Add Missing Filter (#237)

src/UI/Movies/Index/MoviesIndexLayout.js

@@ -175,6 +175,13 @@ module.exports = Marionette.Layout.extend({
                     tooltip  : 'Monitored Only',
                     icon     : 'icon-sonarr-monitored',
                     callback : this._setFilter
+                },
+                {
+                    key      : 'missing',
+                    title    : '',
+                    tooltip  : 'Missing Only',
+                    icon     : 'icon-sonarr-missing',
+                    callback : this._setFilter
                 }
             ]
         };

src/UI/Movies/MoviesCollection.js

@@ -65,9 +65,8 @@ var Collection = PageableCollection.extend({
             true
         ],
         'missing'  : [
-            null,
-            null,
-            function(model) { return model.get('episodeCount') !== model.get('episodeFileCount'); }
+            'downloaded',
+            false
         ]
     },