活动页面登录逻辑梳理

define(['jquery'], function () {
    //活动页面登录组件
    var PageLogin = function PageLogin(basePath,activePath, browseType, successFun, failFun) {
        //登录状态
        this.isLogin = false;
        //接口参数
        this.bType = browseType ? browseType : "WAP";
        this.basePath = basePath;
        this.activePath = activePath;
        //初始化函数
        this.initPage(successFun, failFun);
    };
    $.extend(PageLogin.prototype, {
        /**
         *页面登录初始化
         * @param successFun 登录成功方法
         * @param failFun  登录失败方法
         */
        initPage: function (successFun, failFun) {
            //bType是wap和web的类型
            var self = this, isApp = self.isApp, bType = self.bType;
            if (self.getIsApp()) {
                //alert("userId" + userId);
                var userId = $("#j_userid").val();
                if (userId == -4 || userId == "" || userId == undefined) {//未登录
                    failFun();
                } else {
                    successFun();
                    self.isLogin = true;
                }
            } else {
                //先去请求一个jsonp接口
                $.ajax({
                    type: "get",
                    url: self.basePath + "/jsonp",
                    dataType: "jsonp",
                    data: {
                        m: parseInt(Math.random() * 1000000)
                    },
                    success: function (data) {
                        login2(data);
                    }
                });
            }
            //第二次登陆接口判断
            function login2(userid) {
                var _userid = userid;
                if (userid == undefined) {
                    _userid = "";
                }
                $.ajax({
                    type: "get",
                    url: self.activePath + "/checkredis/_" + self.bType + "/" + _userid,
                    data: {
                        m: parseInt(Math.random() * 1000000)
                    },
                    success: function (data) {
                        if (data == "success") {
                            successFun();
                            self.isLogin = true;
                        } else {
                            failFun();
                        }
                    }
                });
            }
        },
        /**
         * 页面是否app页内打开
         * @returns {boolean}
         */
        getIsApp: function () {
            var isApp = false;
            var ua = window.navigator.userAgent.toLowerCase();
            if (ua.indexOf("@tzg-ios") > -1 || ua.indexOf("@tzg-android") > -1) {
                isApp = true;
            }
            return isApp;
        },
        /**
         * 页面是否登录
         * @returns {boolean}
         */
        getIsLogin: function () {
            return this.isLogin;
        }
    });
    return PageLogin;
});