import '../models/porter_queue_model.dart'; import '../repositories/porter_queue_repository.dart'; class PorterQueueUsecase { final PorterQueueRepository _repository; PorterQueueUsecase(this._repository); Future createPorterQueue(String userId) { return _repository.createPorterQueue(userId); } Future getPorterByUserId(String userId) { return _repository.getPorterByUserId(userId); } Future deletePorterQueue(String porterId) { return _repository.deletePorterQueue(porterId); } }