app/lib/third_party/wechat/wechat_utils.dart

/*
 * ====================================================
 * package   : 
 * author    : Created by nansi.
 * time      : 2019/7/1  5:08 PM 
 * remark    : 
 * ====================================================
 */
import 'dart:core';

import 'package:flutter/material.dart';
import 'package:fluwx/fluwx.dart' as fluwx;
import 'package:recook/constants/config.dart';
import 'package:recook/constants/header.dart';
import 'package:recook/manager/user_manager.dart';
import 'package:recook/utils/user_Authority_util.dart';
import 'package:recook/widgets/toast.dart';

typedef WXLoginListener = Function(WXLoginResult result);

class WXLoginResult {
  final int type;
  final int errCode;
  final String errStr;
  final String androidOpenId;
  final String iOSDescription;
  final String country;
  final String lang;
  final String code;
  final String androidUrl;
  final String state;
  final String androidTransaction;

  WXLoginResult({this.errStr,
    this.type,
    this.errCode,
    this.androidOpenId,
    this.iOSDescription,
    this.country,
    this.lang,
    this.code,
    this.androidUrl,
    this.state,
    this.androidTransaction});
}

class WXPayResult {
  final String errStr;
  final int type;
  final int errCode;
  final String androidOpenId;
  final String iOSDescription;
  final String androidPrepayId;
  final String extData;
  final String androidTransaction;

  WXPayResult(
      {this.errStr, this.type, this.errCode, this.androidOpenId, this.iOSDescription, this.androidPrepayId, this.extData, this.androidTransaction});

}

class WeChatUtils {

  static bool isInstall = false;

  static initial() async {
    await fluwx.registerWxApi(
      appId: AppConfig.WX_APP_ID,
      doOnAndroid: true,
      doOnIOS: true,
      universalLink: "https://reecook.cn/"
    ).then((onValue){
      DPrint.printf("微信registr $onValue");
    });
    var result = await fluwx.isWeChatInstalled;
    isInstall = result;
    DPrint.printf("wechat install $result");

  }

  static shareUrl({
    String url, 
    String title, 
    String assetsThumbnail,
    String netWorkThumbnail,  
    String description,
    fluwx.WeChatScene scene = fluwx.WeChatScene.SESSION,}){
    //2.0
      var model = fluwx.WeChatShareWebPageModel(
        url, 
        thumbnail: 
          !TextUtils.isEmpty(netWorkThumbnail)?fluwx.WeChatImage.network(netWorkThumbnail):
          !TextUtils.isEmpty(assetsThumbnail)?fluwx.WeChatImage.asset(assetsThumbnail): null,
        title: title,
        scene: scene,
        description: description,
      );
      fluwx.shareToWeChat(model);
  }

  static shareGoodsForMiniProgram ({
    int goodsId,
    String title,
    String thumbnail,}){
      if (UserAuthorityUtil().showNeedLoginToast()) {return;}
      
      var invitationNo = UserManager.instance.user.info.invitationNo??'';
      fluwx.WXMiniProgramType _wxType = fluwx.WXMiniProgramType.PREVIEW;
      if (!AppConfig.debug) {
        _wxType = fluwx.WXMiniProgramType.RELEASE;
      }
      var userId = UserManager.instance.user.info.id;
      var model = fluwx.WeChatShareMiniProgramModel(
                path: "pages/goods/detail?goods_id=$goodsId&code=$invitationNo&userId=$userId",
                webPageUrl: "reecook.cn",
                miniProgramType: _wxType,
                userName: AppConfig.WX_APP_MINIPRO_USERNAME,
                // scene: fluWX.WeChatScene.SESSION,
                title: title,
                description: "",
                thumbnail: fluwx.WeChatImage.network(thumbnail),
                // thumbnail: thumbnail,
                );
      fluwx.shareToWeChat(model);
      // fluWX.share(model);
  }
  
  static shareMiniProgram ({
    String path,
    String webPageUrl,
    String title,
    String description,
    String thumbnail,}){
      fluwx.WXMiniProgramType _wxType = fluwx.WXMiniProgramType.PREVIEW;
      if (!AppConfig.debug) {
        _wxType = fluwx.WXMiniProgramType.RELEASE;
      }
      var model = fluwx.WeChatShareMiniProgramModel(
                path: path,
                webPageUrl: webPageUrl,
                miniProgramType: _wxType,
                userName: AppConfig.WX_APP_MINIPRO_USERNAME,
                // scene: fluWX.WeChatScene.SESSION,
                title: title,
                description: description,
                thumbnail: fluwx.WeChatImage.network(thumbnail),
                // thumbnail: thumbnail,
                );
      // fluWX.share(model);
      fluwx.shareToWeChat(model);
  }

  static wxLogin(Function(WXLoginResult result) listener) {
    // 会调用多次
    fluwx.weChatResponseEventHandler.distinct((a, b) => a == b).listen((data) {
      if (data is fluwx.WeChatAuthResponse) {
        DPrint.printf(
          "微信登录 errCode------------- ${data.errCode} - ${data.errStr}");
        WXLoginResult result = WXLoginResult(
          type: data.type,
          errCode: data.errCode,
          errStr: data.errStr,
          // androidOpenId: data.androidOpenId,
          // iOSDescription: data.iOSDescription,
          country: data.country,
          lang: data.lang,
          code: data.code,
          // androidUrl: data.androidUrl,
          // androidTransaction: data.androidTransaction,
          state: data.state,
        );
        listener(result);
      }
    });
  fluwx.sendWeChatAuth(
        scope: "snsapi_userinfo", state: "wechat_sdk_demo_reecook")
    .then((data) {});
  }

  static pay({@required String appId,
    @required String partnerId,
    @required String prepayId,
    @required String packageValue,
    @required String nonceStr,
    @required int timeStamp,
    @required String sign,
    String signType,
    String extData,
    Function(WXPayResult result) listener}) {
      print("appId-------- $appId");
      print("-partnerId------- $partnerId");
      print("prepayId-------- $prepayId");
      print("packageValue-------- $packageValue");
      print("nonceStr-------- $nonceStr");
      print("timeStamp-------- $timeStamp");
      print("signType-------- $signType");
      print("extData-------- $extData");
      print("sign-------- $sign");
      
      fluwx.weChatResponseEventHandler.distinct((a, b) => a == b).listen((data) {
        if (data is fluwx.WeChatPaymentResponse) {
          if (listener == null) return;
        listener(WXPayResult(
          errCode: data.errCode,
          errStr: data.errStr,
          type: data.type,
        ));
        }
      });
      fluwx.isWeChatInstalled.then((install){
        if (!install) {
          Toast.showInfo("未安装微信");
          return;
        }
      fluwx.payWithWeChat(
        appId: appId,
        partnerId: partnerId,
        prepayId: prepayId,
        packageValue: packageValue,
        nonceStr: nonceStr,
        timeStamp: timeStamp,
        signType: "MD5",
        sign: sign);
      });
  }
}