huixiang_app/lib/mine/coupons_page.dart

import 'package:dio/dio.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:fluttertoast/fluttertoast.dart';
import 'package:huixiang/generated/l10n.dart';
import 'package:huixiang/retrofit/data/base_data.dart';
import 'package:huixiang/retrofit/data/coupon.dart';
import 'package:huixiang/retrofit/data/page.dart';
import 'package:huixiang/retrofit/retrofit_api.dart';
import 'package:huixiang/view_widget/coupon_widget.dart';
import 'package:pull_to_refresh/pull_to_refresh.dart';
import 'package:shared_preferences/shared_preferences.dart';

class CouponsPage extends StatefulWidget {
  @override
  State<StatefulWidget> createState() {
    return _CouponsPage();
  }
}

class _CouponsPage extends State<CouponsPage> {
  RefreshController _refreshController;

  ApiService apiService;

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

    SharedPreferences.getInstance().then((value) => {
      apiService = ApiService(Dio(), token: value.getString('token')),
      queryCard(),
    });

    _refreshController = RefreshController(initialRefresh: false);
  }

  int pageNum = 1;
  List<Coupon> coupons = [];

  void _onRefresh() async {
    pageNum = 1;
    queryCard();
  }

  queryCard() async {
    BaseData baseData = await apiService.queryCard({
      "centre": true,
      "pageNum": pageNum,
      "pageSize": 10,
      "searchKey": "",
      "state": 3
    }).catchError((error) {
      _refreshController.loadFailed();
      _refreshController.refreshFailed();
    });
    if (baseData.isSuccess) {
      PageInfo pageInfo = PageInfo.fromJson(baseData.data);
      if (pageNum == 1) {
        coupons.clear();
      }
      coupons.addAll(pageInfo.list.map((e) => Coupon.fromJson(e)));
      setState(() {
        _refreshController.refreshCompleted();
        _refreshController.loadComplete();
        if (pageInfo.pageNum == pageInfo.pages) {
          _refreshController.loadNoData();
        } else {
          pageNum += 1;
        }
      });
    } else {
      _refreshController.loadFailed();
      _refreshController.refreshFailed();
      Fluttertoast.showToast(msg: baseData.msg);
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Container(
        child: Row(
                children: [
                  Container(
                    width: 68,
                    height: 26,
                    alignment: Alignment.center,
                    margin: EdgeInsets.only(left: 16, right: 12, top: 10, bottom: 14),
                    decoration:BoxDecoration(
                      borderRadius: BorderRadius.all(Radius.circular(2)),
                      color: Colors.white,
                    ),
                    child:GestureDetector(
                      onTap: (){

                      },
                      child: Text(
                        S.of(context).keyongquan,
                        style:TextStyle(
                          fontSize: 14,
                          fontWeight:FontWeight.bold,
                          color: Colors.black,
                        ),
                      ),
                    ),
                  ),
                  Container(
                    width: 68,
                    height: 26,
                    alignment: Alignment.center,
                    margin: EdgeInsets.only(left: 16, top: 10, bottom: 14),
                    decoration:BoxDecoration(
                      borderRadius: BorderRadius.all(Radius.circular(2)),
                      color: Color(0xffE5E5E5),
                    ),
                    child:
                    GestureDetector(
                      onTap: (){
                        Navigator.of(context).pushNamed('/router/mine_card_invalid');
                      },
                      child: Text(
                        S.of(context).shixiaoquan,
                        style:TextStyle(
                          fontSize: 14,
                          color: Color(0xff727272),
                        ),
                      ),
                    ),
                  ),
                ],
              ),
      ),
    );
  }

  Widget vipCardItem() {
    return Container(
      margin: EdgeInsets.fromLTRB(16, 8, 16, 8),
      // margin: EdgeInsets.all(16),
      child: Stack(
        // alignment: Alignment.center,
        children: [
          Image.asset(
            "assets/image/icon_vip_bj.png",
            fit: BoxFit.contain, //填充剩余空间
            height: 185,
          ),
          Container(
            padding: EdgeInsets.only(left: 16,right: 16),
            child:Column(
              mainAxisAlignment: MainAxisAlignment.start,
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                SizedBox(height: 16),
                Row(
                  children: [
                    ClipOval(
                      child:Image.asset(
                        "assets/image/icon_vip_name.png",
                      ),
                      clipBehavior: Clip.hardEdge,
                    ),
                    SizedBox(
                      width: 12,
                    ),
                    Expanded(
                      child: Container(
                        height: 54,
                        child: Column(
                          mainAxisAlignment:
                          MainAxisAlignment.spaceEvenly,
                          crossAxisAlignment: CrossAxisAlignment.start,
                          children: [
                            Row(
                              mainAxisAlignment: MainAxisAlignment.spaceBetween,
                              crossAxisAlignment: CrossAxisAlignment.center,
                              children: [
                                Text(
                                  "百年川椒火锅店",
                                  overflow: TextOverflow.ellipsis,
                                  maxLines: 2,
                                  style: TextStyle(
                                    fontSize: 20,
                                    color: Colors.white,
                                  ),
                                ),
                                Image.asset(
                                  "assets/image/icon_vip.png",
                                ),
                              ],
                            ),
                            Text.rich(
                              TextSpan(children: [
                                TextSpan(
                                  text: "会员卡",
                                  style: TextStyle(
                                      fontSize: 12,
                                      color: Colors.white),
                                ),
                              ]),
                              textDirection: TextDirection.ltr,
                            ),
                          ],
                        ),
                      ),
                      flex: 1,
                    )
                  ],
                ),
                SizedBox(height: 50),
                Row(
                  textDirection: TextDirection.rtl,
                  children: [
                    Image.asset(
                      "assets/image/icon_right.png",
                    ),
                    Text.rich(
                      TextSpan(children: [
                        TextSpan(
                          text: "查看详情",
                          style: TextStyle(fontSize: 12, color: Colors.white),
                        ),
                      ]),
                    ),
                  ],
                ),
                SizedBox(
                  height: 10,
                ),
                Row(
                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                  crossAxisAlignment: CrossAxisAlignment.center,
                  children: [
                    Expanded(
                      flex: 1,
                      child: Text.rich(
                        TextSpan(children: [
                          TextSpan(
                            text: "No.202107021324199",
                            style: TextStyle(fontSize: 14, color: Colors.white),
                          ),
                        ]),
                      ),
                    ),
                    Text.rich(
                      TextSpan(children: [
                        TextSpan(
                          text: "有效期限:",
                          style: TextStyle(fontSize: 12, color: Colors.white),
                        ),
                      ]),
                    ),
                    Text.rich(
                      TextSpan(children: [
                        TextSpan(
                          text: "长期有效",
                          style: TextStyle(fontSize: 12, color: Colors.white),
                        ),
                      ]),
                    ),
                  ],
                ),
              ],
            ),
          ),
        ],
      ),
    );
  }

}