notifier.dart

@riverpod
class MovieNotifier extends _$MovieNotifier {
  @override
  FutureOr<List<Movie>> build() async {
    return _fetch();
  }

  Future<List<Movie>> _fetch([String filter = ""]) async {
    final movieService = ref.read(movieServiceProvider.notifier);
    return movieService.fetchMovies(filter);
  }
}