public ActionResult EditExams([Bind(Include = "StudentGroup,Exams")] StudentGroupEditExamsViewModel viewModel)
{
if (viewModel == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
var studentGroupID = viewModel.StudentGroup?.Id;
if (studentGroupID != null)
{
var studentGroup = _studentGroupService.GetByID((int)studentGroupID);
foreach (var examViewModel in viewModel.Exams)
{
var exam = _examCoreService.GetByID(examViewModel.Id);
if (examViewModel.IsAssociatedToStudentGroup == true)
{
_examCoreStudentGroupService.AssociateExamToStudentGroup(exam, studentGroup);
}
else if (examViewModel.IsAssociatedToStudentGroup == false)
{
_examCoreStudentGroupService.DisassociateExamFromStudentGroup(exam, studentGroup);
}
}
}
return(RedirectToAction("Details", new { id = studentGroupID }));
}