45 lines
1.5 KiB
Dart
45 lines
1.5 KiB
Dart
// Copyright (C) 2022 WYATT GROUP
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// Please see the AUTHORS file for details.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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import 'dart:async';
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import 'package:wyatt_architecture/wyatt_architecture.dart';
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import 'package:wyatt_crud_bloc/src/core/mixins/operation.dart';
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import 'package:wyatt_crud_bloc/src/domain/entities/object_model.dart';
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import 'package:wyatt_crud_bloc/src/domain/repositories/crud_repository.dart';
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/// {@template get}
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/// A use case that gets an object model.
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/// {@endtemplate}
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class Get<Model extends ObjectModel> extends AsyncUseCase<String, Model?>
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with ReadOperation<Model, String, Model?> {
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/// {@macro get}
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Get(this._crudRepository);
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final CrudRepository<Model> _crudRepository;
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@override
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FutureOr<void> onStart(String? params) {
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if (params == null) {
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throw const ClientException('Id cannot be null.');
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}
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}
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@override
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FutureOrResult<Model?> execute(String? params) =>
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_crudRepository.get(params!);
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}
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