421 lines
13 KiB
Dart
421 lines
13 KiB
Dart
import 'package:flutter/material.dart';
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import '../../constants/app_constants.dart';
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import '../../utils/http/http_client.dart';
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import '../../models/poetry_model.dart';
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import '../../controllers/load/locally.dart';
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/// 时间: 2026-03-25
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/// 功能: 热门页面
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/// 介绍: 展示诗词排行榜，包括总榜、日榜、月榜
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/// 最新变化: 新建热门页面，支持多种排行榜类型
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class PopularPage extends StatefulWidget {
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const PopularPage({super.key});
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@override
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State<PopularPage> createState() => _PopularPageState();
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}
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class _PopularPageState extends State<PopularPage>
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with SingleTickerProviderStateMixin {
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late TabController _tabController;
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final List<String> _tabCategories = ['总榜', '日榜', '月榜'];
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List<PoetryModel> _rankList = [];
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bool _loading = false;
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String _errorMessage = '';
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bool _showBottomIndicator = false;
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@override
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void initState() {
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super.initState();
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_tabController = TabController(length: _tabCategories.length, vsync: this);
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_tabController.addListener(() {
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if (mounted && !_tabController.indexIsChanging) {
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_loadRankList();
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}
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});
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_loadRankList();
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}
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@override
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void dispose() {
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_tabController.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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backgroundColor: Theme.of(context).scaffoldBackgroundColor,
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body: Column(
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children: [
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// Tab栏
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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child: TabBar(
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controller: _tabController,
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tabs: _tabCategories
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.map((category) => Tab(text: category))
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.toList(),
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labelColor: AppConstants.primaryColor,
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unselectedLabelColor: Colors.grey[600],
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indicatorColor: AppConstants.primaryColor,
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indicatorWeight: 3,
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labelStyle: const TextStyle(fontWeight: FontWeight.bold),
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),
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),
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// 内容区域
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Expanded(
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child: TabBarView(
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controller: _tabController,
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children: _tabCategories.map((category) {
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return _buildRankContent(category);
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}).toList(),
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),
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),
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],
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),
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);
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}
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Widget _buildRankContent(String category) {
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if (_loading) {
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return const Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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CircularProgressIndicator(),
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SizedBox(height: 16),
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Text('正在加载排行榜...'),
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],
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),
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);
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}
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if (_errorMessage.isNotEmpty) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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const Icon(Icons.error_outline, size: 64, color: Colors.grey),
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const SizedBox(height: 16),
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Text(_errorMessage, style: const TextStyle(color: Colors.grey)),
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const SizedBox(height: 16),
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ElevatedButton(
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onPressed: _loadRankList,
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child: const Text('🔄 重试'),
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),
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],
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),
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);
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}
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if (_rankList.isEmpty) {
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return const Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(Icons.bar_chart, size: 64, color: Colors.grey),
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SizedBox(height: 16),
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Text('暂无排行数据', style: TextStyle(color: Colors.grey)),
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SizedBox(height: 8),
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Text(
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'换个时间段试试吧',
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style: TextStyle(color: Colors.grey, fontSize: 12),
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),
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],
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),
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);
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}
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return RefreshIndicator(
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onRefresh: () async => await _loadRankList(forceRefresh: true),
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child: NotificationListener<ScrollNotification>(
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onNotification: (scrollNotification) {
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if (scrollNotification is ScrollEndNotification &&
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scrollNotification.metrics.extentAfter == 0) {
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_showBottomIndicatorMethod();
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}
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return false;
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},
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child: ListView.builder(
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padding: const EdgeInsets.all(16),
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itemCount: _rankList.length + (_showBottomIndicator ? 1 : 0),
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itemBuilder: (context, index) {
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if (index == _rankList.length) {
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return const Center(
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child: Padding(
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padding: EdgeInsets.all(16),
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child: Text('到底了', style: TextStyle(color: Colors.grey)),
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),
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);
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}
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return _buildRankItem(_rankList[index], index + 1);
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},
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),
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),
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);
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}
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Widget _buildRankItem(PoetryModel poetry, int index) {
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final rank = poetry.rank > 0 ? poetry.rank : index; // 优先使用API返回的rank
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final isTopThree = rank <= 3;
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return Card(
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margin: const EdgeInsets.only(bottom: 12),
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elevation: isTopThree ? 4 : 2,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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side: BorderSide(
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color: isTopThree
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? AppConstants.primaryColor
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: AppConstants.primaryColor.withValues(alpha: 0.2),
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width: isTopThree ? 2 : 1,
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),
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),
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child: InkWell(
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onTap: () => _onViewDetail(poetry),
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borderRadius: BorderRadius.circular(12),
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child: Padding(
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padding: const EdgeInsets.all(16),
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child: Row(
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children: [
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// 排名徽章
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Container(
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width: 40,
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height: 40,
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decoration: BoxDecoration(
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color: isTopThree
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? AppConstants.primaryColor
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: AppConstants.primaryColor.withValues(alpha: 0.3),
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borderRadius: BorderRadius.circular(20),
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border: isTopThree
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? null
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: Border.all(
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color: AppConstants.primaryColor.withValues(
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alpha: 0.2,
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),
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width: 1,
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),
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),
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child: Center(
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child: Text(
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rank.toString(),
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style: TextStyle(
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color: isTopThree
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? Colors.white
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: AppConstants.primaryColor.withValues(alpha: 0.8),
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fontWeight: FontWeight.bold,
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fontSize: 16,
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),
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),
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),
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),
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const SizedBox(width: 12),
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// 内容区域
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 标题
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Text(
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poetry.name,
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style: Theme.of(context).textTheme.titleMedium?.copyWith(
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fontWeight: FontWeight.bold,
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),
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maxLines: 2,
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overflow: TextOverflow.ellipsis,
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),
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const SizedBox(height: 4),
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// 朝代和作者
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if (poetry.alias.isNotEmpty || poetry.url.isNotEmpty)
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Row(
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children: [
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if (poetry.alias.isNotEmpty) ...[
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Container(
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padding: const EdgeInsets.symmetric(
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horizontal: 6,
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vertical: 2,
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),
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decoration: BoxDecoration(
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color: AppConstants.primaryColor.withValues(
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alpha: 0.1,
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),
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borderRadius: BorderRadius.circular(8),
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),
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child: Text(
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poetry.alias,
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style: TextStyle(
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fontSize: 10,
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color: AppConstants.primaryColor,
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),
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),
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),
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const SizedBox(width: 8),
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],
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if (poetry.url.isNotEmpty)
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Expanded(
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child: Text(
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poetry.url,
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style: TextStyle(
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fontSize: 12,
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color: Colors.grey[600],
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),
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overflow: TextOverflow.ellipsis,
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),
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),
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],
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),
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const SizedBox(height: 8),
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// 统计数据
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Row(
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children: [
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_buildStatItem(
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'👁',
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poetry.hitsTotal.toString(),
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'总浏览',
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),
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const SizedBox(width: 16),
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_buildStatItem('💖', poetry.like.toString(), '点赞'),
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const SizedBox(width: 16),
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if (_tabController.index == 1) // 日榜
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_buildStatItem('📅', poetry.hitsDay.toString(), '今日'),
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if (_tabController.index == 2) // 月榜
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_buildStatItem(
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'📊',
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poetry.hitsMonth.toString(),
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'本月',
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),
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],
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),
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],
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),
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),
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],
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),
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),
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),
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);
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}
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Widget _buildStatItem(String icon, String value, String label) {
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return Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Text(icon, style: const TextStyle(fontSize: 12)),
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const SizedBox(width: 4),
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Text(
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value,
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style: const TextStyle(fontSize: 12, fontWeight: FontWeight.w500),
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),
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const SizedBox(width: 2),
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Text(label, style: TextStyle(fontSize: 10, color: Colors.grey[600])),
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],
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);
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}
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Future<void> _loadRankList({bool forceRefresh = false}) async {
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setState(() {
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_loading = true;
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_errorMessage = '';
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_showBottomIndicator = false;
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});
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try {
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final tabIndex = _tabController.index;
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final type = tabIndex == 0
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? 'total'
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: tabIndex == 1
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? 'day'
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: 'month';
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final isPreloadEnabled = await LocalCacheManager().isPreloadEnabled();
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if (isPreloadEnabled && !forceRefresh) {
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final cachedData = await LocalCacheManager().getCachedPopularList(type);
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if (cachedData != null && cachedData.isNotEmpty) {
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if (mounted) {
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setState(() {
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_rankList = cachedData
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.map((item) => PoetryModel.fromJson(item))
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.toList();
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_loading = false;
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});
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}
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return;
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}
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}
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final response = await HttpClient.get(
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'/rlist.php',
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queryParameters: {'type': type, 'limit': '20'},
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);
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if (response.isSuccess && response.code == 0) {
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final data = response.data;
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final rankData = data['list'] as List<dynamic>? ?? [];
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final rankDataList = rankData.cast<Map<String, dynamic>>();
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if (isPreloadEnabled) {
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await LocalCacheManager().cachePopularList(type, rankDataList);
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}
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if (mounted) {
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setState(() {
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_rankList = rankData
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.map((item) => PoetryModel.fromJson(item))
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.toList();
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_loading = false;
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});
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}
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} else {
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if (mounted) {
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setState(() {
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_errorMessage = response.message.isNotEmpty == true
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? response.message
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: '获取排行榜失败';
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_loading = false;
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});
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}
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}
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} catch (e) {
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if (mounted) {
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setState(() {
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_errorMessage = '网络请求失败，请检查网络连接';
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_loading = false;
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});
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}
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}
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}
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void _showBottomIndicatorMethod() {
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if (_rankList.isNotEmpty && !_loading && mounted) {
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setState(() {
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_showBottomIndicator = true;
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});
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Future.delayed(const Duration(seconds: 3), () {
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if (mounted) {
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setState(() {
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_showBottomIndicator = false;
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});
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}
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});
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}
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}
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void _onViewDetail(PoetryModel poetry) {
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// TODO: 跳转到诗词详情页面
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('查看诗词: ${poetry.name}'),
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duration: const Duration(seconds: 1),
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),
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);
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}
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}
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