https://dfe.eprviamineira.com.br/content/js/angular/factories.js

1(function (window, angular) {
2    'use strict';
3
4    angular
5        .module('RFPe')
6        .factory('httpLoader', HttpLoader);
7
8    /*
9     * HttpLoader
10     * - Interceptador exibe o gif de loading enquanto houver requisições HTTP
11     */
12    HttpLoader.$inject = ['$rootScope', '$q'];
13    function HttpLoader($rootScope, $q) {
14        var requests = 0;
15        return {
16            request: function (config) {
17                requests++;
18                if (config.loader === undefined || config.loader) {
19                    $rootScope.$broadcast("loader_show");
20                }
21                return config || $q.when(config);
22            },
23            response: function (response) {
24				if ((--requests) === 0) {
25                    $rootScope.$broadcast("loader_hide");
26                }
27                return response || $q.when(response);
28            },
29            responseError: function (response) {
30				if (!(--requests)) {
31                    $rootScope.$broadcast("loader_hide");
32                }
33				var page =document.location.href.substring( document.location.href.lastIndexOf('/')+1); 
34				if (page !== 'login.html'){
35					if (response.status === 401 || response.status === '401'){
36						delete sessionStorage.token;
37						document.location.href = 'login.html';
38					}
39				}
40                return $q.reject(response);
41            }
42        };
43    }
44
45})(window, angular);