Angular aborting requests

gistfile1.txt

'use strict';

angular.module('testServices',[])
.service('test',[
    '$http','$q',
    function($http,$q) {

        var testing = function(ag) {

            console.log(ag);

        }

        var _userAccountsIndex = false;
        var _cancels = {

        };
        var userAccountsIndex = function() {

                if(_cancels.userAccountsIndex) {
                    _cancels.userAccountsIndex.resolve("CANCELED");
                    _cancels.userAccountsIndex = $q.defer();
                } else {
                    _cancels.userAccountsIndex = $q.defer();
                }

                var req = $q.defer();

                $http({
                    method:'GET',
                    url:'/home/testing-service',
                    data:{},
                    timeout:_cancels.userAccountsIndex.promise
                }).success(function(res) {
                    req.resolve(res);
                }).error(function(res) {
                    req.reject(res);
                }).finally(function(res) {
                    delete _cancels.userAccountsIndex;
                });
                return req.promise;

        };

        return {
            testing:testing,
            userAccountsIndex:userAccountsIndex
        };

    }
]);