public async Task <IActionResult> PostQuiz(QuizDtoForAdd model)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
//if (await _repo.SubjectExists(subject.Name))
// return BadRequest(new { message = "Subject Already Exist" });
var createdObjId = await _repo.AddQuiz(model);
return(Ok(new { createdQuizId = createdObjId }));
}