(refs #103) Add issue comment deletion.

src/main/scala/app/IssuesController.scala

@@ -155,6 +155,16 @@ trait IssuesControllerBase extends ControllerBase {
     }
   })
 
+  ajaxPost("/:owner/:repository/issue_comments/delete/:id")(readableUsersOnly { repository =>
+    defining(repository.owner, repository.name){ case (owner, name) =>
+      getComment(owner, name, params("id")).map { comment =>
+        if(isEditable(owner, name, comment.commentedUserName)){
+          Ok(deleteComment(comment.commentId))
+        } else Unauthorized
+      } getOrElse NotFound
+    }
+  })
+
   ajaxGet("/:owner/:repository/issues/_data/:id")(readableUsersOnly { repository =>
     getIssue(repository.owner, repository.name, params("id")) map { x =>
       if(isEditable(x.userName, x.repositoryName, x.openedUserName)){

src/main/scala/service/IssuesService.scala

@@ -249,6 +249,9 @@ trait IssuesService {
       }
       .update (content, currentDate)
 
+  def deleteComment(commentId: Int) =
+    IssueComments filter (_.byPrimaryKey(commentId)) delete
+
   def updateClosed(owner: String, repository: String, issueId: Int, closed: Boolean) =
     Issues
       .filter (_.byPrimaryKey(owner, repository, issueId))

src/main/twirl/issues/commentlist.scala.html

@@ -15,7 +15,8 @@
         <span class="pull-right">
           @datetime(comment.registeredDate)
           @if(comment.action != "commit" && comment.action != "merge" && (hasWritePermission || loginAccount.map(_.userName == comment.commentedUserName).getOrElse(false))){
-            <a href="#" data-comment-id="@comment.commentId"><i class="icon-pencil"></i></a>
+            <a href="#" data-comment-id="@comment.commentId"><i class="icon-pencil"></i></a>&nbsp;
+            <a href="#" data-comment-id="@comment.commentId"><i class="icon-remove-circle"></i></a>
           }
         </span>
       </div>
@@ -69,5 +70,18 @@ $(function(){
     });
     return false;
   });
+  $('i.icon-remove-circle').click(function(){
+    if(confirm('Are you sure you want to delete this?')) {
+      var id = $(this).closest('a').data('comment-id');
+      $.post('@url(repository)/issue_comments/delete/' + id,
+      function(data){
+        if(data > 0) {
+          $('#comment-' + id).prev('div.issue-avatar-image').remove();
+          $('#comment-' + id).remove();
+        }
+      });
+    }
+    return false;
+  });
 });
 </script>