) {
+    def replaceAll(pattern: String, replacer: (Match) => String): String = {
+      pattern.r.replaceAllIn(s, replacer)
+    }
+  }
+
   def activityMessage(message: String)(implicit context: app.Context): Html =
     Html(message
       .replaceAll("\\[issue:([^\\s]+?)/([^\\s]+?)#((\\d+))\\]"   , s"""<a href="${context.path}/$$1/$$2/issues/$$3">$$1/$$2#$$3</a>""")
+      .replaceAll("\\[pullreq:([^\\s]+?)/([^\\s]+?)#((\\d+))\\]" , s"""<a href="${context.path}/$$1/$$2/pull/$$3">$$1/$$2#$$3</a>""")
       .replaceAll("\\[repo:([^\\s]+?)/([^\\s]+?)\\]"             , s"""<a href="${context.path}/$$1/$$2\">$$1/$$2</a>""")
-      .replaceAll("\\[branch:([^\\s]+?)/([^\\s]+?)#([^\\s]+?)\\]", s"""<a href="${context.path}/$$1/$$2/tree/$$3">$$3</a>""")
-      .replaceAll("\\[tag:([^\\s]+?)/([^\\s]+?)#([^\\s]+?)\\]"   , s"""<a href="${context.path}/$$1/$$2/tree/$$3">$$3</a>""")
+      .replaceAll("\\[branch:([^\\s]+?)/([^\\s]+?)#([^\\s]+?)\\]", (m: Match) => s"""<a href="${context.path}/${m.group(1)}/${m.group(2)}/tree/${encodeRefName(m.group(3))}">${m.group(3)}</a>""")
+      .replaceAll("\\[tag:([^\\s]+?)/([^\\s]+?)#([^\\s]+?)\\]"   , (m: Match) => s"""<a href="${context.path}/${m.group(1)}/${m.group(2)}/tree/${encodeRefName(m.group(3))}">${m.group(3)}</a>""")
       .replaceAll("\\[user:([^\\s]+?)\\]"                        , s"""<a href="${context.path}/$$1">$$1</a>""")
     )
 
+  /**
+   * URL encode except '/'.
+   */
+  def encodeRefName(value: String): String = StringUtil.urlEncode(value).replace("%2F", "/")
+
   def urlEncode(value: String): String = StringUtil.urlEncode(value)
 
   def urlEncode(value: Option[String]): String = value.map(urlEncode).getOrElse("")
@@ -73,14 +93,12 @@ object helpers extends AvatarImageProvider with LinkConverter with RequestCache
   /**
    * Generates the url to the account page.
    */
-  def url(userName: String)(implicit context: app.Context): String =
-    s"${context.path}/${userName}"
+  def url(userName: String)(implicit context: app.Context): String = s"${context.path}/${userName}"
 
   /**
    * Returns the url to the root of assets.
    */
-  def assets(implicit context: app.Context): String =
-    s"${context.path}/assets"
+  def assets(implicit context: app.Context): String = s"${context.path}/assets"
 
   /**
    * Generates the link to the account page.
@@ -91,6 +109,8 @@ object helpers extends AvatarImageProvider with LinkConverter with RequestCache
     } getOrElse Html(userName)
   }
 
+  def isPast(date: Date): Boolean = System.currentTimeMillis > date.getTime
+
   /**
    * Implicit conversion to add mkHtml() to Seq[Html].
    */