/// <summary>
/// Return page with link to copy
/// if link is already exist - delete previous and create new
/// </summary>
/// <param name="id">Id of quiz</param>
public ActionResult QuizLink(int?id)
{
var quiz = cx.Quizzes.Find(id);
if (quiz == null)
{
return(HttpNotFound());
}
var reference = cx.QuizReferences.Where(x => x.Quiz.Id == quiz.Id).ToList();
var model = new QuizLinkView()
{
Quiz = quiz
};
model.IsQuizValid = helper.IsQuizValid(quiz.Id, out List <string> Errors);
if (!model.IsQuizValid)
{
model.Errors = Errors;
}
if (reference.Count() != 0 && model.IsQuizValid)
{
model.Reference = reference.Single();
model.IsRefExists = true;
model.Link = GenerateLink(reference.Single());
}
return(View(model));
}
public ActionResult GetLink(QuizLinkView view)
{
var quiz = cx.Quizzes.Find(view.Quiz.Id);
if (quiz == null)
{
return(HttpNotFound());
}
var reference = cx.QuizReferences.Where(x => x.Quiz.Id == quiz.Id).ToList();
if (reference.Count != 0)
{
cx.QuizReferences.RemoveRange(reference);
}
var model = new QuizReference()
{
Id = helper.LinkGenerator(),
Quiz = quiz,
Deadline = view.Reference.Deadline,
AttemptCount = view.Reference.AttemptCount,
Type = view.Reference.Type
};
cx.QuizReferences.Add(model);
cx.SaveChanges();
return(RedirectToAction("QuizLink", new { id = quiz.Id }));
}
