Move code for appending a discussion note to notes JS

app/assets/javascripts/notes.js

@@ -377,6 +377,20 @@ var NoteList = {
     this.updateVotes();
   },
 
+  appendNewDiscussionNote: function(discussionId, diffRowHtml, noteHtml) {
+    // is this the first note of discussion?
+    var row = $("form[rel='"+discussionId+"']").closest("tr");
+    if (row.is(".js-temp-notes-holder")) {
+      // insert the note and the reply button after it
+      row.after(diffRowHtml);
+      // will be added again below
+      row.next().find(".note").remove();
+    }
+
+    // append new note to all matching discussions
+    $(".notes[rel='"+discussionId+"']").append(noteHtml);
+  },
+
   /**
    * Recalculates the votes and updates them (if they are displayed at all).
    *

app/views/notes/_create_discussion_note.js.haml

 - if note.valid?
   :plain
-    // is this the first note of discussion?
-    var row = $("form[rel='#{note.discussion_id}']").closest("tr");
-    if (row.is(".js-temp-notes-holder")) {
-      // insert the note and the reply button after it
-      row.after("#{escape_javascript(render "notes/diff_notes_with_reply", notes: [note])}");
-      // will be added again below
-      row.next().find(".note").remove();
-    }
-
-    // append new note to all discussions
-    $(".notes[rel='#{note.discussion_id}']").append("#{escape_javascript(render "notes/note", note: note)}");
+    NoteList.appendNewDiscussionNote("#{note.discussion_id}",
+                                     "#{escape_javascript(render "notes/diff_notes_with_reply", notes: [note])}",
+                                     "#{escape_javascript(render "notes/note", note: note)}");