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Initial commit: Flutter 无书应用项目

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2026-03-30 02:35:31 +08:00
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lib/views/footprint/liked_poetry_manager.dart Normal file
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/// 时间: 2025-03-22
/// 功能: 点赞诗词管理器
/// 介绍: 管理点赞诗词的加载、显示、删除等操作
/// 最新变化: 从FavoritesPage分离出来的点赞管理逻辑
library liked_poetry_manager;
import 'dart:async' show StreamSubscription;
import 'package:flutter/material.dart';
import 'package:flutter/foundation.dart';
import '../../../constants/app_constants.dart';
import '../../../controllers/history_controller.dart';
import '../../../utils/http/poetry_api.dart';
import '../../../services/network_listener_service.dart';
import '../home/home_components.dart';
/// 点赞诗词管理器
class LikedPoetryManager extends StatefulWidget {
const LikedPoetryManager({super.key});
@override
State<LikedPoetryManager> createState() => _LikedPoetryManagerState();
/// 公共方法：显示诗词详情弹窗
/// 可被其他页面调用，无需传递额外参数
static Future<void> showPoetryDetails(
BuildContext context,
PoetryData poetry,
) async {
try {
debugPrint(
'DEBUG: LikedPoetryManager - 点击查看详情 - Poetry ID: ${poetry.id}',
);
final likedList = await HistoryController.getLikedHistory();
debugPrint('DEBUG: LikedPoetryManager - 获取到 ${likedList.length} 条点赞记录');
Map<String, dynamic> poetryData;
try {
poetryData = likedList.firstWhere(
(item) => item['id'].toString() == poetry.id.toString(),
orElse: () => poetry.toJson(),
);
debugPrint('DEBUG: LikedPoetryManager - 找到匹配的诗词数据');
} catch (e) {
debugPrint('DEBUG: LikedPoetryManager - 未找到匹配数据，使用当前poetry数据');
poetryData = poetry.toJson();
}
debugPrint(
'DEBUG: LikedPoetryManager - 诗词数据字段: ${poetryData.keys.toList()}',
);
if (context.mounted) {
showModalBottomSheet(
context: context,
isScrollControlled: true,
backgroundColor: Colors.transparent,
builder: (context) => Container(
height: MediaQuery.of(context).size.height * 0.8,
decoration: const BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.only(
topLeft: Radius.circular(20),
topRight: Radius.circular(20),
),
),
child: Column(
children: [
Container(
margin: const EdgeInsets.only(top: 8),
width: 40,
height: 4,
decoration: BoxDecoration(
color: Colors.grey[300],
borderRadius: BorderRadius.circular(2),
),
),
Padding(
padding: const EdgeInsets.all(16),
child: Row(
children: [
Icon(
Icons.article,
color: AppConstants.primaryColor,
size: 24,
),
const SizedBox(width: 8),
const Text(
'诗词详情',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.bold,
),
),
const Spacer(),
GestureDetector(
onTap: () {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('开发中'),
duration: Duration(seconds: 1),
),
);
},
child: Container(
padding: const EdgeInsets.all(8),
child: Icon(
Icons.refresh,
color: Colors.grey[600],
size: 20,
),
),
),
const SizedBox(width: 8),
IconButton(
onPressed: () => Navigator.of(context).pop(),
icon: const Icon(Icons.close),
color: Colors.grey[600],
),
],
),
),
Expanded(
child: SingleChildScrollView(
padding: const EdgeInsets.symmetric(horizontal: 16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
_buildDetailCard(
'精选诗句',
poetryData['name'] ?? poetry.name,
Icons.format_quote,
AppConstants.primaryColor,
),
Row(
children: [
if (poetryData['liked_time'] != null) ...[
Expanded(
child: _buildDetailCard(
'点赞时间',
'${poetryData['liked_date'] ?? ''} ${poetryData['liked_time'] ?? ''}',
Icons.favorite,
Colors.orange,
),
),
],
if (poetryData['keywords'] != null &&
poetryData['keywords']
.toString()
.isNotEmpty) ...[
const SizedBox(width: 8),
Expanded(
child: _buildDetailCard(
'标签',
poetryData['keywords'],
Icons.local_offer,
Colors.green,
),
),
],
],
),
Row(
children: [
if (poetryData['alias'] != null &&
poetryData['alias'].toString().isNotEmpty) ...[
Expanded(
child: _buildDetailCard(
'出处',
poetryData['url'],
Icons.link,
Colors.teal,
),
),
],
if (poetryData['url'] != null &&
poetryData['url'].toString().isNotEmpty) ...[
const SizedBox(width: 8),
Expanded(
child: _buildDetailCard(
'朝代',
poetryData['alias'],
Icons.history,
Colors.blue,
),
),
],
],
),
if (poetryData['introduce'] != null &&
poetryData['introduce'].toString().isNotEmpty)
_buildDetailCard(
'译文/介绍',
poetryData['introduce'],
Icons.translate,
AppConstants.primaryColor,
),
if (poetryData['drtime'] != null &&
poetryData['drtime'].toString().isNotEmpty)
_buildDetailCard(
'原文or赏析',
poetryData['drtime'],
Icons.menu_book,
Colors.purple,
),
const SizedBox(height: 20),
],
),
),
),
],
),
),
);
}
} catch (e) {
debugPrint('DEBUG: LikedPoetryManager - 显示详情失败 - $e');
if (context.mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('加载详情失败: $e'),
backgroundColor: AppConstants.errorColor,
duration: const Duration(seconds: 2),
),
);
}
}
}
/// 公共方法：构建详情卡片
static Widget _buildDetailCard(
String title,
String content,
IconData icon,
Color accentColor,
) {
return Container(
width: double.infinity,
margin: const EdgeInsets.only(bottom: 12),
decoration: BoxDecoration(
color: accentColor.withValues(alpha: 0.05),
borderRadius: BorderRadius.circular(12),
border: Border.all(color: accentColor.withValues(alpha: 0.2), width: 1),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color: accentColor.withValues(alpha: 0.1),
borderRadius: const BorderRadius.only(
topLeft: Radius.circular(12),
topRight: Radius.circular(12),
),
),
child: Row(
children: [
Icon(icon, size: 18, color: accentColor),
const SizedBox(width: 8),
Text(
title,
style: TextStyle(
fontSize: 14,
color: accentColor,
fontWeight: FontWeight.w600,
),
),
],
),
),
Padding(
padding: const EdgeInsets.all(12),
child: Text(
content,
style: const TextStyle(
fontSize: 15,
color: Colors.black87,
height: 1.5,
),
),
),
],
),
);
}
}
class _LikedPoetryManagerState extends State<LikedPoetryManager>
with NetworkListenerMixin {
List<PoetryData> _likedPoetryList = [];
bool _isLoading = false;
String _errorMessage = '';
StreamSubscription<NetworkEvent>? _networkSubscription;
@override
void initState() {
super.initState();
_loadLikedPoetry();
_setupNetworkListener();
}
void _setupNetworkListener() {
// 监听网络事件
_networkSubscription = networkEvents.listen((event) {
if (mounted) {
switch (event.type) {
case NetworkEventType.like:
case NetworkEventType.unlike:
// 当有点赞或取消点赞事件时，刷新列表
_loadLikedPoetry();
break;
case NetworkEventType.refresh:
// 刷新事件
_loadLikedPoetry();
break;
default:
break;
}
}
});
}
@override
void dispose() {
_networkSubscription?.cancel();
super.dispose();
}
Future<void> _loadLikedPoetry() async {
setState(() {
_isLoading = true;
_errorMessage = '';
});
try {
// 从SQLite加载点赞列表
final likedListJson = await HistoryController.getLikedHistory();
final likedList = likedListJson
.map((item) => PoetryData.fromJson(item))
.toList();
if (mounted) {
setState(() {
_likedPoetryList = likedList;
_isLoading = false;
});
}
} catch (e) {
if (mounted) {
setState(() {
_errorMessage = '加载点赞列表失败';
_isLoading = false;
});
}
}
}
Future<void> _showPoetryDetails(PoetryData poetry) async {
await LikedPoetryManager.showPoetryDetails(context, poetry);
}
Future<void> _removeLikedPoetry(String poetryId) async {
try {
// 从SQLite中删除
await HistoryController.removeLikedPoetry(poetryId);
// 重新加载列表
await _loadLikedPoetry();
if (mounted) {
PoetryStateManager.showSnackBar(
context,
'已取消点赞',
backgroundColor: AppConstants.successColor,
duration: const Duration(milliseconds: 200),
);
}
} catch (e) {
if (mounted) {
PoetryStateManager.showSnackBar(
context,
'操作失败，请重试',
backgroundColor: AppConstants.errorColor,
duration: const Duration(milliseconds: 200),
);
}
}
}
@override
Widget build(BuildContext context) {
return _buildLikedPoetryList();
}
Widget _buildLikedPoetryList() {
if (_isLoading) {
return const Center(
child: CircularProgressIndicator(
valueColor: AlwaysStoppedAnimation<Color>(AppConstants.primaryColor),
),
);
}
if (_errorMessage.isNotEmpty) {
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(Icons.error_outline, size: 64, color: AppConstants.errorColor),
const SizedBox(height: 16),
Text(
_errorMessage,
style: TextStyle(fontSize: 16, color: AppConstants.errorColor),
),
const SizedBox(height: 16),
ElevatedButton(
onPressed: _loadLikedPoetry,
style: ElevatedButton.styleFrom(
backgroundColor: AppConstants.primaryColor,
foregroundColor: Colors.white,
),
child: const Text('重试'),
),
],
),
);
}
if (_likedPoetryList.isEmpty) {
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(Icons.favorite_border, size: 64, color: Colors.grey[400]),
const SizedBox(height: 16),
Text(
'暂无点赞记录',
style: TextStyle(fontSize: 16, color: Colors.grey[600]),
),
const SizedBox(height: 8),
Text(
'去主页点赞喜欢的诗词吧',
style: TextStyle(fontSize: 14, color: Colors.grey[500]),
),
],
),
);
}
return RefreshIndicator(
onRefresh: _loadLikedPoetry,
child: ListView.builder(
padding: const EdgeInsets.all(16),
itemCount: _likedPoetryList.length + 1,
itemBuilder: (context, index) {
if (index == _likedPoetryList.length) {
return _buildBottomIndicator();
}
final poetry = _likedPoetryList[index];
return _buildLikedPoetryCard(poetry);
},
),
);
}
Widget _buildBottomIndicator() {
return Container(
padding: const EdgeInsets.symmetric(vertical: 24),
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Container(width: 40, height: 1, color: Colors.grey[300]),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 16),
child: Text(
'到底了',
style: TextStyle(fontSize: 12, color: Colors.grey[400]),
),
),
Container(width: 40, height: 1, color: Colors.grey[300]),
],
),
);
}
Widget _buildLikedPoetryCard(PoetryData poetry) {
return Container(
margin: const EdgeInsets.only(bottom: 8),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(8),
boxShadow: [
BoxShadow(
color: Colors.black.withValues(alpha: 0.03),
blurRadius: 4,
offset: const Offset(0, 1),
),
],
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisSize: MainAxisSize.min,
children: [
// Name字段 (精选诗句) - 超紧凑样式
Container(
width: double.infinity,
padding: const EdgeInsets.all(8),
margin: const EdgeInsets.fromLTRB(8, 8, 8, 0),
decoration: BoxDecoration(
gradient: LinearGradient(
colors: [
AppConstants.primaryColor.withValues(alpha: 0.1),
AppConstants.primaryColor.withValues(alpha: 0.05),
],
begin: Alignment.topLeft,
end: Alignment.bottomRight,
),
borderRadius: BorderRadius.circular(6),
border: Border.all(
color: AppConstants.primaryColor.withValues(alpha: 0.2),
width: 1,
),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisSize: MainAxisSize.min,
children: [
Row(
children: [
Icon(
Icons.format_quote,
color: AppConstants.primaryColor,
size: 14,
),
const SizedBox(width: 4),
Text(
'精选诗句',
style: TextStyle(
fontSize: 10,
fontWeight: FontWeight.w500,
color: AppConstants.primaryColor,
),
),
],
),
const SizedBox(height: 4),
Text(
poetry.name,
style: const TextStyle(
fontSize: 16,
fontWeight: FontWeight.bold,
color: Colors.black87,
height: 1.2,
),
),
],
),
),
// URL字段 (出处) - 超紧凑样式
if (poetry.url.isNotEmpty)
Padding(
padding: const EdgeInsets.fromLTRB(8, 4, 8, 2),
child: Text(
"出处：${poetry.url}",
style: TextStyle(fontSize: 11, color: Colors.grey[600]),
overflow: TextOverflow.ellipsis,
maxLines: 1,
),
),
// 操作按钮 - 超紧凑样式
Padding(
padding: const EdgeInsets.fromLTRB(8, 2, 8, 8),
child: Row(
children: [
Expanded(
child: OutlinedButton.icon(
onPressed: () => _removeLikedPoetry(poetry.id.toString()),
icon: const Icon(Icons.favorite_border, size: 14),
label: const Text('取消点赞', style: TextStyle(fontSize: 12)),
style: OutlinedButton.styleFrom(
foregroundColor: AppConstants.errorColor,
side: BorderSide(color: AppConstants.errorColor),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(6),
),
padding: const EdgeInsets.symmetric(vertical: 4),
minimumSize: Size.zero,
tapTargetSize: MaterialTapTargetSize.shrinkWrap,
),
),
),
const SizedBox(width: 6),
Expanded(
child: ElevatedButton.icon(
onPressed: () {
debugPrint(
'DEBUG: LikedPoetryManager - 查看详情按钮被点击 - Poetry ID: ${poetry.id}',
);
_showPoetryDetails(poetry);
},
icon: const Icon(Icons.visibility, size: 14),
label: const Text('查看详情', style: TextStyle(fontSize: 12)),
style: ElevatedButton.styleFrom(
backgroundColor: AppConstants.primaryColor,
foregroundColor: Colors.white,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(6),
),
padding: const EdgeInsets.symmetric(vertical: 4),
minimumSize: Size.zero,
tapTargetSize: MaterialTapTargetSize.shrinkWrap,
),
),
),
],
),
),
],
),
);
}
}