public async Task <IActionResult> ChangeAnswer([FromBody] ChangeAnswer answer) { if (!ModelState.IsValid) { return(BadRequest(ModelState)); } try { var response = await _answerService.ChangeAnswer(answer); if (response.Error != null) { return(StatusCode(response.Error.ErrorCode, response.Error.ErrorDescriprion)); } return(Ok(response.Data)); } catch (Exception ex) { return(StatusCode(500, new Error(ex.Message))); } }