huixiang_app/lib/store/store_order.dart

import 'dart:convert';

import 'package:dio/dio.dart';
import 'package:extended_nested_scroll_view/extended_nested_scroll_view.dart';
import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
import 'package:flutter_swiper_view/flutter_swiper_view.dart';
import 'package:get/get.dart';
import 'package:huixiang/data/activity.dart';
import 'package:huixiang/data/base_data.dart';
import 'package:huixiang/data/base_list_data.dart';
import 'package:huixiang/data/member_vo.dart';
import 'package:huixiang/data/mini_detail.dart';
import 'package:huixiang/data/shopping_cart.dart';
import 'package:huixiang/data/store_info.dart';
import 'package:huixiang/generated/l10n.dart';
import 'package:huixiang/retrofit/min_api.dart';
import 'package:huixiang/retrofit/retrofit_api.dart';
import 'package:huixiang/store/store_view/people_num.dart';
import 'package:huixiang/store/store_view/product_sku.dart';
import 'package:huixiang/store/store_view/shop_car.dart';
import 'package:huixiang/store/store_view/store_info.dart';
import 'package:huixiang/store/store_view/store_order_list.dart';
import 'package:huixiang/utils/constant.dart';
import 'package:huixiang/utils/flutter_utils.dart';
import 'package:huixiang/utils/font_weight.dart';
import 'package:huixiang/view_widget/custom_image.dart';
import 'package:huixiang/view_widget/receive_success.dart';
import 'package:huixiang/view_widget/round_button.dart';
import 'package:intl/intl.dart';
import 'package:pull_to_refresh/pull_to_refresh.dart';
import 'package:shared_preferences/shared_preferences.dart';

class StoreOrderPage extends StatefulWidget {
  final Map<String, dynamic>? arguments;

  StoreOrderPage({this.arguments});

  @override
  State<StatefulWidget> createState() {
    return _StoreOrderPage();
  }
}

class _StoreOrderPage extends State<StoreOrderPage>
    with TickerProviderStateMixin {
  TabController? tabcontroller;
  ApiService? apiService;
  MinApiService? minService;
  StoreInfo? storeInfo;
  List<Activity>? activitys;
  StoreOrderListPage? storeOrderListPage;
  ScrollPhysics scrollPhysics = NeverScrollableScrollPhysics();

  ScrollController controller = ScrollController();
  ShoppingCart? shopCarGoods;
  int tableId = 0;
  String parentId = "";
  String parentCode = "";
  String tenant = "";
  String storeId = "";
  int numberOfPeople = 0;
  String? vipLevelName;
  MemberVo? memberVo;
  MiniDetail? miniDetail;

  GlobalKey<ExtendedNestedScrollViewState> nestedScrollViewKey =
      GlobalKey<ExtendedNestedScrollViewState>();

  ///小程序token
  String? minToken;
  String? pName;
  String? pid;
  String? cName;
  String? cid;

  @override
  void initState() {
    super.initState();

    tableId = widget.arguments?["tableId"] ?? 0;
    tenant = widget.arguments?["tenant"];
    storeId = widget.arguments?["id"];

    tabcontroller = TabController(length: 1, vsync: this);

    debugPrint(
        "store_param  tableId:$tableId  tenant:$tenant  storeId:$storeId");

    SharedPreferences.getInstance().then((value) {
      apiService = ApiService(
        Dio(),
        context: context,
        token: value.getString('token') ?? "",
      );
      minLogin(value);
    });
  }

  /// 小程序登录
  minLogin(SharedPreferences shared) async {
    SmartDialog.showLoading(
      msg: S.of(context).zhengzaijiazai,
    );
    minToken = widget.arguments?["miniToken"];
    await queryStoreInfo();
    SharedPreferences.getInstance().then(
      (value) => {
        value.setString('minToken', minToken ?? ""),
        value.setString('tenant', tenant),
        value.setString('storeId', storeId),
      },
    );
    minService = MinApiService(
      Dio(),
      context: context,
      token: minToken ?? "",
      tenant: tenant,
      storeId: storeId,
    );

    queryMemberInfo();

    queryShopCar().then((value) {
      this.shopCarGoods = value;
      setState(() {});
    });
    if (tableId > 0) {
      getParentInfo();
    }
  }

  ///会员信息
  queryMemberInfo() async {
    BaseData? baseData = await minService?.memberInfo().catchError((error) {
      debugPrint("${error}");
      return Future.value(null);
    });
    if (baseData?.isSuccess ?? false) {
      SharedPreferences.getInstance().then(
        (value) => {
          value.setString('minMember', jsonEncode(baseData!.data)),
        },
      );
      memberVo = MemberVo.fromJson(baseData!.data);
    }
  }

  ///获取父订单（火锅订单加菜前调用）
  getParentInfo() async {
    BaseData? baseData =
        await minService?.getParentInfo("$tableId").catchError((error) {
      debugPrint("${error}");
      return Future.value(null);
    });
    if (baseData?.isSuccess ?? false) {
      if (baseData?.data != null) {
        parentId = baseData!.data["id"];
        parentCode = baseData.data["parentCode"];
      } else {
        ///TODO: 没有父订单，
        queryStoreInfo1();
      }
    }
  }

  ///获取桌子信息
  queryStoreInfo1() async {
    BaseData? baseData = await minService?.queryStoreInfo1({
      "getCoupon": true,
      "storeId": storeId,
      "tableId": tableId,
    }).catchError((error) {
      debugPrint("${error}");
      return Future.value(null);
    });
    if (baseData?.isSuccess ?? false) {
      StoreInfo storeInfo = StoreInfo.fromJson(baseData!.data);
      showPeopleNum(storeInfo.storeTable?.tableName);
    }
  }

  /// 查询店铺信息
  queryStoreInfo() async {
    BaseData<StoreInfo>? baseData =
        await apiService?.queryStoreInfo(storeId).catchError((error) {
      debugPrint("${error}");
      return BaseData<StoreInfo>()..isSuccess = false;
    });
    if ((baseData?.isSuccess ?? false) && baseData?.data != null) {
      storeInfo = baseData!.data;
      activitys = storeInfo?.informationVOPageVO?.list
          ?.map((e) => Activity.fromJson(e))
          .toList();
      if (mounted) {
        setState(() {});
      }
    }
  }

  RefreshController? refreshController;
  bool dialogShowing = false;

  @override
  Widget build(BuildContext context) {
    return PopScope(
      onPopInvoked: (isPop) {
        if (dialogShowing) {
          SmartDialog.dismiss();
        }
      },
      canPop: false,
      child: Container(
        color: Colors.white,
        child: Stack(
          children: [
            Positioned(
              left: 0,
              right: 0,
              top: 0,
              bottom: 54.h,
              child: ExtendedNestedScrollView(
                controller: controller,
                key: nestedScrollViewKey,
                dragStartBehavior: DragStartBehavior.start,
                scrollBehavior: ScrollBehavior(),
                floatHeaderSlivers: true,
                physics: ClampingScrollPhysics(),
                headerSliverBuilder: (BuildContext context, bool innerScrolled) {
                  return [
                    SliverAppBar(
                      expandedHeight:
                      (storeInfo?.couponVOList?.isNotEmpty ?? true)
                          ? 440.h
                          : 395.h,
                      pinned: true,
                      systemOverlayStyle: SystemUiOverlayStyle.dark,
                      flexibleSpace: FlexibleSpaceBar(
                        title: Title(
                          controller,
                          storeInfo?.storeName ?? '',
                              (alpha) {
                            // setState(() {
                            //   if (alpha == 1)
                            //     scrollPhysics = BouncingScrollPhysics();
                            //   else
                            //     scrollPhysics =
                            //         NeverScrollableScrollPhysics();
                            // });
                          },
                        ),
                        centerTitle: false,
                        titlePadding: EdgeInsets.symmetric(
                          vertical: 16,
                        ),
                        collapseMode: CollapseMode.pin,
                        stretchModes: [
                          StretchMode.zoomBackground,
                          // StretchMode.fadeTitle,
                          StretchMode.blurBackground,
                        ],
                        background: Container(
                          child: Stack(
                            children: [
                              Positioned.fill(
                                child: Column(
                                  children: [
                                    buildSwiper(),
                                    Spacer(),
                                  ],
                                ),
                                top: 0,
                                bottom: 0,
                                left: 0,
                                right: 0,
                              ),
                              Positioned(
                                top: 0,
                                left: 0,
                                right: 0,
                                child: Container(
                                  height: kToolbarHeight,
                                  decoration: BoxDecoration(
                                    gradient: LinearGradient(
                                      colors: [
                                        Colors.white.withAlpha(60),
                                        Colors.white.withAlpha(30),
                                        Colors.transparent,
                                      ],
                                      begin: Alignment.topCenter,
                                      end: Alignment.bottomCenter,
                                    ),
                                  ),
                                ),
                              ),
                              Positioned(
                                child: Container(
                                  decoration: BoxDecoration(
                                    borderRadius: BorderRadius.vertical(
                                      top: Radius.circular(18),
                                    ),
                                  ),
                                  child: StoreInfoView(
                                    storeInfo,
                                    widget.arguments?["distance"],
                                  ),
                                ),
                                top: 233.h,
                                bottom: 38.h,
                                left: 0,
                                right: 0,
                              ),
                              Positioned(
                                top: 40,
                                left: 10,
                                child: GestureDetector(
                                  behavior: HitTestBehavior.opaque,
                                  onTap: () {
                                    Navigator.of(context).pop();
                                  },
                                  child: Container(
                                    padding: EdgeInsets.all(10.h),
                                    child: Icon(
                                      Icons.arrow_back_ios,
                                      color: Colors.black,
                                      size: 24,
                                    ),
                                  ),
                                ),
                              )
                            ],
                          ),
                        ),
                      ),
                      backgroundColor: Colors.white,
                      centerTitle: false,
                      elevation: 0,
                      leadingWidth: 0,
                      automaticallyImplyLeading: false,
                      bottom: PreferredSize(
                        preferredSize: Size(
                          Get.width,
                          38.h,
                        ),
                        child: Container(
                          width: Get.width,
                          child: Theme(
                            data: ThemeData(
                              splashColor: Colors.transparent,
                              // 点击时的水波纹颜色设置为透明
                              highlightColor:
                              Colors.transparent, // 点击时的背景高亮颜色设置为透明
                            ),
                            child: Row(
                              children: [
                                20.vd,
                                Column(
                                  children: [
                                    Text(
                                      // Color(0xFF32A060),
                                      S.of(context).diandan,
                                      style: TextStyle(
                                        color: Colors.black,
                                        fontSize: 18.sp,
                                        fontWeight: FontWeight.bold,
                                      ),
                                    ),
                                    5.d,
                                    Container(
                                      width: 20,
                                      height: 3,
                                      decoration: BoxDecoration(
                                        borderRadius:
                                        BorderRadius.circular(2),
                                        color: Color(0xFF32A060),
                                      ),
                                    ),
                                    10.d,
                                  ],
                                ),
                                Spacer(),
                              ],
                            ),
                          ),
                        ),
                      ),
                    ),
                  ];
                },
                pinnedHeaderSliverHeightBuilder: () {
                  final double statusBarHeight =
                      MediaQuery.of(context).padding.top;
                  return statusBarHeight + kToolbarHeight + 38.h;
                },
                body: StoreOrderListPage(
                  widget.arguments,
                  activitys,
                  storeInfo,
                  shopCarGoods,
                  controller1,
                  controller2,
                  nestedScrollViewKey,
                  minToken,
                  tenant,
                  tableId,
                  _queryMiNiDetail,
                      () {
                    queryShopCar().then((value) {
                      this.shopCarGoods = value;
                      setState(() {});
                    });
                  },
                  scrollPhysics,
                ),
              ),
            ),
            Positioned(
              bottom: 30,
              left: 0,
              right: 0,
              child: Stack(
                alignment: Alignment.bottomLeft,
                children: [
                  Container(
                    margin: EdgeInsets.symmetric(horizontal: 14),
                    height: 45.h,
                    // color: Color(0xFFFAFAFA),
                    decoration: BoxDecoration(
                      color: Color(0xFF383A38),
                      borderRadius: BorderRadius.circular(100),
                    ),
                    child: Row(
                      mainAxisAlignment: MainAxisAlignment.spaceAround,
                      crossAxisAlignment: CrossAxisAlignment.center,
                      children: [
                        SizedBox(
                          width: 45.w,
                        ),
                        Text.rich(
                          TextSpan(children: [
                            TextSpan(
                              text: "￥ ",
                              style: TextStyle(
                                fontSize: 12.sp,
                                color: Color(0xFFFFFFFF),
                                fontWeight: MyFontWeight.bold,
                              ),
                            ),
                            TextSpan(
                              text: "${shopCarGoods?.cartSum ?? 0}",
                              style: TextStyle(
                                fontSize: 20.sp,
                                fontFamily: 'JDZhengHT',
                                color: Color(0xFFFFFFFF),
                                fontWeight: MyFontWeight.medium,
                              ),
                            ),
                          ]),
                        ),
                        Spacer(),
                        GestureDetector(
                          onTap: () {
                            if (AppUtils.compareTime(
                                    storeInfo?.openStartTime,
                                    DateFormat('HH:mm:ss')
                                        .format(DateTime.now())) &&
                                (!AppUtils.compareTime(
                                    storeInfo?.openEndTime,
                                    DateFormat('HH:mm:ss')
                                        .format(DateTime.now())))) {
                              toDownOrder();
                            } else
                              SmartDialog.showToast(
                                  "营业时间:${storeInfo?.openStartTime}-${storeInfo?.openEndTime}",
                                  alignment: Alignment.center);
                          },
                          child: RoundButton(
                            width: 103.w,
                            height: 54.h,
                            text: S.current.jiesuan,
                            textColor: Colors.white,
                            fontWeight: MyFontWeight.bold,
                            backgroup: Color(0xFF32A060),
                            radius: 100,
                            fontSize: 16.sp,
                            padding: EdgeInsets.symmetric(vertical: 5.h),
                          ),
                        ),
                      ],
                    ),
                  ),
                  Stack(
                    children: [
                      InkWell(
                        onTap: () {
                          if (count() != 0) showShoppingCart();
                        },
                        child: Image.asset(
                          "assets/image/shopping_bag.webp",
                          width: 66,
                          height: 66,
                          fit: BoxFit.fitWidth,
                        ),
                      ),
                      if (count() != 0)
                        Positioned(
                          right: 5,
                          // top: 14,
                          child: RoundButton(
                            width: 17.w,
                            height: 17.h,
                            text: "${count()}",
                            textColor: Colors.white,
                            fontWeight: MyFontWeight.regular,
                            backgroup: Color(0xFFF65720),
                            fontSize: 12.sp,
                            radius: 100,
                          ),
                        ),
                    ],
                  ),
                ],
              ),
            ),
          ],
        ),
      ),
    );
  }

  ///领取优惠券
  _receiveCoupon(couponId) async {
    BaseData? baseData = await apiService?.receiveCoupon(couponId);
    if (baseData?.isSuccess ?? false) {
      queryStoreInfo();
      showAlertDialog();
    }
  }

  /// 领取成功弹窗
  showAlertDialog() {
    //显示对话框
    showDialog(
      context: context,
      builder: (BuildContext context) {
        return ReceiveSuccess();
      },
    );
  }

  ///显示选择人数的弹窗
  showPeopleNum(String? tableName) async {
    var people = await showDialog(
      context: context,
      barrierDismissible: false,
      builder: (context) {
        return PeopleNumView(tableName ?? "");
      },
    );

    if (people != null && people > 0) {
      setState(() {
        this.numberOfPeople = people;
      });
    } else {
      Navigator.of(context).pop();
    }
  }

  ///计算个数
  int count() {
    if (shopCarGoods?.shoppingCartSkuItemList?.isEmpty ?? true) return 0;
    int count = 0;
    shopCarGoods?.shoppingCartSkuItemList?.forEach((element) {
      count += (element.buyNum ?? 0);
    });
    return count;
  }

  ///去下单结算页面
  toDownOrder() async {
    int num = count();

    if (parentId == "") {
      if (num == 0) {
        SmartDialog.showToast("请先选择您要购买的商品！～", alignment: Alignment.center);
        return;
      }
    }

    await Navigator.of(context).pushNamed(
      '/router/settlement',
      arguments: {
        "storeInfo": storeInfo,
        "tableId": tableId,
        "parentCode": parentCode,
        "parentId": parentId,
        // "pName": pName,
        "pid": pid,
        // "cName": cName,
        "cid": cid,
        "shoppingCart": shopCarGoods,
        "numberOfPeople": numberOfPeople,
        "distance": widget.arguments?["distance"],
        "vipLevelName": memberVo?.memberRankVo?.rankName ?? "",
        "isVips": memberVo?.isVip ?? false,
        "subscribeParam": miniDetail?.subscribeParam,
      },
    );

    if (miniDetail?.subscribeParam?.isEnableSubscribe ?? false) {
      clearShopCar();
      this.shopCarGoods = await queryShopCar();
    }

    if (tableId > 0) {
      getParentInfo();
    }
    queryShopCar().then((value) {
      this.shopCarGoods = value;
      setState(() {});
    });
  }

  Widget buildSwiper() {
    return Container(
      width: double.infinity,
      height: 240.h,
      child: Swiper(
        pagination: SwiperPagination(
          alignment: Alignment.bottomCenter,
          builder: DotSwiperPaginationBuilder(
            size: 8.w,
            activeSize: 8.w,
            space: 5.w,
            activeColor: Colors.white,
            color: Colors.white.withAlpha(76),
          ),
          margin: EdgeInsets.only(bottom: 13.h),
        ),
        autoplay: storeInfo?.bannerList?.isNotEmpty ?? false,
        duration: 1000,
        autoplayDelay: 2000,
        itemBuilder: (context, position) {
          return Container(
            child: MImage(
              (position < (storeInfo?.bannerList?.length ?? 0))
                  ? (storeInfo?.bannerList![position].imgUrl ?? "")
                  : "",
              height: 230.h,
              width: double.infinity,
              fit: BoxFit.cover,
              radius: BorderRadius.zero,
              errorSrc: "assets/image/default_2_1.webp",
              fadeSrc: "assets/image/default_2_1.webp",
            ),
          );
        },
        itemCount: storeInfo?.bannerList?.length ?? 1,
      ),
    );
  }

  /// 购物车的key,用于刷新UI
  GlobalKey shopCartKey = GlobalKey();

  ///购物车弹窗
  showShoppingCart() {
    queryShopCar().then((value) {
      this.shopCarGoods = value;
      dialogShowing = true;
      SmartDialog.show(
        builder: (ctx) {
          return ShopCar(
            shopCartKey,
            this.shopCarGoods,
            clearShopCar,
            toDownOrder,
            shopCartAdd,
            shopCartReduce,
          );
        },
        onDismiss: () {
          dialogShowing = false;
        },
        alignment: Alignment.bottomCenter,
      );
    });
  }

  ///清空购物车
  clearShopCar() async {
    BaseData<bool>? baseData =
        await minService?.clearShoppingCart(num.parse(storeId));
    if (baseData?.isSuccess ?? false) {
      shopCarGoods = null;
      setState(() {});
    }
  }

  ///选规格
  _queryMiNiDetail(String id, int count) async {
    SmartDialog.showLoading(
      msg: S.current.zhengzaijiazai,
    );
    if (count < 0) {
      shopCarGoods?.shoppingCartSkuItemList?.forEach((element) async {
        if (element.productId == id) {
          await shopCartReduce(element);
          setState(() {});
        }
      });
      return;
    }
    BaseData<MiniDetail>? baseData = await minService?.miNiDetail(id);
    SmartDialog.dismiss();
    if (baseData?.isSuccess ?? false) {
      miniDetail = baseData!.data;
      if (baseData.data != null) {
        showStoreSelector(baseData.data!, id, count);
      }
    }
  }

  ///选规格弹窗
  showStoreSelector(MiniDetail miniDetail, String? id, int count) async {
    if (miniDetail.attrStyle == 0) {
      _addShopCar(miniDetail, [], count);
    } else {
      SmartDialog.dismiss();
      dialogShowing = true;
      showModalBottomSheet(
        backgroundColor: Colors.transparent,
        context: context,
        isDismissible: false,
        builder: (_) {
          return ProductSku(
            miniDetail,
            shopCarGoods,
            id,
            _addShopCar,
            add,
            reduce,
          );
        },
      );
    }
  }

  ///添加购物车
  Future _addShopCar(MiniDetail? miniDetail, selectSkus, int count) async {
    ProductSkuVOList? productSku;
    if (selectSkus != null && selectSkus.length == 0) {
      productSku = miniDetail?.productSkuVOList?.first;
    } else {
      productSku = miniDetail?.productSkuVOList?.firstWhere((element) {
        bool gg = true;
        selectSkus.forEach((element1) {
          if ((element.skuNameStr?.indexOf(element1) ?? 0) < 0) {
            gg = false;
            return gg;
          }
        });
        return gg;
      });
    }
    String? skuId = productSku?.id;
    String skuValue = selectSkus
        .toString()
        .replaceAll("[", "")
        .replaceAll("]", "")
        .replaceAll(",", "");

    if (miniDetail?.subscribeParam?.isEnableSubscribe ?? false) {
      clearShopCar();
    }

    BaseListData<ShoppingCart>? baseDate = await minService?.addShoppingCart({
      "storeId": storeInfo?.id,
      "storeName": storeInfo?.storeName ?? "",
      "numberOfPeople": numberOfPeople,
      "tableId": tableId,
      "parentId": parentId,
      "parentCode": parentCode,
      "shoppingCartSkuItemList": [
        {
          "buyNum": count,
          "id": skuId,
          "productId": miniDetail?.id,
          "productName": miniDetail?.productName,
          "skuName": skuValue,
          "storeId": storeInfo?.id,
          "skuPrice": productSku?.skuPrice,
          "skuStock": productSku?.skuStock,
          "tableId": tableId,
        },
      ],
    }).catchLEr<ShoppingCart>();
    // SmartDialog.dismiss();
    if (baseDate?.isSuccess ?? false) {
      this.shopCarGoods = await queryShopCar();
      if (miniDetail?.subscribeParam?.isEnableSubscribe ?? false) toDownOrder();
      setState(() {});
    } else {
      SmartDialog.showToast("${baseDate?.msg}", alignment: Alignment.center);
    }
  }

  ///查询购物车
  Future<ShoppingCart?> queryShopCar() async {
    pName = ""; //活动
    pid = ""; //活动
    cName = ""; //优惠券
    cid = ""; //优惠券
    if (storeInfo?.posType?.code == "NORMALSTORE" && tableId == 0) {
      return null;
    }
    BaseListData<ShoppingCart>? baseDate =
        await minService?.getShoppingCart(tableId);
    if ((baseDate?.isSuccess ?? false) && (baseDate!.data?.length ?? 0) > 0) {
      if (baseDate.data![0].selectDiscount == 1) {
        baseDate.data![0].couponList?.forEach((element) {
          if (element.isMaxCoupon ?? false) {
            // cName = element.promotionName;
            cid = element.id;
          }
        });
      } else if (baseDate.data![0].selectDiscount == 2) {
        baseDate.data![0].promotionInfoList?.forEach((element) {
          if (element.isMaxPromotion ?? false) {
            // pName = element.name;
            pid = element.id;
          }
        });
      }
      return baseDate.data![0];
    } else {
      return null;
    }
  }

  ///购物车➕1
  Future<ShoppingCart?> shopCartAdd(SkuItemList cartSkuItem) async {
    Map<String, dynamic> shopCarTemp = shopCarGoods?.toJson() ?? {};
    cartSkuItem.buyNum = (cartSkuItem.buyNum ?? 0) + 1;
    shopCarTemp["shoppingCartSkuItemList"] = [cartSkuItem.toJson()];
    BaseListData<ShoppingCart>? baseDate =
        await minService?.shoppingCartSingle(shopCarTemp);
    if (baseDate?.isSuccess ?? false) {
      this.shopCarGoods = await queryShopCar();
      if (shopCartKey != null) {
        shopCartKey.currentState?.setState(() {});
      }
    } else {
      this.shopCarGoods = await queryShopCar();
      if (shopCartKey != null) {
        shopCartKey.currentState?.setState(() {});
      }
      if (baseDate != null && baseDate.msg != null && baseDate.msg != "") {
        SmartDialog.showToast(
          "${baseDate.msg}",
          alignment: Alignment.center,
        );
      }
    }
    setState(() {});
    return this.shopCarGoods;
  }

  ///购物车➖1
  Future<ShoppingCart?> shopCartReduce(SkuItemList cartSkuItem) async {
    Map<String, dynamic> shopCarTemp = shopCarGoods?.toJson() ?? {};
    cartSkuItem.buyNum = (cartSkuItem.buyNum ?? 0) - 1;
    shopCarTemp["shoppingCartSkuItemList"] = [cartSkuItem.toJson()];
    BaseListData<ShoppingCart>? baseDate =
        await minService?.shoppingCartSingle(shopCarTemp);
    if (baseDate?.isSuccess ?? false) {
      SmartDialog.dismiss();
      this.shopCarGoods = await queryShopCar();
      if (shopCartKey.currentState != null) {
        shopCartKey.currentState!.setState(() {});
      }
      setState(() {});
    }
    return this.shopCarGoods;
  }

  ///商品➕1
  add(MiniDetail miniDetail, selectSkus) async {
    ProductSkuVOList? productSku =
        miniDetail.productSkuVOList?.firstWhere((element) {
      return skuY(element, selectSkus);
    });
    String? skuId = productSku?.id;
    int shopSkuIndex = shopCarGoods?.shoppingCartSkuItemList
            ?.indexWhere((element) => skuId == element.id) ??
        -1;
    Map<String, dynamic>? shopCarTemp = shopCarGoods?.toJson();
    shopCarGoods?.tableId = "$tableId";

    if (shopSkuIndex >= 0) {
      int buy =
          shopCarGoods?.shoppingCartSkuItemList?[shopSkuIndex].buyNum ?? 0;
      shopCarGoods?.shoppingCartSkuItemList?[shopSkuIndex].buyNum = (buy + 1);
      SkuItemList? cartSkuItem = shopCarGoods?.shoppingCartSkuItemList
          ?.firstWhere((element) => skuId == element.id);
      shopCarTemp?["shoppingCartSkuItemList"] = [cartSkuItem?.toJson()];
    } else {
      await _addShopCar(miniDetail, selectSkus, 1);
      return;
    }

    BaseListData<ShoppingCart>? baseDate =
        await minService?.shoppingCartSingle(shopCarTemp ?? {});
    if (baseDate?.isSuccess ?? false) {
      this.shopCarGoods = await queryShopCar();
      debugPrint("count.toString()");
      setState(() {});
    } else {
      SmartDialog.showToast("${baseDate?.msg}", alignment: Alignment.center);
    }
  }

  ///商品➖1
  reduce(MiniDetail miNiDetail, selectSkus) async {
    ProductSkuVOList? productSku =
        miNiDetail.productSkuVOList?.firstWhere((element) {
      return skuY(element, selectSkus);
    });
    String? skuId = productSku?.id;
    SkuItemList? shopSkuItem = shopCarGoods?.shoppingCartSkuItemList
        ?.firstWhere((element) => skuId == element.id);
    int shopSkuIndex = shopCarGoods?.shoppingCartSkuItemList
            ?.indexWhere((element) => skuId == element.id) ??
        -1;

    if ((shopSkuItem?.buyNum ?? 0) > 1) {
      int butNum =
          shopCarGoods?.shoppingCartSkuItemList?[shopSkuIndex].buyNum ?? 0;
      shopCarGoods?.shoppingCartSkuItemList?[shopSkuIndex].buyNum = butNum - 1;
    }
    shopCarGoods?.tableId = "$tableId";

    Map<String, dynamic>? shopCarTemp = shopCarGoods?.toJson();
    SkuItemList? cartSkuItem = shopCarGoods?.shoppingCartSkuItemList
        ?.firstWhere((element) => skuId == element.id);
    shopCarTemp?["shoppingCartSkuItemList"] = [cartSkuItem?.toJson()];

    BaseListData<ShoppingCart>? baseDate =
        await minService?.shoppingCartSingle(shopCarTemp ?? {});
    if (baseDate?.isSuccess ?? false) {
      queryShopCar().then((value) {
        this.shopCarGoods = value;
        setState(() {});
      });
    } else {
      SmartDialog.showToast(baseDate?.msg ?? "", alignment: Alignment.center);
    }
  }

  bool skuY(ProductSkuVOList productSku, selectSkus) {
    bool gg = true;
    selectSkus.forEach((element1) {
      if ((productSku.skuNameStr?.indexOf(element1) ?? 0) < 0) {
        gg = false;
        return gg;
      }
    });
    return gg;
  }

  final ScrollController controller1 = ScrollController();
  final ScrollController controller2 = ScrollController();
  Drag? _drag;

}

class Title extends StatefulWidget {
  final ScrollController controller;
  final String title;
  final Function scrollChange;

  Title(this.controller, this.title, this.scrollChange);

  @override
  State<StatefulWidget> createState() {
    return _Title();
  }
}

class _Title extends State<Title> {
  double alpha = 0;

  @override
  void initState() {
    super.initState();
    widget.controller.addListener(() {
      double maxScrollExtent = widget.controller.position.maxScrollExtent;
      double alphaHeight = kToolbarHeight + 38.h;
      double alphaProgress = maxScrollExtent - widget.controller.offset;
      // debugPrint("controller.offset: ${widget.controller.offset}");
      double alphaTemp = 0;
      if (alphaProgress <= 1) {
        alphaTemp = 1;
      } else if (alphaProgress <= alphaHeight) {
        alphaTemp =
            (((alphaHeight - alphaProgress) / alphaHeight) > 0.5) ? 1 : 0;
      } else {
        alphaTemp = 0;
      }
      // debugPrint("alpha: $alpha");
      if (alpha != alphaTemp && mounted) {
        alpha = alphaTemp;
        widget.scrollChange(alpha);
        setState(() {});
      }
    });
  }

  @override
  Widget build(BuildContext context) {
    return Container(
      alignment: Alignment.centerLeft,
      child: alpha == 0
          ? null
          : Row(
              children: [
                GestureDetector(
                  behavior: HitTestBehavior.opaque,
                  onTap: () {
                    Navigator.of(context).pop();
                  },
                  child: Container(
                    margin: EdgeInsets.only(left: 10.w),
                    padding: EdgeInsets.all(10.h),
                    child: Icon(
                      Icons.arrow_back_ios,
                      color: Colors.black,
                      size: 24,
                    ),
                  ),
                ),
                Text(
                  widget.title ?? "",
                  style: TextStyle(
                    color: Colors.black,
                    fontWeight: FontWeight.bold,
                    fontSize: 18.sp,
                  ),
                ),
              ],
            ),
    );
  }
}