Properly handle no posts

fixes #4058
- Set noPosts in setupController

ghost/admin/routes/posts/index.js

@@ -3,6 +3,7 @@ import loadingIndicator from 'ghost/mixins/loading-indicator';
 import mobileQuery from 'ghost/utils/mobile';
 
 var PostsIndexRoute = MobileIndexRoute.extend(SimpleAuth.AuthenticatedRouteMixin, loadingIndicator, {
+    noPosts: false,
     // Transition to a specific post if we're not on mobile
     beforeModel: function () {
         if (!mobileQuery.matches) {
@@ -10,6 +11,11 @@ var PostsIndexRoute = MobileIndexRoute.extend(SimpleAuth.AuthenticatedRouteMixin
         }
     },
 
+    setupController: function (controller, model) {
+        /*jshint unused:false*/
+        controller.set('noPosts', this.get('noPosts'));
+    },
+
     goToPost: function () {
         var self = this,
             // the store has been populated by PostsRoute
@@ -26,7 +32,7 @@ var PostsIndexRoute = MobileIndexRoute.extend(SimpleAuth.AuthenticatedRouteMixin
             if (post) {
                 return self.transitionTo('posts.post', post);
             }
-            self.get('controller').set('noPosts', true);
+            self.set('noPosts', true);
         });
     },
 

ghost/admin/templates/posts/index.hbs

@@ -5,4 +5,4 @@
         {{#link-to "editor.new"}}<button type="button" class="btn btn-green btn-lg" title="New Post">Write a new Post</button>{{/link-to}}
     </div>
 </div>
-{{/if}}
+{{/if}}