// Copyright (C) 2022 WYATT GROUP
// Please see the AUTHORS file for details.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.

import 'package:wyatt_architecture/wyatt_architecture.dart';
import 'package:wyatt_crud_bloc/src/core/mixins/operation.dart';
import 'package:wyatt_crud_bloc/src/domain/repositories/crud_repository.dart';
import 'package:wyatt_crud_bloc/src/domain/usecases/usecases.dart';
import 'package:wyatt_type_utils/wyatt_type_utils.dart';

/// {@template stream}
/// A use case that streams the object models.
/// {@endtemplate}
class Stream<Model>
    extends Usecase<StreamParameters, StreamResult<List<Model?>>>
    with ReadOperation<StreamParameters, StreamResult<List<Model?>>> {
  /// {@macro stream}
  const Stream(this.crudRepository);

  final CrudRepository<Model> crudRepository;

  @override
  FutureOrResult<StreamResult<List<Model?>>> execute(
    StreamParameters? params,
  ) async =>
      Ok(
        crudRepository.stream(
          id: params!.id,
          conditions: params.conditions,
        ),
      );
}