683 lines
22 KiB
Dart
683 lines
22 KiB
Dart
/// 时间: 2025-03-22
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/// 功能: 点赞足迹页面
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/// 介绍: 显示用户点赞的诗词列表，支持删除操作
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/// 最新变化: 新增点赞足迹管理功能
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import 'dart:async' show StreamSubscription;
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import 'package:flutter/material.dart';
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import 'package:flutter_application_2/controllers/history_controller.dart';
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import '../../../constants/app_constants.dart';
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import '../../../utils/http/poetry_api.dart';
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import '../../../services/network_listener_service.dart';
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import '../home/home_components.dart';
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/// 点赞足迹页面
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class FootprintPage extends StatefulWidget {
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const FootprintPage({super.key});
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@override
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State<FootprintPage> createState() => _FootprintPageState();
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}
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class _FootprintPageState extends State<FootprintPage>
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with NetworkListenerMixin {
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List<PoetryData> _likedPoetryList = [];
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bool _isLoading = false;
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String _errorMessage = '';
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StreamSubscription<NetworkEvent>? _networkSubscription;
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@override
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void initState() {
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super.initState();
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_loadLikedPoetry();
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_setupNetworkListener();
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}
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void _setupNetworkListener() {
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// 监听网络事件
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_networkSubscription = networkEvents.listen((event) {
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if (mounted) {
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switch (event.type) {
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case NetworkEventType.like:
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case NetworkEventType.unlike:
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// 当有点赞或取消点赞事件时，刷新列表
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_loadLikedPoetry();
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break;
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case NetworkEventType.refresh:
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// 刷新事件
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_loadLikedPoetry();
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break;
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default:
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break;
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}
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}
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});
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}
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@override
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void dispose() {
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_networkSubscription?.cancel();
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super.dispose();
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}
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Future<void> _loadLikedPoetry() async {
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setState(() {
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_isLoading = true;
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_errorMessage = '';
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});
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try {
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// 从SQLite加载点赞列表
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final likedListJson = await HistoryController.getLikedHistory();
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final likedList = likedListJson
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.map((item) => PoetryData.fromJson(item))
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.toList();
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if (mounted) {
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setState(() {
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_likedPoetryList = likedList;
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_isLoading = false;
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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 = '加载点赞列表失败';
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_isLoading = false;
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});
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}
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}
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}
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Future<void> _showPoetryDetails(PoetryData poetry) async {
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try {
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// 从SQLite获取完整数据
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final likedList = await HistoryController.getLikedHistory();
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// 查找对应的诗词数据，优先使用存储的完整数据
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Map<String, dynamic> poetryData;
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try {
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poetryData = likedList.firstWhere(
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(item) => item['id'].toString() == poetry.id.toString(),
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orElse: () => poetry.toJson(),
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);
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} catch (e) {
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poetryData = poetry.toJson();
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}
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if (mounted) {
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showModalBottomSheet(
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context: context,
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isScrollControlled: true,
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backgroundColor: Colors.transparent,
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builder: (context) => Container(
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height: MediaQuery.of(context).size.height * 0.8,
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decoration: const BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.only(
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topLeft: Radius.circular(20),
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topRight: Radius.circular(20),
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),
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),
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child: Column(
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children: [
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// 顶部拖拽指示器
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Container(
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margin: const EdgeInsets.only(top: 8),
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width: 40,
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height: 4,
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decoration: BoxDecoration(
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color: Colors.grey[300],
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borderRadius: BorderRadius.circular(2),
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),
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),
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// 标题栏
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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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Icon(
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Icons.article,
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color: AppConstants.primaryColor,
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size: 24,
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),
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const SizedBox(width: 8),
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const Text(
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'诗词详情',
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style: TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.bold,
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),
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),
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const Spacer(),
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// 加载图标（不可点击）
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GestureDetector(
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onTap: () {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('开发中'),
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duration: Duration(seconds: 1),
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),
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);
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},
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child: Container(
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padding: const EdgeInsets.all(8),
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child: Icon(
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Icons.more_horiz,
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color: Colors.grey[600],
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size: 20,
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),
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),
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),
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const SizedBox(width: 8),
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// 关闭按钮
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IconButton(
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onPressed: () => Navigator.of(context).pop(),
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icon: const Icon(Icons.close),
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color: Colors.grey[600],
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),
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],
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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: SingleChildScrollView(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 诗词名称 - 单独一行
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_buildDetailCard(
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'精选诗句',
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poetryData['name'] ?? poetry.name,
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Icons.format_quote,
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AppConstants.primaryColor,
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),
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// 时间和标签 - 同一行
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Row(
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children: [
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// 点赞时间
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if (poetryData['liked_time'] != null) ...[
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Expanded(
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child: _buildDetailCard(
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'点赞时间',
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'${poetryData['liked_date'] ?? ''} ${poetryData['liked_time'] ?? ''}',
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Icons.favorite,
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Colors.orange,
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),
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),
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],
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// 标签
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if (poetryData['keywords'] != null &&
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poetryData['keywords']
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.toString()
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.isNotEmpty) ...[
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const SizedBox(width: 8),
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Expanded(
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child: _buildDetailCard(
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'标签',
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poetryData['keywords'],
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Icons.local_offer,
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Colors.green,
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),
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),
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],
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],
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),
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// 朝代和出处 - 同一行
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Row(
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children: [
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// 朝代
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if (poetryData['alias'] != null &&
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poetryData['alias'].toString().isNotEmpty) ...[
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Expanded(
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child: _buildDetailCard(
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'朝代',
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poetryData['alias'],
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Icons.history,
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Colors.blue,
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),
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),
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],
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// 出处
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if (poetryData['url'] != null &&
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poetryData['url'].toString().isNotEmpty) ...[
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const SizedBox(width: 8),
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Expanded(
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child: _buildDetailCard(
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'出处',
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poetryData['url'],
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Icons.link,
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Colors.teal,
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),
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),
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],
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],
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),
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// 译文/介绍 - 单独一行
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if (poetryData['introduce'] != null &&
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poetryData['introduce'].toString().isNotEmpty)
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_buildDetailCard(
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'译文/介绍',
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poetryData['introduce'],
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Icons.translate,
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AppConstants.primaryColor,
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),
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// 原文 - 单独一行
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if (poetryData['drtime'] != null &&
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poetryData['drtime'].toString().isNotEmpty)
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_buildDetailCard(
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'原文',
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poetryData['drtime'],
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Icons.menu_book,
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Colors.purple,
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),
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const SizedBox(height: 20),
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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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} catch (e) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('加载详情失败: $e'),
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backgroundColor: AppConstants.errorColor,
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duration: const Duration(seconds: 2),
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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 _buildDetailCard(
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String title,
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String content,
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IconData icon,
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Color accentColor,
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) {
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return Container(
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width: double.infinity,
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margin: const EdgeInsets.only(bottom: 12),
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decoration: BoxDecoration(
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color: accentColor.withValues(alpha: 0.05),
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borderRadius: BorderRadius.circular(12),
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border: Border.all(color: accentColor.withValues(alpha: 0.2), width: 1),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 标题栏
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Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: accentColor.withValues(alpha: 0.1),
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borderRadius: const BorderRadius.only(
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topLeft: Radius.circular(12),
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topRight: Radius.circular(12),
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),
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),
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child: Row(
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children: [
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Icon(icon, size: 18, color: accentColor),
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const SizedBox(width: 8),
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Text(
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title,
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style: TextStyle(
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fontSize: 14,
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color: accentColor,
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fontWeight: FontWeight.w600,
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),
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),
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],
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),
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),
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// 内容区域
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Padding(
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padding: const EdgeInsets.all(12),
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child: Text(
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content,
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style: const TextStyle(
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fontSize: 15,
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color: Colors.black87,
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height: 1.5,
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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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Future<void> _removeLikedPoetry(String poetryId) async {
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try {
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// 从SQLite中删除
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await HistoryController.removeLikedPoetry(poetryId);
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// 重新加载列表
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await _loadLikedPoetry();
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if (mounted) {
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PoetryStateManager.showSnackBar(
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context,
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'已取消点赞',
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backgroundColor: AppConstants.successColor,
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duration: const Duration(milliseconds: 200),
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);
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}
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} catch (e) {
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if (mounted) {
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PoetryStateManager.showSnackBar(
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context,
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'操作失败，请重试',
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backgroundColor: AppConstants.errorColor,
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duration: const Duration(milliseconds: 200),
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);
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}
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}
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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: Colors.grey[50],
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appBar: AppBar(
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title: const Text('点赞足迹'),
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backgroundColor: AppConstants.primaryColor,
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foregroundColor: Colors.white,
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elevation: 0,
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),
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body: _buildBody(),
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);
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}
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Widget _buildBody() {
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if (_isLoading) {
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return const Center(
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child: CircularProgressIndicator(
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valueColor: AlwaysStoppedAnimation<Color>(AppConstants.primaryColor),
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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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Icon(Icons.error_outline, size: 64, color: AppConstants.errorColor),
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const SizedBox(height: 16),
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Text(
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_errorMessage,
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style: TextStyle(fontSize: 16, color: AppConstants.errorColor),
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),
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const SizedBox(height: 16),
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ElevatedButton(
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onPressed: _loadLikedPoetry,
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style: ElevatedButton.styleFrom(
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backgroundColor: AppConstants.primaryColor,
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foregroundColor: Colors.white,
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),
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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 (_likedPoetryList.isEmpty) {
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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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Icon(Icons.favorite_border, size: 64, color: Colors.grey[400]),
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const SizedBox(height: 16),
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Text(
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'暂无点赞记录',
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style: TextStyle(fontSize: 16, color: Colors.grey[600]),
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),
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const SizedBox(height: 8),
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Text(
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'去主页点赞喜欢的诗词吧',
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style: TextStyle(fontSize: 14, color: Colors.grey[500]),
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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: _loadLikedPoetry,
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child: Column(
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children: [
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// 添加不可点击的刷新按钮
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if (_likedPoetryList.isNotEmpty) ...[
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Container(
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margin: const EdgeInsets.fromLTRB(16, 8, 16, 8),
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child: Row(
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children: [
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Icon(
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Icons.refresh,
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size: 20,
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color: AppConstants.primaryColor,
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),
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const SizedBox(width: 8),
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Text(
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'下拉刷新列表',
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style: TextStyle(
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fontSize: 14,
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color: AppConstants.primaryColor,
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fontWeight: FontWeight.w500,
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),
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),
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const Spacer(),
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Text(
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'共 ${_likedPoetryList.length} 条记录',
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style: TextStyle(fontSize: 12, color: Colors.grey[600]),
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),
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],
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),
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),
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],
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Expanded(
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child: ListView.builder(
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padding: const EdgeInsets.all(16),
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itemCount: _likedPoetryList.length,
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itemBuilder: (context, index) {
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final poetry = _likedPoetryList[index];
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return _buildLikedPoetryCard(poetry);
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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 _buildLikedPoetryCard(PoetryData poetry) {
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return Container(
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margin: const EdgeInsets.only(bottom: 16),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(12),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withValues(alpha: 0.05),
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blurRadius: 8,
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offset: const Offset(0, 2),
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),
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],
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// URL字段 (出处)
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Padding(
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padding: const EdgeInsets.fromLTRB(16, 16, 16, 8),
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child: Text(
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"出处： ${poetry.url}",
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style: const TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.normal,
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color: Colors.black,
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fontStyle: FontStyle.italic,
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),
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overflow: TextOverflow.ellipsis,
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maxLines: 1,
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),
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),
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// Name字段 (精选诗句) - 与主页样式一致
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Container(
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width: double.infinity,
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padding: const EdgeInsets.all(16),
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margin: const EdgeInsets.symmetric(horizontal: 16),
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decoration: BoxDecoration(
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gradient: LinearGradient(
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colors: [
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AppConstants.primaryColor.withValues(alpha: 0.1),
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AppConstants.primaryColor.withValues(alpha: 0.05),
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],
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begin: Alignment.topLeft,
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end: Alignment.bottomRight,
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),
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borderRadius: BorderRadius.circular(12),
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border: Border.all(
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color: AppConstants.primaryColor.withValues(alpha: 0.2),
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width: 1,
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),
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boxShadow: [
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BoxShadow(
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color: AppConstants.primaryColor.withValues(alpha: 0.1),
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blurRadius: 8,
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offset: const Offset(0, 2),
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),
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],
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
|
|
children: [
|
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Icon(
|
|
Icons.format_quote,
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color: AppConstants.primaryColor,
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size: 20,
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),
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const SizedBox(width: 8),
|
|
Expanded(
|
|
child: Text(
|
|
'精选诗句',
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style: TextStyle(
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fontSize: 12,
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|
fontWeight: FontWeight.w500,
|
|
color: AppConstants.primaryColor,
|
|
),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
const SizedBox(height: 8),
|
|
Text(
|
|
poetry.name,
|
|
style: const TextStyle(
|
|
fontSize: 22,
|
|
fontWeight: FontWeight.bold,
|
|
color: Colors.black87,
|
|
height: 1.4,
|
|
),
|
|
textAlign: TextAlign.center,
|
|
),
|
|
],
|
|
),
|
|
),
|
|
|
|
// drtime字段 (原文)
|
|
if (poetry.drtime.isNotEmpty) ...[
|
|
const SizedBox(height: 12),
|
|
Padding(
|
|
padding: const EdgeInsets.fromLTRB(16, 0, 16, 16),
|
|
child: Container(
|
|
width: double.infinity,
|
|
padding: const EdgeInsets.all(12),
|
|
decoration: BoxDecoration(
|
|
color: const Color(0xFFF8F8F8),
|
|
borderRadius: BorderRadius.circular(8),
|
|
),
|
|
child: Text(
|
|
poetry.drtime,
|
|
style: const TextStyle(
|
|
fontSize: 14,
|
|
height: 1.6,
|
|
color: Colors.black87,
|
|
),
|
|
maxLines: 3,
|
|
overflow: TextOverflow.ellipsis,
|
|
),
|
|
),
|
|
),
|
|
],
|
|
|
|
// 操作按钮
|
|
Padding(
|
|
padding: const EdgeInsets.fromLTRB(16, 0, 16, 16),
|
|
child: Row(
|
|
children: [
|
|
Expanded(
|
|
child: OutlinedButton.icon(
|
|
onPressed: () => _removeLikedPoetry(poetry.id.toString()),
|
|
icon: const Icon(Icons.favorite_border, size: 18),
|
|
label: const Text('取消点赞'),
|
|
style: OutlinedButton.styleFrom(
|
|
foregroundColor: AppConstants.errorColor,
|
|
side: BorderSide(color: AppConstants.errorColor),
|
|
shape: RoundedRectangleBorder(
|
|
borderRadius: BorderRadius.circular(8),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
const SizedBox(width: 12),
|
|
Expanded(
|
|
child: ElevatedButton.icon(
|
|
onPressed: () {
|
|
_showPoetryDetails(poetry);
|
|
},
|
|
icon: const Icon(Icons.visibility, size: 18),
|
|
label: const Text('查看详情'),
|
|
style: ElevatedButton.styleFrom(
|
|
backgroundColor: AppConstants.primaryColor,
|
|
foregroundColor: Colors.white,
|
|
elevation: 2,
|
|
shape: RoundedRectangleBorder(
|
|
borderRadius: BorderRadius.circular(8),
|
|
),
|
|
padding: const EdgeInsets.symmetric(vertical: 12),
|
|
),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
}
|