109 lines
3.5 KiB
Dart
109 lines
3.5 KiB
Dart
import 'dart:io';
|
|
|
|
import 'package:drift/drift.dart';
|
|
import 'package:drift/native.dart';
|
|
import 'package:path/path.dart' as p;
|
|
import 'package:path_provider/path_provider.dart';
|
|
|
|
part 'database.g.dart';
|
|
|
|
/// Songs. Sync-fähig ab Tag 1: [id] ist eine stabile UUID, [updatedAtMs] und
|
|
/// [deleted] (Tombstone) ermöglichen späteren Cloud-Sync ohne Schema-Umbau.
|
|
class Songs extends Table {
|
|
TextColumn get id => text()(); // uuid
|
|
TextColumn get path => text().unique()();
|
|
TextColumn get title => text()();
|
|
TextColumn get artist => text().nullable()();
|
|
TextColumn get album => text().nullable()();
|
|
IntColumn get durationMs => integer().nullable()();
|
|
TextColumn get coverPath => text().nullable()();
|
|
IntColumn get dateAddedMs => integer()();
|
|
IntColumn get updatedAtMs => integer()();
|
|
BoolColumn get deleted => boolean().withDefault(const Constant(false))();
|
|
|
|
@override
|
|
Set<Column> get primaryKey => {id};
|
|
}
|
|
|
|
/// Vom Nutzer gewählte Musikordner, die gescannt werden.
|
|
class Folders extends Table {
|
|
TextColumn get id => text()(); // uuid
|
|
TextColumn get path => text().unique()();
|
|
IntColumn get updatedAtMs => integer()();
|
|
BoolColumn get deleted => boolean().withDefault(const Constant(false))();
|
|
|
|
@override
|
|
Set<Column> get primaryKey => {id};
|
|
}
|
|
|
|
@DriftDatabase(tables: [Songs, Folders])
|
|
class MeloDb extends _$MeloDb {
|
|
MeloDb([QueryExecutor? executor]) : super(executor ?? _open());
|
|
|
|
@override
|
|
int get schemaVersion => 1;
|
|
|
|
Stream<List<Song>> watchSongs() {
|
|
return (select(songs)
|
|
..where((s) => s.deleted.equals(false))
|
|
..orderBy([(s) => OrderingTerm(expression: s.title)]))
|
|
.watch();
|
|
}
|
|
|
|
Stream<List<Song>> watchRecent({int limit = 50}) {
|
|
return (select(songs)
|
|
..where((s) => s.deleted.equals(false))
|
|
..orderBy([
|
|
(s) => OrderingTerm(expression: s.dateAddedMs, mode: OrderingMode.desc)
|
|
])
|
|
..limit(limit))
|
|
.watch();
|
|
}
|
|
|
|
Stream<List<Song>> searchSongs(String query) {
|
|
final like = '%${query.toLowerCase()}%';
|
|
return (select(songs)
|
|
..where((s) =>
|
|
s.deleted.equals(false) &
|
|
(s.title.lower().like(like) |
|
|
s.artist.lower().like(like) |
|
|
s.album.lower().like(like)))
|
|
..orderBy([(s) => OrderingTerm(expression: s.title)]))
|
|
.watch();
|
|
}
|
|
|
|
Future<List<Song>> allSongs() => select(songs).get();
|
|
|
|
Future<void> upsertSongs(List<SongsCompanion> items) async {
|
|
await batch((b) => b.insertAllOnConflictUpdate(songs, items));
|
|
}
|
|
|
|
/// Tombstone für Songs, deren Datei beim Scan nicht mehr gefunden wurde.
|
|
Future<void> markMissing(List<String> livePaths, int now) async {
|
|
final q = update(songs)..where((s) => s.deleted.equals(false));
|
|
if (livePaths.isNotEmpty) {
|
|
q.where((s) => s.path.isNotIn(livePaths));
|
|
}
|
|
await q.write(
|
|
SongsCompanion(deleted: const Value(true), updatedAtMs: Value(now)),
|
|
);
|
|
}
|
|
|
|
Stream<List<Folder>> watchFolders() =>
|
|
(select(folders)..where((f) => f.deleted.equals(false))).watch();
|
|
|
|
Future<List<Folder>> activeFolders() =>
|
|
(select(folders)..where((f) => f.deleted.equals(false))).get();
|
|
|
|
Future<void> addFolder(FoldersCompanion folder) =>
|
|
into(folders).insert(folder, onConflict: DoUpdate((_) => folder, target: [folders.path]));
|
|
}
|
|
|
|
LazyDatabase _open() {
|
|
return LazyDatabase(() async {
|
|
final dir = await getApplicationSupportDirectory();
|
|
final file = File(p.join(dir.path, 'melo.sqlite'));
|
|
return NativeDatabase.createInBackground(file);
|
|
});
|
|
}
|