landers.angular/src/js/utils/provider-ajax.js

landers.angular

;angular.module('Landers.angular')
    .provider('Ajax', function() {
        var provider = this;
        this.hosturl = '';
        this.$get = ['$http', '$rootScope', '$q', function($http, $rootScope, $q){
            var csrf_token;
            function Ajax() {
                var _debug, _loading, _headers;
                var _hosturl = provider.hosturl;
                var cancellers = [];
                var prevents = {
                    error : false,
                    error_once : false
                };
                var build_url = function(url, params) {
                    if (params) {
                        url = Landers.url.qs.set(url, params);
                    }

                    var url_info = Landers.url.parse(url);
                    return url_info.protocol ? url : _hosturl + url;
                };
                this.setHosturl = function(hosturl){
                    _hosturl = hosturl;
                    return this;
                }
                this.debug = function(is){
                    _debug = is !== false && is !== 0;
                    return this;
                };
                this.loading = function(is){
                    _loading = is === true || is === undefined;
                    return this;
                };
                this._get = function(method, url, params){
                    var that = this;
                    url = build_url(url, params);

                    var ret, config = {ignoreLoadingBar: !_loading};
                    var canceler = $q.defer();
                    cancellers.push(canceler);
                    // 添加timeout设置为promise对象，才可以取消未完成的request请求
                    config.timeout = canceler.promise;
                    switch (method.toLowerCase()) {
                        case 'get' :
                            ret = $http.get(url, config); break;
                        // case 'delete':
                        //     ret = $http.delete(url, config); break;
                    }
                    ret.success(that.success).error(that.error)
                       .finally(function(){cancellers.pop();});
                    _loading = _debug = false;
                    return ret;
                };
                this.get = function(url, params) {
                    return this._get('get', url, params);
                };
                this.delete = function(url, data){
                    return this._post('delete', url, data);
                };
                this._post = function(method, url, xvar, params){
                    var that = this;
                    url = build_url(url, params);
                    // var data = angular.isString(xvar) || angular.isElement(xvar) ? Form.data(xvar) : xvar;
                    var ret, data = xvar || {};

                    var config = {ignoreLoadingBar: !_loading, headers: {}}; //, withCredentials:true
                    var csrf_token = $('meta[name=csrf-token]').attr('content');
                    if (csrf_token) config.headers['X-CSRF-TOKEN'] = csrf_token;
                    if (_headers) {
                        angular.extend(config.headers, _headers);
                        _headers = null;
                    }

                    var canceler = $q.defer();
                    cancellers.push(canceler);
                    // 添加timeout设置为promise对象，才可以取消未完成的request请求
                    config.timeout = canceler.promise;
                    switch (method.toLowerCase()) {
                        case 'post' :
                            ret = $http.post(url, data, config); break;
                        case 'put' :
                            data['_method'] = 'put';
                            ret = $http.put(url, data, config); break;
                        case 'delete':
                            config.data = data;
                            config.headers['Content-type'] = 'application/json;charset=utf-8';
                            ret = $http.delete(url, config); break;
                    }
                    ret.success(that.success).error(that.error)
                       .finally(function(){cancellers.pop();});

                    _loading = _debug = false;
                    return ret;

                };
                this.withHeaders = function(headers){
                    _headers = headers;
                    return this;
                };
                this.post = function(url, xvar, params){
                    return this._post('post', url, xvar, params);
                };
                this.put = function(url, data, params){
                    return this._post('put', url, data, params);
                };
                this.success = function(rspn, code, header){
                    if (rspn.code == 1 && rspn.message) {
                        Landers.msgbox(rspn);
                    }
                };
                this.error = function(rspn) {
                    if (!angular.isObject(rspn)) {
                        // console.log('无响应404');
                        rspn = {
                            success : false,
                            message : '' //'远程无响应或OPTION方法',
                        };
                    }
                };
                this.cancelAll = function(i){
                    if ( cancellers.length ) {
                        var canceller;
                        while (canceller = cancellers.pop()) {
                            canceller.resolve("user cancelled");
                        }
                    }
                };
            }
            return {
                make:function(){
                    return new Ajax();
                },
                csrf_token:function(){
                    return csrf_token;
                }
            };
        }];
    });