import 'package:domain/entity/rewards_list_entity.dart'; import 'package:domain/entity/rewards_search_entity.dart'; import 'package:flutter/material.dart'; 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/picker/option_pick_util.dart'; import 'package:widgets/widget_export.dart'; import './rewards_search_state.dart'; import './rewards_search_repository.dart'; part 'rewards_search_vm.g.dart'; @riverpod class RewardsSearchVm extends _$RewardsSearchVm { late RewardsSearchRepository rewardsSearchRepository; var page = 1; var limit = 10; bool _needShowPlaceholder = false; //是否展示LoadingView // Refresh 控制器 final EasyRefreshController refreshController = EasyRefreshController( controlFinishRefresh: true, //允许刷新 controlFinishLoad: true, //允许加载 ); RewardsSearchState initState() { return RewardsSearchState(list: []); } @override RewardsSearchState build() { // 引入数据仓库 rewardsSearchRepository = ref.read(rewardsSearchRepositoryProvider); // 初始化状态 RewardsSearchState state = initState(); // 初始化列表数据 return state; } // 初始化页面数据 initPageData() { getListData(); } // 重试请求 Future retryRequest({int? id}) async { _needShowPlaceholder = true; getListData(); } //刷新页面状态 void changeLoadingState(LoadState loadState, String? errorMsg) { state = state.copyWith(loadingState: loadState, errorMessage: errorMsg); } // 获取list 列表数据 void getListData() async { Log.d("加载listData数据---------------start-----"); try { //请求网络 Map params = {}; Log.d("请求参数------$params"); final result = await rewardsSearchRepository.fetchPropertyNewsList(params); Log.d("请求完成结果------${result.data}"); //校验成功失败 if (result.isSuccess) { state = state.copyWith( detailInfo: result.data as RewardsSearchEntity, ); Log.d("123------${state.detailInfo}"); changeLoadingState(LoadState.State_Success, null); } else { String errorMessage = result.errorMsg!; changeLoadingState(LoadState.State_Error, errorMessage); ToastEngine.show(result.errorMsg ?? "Network Load Error"); } } catch (e) { ToastEngine.show("Error: $e"); } } void searchIn(value) { ToastEngine.show('$value'); state = state.copyWith( keyword: value, ); page = 1; getList(); } // 上拉加载 更多 Future loadMore() async { page++; getList(); } // 下拉刷新 Future onRefresh() async { page = 1; getList(); } // 获取list 列表数据 Future getList() async { // if (_needShowPlaceholder) { // changeLoadingState(LoadState.State_Loading, null); // } Log.d("加载listData数据---------------start--${page}---"); try { //请求网络 Map params = { "page": page, "limit": limit, "keyword": state.keyword, }; Log.d("请求参数------$params"); final result = await rewardsSearchRepository.fetchList(params); //校验成功失败 if (result.isSuccess) { handlerResultList((result.data as RewardsListEntity).list); state = state.copyWith( searchIs: false, ); } else { String errorMessage = result.errorMsg!; changeLoadingState(LoadState.State_Error, errorMessage); ToastEngine.show(result.errorMsg ?? "Network Load Error"); } } catch (e) { ToastEngine.show("Error: $e"); } } void handlerResultList(List? list) { if (list != null && list.isNotEmpty) { //有数据,判断是刷新还是加载更多的数据 if (page == 1) { //刷新的方式 state.list!.clear(); state.list!.addAll(list.map((item) => item.toJson()).toList()); refreshController.finishRefresh(); Log.d("state.liststate.liststate.list------${state.list}"); //更新展示的状态 changeLoadingState(LoadState.State_Success, null); } else { //加载更多 final allList = state.list; state = state.copyWith(list: allList); refreshController.finishLoad(); // update(); } } else { if (page == 1) { //展示无数据的布局 state.list!.clear(); changeLoadingState(LoadState.State_Empty, null); refreshController.finishRefresh(); } else { //展示加载完成,没有更多数据了 if (state.list!.length == 0) { changeLoadingState(LoadState.State_Empty, null); } else { changeLoadingState(LoadState.State_Success, null); } refreshController.finishLoad(IndicatorResult.noMore); } } } }