private async Task <List <QuestionViewModel> > GetQuestionsForIndividualQuizAsync(string userId, int quizId, ICollection <Question> questionsEntity)
{
// get the already answered questions for this quiz
var answeredQuizQuestions = await TriviaService.GetAnsweredQuizQuestionsAsync(userId, quizId);
// get the list of all possible questions for this quiz
//var quizQuestions = await TriviaService.GetQuizQuestionsAsync(quizId);
var questionListViewModel = Mapper.Map <ICollection <Question>, List <QuestionViewModel> >(questionsEntity);
// match up the already selected answers with the questions for this quiz
foreach (var questionViewModel in questionListViewModel)
{
var answeredQuizQuestion = answeredQuizQuestions[questionViewModel.QuestionId];
questionViewModel.SelectedAnswerId = answeredQuizQuestion.AnswerId;
questionViewModel.IsAlreadyAnswered = true;
// mark the correct answer to show the user on the UI that it was correct
foreach (var answer in questionViewModel.Answers)
{
answer.IsCorrect = (answer.AnswerId == questionViewModel.CorrectAnswerId);
}
}
return(questionListViewModel);
}