(feat) sorting capabilities in the addressbook module

UI/WebServerResources/js/Contacts/AddressBookController.js

@@ -18,6 +18,9 @@
     vm.notSelectedComponent = notSelectedComponent;
     vm.unselectCards = unselectCards;
     vm.confirmDeleteSelectedCards = confirmDeleteSelectedCards;
+    vm.sort = sort;
+    vm.sortedBy = sortedBy;
+
     
     function selectCard(card) {
       $state.go('app.addressbook.card.view', {addressbookId: stateAddressbook.id, cardId: card.id});
@@ -80,6 +83,14 @@
           // Delete failed
         });
     }
+
+    function sort(field) {
+      vm.selectedFolder.$filter('', { sort: field });
+    }
+
+    function sortedBy(field) {
+      return vm.selectedFolder.$query.sort == field;
+    }
   }
 
   angular