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- import 'package:plugin_platform/http/http_result.dart';
- import 'package:riverpod_annotation/riverpod_annotation.dart';
- import 'package:shared/utils/log_utils.dart';
- import 'package:plugin_platform/engine/toast/toast_engine.dart';
- import 'package:widgets/load_state_layout.dart';
- import 'package:widgets/widget_export.dart';
- import '../page/property_news_state.dart';
- import '../repository/property_news_repository.dart';
- part 'property_news_vm.g.dart';
- @riverpod
- class PropertyNewsVm extends _$PropertyNewsVm {
- late PropertyNewsRepository propertyNewsRepository;
- bool _needShowPlaceholder = true; //是否展示LoadingView
- // Refresh 控制器
- final EasyRefreshController refreshController = EasyRefreshController(
- controlFinishRefresh: true, //允许刷新
- controlFinishLoad: true, //允许加载
- );
- PropertyNewsState initState() {
- return PropertyNewsState(
- list: [],
- );
- }
- @override
- PropertyNewsState build() {
- // 引入数据仓库
- propertyNewsRepository = ref.read(propertyNewsRepositoryProvider);
- // 初始化状态
- PropertyNewsState state = initState();
- // 初始化列表数据
- return state;
- }
- //刷新页面状态
- void changeLoadingState(LoadState loadState, String? errorMsg) {
- state = state.copyWith(
- loadingState: loadState,
- errorMessage: errorMsg
- );
- }
- // 初始化页面数据
- initPageData() {
- Log.d("----property_news_vm-----initPageData");
- onRefresh();
- }
- // 上拉加载 更多
- Future loadMore() async {
- Log.d("----property_news_vm-----loadMore");
- // await Future.delayed(const Duration(seconds: 2));
- // if(state.list.length >= state.filterCount){
- // return;
- // }else {
- // int curPage = state.curPage + 1;
- // state = state.copyWith(curPage: curPage,);
- // getListData();
- // }
- // 检查 curPage 是否为 null,并初始化为 1
- int newCurPage = state.curPage ?? 1;
- state = state.copyWith(curPage: ++newCurPage);
- getListData();
- }
- // 下拉刷新
- Future onRefresh() async {
- Log.d("----property_news_vm-----onRefresh ");
- // await Future.delayed(const Duration(seconds: 2));
- state = state.copyWith(curPage: 1);
- getListData();
- }
- // 重试请求
- Future retryRequest() async {
- state = state.copyWith(curPage: 1);
- _needShowPlaceholder = true;
- getListData();
- }
- // 获取list 列表数据
- Future getListData<T>() async {
- if (_needShowPlaceholder) {
- changeLoadingState(LoadState.State_Loading, null);
- }
- Log.d("加载listData数据---------------start--${state.curPage}---");
- // try {
- // //请求网络
- // Map<String, dynamic> params = {
- // "curPage": state.curPage,
- // "pageSize": state.pageSize,
- // };
- // Log.d("请求参数------$params");
- // final result = await propertyNewsRepository.fetchPropertyNewsList(params);
- // Log.d("请求完成结果------${result.data}");
- // //校验成功失败
- // if (result.isSuccess) {
- // // state = state.copyWith(serverTime: result.data);
- // state = state;
- // handleList(listResult.data?.rows);
- // ToastEngine.show("获取数据成功");
- // } else {
- // errorMessage = listResult.errorMsg;
- // changeLoadingState(LoadState.State_Error);
- // ToastEngine.show(result.errorMsg ?? "Network Load Error");
- // }
- // } catch (e) {
- // ToastEngine.show("Error: $e");
- // }
- await Future.delayed(const Duration(milliseconds: 1500));
- final List<Map<String, dynamic>> listData = [
- {
- "id": 1,
- "title": "fkladsfk fldask fldsakfllfkaslsd",
- "description": "fsklfdsk罚款乱收费上课了发送卡",
- "time": "2024-02-15 12:00:00",
- "isCollection": true,
- "pic": ""
- },
- {
- "id": 2,
- "title": "JHKFDSAJKjfkdsfjkasjkjklfajfkajifwoqirujweiqofjndsaikfniasdhfiasdhfiadshfifjadslfjkdlsafjlkadsj",
- "description": "oifosjf fjdskafj hjiwehfriohjfiash",
- "time": "2024-10-16 12:00:00",
- "isCollection": false,
- "pic": ""
- },
- ];
- if (state.curPage == 1) {
- //刷新的方式
- state = state.copyWith(list: listData);
- refreshController.finishRefresh();
- //更新展示的状态
- changeLoadingState(LoadState.State_Success, null);
- } else {
- //加载更多
- final allList = state.list;
- allList.addAll(listData);
- refreshController.finishLoad();
- state = state.copyWith(list: allList);
- }
- // 最后赋值
- _needShowPlaceholder = false;
- }
- // 去新闻详情页
- void goNewsDetail(String item) {
- Log.d("goNewsDetail");
- // PropertyPage.startInstance(context: context, item: item);
- }
- // 收藏/取消收藏
- void handlerCollection(curItem, bool isCollection){
- List<Map<String, dynamic>> newList = state.list.map((item) {
- if(item['id'] == curItem['id']){
- return {
- ...item,
- 'isCollection': !isCollection
- };
- }
- return item;
- }).toList();
- // Log.d("handlerCollection $newList");
- state = state.copyWith(list: newList);
- if(isCollection){
- ToastEngine.show("取消收藏");
- }else {
- ToastEngine.show("收藏成功");
- }
- }
- // 处理数据与展示的逻辑
- // void handleList(List<JobAppliedListSGRows>? list) {
- // if (list != null && list.isNotEmpty) {
- // //有数据,判断是刷新还是加载更多的数据
- // if (_curPage == 1) {
- // //刷新的方式
- // state.list.clear();
- // state.list.addAll(list);
- // refreshController.finishRefresh();
- //
- // //更新展示的状态
- // changeLoadingState(LoadState.State_Success);
- // } else {
- // //加载更多
- // state.list.addAll(list);
- // refreshController.finishLoad();
- // update();
- // }
- // } else {
- // if (_curPage == 1) {
- // //展示无数据的布局
- // state.list.clear();
- // changeLoadingState(LoadState.State_Empty);
- // refreshController.finishRefresh();
- // } else {
- // //展示加载完成,没有更多数据了
- // refreshController.finishLoad(IndicatorResult.noMore);
- // }
- // }
- // }
- }
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