live<R> method

  1. @override
Stream<Response<T>> live<R>(
  1. String id, {
  2. Map<String, dynamic>? extra,
  3. R? source(
    1. R parent
    )?,
})
override

Implementation

@override
Stream<Response<T>> live<R>(
  String id, {
  Map<String, dynamic>? extra,
  R? Function(R parent)? source,
}) {
  final controller = StreamController<Response<T>>();
  final response = Response<T>();
  try {
    _source(source).doc(id).snapshots().listen((event) {
      if (event.exists || event.data() != null) {
        controller.add(response.copy(data: build(event.data())));
      } else {
        controller.addError("Data not found!");
      }
    });
  } catch (_) {
    controller.addError(_);
  }
  return controller.stream;
}