public async Task <IActionResult> Exam(ExamViewModel model) { ModelState.Clear(); var interview = await _interviewService.GetInterviewAsync(model.InterviewId); if (interview != null) { await _interviewService.SaveResponcesForInterviewAsync(ViewModelBuilder.GetExamResponses(model)); if (await _interviewService.UpdateInterviewScoreAsync(interview, CalculationManager.CalculateFinalInterviewScore(model.Questions, model.Type))) { return(RedirectToAction(nameof(Complete), new { id = interview.Id })); } } return(RedirectToAction(nameof(HomeController.Error))); }