moviebloc.dart

class MovieListBloc {
  List<DocumentSnapshot> documentList;

  BehaviorSubject<List<DocumentSnapshot>> movieController;

  MovieListBloc() {
    movieController = BehaviorSubject<List<DocumentSnapshot>>();
  }

  Stream<List<DocumentSnapshot>> get movieStream => movieController.stream;

/*This method will automatically fetch first 10 elements from the document list */
  Future fetchFirstList() async {...}

/*This will automatically fetch the next 10 elements from the list*/
  fetchNextMovies() async {...}

  void dispose() {
    movieController.close();
    showIndicatorController.close();
  }
}