From 666c08f8308fe4f8d47e9274e96bc4b8e1ff5e2b Mon Sep 17 00:00:00 2001 From: DelLevin-Home Date: Tue, 7 Jul 2026 00:13:33 +0800 Subject: [PATCH] =?UTF-8?q?=E5=8E=BB=E9=99=A4=E8=87=AA=E5=8A=A8=E5=A4=87?= =?UTF-8?q?=E4=BB=BD=E4=BB=A3=E7=A0=81?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- lib/services/sync/auto_backup_service.dart | 237 --------------------- 1 file changed, 237 deletions(-) delete mode 100644 lib/services/sync/auto_backup_service.dart diff --git a/lib/services/sync/auto_backup_service.dart b/lib/services/sync/auto_backup_service.dart deleted file mode 100644 index 02d18f0..0000000 --- a/lib/services/sync/auto_backup_service.dart +++ /dev/null @@ -1,237 +0,0 @@ -import 'dart:async'; -import 'dart:io'; -import 'package:flutter/foundation.dart'; -import 'package:path_provider/path_provider.dart'; -import 'package:path/path.dart' as path; -import 'package:shared_preferences/shared_preferences.dart'; -import 'backup_service.dart'; - -/// 自动备份服务 - 定时自动备份到下载目录 -class AutoBackupService { - static final AutoBackupService instance = AutoBackupService._init(); - - AutoBackupService._init(); - - Timer? _timer; - bool _isRunning = false; - - static const String _prefsKey = 'auto_backup_enabled'; - static const String _backupDirName = 'mooknote'; - static const int _maxBackups = 5; - static const Duration _backupInterval = Duration(minutes: 5); - - /// 是否正在运行 - bool get isRunning => _isRunning; - - /// 获取自动备份状态 - Future getEnabled() async { - final prefs = await SharedPreferences.getInstance(); - return prefs.getBool(_prefsKey) ?? false; - } - - /// 设置自动备份状态 - Future setEnabled(bool enabled) async { - final prefs = await SharedPreferences.getInstance(); - await prefs.setBool(_prefsKey, enabled); - - if (enabled) { - await start(); - } else { - await stop(); - } - } - - /// 启动自动备份 - Future start() async { - if (_isRunning) return; - - _isRunning = true; - - // 立即执行一次备份 - await _performBackup(); - - // 启动定时器 - _timer = Timer.periodic(_backupInterval, (_) async { - await _performBackup(); - }); - } - - /// 停止自动备份 - Future stop() async { - _timer?.cancel(); - _timer = null; - _isRunning = false; - } - - /// 执行备份 - Future _performBackup() async { - try { - final backupDir = await _getBackupDirectory(); - if (backupDir == null) { - debugPrint('AutoBackup: 无法获取备份目录'); - return; - } - - // 确保备份目录存在 - if (!await backupDir.exists()) { - await backupDir.create(recursive: true); - } - - // 导出数据 - final result = await BackupService.instance.exportDataForAutoBackup(); - - if (!result.success || result.zipPath == null) { - debugPrint('AutoBackup: 导出失败 - ${result.errorMessage}'); - return; - } - - // 生成备份文件名 - final fileName = 'auto_backup_${_formatDateTime(DateTime.now())}.zip'; - final backupFile = File(path.join(backupDir.path, fileName)); - - // 移动临时 zip 到备份目录 - final tempFile = File(result.zipPath!); - await tempFile.rename(backupFile.path); - - debugPrint('AutoBackup: 备份成功 - ${backupFile.path}'); - - // 清理旧备份，只保留最新的5个 - await _cleanupOldBackups(backupDir); - - } catch (e) { - debugPrint('AutoBackup: 备份失败 - $e'); - } - } - - /// 获取备份目录（下载目录/mooknote） - Future _getBackupDirectory() async { - try { - if (Platform.isAndroid) { - // 优先级 1: 官方 API 获取下载目录 - try { - final dirs = await getExternalStorageDirectories( - type: StorageDirectory.downloads, - ); - if (dirs != null && dirs.isNotEmpty) { - return Directory('${dirs.first.path}/$_backupDirName'); - } - } catch (_) {} - - // 优先级 2: 标准路径直接拼 - final standardPath = '/storage/emulated/0/Download/$_backupDirName'; - final standardDir = Directory(standardPath); - if (await standardDir.parent.exists()) { - return standardDir; - } - - // 优先级 3: 从外部存储路径推导（旧逻辑兜底） - final externalDir = await getExternalStorageDirectory(); - if (externalDir != null) { - final segments = externalDir.uri.pathSegments; - if (segments.length >= 3) { - final pkg = segments[segments.length - 3]; - final downloadPath = externalDir.path.replaceAll( - '/Android/data/$pkg/files', - '/Download', - ); - return Directory('$downloadPath/$_backupDirName'); - } - } - - // 优先级 4: 降级到 app 内部目录 - final appDir = await getApplicationDocumentsDirectory(); - return Directory('${appDir.path}/$_backupDirName'); - - } else if (Platform.isIOS) { - final docDir = await getApplicationDocumentsDirectory(); - return Directory('${docDir.path}/$_backupDirName'); - } else { - // 桌面端 - final home = Platform.environment['HOME'] ?? Platform.environment['USERPROFILE']; - if (home != null) { - return Directory('$home/Downloads/$_backupDirName'); - } - final docDir = await getApplicationDocumentsDirectory(); - return Directory('${docDir.path}/$_backupDirName'); - } - } catch (e) { - debugPrint('AutoBackup: 获取备份目录失败 - $e'); - return null; - } - } - - /// 清理旧备份，只保留最新的5个 - Future _cleanupOldBackups(Directory backupDir) async { - try { - final files = await backupDir - .list() - .where((entity) => entity is File && entity.path.endsWith('.zip')) - .cast() - .toList(); - - // 按修改时间排序（最新的在前） - files.sort((a, b) { - final aStat = a.statSync(); - final bStat = b.statSync(); - return bStat.modified.compareTo(aStat.modified); - }); - - // 删除超过10个的旧备份 - if (files.length > _maxBackups) { - for (var i = _maxBackups; i < files.length; i++) { - try { - await files[i].delete(); - debugPrint('AutoBackup: 删除旧备份 - ${files[i].path}'); - } catch (e) { - debugPrint('AutoBackup: 删除旧备份失败 - $e'); - } - } - } - } catch (e) { - debugPrint('AutoBackup: 清理旧备份失败 - $e'); - } - } - - /// 获取备份文件列表 - Future> getBackupFiles() async { - try { - final backupDir = await _getBackupDirectory(); - if (backupDir == null || !await backupDir.exists()) { - return []; - } - - final files = await backupDir - .list() - .where((entity) => entity is File && entity.path.endsWith('.zip')) - .cast() - .toList(); - - // 按修改时间排序（最新的在前） - files.sort((a, b) { - final aStat = a.statSync(); - final bStat = b.statSync(); - return bStat.modified.compareTo(aStat.modified); - }); - - return files; - } catch (e) { - debugPrint('AutoBackup: 获取备份列表失败 - $e'); - return []; - } - } - - /// 获取备份目录路径 - Future getBackupDirectoryPath() async { - final dir = await _getBackupDirectory(); - return dir?.path; - } - - /// 格式化日期时间用于文件名 - String _formatDateTime(DateTime dateTime) { - return '${dateTime.year}${_pad(dateTime.month)}${_pad(dateTime.day)}_${_pad(dateTime.hour)}${_pad(dateTime.minute)}${_pad(dateTime.second)}'; - } - - String _pad(int number) { - return number.toString().padLeft(2, '0'); - } -}