public static Quize ToQuize(this QuizApiModel quizApiModel)
{
return(new Quize()
{
Name = quizApiModel.Name,
Description = quizApiModel.Description,
Duration = quizApiModel.Duration,
PassingPercentage = quizApiModel.PassingPercentage,
CreatedDate = quizApiModel.CreatedDate,
IsActive = quizApiModel.IsActive
});
}
public ApiResponse <QuizApiModel> CreateQuiz(QuizApiModel quizApiModel)
{
var response = new ApiResponse <QuizApiModel>();
var quiz = quizApiModel.ToQuize();
quiz.CreatedDate = DateTime.Now;
_context.Quizes.Add(quiz);
int rowAffected = _context.SaveChanges();
response.IsSucceeded = rowAffected > 0;
quizApiModel.Id = quiz.Id;
response.Result = quizApiModel;
return(response);
}
public ApiResponse <QuizApiModel> UpdateQuiz(QuizApiModel quizApiModel)
{
var response = new ApiResponse <QuizApiModel>();
var quiz = _context.Quizes.FirstOrDefault(x => x.Id == quizApiModel.Id);
quiz.Description = quizApiModel.Description;
quiz.Duration = quizApiModel.Duration;
quiz.PassingPercentage = quizApiModel.PassingPercentage;
_context.Entry(quiz).State = EntityState.Modified;
int rowAffected = _context.SaveChanges();
response.IsSucceeded = rowAffected > 0;
response.Result = quizApiModel;
return(response);
}
public Task SubmitQuiz(int participantId, QuizApiModel quizApiModel)
{
using (DbContextTransaction dbTran = _context.Database.BeginTransaction())
{
try
{
var QuizAttemptModel = new QuizAttemptDetail
{
AttemptDate = DateTime.Now,
QuizId = quizApiModel.Id,
ParticipantId = participantId
};
_context.QuizAttemptDetails.Add(QuizAttemptModel);
_context.SaveChanges();
var quizResultModel = quizApiModel.Questions?.Select(x => new QuizResult
{
AttemptId = QuizAttemptModel.Id,
QuestionId = x.Id,
SelectedAnswer = x.Options.Where(o => o.IsSelected).Count() > 0?
x.Options.Where(o => o.IsSelected).Select(s => s.Id.ToString())?.Aggregate((a, b) => $"{a},{b}"):null,
ActualAnswer = x.Options.Where(o => o.IsAnswer)?.Select(s => s.Id.ToString())?.Aggregate((a, b) => $"{a},{b}"),
});
_context.QuizResults.AddRange(quizResultModel);
_context.SaveChanges();
dbTran.Commit();
}
catch (DbEntityValidationException ex)
{
dbTran.Rollback();
throw;
}
}
return(Task.FromResult(0));
}
public IHttpActionResult SubmitQuiz(int userId, [FromBody] QuizApiModel Quiz)
{
var response = _quizQueryServices.SubmitQuiz(userId, Quiz);
return(Ok(response));
}
public IHttpActionResult UpdateQuiz([FromBody] QuizApiModel Quiz)
{
var response = _quizQueryServices.UpdateQuiz(Quiz);
return(Ok(response));
}
