public async Task <IActionResult> RandomTest(RandomTestViewModel model)
{
if (User.Identity.IsAuthenticated)
{
var user = await _userManager.GetUserAsync(User);
ViewBag.Name = user.Name;
}
var subject = _subjectService.GetSubject(model.SubjectId);
ViewBag.Subject = subject.Name;
if (ModelState.IsValid)
{
return(RedirectToAction("Answers", "Subject", new AnswerViewModel {
Answers = model.Answers, ProblemIds = model.ProblemIds, SubjectId = model.SubjectId
}));
}
return(View(model));
}
public async Task <IActionResult> RandomTest(int subjectId)
{
try
{
if (User.Identity.IsAuthenticated)
{
var user = await _userManager.GetUserAsync(User);
ViewBag.Name = user.Name;
}
var subject = _subjectService.GetSubject(subjectId);
ViewBag.Subject = subject.Name;
var model = new RandomTestViewModel();
var problemsOfSubject = _problemService.GetProblemsBySubjectId(subjectId);
for (int i = 1; i <= subject.MaxNumberInTest; i++)
{
var problemsOfNumber = problemsOfSubject.Where(p => p.Number == i).ToList();
if (problemsOfNumber.Count > 0)
{
var problem = problemsOfNumber[new Random().Next(0, problemsOfNumber.Count)];
model.ProblemIds.Add(problem.Id);
model.Pictures.AddRange(_pictureService.GetPicturesByProblemId(problem.Id));
model.Problems.Add(problem);
model.SubjectId = subjectId;
}
}
model.Answers = new string[model.ProblemIds.Count];
return(View(model));
}
catch (Exception exc)
{
return(base.RedirectToAction("Error", "Home", new ErrorViewModel {
Message = exc.Message
}));
}
}
