nc-photos/app/lib/use_case/preprocess_album.dart
2022-04-06 02:37:58 +08:00

30 lines
1.1 KiB
Dart

import 'package:nc_photos/account.dart';
import 'package:nc_photos/app_db.dart';
import 'package:nc_photos/entity/album.dart';
import 'package:nc_photos/entity/album/item.dart';
import 'package:nc_photos/entity/album/provider.dart';
import 'package:nc_photos/use_case/populate_album.dart';
import 'package:nc_photos/use_case/resync_album.dart';
/// Pre-process an album such that it's ready to be displayed
///
/// Internally, it'll dispatch the work depending on the album:
/// - with AlbumStaticProvider: [ResyncAlbum]
/// - with AlbumDynamicProvider/AlbumSmartProvider: [PopulateAlbum]
class PreProcessAlbum {
const PreProcessAlbum(this.appDb);
Future<List<AlbumItem>> call(Account account, Album album) {
if (album.provider is AlbumStaticProvider) {
return ResyncAlbum(appDb)(account, album);
} else if (album.provider is AlbumDynamicProvider ||
album.provider is AlbumSmartProvider) {
return PopulateAlbum(appDb)(account, album);
} else {
throw ArgumentError(
"Unknown album provider: ${album.provider.runtimeType}");
}
}
final AppDb appDb;
}