1 files changed, 11 insertions, 1 deletions
diff --git a/js/controller/ExploreController.js b/js/controller/ExploreController.js
index 9de6035e7..7fca456e5 100644
--- a/js/controller/ExploreController.js
+++ b/js/controller/ExploreController.js
@@ -7,13 +7,23 @@
  * @author Bernhard Posselt <dev@bernhard-posselt.com>
  * @copyright Bernhard Posselt 2014
  */
-app.controller('ExploreController', function (sites, $rootScope) {
+app.controller('ExploreController', 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;
+    };
+
 });
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