(refs #437)Show author instead of committer

* Explicit classify committer and author
* Use author to render avatar image html
* Support commit view

src/main/scala/app/PullRequestsController.scala

@@ -443,7 +443,7 @@ trait PullRequestsControllerBase extends ControllerBase {
       val commits = newGit.log.addRange(oldId, newId).call.iterator.asScala.map { revCommit =>
         new CommitInfo(revCommit)
       }.toList.splitWith { (commit1, commit2) =>
-        view.helpers.date(commit1.time) == view.helpers.date(commit2.time)
+        view.helpers.date(commit1.commitTime) == view.helpers.date(commit2.commitTime)
       }
 
       val diffs = JGitUtil.getDiffs(newGit, oldId.getName, newId.getName, true)

src/main/scala/app/RepositoryViewerController.scala

@@ -106,7 +106,7 @@ trait RepositoryViewerControllerBase extends ControllerBase {
         case Right((logs, hasNext)) =>
           repo.html.commits(if(path.isEmpty) Nil else path.split("/").toList, branchName, repository,
             logs.splitWith{ (commit1, commit2) =>
-              view.helpers.date(commit1.time) == view.helpers.date(commit2.time)
+              view.helpers.date(commit1.commitTime) == view.helpers.date(commit2.commitTime)
             }, page, hasNext)
         case Left(_) => NotFound
       }

src/main/scala/service/WebHookService.scala

@@ -89,15 +89,15 @@ object WebHookService {
           WebHookCommit(
             id        = commit.id,
             message   = commit.fullMessage,
-            timestamp = commit.time.toString,
+            timestamp = commit.commitTime.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
+              name  = commit.committerName,
+              email = commit.committerEmailAddress
             )
           )
         },

src/main/scala/servlet/GitRepositoryServlet.scala

@@ -205,7 +205,7 @@ class CommitLogHook(owner: String, repository: String, pusher: String, baseUrl:
   private def createIssueComment(commit: CommitInfo) = {
     StringUtil.extractIssueId(commit.fullMessage).foreach { issueId =>
       if(getIssue(owner, repository, issueId).isDefined){
-        getAccountByMailAddress(commit.mailAddress).foreach { account =>
+        getAccountByMailAddress(commit.committerEmailAddress).foreach { account =>
           createComment(owner, repository, account.userName, issueId.toInt, commit.fullMessage + " " + commit.id, "commit")
         }
       }

src/main/scala/util/JGitUtil.scala

@@ -61,24 +61,31 @@ object JGitUtil {
    * The commit data.
    *
    * @param id the commit id
-   * @param time the commit time
-   * @param committer  the committer name
-   * @param mailAddress the mail address of the committer
    * @param shortMessage the short message
    * @param fullMessage the full message
    * @param parents the list of parent commit id
+   * @param authorTime the author time
+   * @param authorName the author name
+   * @param authorEmailAddress the mail address of the author
+   * @param commitTime the commit time
+   * @param committerName  the committer name
+   * @param committerEmailAddress the mail address of the committer
    */
-  case class CommitInfo(id: String, time: Date, committer: String, mailAddress: String,
-                        shortMessage: String, fullMessage: String, parents: List[String]){
+  case class CommitInfo(id: String, shortMessage: String, fullMessage: String, parents: List[String],
+                        authorTime: Date, authorName: String, authorEmailAddress: String,
+                        commitTime: Date, committerName: String, committerEmailAddress: String){
     
     def this(rev: org.eclipse.jgit.revwalk.RevCommit) = this(
         rev.getName,
+        rev.getFullMessage,
+        rev.getShortMessage,
+        rev.getParents().map(_.name).toList,
+        rev.getAuthorIdent.getWhen,
+        rev.getAuthorIdent.getName,
+        rev.getAuthorIdent.getEmailAddress,
         rev.getCommitterIdent.getWhen,
         rev.getCommitterIdent.getName,
-        rev.getCommitterIdent.getEmailAddress,
-        rev.getShortMessage,
-        rev.getFullMessage,
-        rev.getParents().map(_.name).toList)
+        rev.getCommitterIdent.getEmailAddress)
 
     val summary = getSummaryMessage(fullMessage, shortMessage)
 
@@ -87,6 +94,8 @@ object JGitUtil {
         Some(fullMessage.trim.substring(i).trim)
       } else None
     }
+
+    def isDiffrentCommitter: Boolean = authorName != committerName || authorEmailAddress != committerEmailAddress
   }
 
   case class DiffInfo(changeType: ChangeType, oldPath: String, newPath: String, oldContent: Option[String], newContent: Option[String])

src/main/scala/view/helpers.scala

@@ -74,7 +74,7 @@ object helpers extends AvatarImageProvider with LinkConverter with RequestCache
    * This method looks up Gravatar if avatar icon has not been configured in user settings.
    */
   def avatar(commit: util.JGitUtil.CommitInfo, size: Int)(implicit context: app.Context): Html =
-    getAvatarImageHtml(commit.committer, size, commit.mailAddress)
+    getAvatarImageHtml(commit.authorName, size, commit.authorEmailAddress)
 
   /**
    * Converts commit id, issue id and username to the link.