64 lines
1.9 KiB
Dart
64 lines
1.9 KiB
Dart
import 'dart:io';
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import 'package:moor/moor.dart';
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import 'package:moor_ffi/moor_ffi.dart';
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import 'package:path/path.dart' as p;
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import 'package:path_provider/path_provider.dart';
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import '../models/album_model.dart';
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import 'music_data_source_contract.dart';
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part 'moor_music_data_source.g.dart';
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@DataClassName('MoorAlbum')
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class Albums extends Table {
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TextColumn get title => text()();
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TextColumn get artist => text()();
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TextColumn get albumArtPath => text().nullable()();
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IntColumn get year => integer().nullable()();
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@override
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Set<Column> get primaryKey => {title, artist, year};
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}
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@UseMoor(tables: [Albums])
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class MoorMusicDataSource extends _$MoorMusicDataSource
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implements MusicDataSource {
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MoorMusicDataSource() : super(_openConnection());
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MoorMusicDataSource.withQueryExecutor(QueryExecutor e) : super(e);
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@override
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int get schemaVersion => 1;
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@override
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Future<List<AlbumModel>> getAlbums() async {
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return select(albums).get().then((moorAlbumList) => moorAlbumList
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.map((moorAlbum) => AlbumModel.fromMoor(moorAlbum))
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.toList());
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}
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// TODO: insert can throw exception -> implications?
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// TODO: use companion instead: https://moor.simonbinder.eu/docs/getting-started/writing_queries/
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@override
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Future<void> insertAlbum(AlbumModel albumModel) async {
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await into(albums).insert(albumModel.toMoor());
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return;
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}
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@override
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Future<bool> albumExists(AlbumModel albumModel) async {
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final List<AlbumModel> albumList = await getAlbums();
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return albumList.contains(albumModel);
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}
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}
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LazyDatabase _openConnection() {
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// the LazyDatabase util lets us find the right location for the file async.
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return LazyDatabase(() async {
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// put the database file, called db.sqlite here, into the documents folder
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// for your app.
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final Directory dbFolder = await getApplicationDocumentsDirectory();
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final File file = File(p.join(dbFolder.path, 'db.sqlite'));
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return VmDatabase(file);
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});
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}
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