huixiang_app/lib/message/system_notice.dart

import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:huixiang/generated/l10n.dart';
import 'package:huixiang/data/base_data.dart';
import 'package:huixiang/data/message.dart';
import 'package:huixiang/data/page.dart';
import 'package:huixiang/retrofit/retrofit_api.dart';
import 'package:huixiang/utils/font_weight.dart';
import 'package:huixiang/view_widget/classic_header.dart';
import 'package:huixiang/view_widget/my_footer.dart';
import 'package:huixiang/view_widget/no_data_view.dart';
import 'package:pull_to_refresh/pull_to_refresh.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';

class SystemNotice extends StatefulWidget {
  @override
  State<StatefulWidget> createState() {
    return _SystemNotice();
  }
}

class _SystemNotice extends State<SystemNotice> {
  ApiService? apiService;
  int pageNum = 1;
  List<Message> messages = [];
  int msgType = 0;

  // String parenId = "0";
  var commentFocus = FocusNode();
  String hintText = S.current.liuxianinjingcaidepinglunba;
  bool isKeyBoardShow = false;
  final GlobalKey commentKey = GlobalKey();
  final GlobalKey inputKey = GlobalKey();
  final TextEditingController commentTextController = TextEditingController();
  int indexMsg = 0;

  @override
  void initState() {
    super.initState();
    // msgType = widget.arguments["msgType"];

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

  _refresh() {
    pageNum = 1;
    queryMessage();
  }

  queryMessage() async {
    BaseData<PageInfo<Message>>? baseData = await apiService?.msgList({
      "pageNum": pageNum,
      "pageSize": 10,
      "searchKey": "",
      "state": "",
      "typed": ""
    }).catchError((onError) {
      _refreshController.loadFailed();
      _refreshController.refreshFailed();
    });

    if (baseData?.isSuccess ?? false) {
      if (pageNum == 1) {
        messages.clear();
      }
      List<Message> message = [];
      message.addAll(baseData?.data?.list ?? []);
      message.forEach((element) {
        if (element.typed == 2 || element.typed == 3) {
          messages.add(element);
        }
      });
      _refreshController.loadComplete();
      _refreshController.refreshCompleted();
      if (mounted) setState(() {});
      if (pageNum * 10 > (int.tryParse("${baseData?.data?.total}") ?? 0)) {
        _refreshController.loadNoData();
      } else {
        pageNum += 1;
      }
    } else {
      _refreshController.loadFailed();
      _refreshController.refreshFailed();
    }
  }

  RefreshController _refreshController = RefreshController();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: SmartRefresher(
        enablePullDown: true,
        enablePullUp: true,
        header: MyHeader(),
        physics: BouncingScrollPhysics(),
        footer: CustomFooter(
          loadStyle: LoadStyle.ShowWhenLoading,
          builder: (BuildContext context, LoadStatus? mode) {
            return (messages.length == 0) ? Container() : MyFooter(mode);
          },
        ),
        controller: _refreshController,
        onRefresh: _refresh,
        onLoading: () {
          queryMessage();
        },
        child: Container(
          child: SingleChildScrollView(
            physics: BouncingScrollPhysics(),
            child: Container(
              child: Column(
                children: [
                  Container(
                    color: Colors.white,
                    padding: EdgeInsets.only(
                        top: MediaQuery.of(context).padding.top + 10.h,
                        bottom: 10.h,
                        right: 16.w),
                    child: Row(
                      children: [
                        GestureDetector(
                          behavior: HitTestBehavior.opaque,
                          onTap: () {
                            Navigator.of(context).pop();
                          },
                          child: Container(
                            alignment: Alignment.centerRight,
                            margin: EdgeInsets.only(
                              left: 12,
                            ),
                            padding: EdgeInsets.all(6),
                            child: Icon(
                              Icons.arrow_back_ios,
                              color: Colors.black,
                              size: 24,
                            ),
                          ),
                        ),
                        Text(
                          "消息通知",
                          style: TextStyle(
                            color: Colors.black,
                            fontSize: 18.sp,
                            fontWeight: MyFontWeight.bold,
                          ),
                        ),
                      ],
                    ),
                  ),
                  buildMessage()
                ],
              ),
            ),
          ),
        ),
      ),
    );
  }

  Widget buildMessage() {
    return Container(
        color: Colors.white,
        width: double.infinity,
        child: Column(
          mainAxisAlignment: MainAxisAlignment.spaceAround,
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            (messages.length == 0)
                ? NoDataView(
                    src: "assets/image/icon_empty.webp",
                    isShowBtn: false,
                    text: S.of(context).haimeiyouxiaoxi,
                    fontSize: 16.sp,
                    margin: EdgeInsets.only(top: 120.h),
                  )
                : ListView.builder(
                    padding: EdgeInsets.only(top: 16),
                    itemCount: messages.length,
                    shrinkWrap: true,
                    physics: NeverScrollableScrollPhysics(),
                    itemBuilder: (context, position) {
                      return GestureDetector(
                        behavior: HitTestBehavior.opaque,
                        onTap: () {
                          if (messages[position].typed == 2)
                            Navigator.of(context).pushNamed(
                                '/router/system_details',
                                arguments: {"msgType": 2});
                          else if (messages[position].typed == 3)
                            Navigator.of(context).pushNamed(
                                '/router/system_details',
                                arguments: {"msgType": 3});
                        },
                        child: buildMessageItem(messages[position]),
                      );
                    }),
          ],
        ));
  }

  Widget buildMessageItem(Message message) {
    return Container(
      margin: EdgeInsets.only(top: 8.h, bottom: 8.h, left: 16.w, right: 17.w),
      child: Column(
        mainAxisAlignment: MainAxisAlignment.spaceBetween,
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Row(
            mainAxisAlignment: MainAxisAlignment.spaceBetween,
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Image.asset(
                (message.typed == 1)
                    ? "assets/image/icon_order.webp"
                    : (message.typed == 2)
                        ? "assets/image/icon_order.webp"
                        : "assets/image/icon_cz.webp",
                width: 24.w,
                height: 24.h,
              ),
              SizedBox(
                width: 8.w,
              ),
              Expanded(
                child: Column(
                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
                    Row(
                      children: [
                        Expanded(
                            child: Text(
                          (message.typed == 1)
                              ? S.of(context).xitongtongzhi
                              : (message.typed == 2)
                                  ? S.of(context).dingdanxiaoxi
                                  : S.of(context).chongzhixiaoxi,
                          style: TextStyle(
                            fontSize: 14.sp,
                            fontWeight: MyFontWeight.semi_bold,
                            color: Color(0xFF060606),
                          ),
                        )),
                        Text(
                          message.updateTime ?? "",
                          style: TextStyle(
                            fontSize: 10.sp,
                            color: Color(0xFFA29E9E),
                          ),
                        ),
                      ],
                    ),
                    SizedBox(
                      height: 24.h,
                    ),
                    (message.typed != 3)
                        ? Row(
                            mainAxisAlignment: MainAxisAlignment.center,
                            // crossAxisAlignment: CrossAxisAlignment.start,
                            children: [
                              Expanded(
                                child: Text(
                                  S.of(context).ninyouyigexindedingdan,
                                  style: TextStyle(
                                    fontSize: 12.sp,
                                    color: Color(0xFF353535),
                                  ),
                                ),
                              ),
                              Icon(
                                Icons.keyboard_arrow_right,
                                size: 24,
                              ),
                            ],
                          )
                        : Row(
                            mainAxisAlignment: MainAxisAlignment.center,
                            crossAxisAlignment: CrossAxisAlignment.end,
                            children: [
                              Expanded(
                                child: Text(
                                  message.content ?? "",
                                  style: TextStyle(
                                    fontSize: 12.sp,
                                    color: Color(0xFF353535),
                                  ),
                                ),
                              ),
                              Icon(
                                Icons.keyboard_arrow_right,
                                size: 24,
                              ),
                            ],
                          ),
                    Container(
                      margin: EdgeInsets.only(top: 16.h, bottom: 8.h),
                      height: 1.h,
                      width: double.infinity,
                      color: Color(0xFFF7F7F7),
                    ),
                  ],
                ),
              ),
            ],
          ),
        ],
      ),
    );
  }
}