1 files changed, 11 insertions, 1 deletions
diff --git a/js/build/app.js b/js/build/app.js
index cef96d193..7a12eb56c 100644
--- a/js/build/app.js
+++ b/js/build/app.js
@@ -454,15 +454,25 @@ app.controller('ContentController',
     };
 
 }]);
-app.controller('ExploreController', ["sites", "$rootScope", function (sites, $rootScope) {
+app.controller('ExploreController', ["sites", "$rootScope", "FeedResource", function (sites, $rootScope, FeedResource) {
     'use strict';
 
     this.sites = sites;
 
+    this.feedExists = function (url) {
+    	return FeedResource.get(url) !== undefined;
+    };
+
     this.subscribeTo = function (url) {
         $rootScope.$broadcast('addFeed', url);
     };
 
+    this.isCategoryShown = function (data) {
+        return data.filter(function (element) {
+            return FeedResource.get(element.url) === undefined;
+        }).length > 0;
+    };
+
 }]);
 app.controller('NavigationController',
 ["$route", "FEED_TYPE", "FeedResource", "FolderResource", "ItemResource", "SettingsResource", "Publisher", "$rootScope", "$location", "$q", function ($route, FEED_TYPE, FeedResource, FolderResource, ItemResource,