public void DeleteAnswer(int answerId)
{
var answer = answerRepo.GetAnswerById(answerId);
GeneralHelpers.ThrowIfNull(answer);
answerRepo.DeleteAnswer(answer);
}
public async Task <ActionResult> DeleteQuiz(string Id, IFormCollection collection, Quiz quiz)
{
try
{
// TODO: Add update logic here
if (Id == null)
{
return(RedirectToAction("Quizzes"));
}
//delete quiz
await quizRepo.DeleteQuiz(Guid.Parse(Id));
//delete questions
var questions = await questionRepo.GetQuestionsByQuizAsync(Guid.Parse(Id));
foreach (var item in questions)
{
//get answer
var answer = await answerRepo.GetAnswerByQuestionAsync(item.QuestionId);
//delete answer
await answerRepo.DeleteAnswer(answer.AnswerID);
//get choices
var choices = await choiceRepo.GetChoicesAsync(item.QuestionId);
foreach (var choice in choices)
{
await choiceRepo.DeleteChoice(choice.ChoiceID);
}
}
return(RedirectToAction("Quizzes"));
}
catch (Exception ex)
{
Debug.WriteLine($"update error. {ex.Message}");
ModelState.AddModelError("", "Update actie mislukt." + ex.InnerException.Message);
return(View(quiz));
}
}
