mucke/lib/domain/repositories/music_data_repository.dart

import '../entities/album.dart';
import '../entities/artist.dart';
import '../entities/song.dart';

abstract class MusicDataInfoRepository {
  Future<Song> getSongByPath(String path);
  Stream<List<Song>> get songStream;
  Stream<List<Song>> getAlbumSongStream(Album album);
  Stream<List<Song>> getArtistSongStream(Artist artist);

  Stream<List<Album>> get albumStream;
  Stream<List<Album>> getArtistAlbumStream(Artist artist);

  Stream<List<Artist>> get artistStream;
}

abstract class MusicDataRepository extends MusicDataInfoRepository {
  Future<void> updateDatabase();
}