86 lines
2.8 KiB
Dart
86 lines
2.8 KiB
Dart
import 'package:dartz/dartz.dart';
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import 'package:logging/logging.dart';
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import 'package:meta/meta.dart';
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import '../../core/error/failures.dart';
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import '../../domain/entities/album.dart';
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import '../../domain/entities/artist.dart';
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import '../../domain/entities/song.dart';
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import '../../domain/repositories/music_data_repository.dart';
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import '../datasources/local_music_fetcher_contract.dart';
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import '../datasources/music_data_source_contract.dart';
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import '../models/album_model.dart';
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import '../models/artist_model.dart';
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import '../models/song_model.dart';
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class MusicDataRepositoryImpl implements MusicDataRepository {
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MusicDataRepositoryImpl({
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@required this.localMusicFetcher,
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@required this.musicDataSource,
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});
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final LocalMusicFetcher localMusicFetcher;
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final MusicDataSource musicDataSource;
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static final _log = Logger('MusicDataRepository');
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@override
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Future<Either<Failure, List<Artist>>> getArtists() async {
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return musicDataSource.getArtists().then((List<ArtistModel> artists) =>
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Right<Failure, List<ArtistModel>>(artists));
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}
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@override
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Future<Either<Failure, List<Album>>> getAlbums() async {
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return musicDataSource.getAlbums().then(
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(List<AlbumModel> albums) => Right<Failure, List<AlbumModel>>(albums));
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}
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@override
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Future<Either<Failure, List<Song>>> getSongs() async {
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return musicDataSource.getSongs().then(
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(List<SongModel> songs) => Right<Failure, List<SongModel>>(songs));
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}
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@override
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Future<Either<Failure, List<Song>>> getSongsFromAlbum(Album album) async {
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return musicDataSource.getSongsFromAlbum(album as AlbumModel).then(
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(List<SongModel> songs) => Right<Failure, List<SongModel>>(songs));
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}
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@override
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Future<void> updateDatabase() async {
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_log.info('updataDatabase called');
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await musicDataSource.deleteAllArtists();
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final List<ArtistModel> artists = await localMusicFetcher.getArtists();
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for (final ArtistModel artist in artists) {
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await musicDataSource.insertArtist(artist);
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}
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await musicDataSource.deleteAllAlbums();
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final List<AlbumModel> albums = await localMusicFetcher.getAlbums();
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final Map<int, int> albumIdMap = {};
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for (final AlbumModel album in albums) {
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final int newAlbumId = await musicDataSource.insertAlbum(album);
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albumIdMap[album.id] = newAlbumId;
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}
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final List<SongModel> songs = await localMusicFetcher.getSongs();
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final List<SongModel> songsToInsert = [];
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for (final SongModel song in songs) {
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songsToInsert.add(song.copyWith(albumId: albumIdMap[song.albumId]));
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}
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await musicDataSource.insertSongs(songsToInsert);
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_log.info('updataDatabase finished');
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}
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@override
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Future<void> setSongBlocked(Song song, bool blocked) async {
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await musicDataSource.setSongBlocked(song as SongModel, blocked);
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}
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}
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