private void SetModelValue(int page, int takeId, QuestionQuizViewModel question, TakeQuestionAnswerViewModel model)
{
model.ItemsPerPage = ItemsPerPage;
model.PageNumber = page;
model.ElementsCount = model.QuizQuestionsCount;
model.CurrentQuestionId = question.Id;
model.QuestionValue = question.Value;
model.AverageRating = this.questionsService.GetQuestionRatingById(question.Id);
model.Answers = this.answersService.GetQuestionAnswersForTakesById(model.CurrentQuestionId);
model.TakenAnswer = this.SelectedAnswere(question.Id, takeId);
}
public TakeQuestionAnswerViewModel GetExamQuestion(string userId, int page, int num = 1)
{
int quizId = this.GetTakeQuizByUserId(userId);
int takeId = this.GetTake(userId).Id;
Quiz quiz = this.quizzesService.GetQuizById(quizId);
QuestionQuizViewModel question = this.questionsService
.GetQuestionsByQuizId <QuestionQuizViewModel>(quizId)
.OrderByDescending(x => x.Id).Skip((page - 1) * ItemsPerPage)
.Take(ItemsPerPage)
.FirstOrDefault();
TakeQuestionAnswerViewModel model = this.takeRepository.All()
.Where(x => x.Id == takeId)
.To <TakeQuestionAnswerViewModel>()
.ToList()
.FirstOrDefault();
this.SetModelValue(page, takeId, question, model);
return(model);
}
public QuizViewModel ReviewQuiz(Evaluation evaluation, string userId, bool isUserRequired = false)
{
EvaluationUser evaluationUser = evaluation.EvaluationUsers.Where(x => x.UserId == userId).FirstOrDefault();
List <QuestionQuizViewModel> quizQuestions = new List <QuestionQuizViewModel>();
foreach (var question in evaluation.Questions)
{
Dictionary <Guid, string> dictionary = question.Options.ToDictionary(x => x.Id, x => x.Option);
OptionQuizViewModel optionViewModel = new OptionQuizViewModel
{
CorrectAnswer = question.Options.Where(x => x.IsCorrectOption == true).Select(y => y.Id).FirstOrDefault(),
SelectedAnswer = evaluationUser.Answers.Where(x => question.Options.Select(y => y.Id).Contains(x.QuestionOptionId)).Select(z => z.QuestionOptionId).FirstOrDefault(),
Options = new SelectList(dictionary, "Key", "Value")
};
QuestionQuizViewModel quizQuestion = new QuestionQuizViewModel
{
ImagePath = question.ImagePath,
QuestionScore = question.Score,
QuestionText = question.QuestionText,
Options = optionViewModel
};
quizQuestions.Add(quizQuestion);
}
QuizViewModel quizViewModel = new QuizViewModel
{
Id = evaluation.Id,
QuizName = evaluation.Name,
Score = evaluation.Questions.Sum(x => x.Score),
GotScore = evaluationUser.Calification,
Questions = quizQuestions,
User = (isUserRequired) ? evaluationUser.User : null,
};
return(quizViewModel);
}
