(refs #28)Avatar image can be uploaded at the account editing page.

src/main/scala/util/Directory.scala

@@ -38,7 +38,7 @@ object Directory {
   /**
    * Directory for uploaded files by the specified user.
    */
-  def getUserUploadDir(userName: String): File = new File("%s/%s/_files".format(GitBucketHome, userName))
+  def getUserUploadDir(userName: String): File = new File("%s/data/%s/files".format(GitBucketHome, userName))
 
   /**
    * Root of temporary directories for the specified repository.

src/main/scala/util/FileUploadUtil.scala

@@ -0,0 +1,33 @@
+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, "tmp/_upload/%s".format(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

@@ -44,4 +44,13 @@ object FileUtil {
     }
   }
 
+  def getExtension(name: String): String = {
+    val index = name.lastIndexOf('.')
+    if(index >= 0){
+      name.substring(index + 1)
+    } else {
+      ""
+    }
+  }
+
 }