$scope.postTopic = function(){
                var q = $q.defer();
                var top = topicService.post($scope.topicName, $scope.topicDescription)
                q.resolve(top);
                return q.promise;
            }

            $scope.createNewTopic = function() {



                if ($scope.topicName && $scope.topicDescription) {

                    var tmp = $scope.postTopic();

                    console.log('tmp' + tmp);

                    tmp.then(function (data){
                        console.log('taaa' + data);
                        $scope.search(data, true);
                    })
                }
                else {
                    alert('Enter valid input');
                }
                $scope.topicName = "";
                $scope.topicDescription = " ";
                $scope.showTopicForm = false;
            };