public async Task <IEnumerable <UserOfferedAnswer> > SolveExam(ExamApiSolveInputModel model, string userId)
{
var exam = this.Context.Exams
.Include(x => x.UserAnswers)
.Include(x => x.Questions)
.ThenInclude(x => x.PossibleAnswers)
.FirstOrDefault(x => x.Id == model.ExamId);
//TODO: make some validations to exam
;
var selectedAnswers = this.Context.Questions
.SelectMany(x => x.PossibleAnswers)
.Where(x => model.SelectedAnswers.Any(ans => ans.Id == x.Id))
.ToList();
foreach (var answer in selectedAnswers)
{
var userAnswer = new UserAnswer()
{
ExamId = model.ExamId,
UserId = userId
};
var userOfferedAnswer = new UserOfferedAnswer()
{
UserAnswer = userAnswer,
OfferedAnswer = answer
};
this.Context.UserAnswers.Add(userAnswer);
this.Context.UserOfferedAnswers.Add(userOfferedAnswer);
}
await this.Context.SaveChangesAsync();
var result = this.Context.UserOfferedAnswers
.Include(x => x.OfferedAnswer)
.Include(x => x.UserAnswer)
.ToList();
return(result);
}
public IActionResult Solve(ExamApiSolveInputModel model)
{
if (!this.ModelState.IsValid)
{
return(this.BadRequest());
}
//TODO: fix the userid is null
try
{
var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);
var result = this.ApiService.SolveExam(model, userId);
//TODO: check if need to evaluate
return(this.Ok());
}
catch (Exception e)
{
return(this.BadRequest(e.Message));
}
}
