Navidrome-Integration, Widgets (Recent + Tag-Statistik)

lib/services/playlist_service.dart

@@ -0,0 +1,40 @@
+import '../database/db_helper.dart';
+import '../models/song.dart';
+import '../models/playlist.dart';
+
+class PlaylistService {
+  final DbHelper _db = DbHelper();
+
+  Future<List<Playlist>> allePlaylists() async {
+    final rows = await _db.allePlaylists();
+    final listen = <Playlist>[];
+    for (final r in rows) {
+      final id = r['id'] as int;
+      final songs = await _db.songsDerPlaylist(id);
+      listen.add(Playlist.fromMap(r, songCount: songs.length));
+    }
+    return listen;
+  }
+
+  Future<int> erstellen(String name) async {
+    return _db.playlistErstellen(name);
+  }
+
+  Future<List<Song>> songs(int playlistId) async {
+    return _db.songsDerPlaylist(playlistId);
+  }
+
+  Future<void> songHinzufuegen(int playlistId, int songId) async {
+    final songs = await _db.songsDerPlaylist(playlistId);
+    await _db.songZurPlaylist(playlistId, songId, songs.length);
+  }
+
+  Future<void> songEntfernen(int playlistId, int songId) async {
+    await _db.songAusPlaylistEntfernen(playlistId, songId);
+  }
+
+  Future<bool> istInPlaylist(int playlistId, int songId) async {
+    final songs = await _db.songsDerPlaylist(playlistId);
+    return songs.any((s) => s.id == songId);
+  }
+}