generated from dellevin/template
代码优化，epub阅读标签
This commit is contained in:
DelLevin-Home
@@ -105,35 +105,54 @@ class AutoBackupService {
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/// 获取备份目录（下载目录/mooknote）
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Future<Directory?> _getBackupDirectory() async {
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try {
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// 尝试获取下载目录
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Directory? downloadDir;
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if (Platform.isAndroid) {
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// Android: 使用外部存储的下载目录
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// 优先级 1: 官方 API 获取下载目录
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try {
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final dirs = await getExternalStorageDirectories(
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type: StorageDirectory.downloads,
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);
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if (dirs != null && dirs.isNotEmpty) {
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return Directory('${dirs.first.path}/$_backupDirName');
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}
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} catch (_) {}
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// 优先级 2: 标准路径直接拼
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final standardPath = '/storage/emulated/0/Download/$_backupDirName';
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final standardDir = Directory(standardPath);
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if (await standardDir.parent.exists()) {
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return standardDir;
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}
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// 优先级 3: 从外部存储路径推导（旧逻辑兜底）
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final externalDir = await getExternalStorageDirectory();
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if (externalDir != null) {
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// 通常路径是 /storage/emulated/0/Android/data/.../files
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// 我们需要找到真正的下载目录
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final path = externalDir.path;
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final downloadPath = path.replaceAll(
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'/Android/data/${externalDir.uri.pathSegments[externalDir.uri.pathSegments.length - 3]}/files',
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'/Download',
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);
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downloadDir = Directory('$downloadPath/$_backupDirName');
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final segments = externalDir.uri.pathSegments;
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if (segments.length >= 3) {
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final pkg = segments[segments.length - 3];
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final downloadPath = externalDir.path.replaceAll(
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'/Android/data/$pkg/files',
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'/Download',
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);
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return Directory('$downloadPath/$_backupDirName');
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}
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}
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// 优先级 4: 降级到 app 内部目录
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final appDir = await getApplicationDocumentsDirectory();
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return Directory('${appDir.path}/$_backupDirName');
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} else if (Platform.isIOS) {
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// iOS: 使用文档目录
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final docDir = await getApplicationDocumentsDirectory();
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downloadDir = Directory('${docDir.path}/$_backupDirName');
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return Directory('${docDir.path}/$_backupDirName');
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} else {
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// 桌面端: 使用下载目录
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// 桌面端
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final home = Platform.environment['HOME'] ?? Platform.environment['USERPROFILE'];
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if (home != null) {
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downloadDir = Directory('$home/Downloads/$_backupDirName');
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return Directory('$home/Downloads/$_backupDirName');
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}
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final docDir = await getApplicationDocumentsDirectory();
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return Directory('${docDir.path}/$_backupDirName');
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}
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return downloadDir;
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} catch (e) {
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debugPrint('AutoBackup: 获取备份目录失败 - $e');
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return null;
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@@ -1,6 +1,5 @@
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import 'dart:convert';
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import 'dart:io';
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import 'package:archive/archive.dart';
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import 'package:archive/archive_io.dart';
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import 'package:file_picker/file_picker.dart';
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import 'package:flutter/foundation.dart';
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@@ -89,57 +88,73 @@ class BackupService {
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},
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};
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// 创建 ZIP
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final archive = Archive();
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final jsonString = const JsonEncoder.withIndent(' ').convert(backupData);
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final jsonBytes = Uint8List.fromList(utf8.encode(jsonString));
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archive.addFile(ArchiveFile('data.json', jsonBytes.length, jsonBytes));
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// 创建 ZIP（逐文件写入磁盘，避免全部加载到内存）
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final tempDir = await getTemporaryDirectory();
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final tempZipPath = path.join(tempDir.path, 'mooknote_backup_temp.zip');
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final encoder = ZipFileEncoder();
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encoder.create(tempZipPath);
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int imageCount = 0;
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final appDir = await getApplicationDocumentsDirectory();
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final imagesRoot = path.join(appDir.path, 'images');
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try {
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// data.json
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final jsonString = const JsonEncoder.withIndent(' ').convert(backupData);
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final jsonBytes = Uint8List.fromList(utf8.encode(jsonString));
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final dataFile = File(path.join(tempDir.path, 'mooknote_data.json'));
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await dataFile.writeAsBytes(jsonBytes);
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encoder.addFile(dataFile, 'data.json');
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await dataFile.delete();
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for (final imagePath in imagePaths) {
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final file = File(imagePath);
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if (await file.exists()) {
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final bytes = await file.readAsBytes();
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String relativePath;
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if (imagePath.startsWith(imagesRoot)) {
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relativePath = imagePath.substring(imagesRoot.length + 1);
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} else {
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relativePath = path.basename(imagePath);
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}
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archive.addFile(ArchiveFile('images/$relativePath', bytes.length, bytes));
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imageCount++;
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}
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}
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int imageCount = 0;
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final appDir = await getApplicationDocumentsDirectory();
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final imagesRoot = path.join(appDir.path, 'images');
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// 收集 epub_books 目录下的 epub 文件
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int epubCount = 0;
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final epubRoot = path.join(appDir.path, 'epub_books');
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final epubDir = Directory(epubRoot);
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if (await epubDir.exists()) {
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await for (final entity in epubDir.list(recursive: true)) {
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if (entity is File) {
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final bytes = await entity.readAsBytes();
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final relativePath = entity.path.substring(epubRoot.length + 1);
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archive.addFile(ArchiveFile('epub_books/$relativePath', bytes.length, bytes));
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epubCount++;
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for (final imagePath in imagePaths) {
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final file = File(imagePath);
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if (await file.exists()) {
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String relativePath;
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if (imagePath.startsWith(imagesRoot)) {
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relativePath = imagePath.substring(imagesRoot.length + 1);
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} else {
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relativePath = path.basename(imagePath);
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}
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encoder.addFile(file, 'images/$relativePath');
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imageCount++;
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}
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}
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// 收集 epub_books 目录下的 epub 文件
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int epubCount = 0;
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final epubRoot = path.join(appDir.path, 'epub_books');
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final epubDir = Directory(epubRoot);
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if (await epubDir.exists()) {
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await for (final entity in epubDir.list(recursive: true)) {
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if (entity is File) {
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final relativePath = entity.path.substring(epubRoot.length + 1);
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encoder.addFile(entity, 'epub_books/$relativePath');
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epubCount++;
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}
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}
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}
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encoder.close();
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// 读取最终 zip 文件
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final zipFile = File(tempZipPath);
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final zipBytes = await zipFile.readAsBytes();
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await zipFile.delete();
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return _ExportData(
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zipBytes: Uint8List.fromList(zipBytes),
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movieCount: movies.length,
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bookCount: books.length,
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noteCount: notes.length,
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imageCount: imageCount,
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epubCount: epubCount,
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);
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} catch (e) {
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encoder.close();
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try { await File(tempZipPath).delete(); } catch (_) {}
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rethrow;
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}
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final zipBytes = ZipEncoder().encode(archive);
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if (zipBytes == null) throw Exception('压缩备份文件失败');
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return _ExportData(
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zipBytes: Uint8List.fromList(zipBytes),
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movieCount: movies.length,
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bookCount: books.length,
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noteCount: notes.length,
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imageCount: imageCount,
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epubCount: epubCount,
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);
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}
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// ─── 手动导出 ─────────────────────────────────────────
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@@ -311,11 +311,16 @@ class WebDAVService {
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}
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final prefs = await SharedPreferences.getInstance();
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await prefs.setString(_lastSyncKey, DateTime.now().toIso8601String());
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// 仅在上传成功或下载成功时记录同步时间
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final bool anySuccess = uploadedFiles > 0 || downloadedFiles > 0;
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if (anySuccess) {
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await prefs.setString(_lastSyncKey, DateTime.now().toIso8601String());
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}
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return SyncResult(
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success: true,
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message: '同步完成',
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success: anySuccess,
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message: anySuccess ? '同步完成' : '同步未完成，未传输任何数据',
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lastSyncTime: DateTime.now(),
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uploadedFiles: uploadedFiles,
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downloadedFiles: downloadedFiles,
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