public ActionResult <List <FeedbackOutputModel> > GetFeedbacksByTestId(int testId) { Mapper mapper = new Mapper(); AuthorDataAccess feedbacks = new AuthorDataAccess(); var test = feedbacks.GetTestById(testId); if (test == null) { return(BadRequest("Теста не существует")); } return(Ok(mapper.ConvertFeedbackDTOToFeedbackModelList(feedbacks.GetFeedbacksByTestId(testId)))); }