public ActionResult EditSubjects(int id, AdminControllerSubjectVM subjectModel)
{
TryUpdateModel(subjectModel);
if (ModelState.IsValid)
{
Subject subject = null;
SubjectRepository subjectRepository = new SubjectRepository();
if (id > 0)
{
subject = subjectRepository.GetById(id);
subject.Name = subjectModel.Name;
subjectRepository.Save(subject);
return RedirectToAction("ManageSubjects");
}
else
{
subject = subjectRepository.GetAll(filter: s => s.Name == subjectModel.Name).FirstOrDefault();
if (subject == null)
{
subject = new Subject();
subject.Name = subjectModel.Name;
subjectRepository.Save(subject);
return RedirectToAction("ManageSubjects");
}
else
{
throw new ArgumentException("Invalid subject name");
}
}
}
return View(subjectModel);
}
public ActionResult ManageSubjects()
{
SubjectRepository subjectRepository = new SubjectRepository();
AdminControllerSubjectVM subjectModel = new AdminControllerSubjectVM();
subjectModel.subjectList = subjectRepository.GetAll();
return View(subjectModel);
}
public ActionResult EditSubjects(int id)
{
Subject subject = new Subject();
SubjectRepository subjectRepository = new SubjectRepository();
AdminControllerSubjectVM subjectModel = new AdminControllerSubjectVM();
if (id > 0)
{
subject = subjectRepository.GetById(id);
subjectModel.Name = subject.Name;
subjectModel.SubjectID = id;
}
if (id == 0)
{
subject.Name = subjectModel.Name;
}
return View(subjectModel);
}