public ActionResult <int> PostAnswer(AnswerInputModel answerModel) { Mapper mapper = new Mapper(); AnswerDTO answerDto = mapper.ConvertAnswerInputModelToAnswerDTO(answerModel); AuthorDataAccess answer = new AuthorDataAccess(); var question = answer.GetQuestionById(answerModel.QuestionID); if (question == null) { return(BadRequest("Вопроса не существует")); } if (string.IsNullOrWhiteSpace(answerModel.Value)) { return(BadRequest("Введите ответ")); } if (answerModel.Correct == null) { return(BadRequest("Введите корректный ответ или нет")); } return(Ok(answer.AddAnswer(answerDto))); }