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New naming scheme for album files

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This commit is contained in:
Ming Ming 2021-08-06 12:52:20 +08:00
parent a4122854b4
commit 02e8bf0c76
3 changed files with 44 additions and 2 deletions
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2
lib/entity/album.dart
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@ -270,7 +270,7 @@ class AlbumRemoteDataSource implements AlbumDataSource {
// just make up something
final timestamp = DateTime.now().millisecondsSinceEpoch;
final random = Random().nextInt(0xFFFFFF);
return "${timestamp.toRadixString(16)}-${random.toRadixString(16).padLeft(6, '0')}.json";
return "${timestamp.toRadixString(16)}-${random.toRadixString(16).padLeft(6, '0')}.nc_album.json";
}
static final _log = Logger("entity.album.AlbumRemoteDataSource");

36
lib/use_case/compat/v25.dart Normal file
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@ -0,0 +1,36 @@
import 'package:logging/logging.dart';
import 'package:nc_photos/account.dart';
import 'package:nc_photos/entity/file.dart';
import 'package:nc_photos/use_case/move.dart';
import 'package:path/path.dart' as path;
/// Compatibility helper for v25
class CompatV25 {
/// Return whether the album file need to be migrated to the new naming scheme
static bool isAlbumFileNeedMigration(File albumFile) =>
albumFile.path.endsWith(".nc_album.json") == false;
/// Migrate an album file to the new naming scheme
static Future<File> migrateAlbumFile(
FileRepo fileRepo, Account account, File albumFile) =>
_MigrateAlbumFile(fileRepo)(account, albumFile);
}
class _MigrateAlbumFile {
_MigrateAlbumFile(this.fileRepo);
Future<File> call(Account account, File albumFile) async {
assert(CompatV25.isAlbumFileNeedMigration(albumFile));
final newPath = path.dirname(albumFile.path) +
"/" +
path.basenameWithoutExtension(albumFile.path) +
".nc_album.json";
_log.info("[call] Migrate album file from '${albumFile.path}' to '$newPath'");
await Move(fileRepo)(account, albumFile, newPath);
return albumFile.copyWith(path: newPath);
}
final FileRepo fileRepo;
static final _log = Logger("use_case.compat.v25._MigrateAlbumFile");
}

8
lib/use_case/list_album.dart
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@ -5,6 +5,7 @@ import 'package:nc_photos/entity/file.dart';
import 'package:nc_photos/exception.dart';
import 'package:nc_photos/remote_storage_util.dart' as remote_storage_util;
import 'package:nc_photos/use_case/compat/v15.dart';
import 'package:nc_photos/use_case/compat/v25.dart';
import 'package:nc_photos/use_case/ls.dart';
import 'package:tuple/tuple.dart';
@ -47,8 +48,13 @@ class ListAlbum {
}
final albumFiles =
ls.where((element) => element.isCollection != true).toList();
for (final f in albumFiles) {
for (var i = 0; i < albumFiles.length; ++i) {
var f = albumFiles[i];
try {
if (CompatV25.isAlbumFileNeedMigration(f)) {
f = await CompatV25.migrateAlbumFile(fileRepo, account, f);
}
albumFiles[i] = f;
yield await albumRepo.get(account, f);
} catch (e, stacktrace) {
yield Tuple2(e, stacktrace);