From 0d15dbd88698304d4fec17b1dc32fb3948a17221 Mon Sep 17 00:00:00 2001
From: Sam Saffron <sam.saffron@gmail.com>
Date: Sun, 1 Nov 2015 14:30:54 +1100
Subject: [PATCH] FIX: lastPoster not defined correctly in model

---
 .../javascripts/discourse/models/topic.js.es6    | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/app/assets/javascripts/discourse/models/topic.js.es6 b/app/assets/javascripts/discourse/models/topic.js.es6
index 554546acba8..6ed996b3368 100644
--- a/app/assets/javascripts/discourse/models/topic.js.es6
+++ b/app/assets/javascripts/discourse/models/topic.js.es6
@@ -8,7 +8,21 @@ const Topic = RestModel.extend({
   message: null,
   errorLoading: false,
 
-  lastPoster: Ember.computed.alias("posters.lastObject.user"),
+  @computed('posters.firstObject')
+  creator(poster){
+    return poster && poster.user;
+  },
+
+  @computed('posters.lastObject')
+  lastPoster(poster) {
+    if (poster){
+      if (this.last_poster_username === poster.user.username){
+        return poster.user;
+      } else {
+        return this.get('creator');
+      }
+    }
+  },
 
   @computed('fancy_title')
   fancyTitle(title) {