onDelete method
Implementation
@override
Future<AlbumOre> onDelete(path) async {
final ore = await fetch(path);
final pref = await preferences;
final uri = accessUri.resolve(relativePath(path));
final tweaks = SharedPrefsCodec.encode(uri.path, ore.ore);
tweaks.forEach((key, value) async {
await pref.remove(key);
});
return AlbumOre(ore);
}