taptapstar/assets/scripts/net/WeChat.js

const LoginApi = require('./LoginApi');
const ShareAction = require('../utils/ShareAction');
const AlertManager = require('../utils/AlertManager');
const SkillApi = require("../net/SkillApi");

class WeChat {

    constructor() {
        this.wxWidth = 0;//微信小程序可用屏幕宽度
        this.wxHeight = 0;//微信小程序可用屏幕高度
        this.js_code = null;
        this.shareArray = WeChat.shareObjcts;
    }

    /**
     * 检查登录态是否已失效
     * 回调函数会回传flag值（true:未失效, false:已失效）
     * @param {Function} cb 回调方法
     */
    checkLogin(cb) {
        CC_WECHATGAME && wx.checkSession({
            success() {
                //session_key 未失效
                cb && cb(true)
            },
            fail() {
                //session_key 已失效
                cb && cb(false)
            }
        })
    }

    /**
     * 使用存在localStorage中的登录信息进行静默登录
     * 不刷新 uid 和 token
     * @param {Function} cb 回调方法
     */
    loginStatic(cb) {
        let userStorage = cc.sys.localStorage.getItem('GlobalUser')
        if (userStorage) {
            Global.user = userStorage;
            cb && cb()
        } else {
            this.login(cb)
        }
    }

    /**
     * 调起一个新的微信登录
     * 刷新 token
     * @param {Function} cb 回调方法
     */
    login(cb) {

        this.cb = cb || function () { }

        if (!CC_WECHATGAME) {
            Global.user = {
                uid: 1,
                token: 'lucifer_test_token',
                nick: 'lucifer',
                avatarUrl: 'http://mpic.tiankong.com/f94/72b/f9472be4691ab43e3f6132bb8b63d00a/640.jpg',
                gender: 1
            }

            this.cb();
            return;
        }

        this.isSupportInfoBtn = wx.createUserInfoButton ? true : false;

        wx.login({
            success: ({ code }) => {
                // console.log(code);
                this.js_code = code;
                //如果支持用户信息按钮
                if (this.isSupportInfoBtn) {
                    wx.getSetting({
                        success: (res) => {
                            // 已经授权，可以直接调用 getUserInfo 获取头像昵称
                            if (res.authSetting['scope.userInfo']) {
                                this._getUserInfo()
                            } else {
                                this._createBtn();
                            }
                        }
                    })
                } else {
                    this._getUserInfo()
                }
            }
        })

        wx.getSystemInfo({
            success: (res) => {
                Global.os = res.platform == "android" ? 2 : 1;
                this.wxWidth = res.windowWidth;
                this.wxHeight = res.windowHeight;
            }
        });
    }

    _getUserInfo() {
        wx.getUserInfo({
            withCredentials: true,
            success: (res) => {
                this._login(res);
            }
        })
    }

    _login(res) {
        // let loginApi = new LoginApi();
        LoginApi.login(this.js_code, res, this.cb);
    }

    /**
     * 创建一个微信环境下，获取登录信息的原生按钮
     */
    _createBtn() {
        let width = 167;
        let height = 88.5;
        let left = (this.wxWidth - width) / 2;
        let top = this.wxHeight - 380;
        console.log('top: ', top);
        let button = wx.createUserInfoButton({
            type: 'image',
            // text: '点击授权',
            image: 'https://pub.dwstatic.com/wxgame/taptapstar/share/startgame.png',
            style: {
                left: left,
                top: top,
                width: width,
                height: height,
                backgroundColor: '#ffffff',
                borderColor: '#ffffff',
                borderWidth: 0,
                borderRadius: 5,
                color: '#ffffff',
                textAlign: 'center',
                fontSize: 16,
                lineHeight: 88.5,
            },
            withCredentials: true
        })
        button.onTap((res) => {
            // console.log('res');
            // console.log(res);
            if (res.errMsg == 'getUserInfo:ok') {
                button.destroy();
                this._login(res);
            }
        })
        return button;
    }

    inviteFriend(action, success, fail) {
        if (!CC_WECHATGAME) {
            return;
        }

        wx.shareAppMessage({
            title: '偷偷分享给你一个小程序，福利满满，你懂的',
            imageUrl: 'https://pub.dwstatic.com/wxgame/taptapstar/share/share1.jpg',
            query: 'uid=' + Global.user.uid + '&shareType=' + action,
            success: success || function () { },
            fail: fail || function () { }
        });
    }

    shareAction(success, fail) {
        if (CC_WECHATGAME) {

            let randomIndex = parseInt(Math.random()*(WeChat.shareObjcts.length),10);
            let shareObjct = WeChat.shareObjcts[randomIndex];
            
            wx.shareAppMessage({
                title: shareObjct.title,
                imageUrl: 'https://pub.dwstatic.com/wxgame/taptapstar/share/' + shareObjct.icon,
                query: 'shareType=' + ShareAction.NONE,
                success: (res) => {
                    console.log('分享成功');
                    //判断是否分享到群
                    if (res.hasOwnProperty('shareTickets')) {
                        if (success) {
                            success();
                        }
                    } else {
                        AlertManager.showShareFailAlert();
                        console.log('分享的不是群');
                    }
                    SkillApi.report(2, (responseData) => {

                    },(error) => {

                    });
                },
                fail: (res) => {
                    if (fail) {
                        fail();
                    }
                    console.log('分享失败或取消');
                }
            });
        }
    }

    jumpCustomerServices() {
       if (CC_WECHATGAME) {
            wx.openCustomerServiceConversation({
                sessionFrom: 'shop',
                showMessageCard: true,
                sendMessageTitle: '商品',
                sendMessageImg: 'https://pub.dwstatic.com/wxgame/taptapstar/share/share_1.png'
            });
       }
    }

    static shareObjcts = [
        {'title': '就算你是大明星，签约了你就是我的人了！给我站住！', 'icon': 'share_1.png'},
        {'title': '签了我乌鸦哥，就等于签了整个东星，你老板你话事！', 'icon': 'share_2.png'},
        {'title': '今天买下宋仲基，明天签约赵丽颖，就差一个人合作这一票！', 'icon': 'share_3.png'},
        {'title': '我今天就是要让蔡徐坤给我打工，我话讲完，谁赞成？谁反对？', 'icon': 'share_4.png'},
        {'title': '老板。。。你签了我。。。今天打算让我做什么呀？', 'icon': 'share_5.png'},
        {'title': '什么？你把我买了？彭于晏和吴彦祖是我新同事？', 'icon': 'share_6.png'},
    ]
}

module.exports = new WeChat();