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代码优化2

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DelLevin-Home
2026-06-27 19:20:03 +08:00
parent bcff4f6c01
commit a1fe0a23ef
31 changed files with 285 additions and 162 deletions
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8
lib/utils/sync/auto_backup_service.dart
View File

@@ -44,16 +44,16 @@ class AutoBackupService {
/// 启动自动备份
Future<void> 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();
});
_isRunning = true;
}
/// 停止自动备份

50
lib/utils/sync/backup_service.dart
View File

@@ -114,6 +114,21 @@ class BackupService {
}
}
// 收集 epub_books 目录下的 epub 文件
int epubCount = 0;
final epubRoot = path.join(appDir.path, 'epub_books');
final epubDir = Directory(epubRoot);
if (await epubDir.exists()) {
await for (final entity in epubDir.list(recursive: true)) {
if (entity is File) {
final bytes = await entity.readAsBytes();
final relativePath = entity.path.substring(epubRoot.length + 1);
archive.addFile(ArchiveFile('epub_books/$relativePath', bytes.length, bytes));
epubCount++;
}
}
}
final zipBytes = ZipEncoder().encode(archive);
if (zipBytes == null) throw Exception('压缩备份文件失败');
@@ -123,6 +138,7 @@ class BackupService {
bookCount: books.length,
noteCount: notes.length,
imageCount: imageCount,
epubCount: epubCount,
);
}
@@ -187,6 +203,7 @@ class BackupService {
bookCount: data.bookCount,
noteCount: data.noteCount,
imageCount: data.imageCount,
epubCount: data.epubCount,
);
} catch (e) {
return AutoBackupExportResult.error('导出失败: $e');
@@ -239,6 +256,13 @@ class BackupService {
// 用完整相对路径做 key，避免不同目录下同名文件碰撞
imagePathMap[relativePath] = outputFile.path;
imageCount++;
} else if (archiveFile.name.startsWith('epub_books/')) {
final relativePath = archiveFile.name.substring(12);
final epubDir = Directory(path.join(appDir.path, 'epub_books'));
if (!await epubDir.exists()) await epubDir.create(recursive: true);
final outputFile = File(path.join(epubDir.path, relativePath));
if (!await outputFile.parent.exists()) await outputFile.parent.create(recursive: true);
await outputFile.writeAsBytes(archiveFile.content as List<int>);
}
}
} else {
@@ -354,6 +378,13 @@ class BackupService {
await outputFile.writeAsBytes(archiveFile.content as List<int>);
imagePathMap[relativePath] = outputFile.path;
imageCount++;
} else if (archiveFile.name.startsWith('epub_books/')) {
final relativePath = archiveFile.name.substring(12);
final epubDir = Directory(path.join(appDir.path, 'epub_books'));
if (!await epubDir.exists()) await epubDir.create(recursive: true);
final outputFile = File(path.join(epubDir.path, relativePath));
if (!await outputFile.parent.exists()) await outputFile.parent.create(recursive: true);
await outputFile.writeAsBytes(archiveFile.content as List<int>);
}
}
@@ -475,14 +506,21 @@ class BackupService {
return map;
}
/// 恢复 SharedPreferences（保留当前 avatarPath，因为已在上面用 imagePathMap 更新过）
/// 恢复 SharedPreferences（保留当前设备的同步和路径配置）
Future<void> _restoreSharedPrefs(Map<String, dynamic> data) async {
final prefs = await SharedPreferences.getInstance();
// 这些键是设备特定的，不应从备份恢复
const skipKeys = {
'avatarPath',
'webdav_config',
'webdav_last_sync',
'webdav_auto_sync',
'webdav_auto_sync_interval',
};
for (final entry in data.entries) {
final key = entry.key;
final value = entry.value;
// avatarPath 已单独处理，跳过
if (key == 'avatarPath') continue;
if (skipKeys.contains(key)) continue;
if (value is String) {
await prefs.setString(key, value);
} else if (value is int) {
@@ -592,6 +630,7 @@ class _ExportData {
final int bookCount;
final int noteCount;
final int imageCount;
final int epubCount;
_ExportData({
required this.zipBytes,
@@ -599,6 +638,7 @@ class _ExportData {
required this.bookCount,
required this.noteCount,
required this.imageCount,
this.epubCount = 0,
});
}
@@ -612,6 +652,7 @@ class AutoBackupExportResult {
final int bookCount;
final int noteCount;
final int imageCount;
final int epubCount;
AutoBackupExportResult._({
required this.success,
@@ -621,6 +662,7 @@ class AutoBackupExportResult {
this.bookCount = 0,
this.noteCount = 0,
this.imageCount = 0,
this.epubCount = 0,
});
factory AutoBackupExportResult.success({
@@ -629,11 +671,13 @@ class AutoBackupExportResult {
required int bookCount,
required int noteCount,
required int imageCount,
int epubCount = 0,
}) {
return AutoBackupExportResult._(
success: true, zipBytes: zipBytes,
movieCount: movieCount, bookCount: bookCount,
noteCount: noteCount, imageCount: imageCount,
epubCount: epubCount,
);
}

98
lib/utils/sync/webdav_service.dart
View File

@@ -57,6 +57,7 @@ class WebDAVService {
Timer? _autoSyncTimer;
bool _isAutoSyncEnabled = false;
int _autoSyncIntervalMinutes = _defaultAutoSyncInterval;
bool _isSyncing = false;
/// 获取配置
Future<Map<String, String>?> getConfig() async {
@@ -195,8 +196,15 @@ class WebDAVService {
/// 同步数据 — 完整备份 zip 格式，与本地备份完全一致
Future<SyncResult> syncData({SyncDirection direction = SyncDirection.bidirectional}) async {
// 防止并发同步
if (_isSyncing) {
return SyncResult(success: false, message: '同步正在进行中，请稍后再试');
}
_isSyncing = true;
final config = await getConfig();
if (config == null) {
_isSyncing = false;
return SyncResult(success: false, message: '未配置 WebDAV');
}
@@ -255,27 +263,42 @@ class WebDAVService {
}
} else if (direction == SyncDirection.bidirectional) {
final tempDir = await getTemporaryDirectory();
final tempZip = File(p.join(tempDir.path, 'mooknote_bidir.zip'));
// 获取远程备份的修改时间
final remoteModTime = await _getRemoteFileModifiedTime(client, zipUrl, username, password);
final downloadSuccess = await _downloadFile(client, zipUrl, username, password, tempZip);
if (downloadSuccess && await tempZip.exists()) {
final bytes = await tempZip.readAsBytes();
final importResult = await BackupService.instance.restoreFromZipBytes(bytes);
await tempZip.delete();
// 获取上次同步时间
final syncPrefs = await SharedPreferences.getInstance();
final lastSyncStr = syncPrefs.getString(_lastSyncKey);
final lastSyncTime = lastSyncStr != null ? DateTime.tryParse(lastSyncStr) : null;
if (importResult.success) {
downloadedFiles = 1;
downloadedImages = importResult.stats?['图片'] ?? 0;
needReload = true;
debugPrint('[WebDAV] 远程备份已恢复: ${importResult.statsText}');
final bool remoteIsNewer = remoteModTime != null &&
(lastSyncTime == null || remoteModTime.isAfter(lastSyncTime));
if (remoteIsNewer) {
// 远程更新，下载并恢复
final tempDir = await getTemporaryDirectory();
final tempZip = File(p.join(tempDir.path, 'mooknote_bidir.zip'));
final downloadSuccess = await _downloadFile(client, zipUrl, username, password, tempZip);
if (downloadSuccess && await tempZip.exists()) {
final bytes = await tempZip.readAsBytes();
final importResult = await BackupService.instance.restoreFromZipBytes(bytes);
await tempZip.delete();
if (importResult.success) {
downloadedFiles = 1;
downloadedImages = importResult.stats?['图片'] ?? 0;
needReload = true;
debugPrint('[WebDAV] 远程备份较新，已恢复: ${importResult.statsText}');
}
} else {
try { await tempZip.delete(); } catch (_) {}
}
} else {
try { await tempZip.delete(); } catch (_) {}
debugPrint('[WebDAV] 服务器无备份，仅上传本地数据');
debugPrint('[WebDAV] 本地数据已是最新或远程无更新，跳过下载');
}
// 始终上传本地，确保远程是最新的
// 上传本地备份（无论是否下载，确保远程有最新数据）
final exportResult = await BackupService.instance.exportDataForAutoBackup();
if (exportResult.success && exportResult.zipBytes != null) {
final uploadSuccess = await _uploadBytes(client, zipUrl, username, password, exportResult.zipBytes!);
@@ -305,6 +328,8 @@ class WebDAVService {
}
} catch (e) {
return SyncResult(success: false, message: '同步失败: $e');
} finally {
_isSyncing = false;
}
}
@@ -346,7 +371,11 @@ class WebDAVService {
Duration(minutes: _autoSyncIntervalMinutes),
(timer) async {
if (_isAutoSyncEnabled) {
await syncData(direction: SyncDirection.bidirectional);
try {
await syncData(direction: SyncDirection.bidirectional);
} catch (e) {
debugPrint('[WebDAV] 自动同步异常: $e');
}
}
},
);
@@ -456,6 +485,43 @@ class WebDAVService {
}
}
/// 获取远程文件的修改时间
Future<DateTime?> _getRemoteFileModifiedTime(
http.Client client,
String url,
String username,
String password,
) async {
try {
var request = http.Request('HEAD', Uri.parse(url));
request.headers['Authorization'] = _basicAuth(username, password);
var response = await client.send(request);
// 处理重定向
if (response.statusCode == 301 || response.statusCode == 302 ||
response.statusCode == 307 || response.statusCode == 308) {
final location = response.headers['location'];
if (location != null) {
request = http.Request('HEAD', Uri.parse(location));
request.headers['Authorization'] = _basicAuth(username, password);
response = await client.send(request);
}
}
if (response.statusCode == 200) {
final lastModified = response.headers['last-modified'];
if (lastModified != null) {
return HttpDate.parse(lastModified);
}
}
return null;
} catch (e) {
debugPrint('[WebDAV] 获取远程文件时间失败: $e');
return null;
}
}
/// Basic Auth 编码
String _basicAuth(String username, String password) {
final credentials = base64Encode(utf8.encode('$username:$password'));