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结构重构

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DelLevin-Home
2026-03-12 14:33:28 +08:00
parent f63b5b1843
commit 0f221456cb
39 changed files with 106 additions and 105 deletions
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lib/pages/sync/backup_page.dart Normal file
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import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import '../../providers/app_provider.dart';
import '../../utils/sync/backup_service.dart';
import '../../utils/sync/auto_backup_service.dart';
import '../../utils/toast_util.dart';
/// 本地备份页面
class BackupPage extends StatefulWidget {
const BackupPage({super.key});
@override
State<BackupPage> createState() => _BackupPageState();
}
class _BackupPageState extends State<BackupPage> {
bool _isExporting = false;
bool _isImporting = false;
bool _autoBackupEnabled = false;
bool _isLoading = true;
String? _backupDirPath;
@override
void initState() {
super.initState();
_loadAutoBackupStatus();
}
Future<void> _loadAutoBackupStatus() async {
final enabled = await AutoBackupService.instance.getEnabled();
final dirPath = await AutoBackupService.instance.getBackupDirectoryPath();
if (mounted) {
setState(() {
_autoBackupEnabled = enabled;
_backupDirPath = dirPath;
_isLoading = false;
});
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: Colors.white,
appBar: AppBar(
title: const Text('本地备份'),
),
body: _isLoading
? const Center(child: CircularProgressIndicator())
: ListView(
padding: const EdgeInsets.all(24),
children: [
// 自动备份开关
_buildAutoBackupSection(),
const SizedBox(height: 32),
// 导出数据
_buildSection(
title: '导出数据',
description: '将所有数据导出为 zip 文件，可用于备份或迁移到其他设备',
icon: Icons.upload_outlined,
buttonText: '导出',
isLoading: _isExporting,
onTap: _exportData,
),
const SizedBox(height: 32),
// 导入数据
_buildSection(
title: '导入数据',
description: '从备份文件导入数据，将覆盖当前所有数据',
icon: Icons.download_outlined,
buttonText: '导入',
isLoading: _isImporting,
onTap: _importData,
isDestructive: true,
),
const SizedBox(height: 48),
// 说明
Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: const Color(0xFFF5F5F5),
border: Border.all(color: const Color(0xFFE5E5E5)),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(
Icons.info_outline,
size: 16,
color: const Color(0xFF666666),
),
const SizedBox(width: 8),
Text(
'使用说明',
style: TextStyle(
fontSize: 13,
fontWeight: FontWeight.w500,
color: const Color(0xFF666666),
),
),
],
),
const SizedBox(height: 12),
Text(
'1. 导出数据会生成一个 .zip 文件，包含所有数据和图片\n'
'2. 选择保存路径后，可以通过微信、邮件等方式发送备份文件\n'
'3. 在新设备上选择导入数据，选择备份文件即可恢复\n'
'4. 导入数据会完全覆盖当前设备的数据，请谨慎操作',
style: TextStyle(
fontSize: 13,
color: const Color(0xFF999999),
height: 1.6,
),
),
],
),
),
],
),
);
}
Widget _buildSection({
required String title,
required String description,
required IconData icon,
required String buttonText,
required bool isLoading,
required VoidCallback onTap,
bool isDestructive = false,
}) {
return Container(
padding: const EdgeInsets.all(24),
decoration: BoxDecoration(
border: Border.all(color: const Color(0xFFE5E5E5)),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(
icon,
size: 24,
color: isDestructive ? Colors.red : const Color(0xFF1A1A1A),
),
const SizedBox(width: 12),
Text(
title,
style: const TextStyle(
fontSize: 16,
fontWeight: FontWeight.w500,
color: Color(0xFF1A1A1A),
),
),
],
),
const SizedBox(height: 12),
Text(
description,
style: const TextStyle(
fontSize: 14,
color: Color(0xFF666666),
height: 1.5,
),
),
const SizedBox(height: 20),
SizedBox(
width: double.infinity,
child: OutlinedButton(
onPressed: isLoading ? null : onTap,
style: OutlinedButton.styleFrom(
foregroundColor: isDestructive ? Colors.red : const Color(0xFF1A1A1A),
side: BorderSide(
color: isDestructive ? Colors.red : const Color(0xFF1A1A1A),
),
shape: const RoundedRectangleBorder(borderRadius: BorderRadius.zero),
padding: const EdgeInsets.symmetric(vertical: 12),
),
child: isLoading
? SizedBox(
width: 20,
height: 20,
child: CircularProgressIndicator(
strokeWidth: 2,
valueColor: AlwaysStoppedAnimation(
isDestructive ? Colors.red : const Color(0xFF1A1A1A),
),
),
)
: Text(buttonText),
),
),
],
),
);
}
/// 导出数据
Future<void> _exportData() async {
setState(() => _isExporting = true);
try {
final result = await BackupService.instance.exportDataWithImages();
if (!mounted) return;
if (result.cancelled) {
ToastUtil.show(context, '已取消导出');
} else if (result.success) {
// 显示导出成功信息
showDialog(
context: context,
builder: (context) => AlertDialog(
backgroundColor: Colors.white,
elevation: 0,
shape: const RoundedRectangleBorder(borderRadius: BorderRadius.zero),
title: const Text('导出成功'),
content: Text(
'备份文件已保存到:\n${result.filePath}\n\n'
'包含数据:\n'
'• 影视: ${result.movieCount}\n'
'• 书籍: ${result.bookCount}\n'
'• 笔记: ${result.noteCount}\n'
'• 图片: ${result.imageCount}',
),
actions: [
TextButton(
onPressed: () => Navigator.pop(context),
child: const Text('确定'),
),
],
),
);
} else {
ToastUtil.show(context, result.errorMessage ?? '导出失败');
}
} catch (e) {
if (mounted) {
ToastUtil.show(context, '导出失败: $e');
}
} finally {
if (mounted) {
setState(() => _isExporting = false);
}
}
}
/// 导入数据
Future<void> _importData() async {
// 显示确认对话框
final confirmed = await showDialog<bool>(
context: context,
builder: (context) => AlertDialog(
backgroundColor: Colors.white,
elevation: 0,
shape: const RoundedRectangleBorder(borderRadius: BorderRadius.zero),
title: const Text('确认导入'),
content: const Text(
'导入数据将覆盖当前所有数据，此操作不可恢复。\n\n是否继续？',
),
actions: [
TextButton(
onPressed: () => Navigator.pop(context, false),
child: const Text('取消', style: TextStyle(color: Color(0xFF666666))),
),
TextButton(
onPressed: () => Navigator.pop(context, true),
child: const Text('确认导入', style: TextStyle(color: Colors.red)),
),
],
),
);
if (confirmed != true) return;
setState(() => _isImporting = true);
try {
final result = await BackupService.instance.importData();
if (!mounted) return;
if (result.cancelled) {
ToastUtil.show(context, '已取消导入');
} else if (result.success) {
// 刷新数据
await context.read<AppProvider>().loadMovies();
await context.read<AppProvider>().loadBooks();
await context.read<AppProvider>().loadNotes();
showDialog(
context: context,
builder: (context) => AlertDialog(
backgroundColor: Colors.white,
elevation: 0,
shape: const RoundedRectangleBorder(borderRadius: BorderRadius.zero),
title: const Text('导入成功'),
content: Text('成功导入数据：\n${result.statsText}'),
actions: [
TextButton(
onPressed: () => Navigator.pop(context),
child: const Text('确定'),
),
],
),
);
} else {
ToastUtil.show(context, result.errorMessage ?? '导入失败');
}
} catch (e) {
if (mounted) {
ToastUtil.show(context, '导入失败: $e');
}
} finally {
if (mounted) {
setState(() => _isImporting = false);
}
}
}
/// 构建自动备份区域
Widget _buildAutoBackupSection() {
return Container(
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(
border: Border.all(color: const Color(0xFFE5E5E5)),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
const Icon(
Icons.schedule,
size: 24,
color: Color(0xFF1A1A1A),
),
const SizedBox(width: 12),
const Expanded(
child: Text(
'自动本地备份',
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.w500,
color: Color(0xFF1A1A1A),
),
),
),
Switch(
value: _autoBackupEnabled,
onChanged: (value) async {
setState(() => _autoBackupEnabled = value);
await AutoBackupService.instance.setEnabled(value);
if (value) {
ToastUtil.show(context, '自动备份已开启，每2分钟备份一次');
} else {
ToastUtil.show(context, '自动备份已关闭');
}
// 刷新文件列表
await _loadAutoBackupStatus();
},
activeColor: const Color(0xFF1A1A1A),
),
],
),
const SizedBox(height: 8),
Text(
'每隔2分钟自动备份到下载目录/mooknote文件夹，最多保留10个备份文件',
style: const TextStyle(
fontSize: 13,
color: Color(0xFF666666),
height: 1.5,
),
),
if (_backupDirPath != null) ...[
const SizedBox(height: 8),
Text(
'备份位置: $_backupDirPath',
style: const TextStyle(
fontSize: 11,
color: Color(0xFF999999),
),
),
],
],
),
);
}
}