public static ShowProblemViewModel GetShowProblemViewModel(Problem problem)
{
var spvm = new ShowProblemViewModel();
spvm.Author = problem.Author.UserName;
spvm.Name = problem.Name;
spvm.Text = problem.Text;
spvm.Id = problem.Id;
spvm.Category = problem.Category.Name;
spvm.IsBlocked = problem.IsBlocked;
var sb = new StringBuilder();
foreach (var tag in problem.Tags)
{
sb.Append(tag.Name);
sb.Append(',');
}
spvm.TagsString = sb.ToString();
sb.Clear();
foreach (var ans in problem.CorrectAnswers)
{
sb.Append(ans.Text);
sb.Append(';');
}
sb.Remove(sb.Length - 1, 1);
spvm.Answers = sb.ToString();
spvm.Comments = new List<CommentViewModel>();
foreach (var comment in problem.Comments)
{
CommentViewModel com = new CommentViewModel() { AddingTime = comment.dateTime, AuthorName = comment.User.UserName, ProblemId = problem.Id, Text = comment.Text };
spvm.Comments.Add(com);
}
spvm.Likes = problem.Likes.Count;
spvm.Dislikes = problem.Dislikes.Count;
return spvm;
}
public ActionResult Show(ShowProblemViewModel problemView)
{
if (problemView.Author == User.Identity.Name)
{
problemView.Answers = "";
return View(problemView);
}
Problem problem = problemRepository.GetByID(problemView.Id);
var pvm = GlobalHelper.GetShowProblemViewModel(problem);
pvm.IsSolved = false;
if (ModelState.IsValidField("Answers"))
if (GlobalHelper.AreEqual(GetAnswersFromString(problemView.Answers, problem), problem.CorrectAnswers))
{
userSolvedRepository.Insert(new UserSolvedProblem { UserId = UserManager.FindByName(User.Identity.Name).Id, ProblemId = problem.Id });
var user = UserManager.FindByName(User.Identity.Name);
int attempts= (from attempt in user.AttemptedProblems
where attempt.User==user
select attempt).Count();
double rating = 100;
for (int i = 0; i < attempts; i++)
rating *= 0.95;
user.Rating += (int)rating;
UserManager.Update(user);
pvm.IsSolved = true;
}
else
{
userAttemptedRepository.Insert(new UserAttemptedProblem { UserId = UserManager.FindByName(User.Identity.Name).Id, ProblemId = problem.Id });
}
var md = new Markdown();
problem.Text = md.Transform(problem.Text);
return View(pvm);
}
