public ActionResult ShowQuiz(
[Bind(Include =
"Id,AnswerOne,AnswerTwo,AnswerThree,AnswerFour,AnswerFive,AnswerSix,AnswerSeven,AnswerEight,AnswerNine,AnswerTen")]
EvaluateQuizBindingModel model)
{
string userId = this.User.Identity.GetUserId();
int gradeId = this.service.EvaluateQuiz(model, userId);
return(this.RedirectToAction("QuizResult", new { id = gradeId }));
}
public int EvaluateQuiz(EvaluateQuizBindingModel model, string userId)
{
int result = 0;
result = this.CheckAnswer(model.AnswerOne, result);
result = this.CheckAnswer(model.AnswerTwo, result);
result = this.CheckAnswer(model.AnswerThree, result);
result = this.CheckAnswer(model.AnswerFour, result);
result = this.CheckAnswer(model.AnswerFive, result);
result = this.CheckAnswer(model.AnswerSix, result);
result = this.CheckAnswer(model.AnswerSeven, result);
result = this.CheckAnswer(model.AnswerEight, result);
result = this.CheckAnswer(model.AnswerNine, result);
result = this.CheckAnswer(model.AnswerTen, result);
Quiz quiz = this.Context.Quizzes.Find(model.Id);
if (quiz == null)
{
throw new ArgumentNullException(nameof(model.Id), "There is no Quiz with such Id.");
}
Course course = quiz.Course;
User user = this.GetCurrentUser(userId);
Grade grade = new Grade()
{
Student = user,
Course = course,
Result = result,
QuizTitle = quiz.Title
};
this.Context.Grades.Add(grade);
this.Context.SaveChanges();
return(grade.Id);
}
