public ActionResult MySubjects(string email)
{
if (email == null)
{
return(RedirectToAction("Index"));
}
subjectService = new SubjectService();
teacherService = new TeacherService();
int teacherId = teacherService.GetTeacherIdFromEmail(email);
Teacher teacher = teacherService.GetTeacherById(teacherId);
IEnumerable <Subject> teacherSubjects = subjectService.getSubjectsByTeacherId(teacherId);
if (teacher == null || teacherSubjects == null)
{
return(RedirectToAction("Index"));
}
List <TeacherSubjectNumberOfStudentsViewModel> viewModel = teacherService
.CreateTeacherSubjectNumberOfStudentsViewModel(teacher, teacherSubjects);
return(View(viewModel));
}