app-starlock/lib/mine/mall/lockMall_logic.dart

import 'dart:convert';

import 'package:flutter/services.dart';
import 'package:fluwx/fluwx.dart';
import 'package:get/get.dart';
import 'package:star_lock/flavors.dart';
import 'package:star_lock/main/lockMian/lockMain/xhj/lockMain_xhj_logic.dart';
import 'package:star_lock/mine/mall/lockMall_entity.dart';
import 'package:star_lock/mine/mall/lockMall_state.dart';
import 'package:star_lock/mine/mall/webview/webview_logic.dart';
import 'package:star_lock/network/api_repository.dart';
import 'package:webview_flutter/webview_flutter.dart';

import '../../tools/baseGetXController.dart';
import '../../tools/wechat/pay/wx_pay_tool.dart';
import '../../tools/wechat/wechatManageTool.dart';

class LockMallLogic extends BaseGetXController {
  late LockMallState state;

  DateTime? _lastPressedAt; // 记录上一次按下返回键的时间

  LockMallLogic({required bool allowReturn})
      : state = LockMallState(allowReturn: allowReturn);

  //获取商城跳转地址
  Future<void> getMallURLRequest() async {
    final LockMallDataEntity entity = await ApiRepository.to.getMallURLData();
    if (entity.errorCode!.codeIsSuccessful) {
      state.lockMallUrl.value = entity.data!.url!;
      state.mallWebView.setNavigationDelegate(
        NavigationDelegate(
          onProgress: (int progress) {
            state.webProgress.value = progress / 100;
          },
          onPageStarted: (String url) {
            state.webProgress.value = 0.0;
          },
          onPageFinished: (String url) {
            state.webProgress.value = 1.0;
            refreshGoBack();
            update();
          },
          onWebResourceError: (WebResourceError error) {},
          onNavigationRequest: (NavigationRequest request) async {
            //路由跳转逻辑
            if (WebViewLogic.judgePaySchemes(request.url)) {
              await WebViewLogic.runScheme(request.url);
              return NavigationDecision.prevent;
            }
            return NavigationDecision.navigate;
          },
        ),
      );
      state.mallWebView.loadRequest(Uri.parse(state.lockMallUrl.value));
      state.mallWebView.addJavaScriptChannel(
        'FlutterBridge',
        onMessageReceived: (JavaScriptMessage message) async {
          flutterBridge(message);
        },
      );
    }
  }

  //监听webview的调用
  Future<void> flutterBridge(JavaScriptMessage message) async {
    final dynamic obj = json.decode(message.message);
    if (obj is! Map && obj['action'] is String) {
      return;
    }
    final String action = obj['action'];
    final dynamic data = obj['data'];
    final String? callFun = obj['callFun'];
    switch (action) {
      case 'WechatPayParams':
        //微信支付
        WechatManageTool.getAppInfo(() {
          wxPay(data, callFun);
        });
        // wxPay(data, callFun);
        break;
    }
  }

  //微信支付
  Future<void> wxPay(dynamic data, String? callFun) async {
    WxPayTool.pay(WxPayTool.mapToPayment(data), (WeChatResponse response) {
      if (response is WeChatPaymentResponse) {
        final Map data = <String, dynamic>{
          'type': response.type,
          'extData': response.extData,
          'errCode': response.errCode,
          'errStr': response.errStr,
        };
        state.mallWebView.runJavaScript(
          'window.$callFun(`${json.encode(data)}`)',
        );
      }
    });
  }

  //判断webview 是否可以有路由可以回退，无则退出当前页面
  Future<bool> canGoBack(bool didPop) async {
    final bool canGoBack = await state.mallWebView.canGoBack();
    bool isMall = true;
    if (Get.isRegistered<LockMainXHJLogic>() && F.isXHJ) {
      isMall = Get.find<LockMainXHJLogic>().isMall;
    }
    if (canGoBack && isMall) {
      await state.mallWebView.goBack();
    } else if (state.allowReturn && isMall) {
      Get.back();
    } else {
      if (_lastPressedAt == null ||
          DateTime.now().difference(_lastPressedAt!) > const Duration(seconds: 2)) {
        // 如果两次返回键时间间隔大于 2 秒，则提示再次按下返回键退出
        _lastPressedAt = DateTime.now();
        showToast('再返回一次退出'.tr + F.title);
        return false; // 阻止返回操作
      }
      SystemNavigator.pop();
      return true;
    }
    refreshGoBack();
    return false;
  }

  //刷新当前路由状态
  void refreshGoBack() {
    //如果属于一直返回按钮，则根据是否有路由可以回退刷新
    if (state.allowReturn) {
      return;
    }
    state.mallWebView.canGoBack().then((bool value) {
      state.canGoBack = value;
      update();
    });
  }

  @override
  Future<void> onReady() async {
    super.onReady();
  }

  @override
  void onInit() {
    super.onInit();
    getMallURLRequest();
  }
}