huixiang_app/lib/home/home_view/quick_order.dart

import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:flutter_baidu_mapapi_base/flutter_baidu_mapapi_base.dart';
import 'package:flutter_baidu_mapapi_map/flutter_baidu_mapapi_map.dart';
import 'package:flutter_baidu_mapapi_utils/flutter_baidu_mapapi_utils.dart';
import 'package:flutter_svg/flutter_svg.dart';
import 'package:huixiang/utils/location.dart';
import 'package:huixiang/retrofit/data/base_data.dart';
import 'package:huixiang/retrofit/data/store.dart';
import 'package:huixiang/retrofit/retrofit_api.dart';
import 'package:huixiang/utils/font_weight.dart';
import 'package:huixiang/view_widget/custom_image.dart';
import 'package:huixiang/view_widget/item_title.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:shared_preferences/shared_preferences.dart';

class QuickOrder extends StatefulWidget {
  @override
  State<StatefulWidget> createState() {
    return _QuickOrder();
  }
}

class _QuickOrder extends State<QuickOrder> {
  ApiService apiService;
  List<Store> storeList;
  BMFCoordinate latLng;

  BMFMapController _mapController;
  final TextEditingController editingController = TextEditingController();

  @override
  void initState() {
    super.initState();
    getLatLng();
    startLocation();
  }

  ///门店列表
  queryStore(latitude, longitude, province, city, district, searchKey) async {
    BaseData<List<Store>> baseData = await apiService.queryStore({
      // "city": city,
      // "district": district,
      // "province": province,
      "latitude": latitude,
      "longitude": longitude,
      "searchKey": searchKey
    }).catchError((error) {
    });
    if (baseData != null && baseData.isSuccess) {
      storeList = baseData.data;
    }
    setState(() {});
  }

  getLatLng() async {
    SharedPreferences.getInstance().then(
          (value) => {
        apiService = ApiService(Dio(),
            context: context,
            token: value.getString('token'),
            showLoading: false),
        if (value.containsKey("latitude") &&
            value.containsKey("longitude") &&
            value.containsKey("province") &&
            value.containsKey("city") &&
            value.containsKey("district"))
          {
            latLng = BMFCoordinate(double.tryParse(value.getString("latitude")),
                double.tryParse(value.getString("longitude"))),
            queryStore(
              value.getString("latitude"),
              value.getString("longitude"),
              value.getString("province"),
              value.getString("city"),
              value.getString("district"),
              editingController.text,
            ),
            setState(() {
              if (_mapController != null) {
                _mapController.updateMapOptions(BMFMapOptions(
                  center: latLng,
                  zoomLevel: 15,
                ));
              }
            })
          }
        else
          {
            queryStore("", "", "", "", "", editingController.text),
          }
      },
    );
  }

  startLocation() async {
    Location.getInstance()
        .aMapFlutterLocation
        .onResultCallback()
        .listen((event) {
      if (event != null &&
          event["latitude"] != null &&
          event["longitude"] != null) {
        print("location: $event");
        if (event["latitude"] is String && event["longitude"] is String) {
          latLng = BMFCoordinate(double.tryParse(event["latitude"]),
              double.tryParse(event["longitude"]));
        } else {
          latLng = BMFCoordinate(event["latitude"], event["longitude"]);
        }
        BMFCalculateUtils.coordConvert(
            coordinate: latLng,
            fromType: BMF_COORD_TYPE.BD09LL,
            toType: BMF_COORD_TYPE.COMMON)
            .then((value) {
          this.latLng = value;
          saveLatLng(
              value, event["province"], event["city"], event["district"]);
          print("union: Location result ${value.latitude}  "
              "${value.longitude}");
          Location.getInstance().stopLocation();
          queryStore(
              "${value.latitude}",
              "${value.longitude}",
              event["province"],
              event["city"],
              event["district"],
              editingController.text);
          if (_mapController != null)
            _mapController.updateMapOptions(BMFMapOptions(
              center: value,
              zoomLevel: 15,
            ));
        });
      }
    });

    Location.getInstance().prepareLoc();
    Location.getInstance().startLocation(context).then((value) {
    });
  }

  saveLatLng(BMFCoordinate latLng, province, city, district) async {
    SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setString("latitude", "${latLng.latitude}");
    await prefs.setString("longitude", "${latLng.longitude}");
    if (province != null) await prefs.setString("province", province);
    if (city != null) await prefs.setString("city", city);
    if (district != null) await prefs.setString("district", district);
  }

  @override
  Widget build(BuildContext context) {
    return Column(
      children: [
        ItemTitle(
          text: "快捷下单",
          imgPath: "assets/image/icon_points_mall.png",
        ),
        Container(
          height: 170,
          margin: EdgeInsets.only(top: 10),
          child: ListView.builder(
            scrollDirection: Axis.horizontal,
            physics: BouncingScrollPhysics(),
            padding: EdgeInsets.symmetric(horizontal: 10),
            itemCount:storeList == null ? 0 : storeList.length,
            itemBuilder: (context, position) {
              return GestureDetector(
                onTap: () {
                  Navigator.of(context).pushNamed(
                    '/router/store_order',
                    arguments: {
                      "id": storeList[position].id,
                      "tenant": storeList[position].tenantCode,
                      "storeName": storeList[position].storeName
                    },
                  );
                },
                child: storeItem(storeList[position],position),
              );
            },
          ),
        ),
      ],
    );
  }

  Widget storeItem(Store store,position) {
    return Container(
      width: 160,
      height: 160,
      margin: EdgeInsets.symmetric(
        horizontal: 6.w,
        vertical: 3,
      ),
      decoration: BoxDecoration(
        borderRadius: BorderRadius.circular(4.w),
        boxShadow: [
          BoxShadow(
            color: Color(0x08000000),
            offset: Offset(0, 3),
            blurRadius: 14,
            spreadRadius: 0,
          ),
        ],
      ),
      child: Stack(
        children: [
          Positioned(
            top: 0,
            left: 0,
            right: 0,
            child: ClipRRect(
              child: MImage(
                store.facade,
                width: double.infinity,
                height: 95,
                fit: BoxFit.cover,
                errorSrc: "assets/image/default_1.png",
                fadeSrc: "assets/image/default_1.png",
              ),
              borderRadius: BorderRadius.vertical(
                top: Radius.circular(4),
              ),
            ),
          ),
          Positioned(
            bottom: 0,
            left: 0,
            right: 0,
            child: SvgPicture.asset(
              "assets/svg/kuaijiexiadan_bg.svg",
              width: double.infinity,
              height: 95,
              fit: BoxFit.fill,
            ),
          ),
          Positioned(
            bottom: 0,
            left: 0,
            right: 0,
            child: Container(
              height: 95,
              child: Column(
                mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                crossAxisAlignment: CrossAxisAlignment.center,
                children: [
                  MImage(
                    store.logo,
                    width: 32,
                    height: 32,
                    fit: BoxFit.cover,
                    errorSrc: "assets/image/default_1.png",
                    fadeSrc: "assets/image/default_1.png",
                  ),
                  Text(
                    store.storeName,
                    style: TextStyle(
                      fontSize: 14.sp,
                      fontWeight: MyFontWeight.medium,
                      color: Colors.black,
                    ),
                  ),
                  Text(
                    store?.remark ??"",
                    style: TextStyle(
                      fontSize: 10.sp,
                      fontWeight: MyFontWeight.medium,
                      color: Color(0xFF868686),
                    ),
                  ),
                  SizedBox(
                    height: 5,
                  ),
                ],
              ),
            ),
          ),
        ],
      ),
    );
  }
}