public ActionResult SaveNewSubject(TeacherSubjectViewModel viewModel)
{
subjectService = new SubjectService();
if (!ModelState.IsValid)
{
return(RedirectToAction("Index", "Subject"));
}
// check if teacher who creates the suubject has already a subject allocated
if (subjectService.CheckIfTeacherHasSubject(viewModel.Subject.TeacherId))
{
// find if there are non-allocated teachers and give the subject to the 1st of them
List <Teacher> nonAllocatedTeachers = subjectService.GetNonAllocatedTeachers();
// if there's no non-allocated teachers available redirect to...
if (nonAllocatedTeachers.Count() == 0)
{
return(View("NoTeachersAvailable"));
}
// if there's at leaste one, give the subject to the first of them
Teacher chosenTeacher = nonAllocatedTeachers.ToArray()[0];
// create the subject and save it
subjectService.CreateNewSubjectAndSaveIt(viewModel, chosenTeacher);
return(RedirectToAction("Index"));
}
subjectService.CreateNewSubjectAndSaveIt(viewModel);
return(RedirectToAction("Index"));
}
