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新增自动备份和修复本地备份bug

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This commit is contained in:
DelLevin-Home
2026-08-03 22:19:05 +08:00
parent de8070f48c
commit 4cdfd9e35b
5 changed files with 534 additions and 37 deletions
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333
lib/pages/sync/backup_page.dart
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@@ -1,8 +1,10 @@
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import '../../providers/app_provider.dart';
import '../../services/sync/backup_service.dart';
import '../../utils/toast_util.dart';
import '../../utils/user_prefs.dart';
/// 本地备份页面
class BackupPage extends StatefulWidget {
@@ -15,6 +17,22 @@ class BackupPage extends StatefulWidget {
class _BackupPageState extends State<BackupPage> {
bool _isExporting = false;
bool _isImporting = false;
bool _isRunningAutoBackup = false;
List<FileSystemEntity> _autoBackupFiles = [];
@override
void initState() {
super.initState();
_loadAutoBackupFiles();
}
Future<void> _loadAutoBackupFiles() async {
if (!Platform.isAndroid) return;
final files = await BackupService.instance.listLocalAutoBackups();
if (mounted) {
setState(() => _autoBackupFiles = files);
}
}
@override
Widget build(BuildContext context) {
@@ -25,38 +43,47 @@ class _BackupPageState extends State<BackupPage> {
title: const Text('本地备份'),
),
body: ListView(
padding: const EdgeInsets.all(20),
children: [
// 手动备份
_buildSectionTitle(colors, '手动备份'),
const SizedBox(height: 10),
_buildActionCard(
colors: colors,
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: 8),
_buildActionCard(
colors: colors,
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,
),
padding: const EdgeInsets.all(20),
children: [
// 手动备份
_buildSectionTitle(colors, '手动备份'),
const SizedBox(height: 10),
_buildActionCard(
colors: colors,
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: 8),
_buildActionCard(
colors: colors,
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: 24),
const SizedBox(height: 24),
// 使用说明
_buildInfoSection(colors),
],
),
// 自动备份
if (Platform.isAndroid) ...[
_buildSectionTitle(colors, '自动备份'),
const SizedBox(height: 10),
_buildAutoBackupSection(colors),
],
const SizedBox(height: 24),
// 使用说明
_buildInfoSection(colors),
],
),
);
}
@@ -183,6 +210,215 @@ class _BackupPageState extends State<BackupPage> {
);
}
/// 构建自动备份区域
Widget _buildAutoBackupSection(ColorScheme colors) {
final userPrefs = UserPrefs();
final isEnabled = userPrefs.localAutoBackupEnabled;
final intervalHours = userPrefs.localAutoBackupIntervalHours;
final lastTime = userPrefs.lastLocalAutoBackupTime;
return Container(
padding: const EdgeInsets.all(14),
decoration: BoxDecoration(
color: colors.surfaceContainerHigh,
borderRadius: BorderRadius.circular(12),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// 开关行
Row(
children: [
Container(
width: 32,
height: 32,
decoration: BoxDecoration(
color: colors.surfaceContainerHighest,
borderRadius: BorderRadius.circular(8),
),
child: Icon(
Icons.sync_outlined,
size: 18,
color: colors.onSurface.withValues(alpha: 0.6),
),
),
const SizedBox(width: 10),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'自动备份',
style: TextStyle(
fontSize: 13,
fontWeight: FontWeight.w500,
color: colors.onSurface,
),
),
const SizedBox(height: 1),
Text(
isEnabled
? '每 $intervalHours 小时自动备份一次，保留最新 5 个'
: '开启后自动定期备份数据',
style: TextStyle(
fontSize: 11,
color: colors.onSurface.withValues(alpha: 0.4),
height: 1.3,
),
),
],
),
),
Switch(
value: isEnabled,
onChanged: (value) async {
await userPrefs.setLocalAutoBackupEnabled(value);
setState(() {});
},
),
],
),
if (isEnabled) ...[
const SizedBox(height: 12),
// 间隔选择
_buildIntervalSelector(colors, intervalHours),
const SizedBox(height: 10),
// 立即备份按钮
GestureDetector(
onTap: _isRunningAutoBackup ? null : _runAutoBackupNow,
child: Container(
width: double.infinity,
padding: const EdgeInsets.symmetric(vertical: 10),
decoration: BoxDecoration(
color: _isRunningAutoBackup
? colors.onSurface.withValues(alpha: 0.25)
: colors.primary,
borderRadius: BorderRadius.circular(8),
),
child: Center(
child: _isRunningAutoBackup
? SizedBox(
width: 18,
height: 18,
child: CircularProgressIndicator(
strokeWidth: 2,
valueColor: AlwaysStoppedAnimation(colors.onPrimary),
),
)
: Text(
'立即备份',
style: TextStyle(
fontSize: 13,
fontWeight: FontWeight.w500,
color: colors.onPrimary,
),
),
),
),
),
// 上次备份时间
if (lastTime != null) ...[
const SizedBox(height: 8),
Text(
'上次备份: ${_formatBackupTime(lastTime)}',
style: TextStyle(
fontSize: 11,
color: colors.onSurface.withValues(alpha: 0.35),
),
),
],
// 备份文件列表
if (_autoBackupFiles.isNotEmpty) ...[
const SizedBox(height: 12),
..._autoBackupFiles.map((f) => _buildBackupFileItem(colors, f)),
],
],
],
),
);
}
/// 构建间隔选择器
Widget _buildIntervalSelector(ColorScheme colors, int currentHours) {
const options = [6, 12, 24, 48];
return Row(
children: options.map((h) {
final selected = h == currentHours;
return Expanded(
child: GestureDetector(
onTap: () async {
await UserPrefs().setLocalAutoBackupIntervalHours(h);
setState(() {});
},
child: Container(
margin: const EdgeInsets.symmetric(horizontal: 3),
padding: const EdgeInsets.symmetric(vertical: 8),
decoration: BoxDecoration(
color: selected
? colors.primary
: colors.surfaceContainerHighest,
borderRadius: BorderRadius.circular(6),
),
child: Center(
child: Text(
h < 24 ? '$h小时' : '${h ~/ 24}天',
style: TextStyle(
fontSize: 12,
fontWeight: selected ? FontWeight.w600 : FontWeight.normal,
color: selected ? colors.onPrimary : colors.onSurface.withValues(alpha: 0.5),
),
),
),
),
),
);
}).toList(),
);
}
/// 构建备份文件条目
Widget _buildBackupFileItem(ColorScheme colors, FileSystemEntity file) {
final name = file.path.split('/').last;
final stat = file.statSync();
final size = _formatFileSize(stat.size);
final time = _formatBackupTime(stat.modified.toIso8601String());
return Padding(
padding: const EdgeInsets.only(bottom: 6),
child: Row(
children: [
Icon(Icons.description_outlined,
size: 16, color: colors.onSurface.withValues(alpha: 0.3)),
const SizedBox(width: 8),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
name,
style: TextStyle(
fontSize: 12,
color: colors.onSurface.withValues(alpha: 0.6),
),
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
Text(
'$time · $size',
style: TextStyle(
fontSize: 10,
color: colors.onSurface.withValues(alpha: 0.3),
),
),
],
),
),
],
),
);
}
/// 构建信息说明区域
Widget _buildInfoSection(ColorScheme colors) {
return Container(
@@ -209,7 +445,7 @@ class _BackupPageState extends State<BackupPage> {
color: colors.onSurface.withValues(alpha: 0.6),
),
),
const SizedBox(width: 10),
const SizedBox(height: 10),
Text(
'使用说明',
style: TextStyle(
@@ -463,4 +699,39 @@ class _BackupPageState extends State<BackupPage> {
}
}
}
/// 立即执行一次自动备份
Future<void> _runAutoBackupNow() async {
setState(() => _isRunningAutoBackup = true);
try {
final result = await BackupService.instance.performLocalAutoBackup();
if (!mounted) return;
if (result.success) {
ToastUtil.show(context, '自动备份完成');
await _loadAutoBackupFiles();
} else {
ToastUtil.show(context, result.errorMessage ?? '自动备份失败');
}
} catch (e) {
if (mounted) ToastUtil.show(context, '自动备份失败: $e');
} finally {
if (mounted) setState(() => _isRunningAutoBackup = false);
}
}
/// 格式化备份时间
String _formatBackupTime(String isoTime) {
final dt = DateTime.tryParse(isoTime)?.toLocal();
if (dt == null) return isoTime;
return '${dt.year}-${_pad(dt.month)}-${_pad(dt.day)} ${_pad(dt.hour)}:${_pad(dt.minute)}';
}
/// 格式化文件大小
String _formatFileSize(int bytes) {
if (bytes < 1024) return '$bytes B';
if (bytes < 1024 * 1024) return '${(bytes / 1024).toStringAsFixed(1)} KB';
return '${(bytes / (1024 * 1024)).toStringAsFixed(1)} MB';
}
String _pad(int n) => n.toString().padLeft(2, '0');
}