public async Task <IActionResult> AddTeacherToSubject(int subjectId, int teacherId = -1)
{
if (_subjectService.DoesSubjectBelongsToTeacher(subjectId, teacherId))
{
return(RedirectToAction("IndexTeacher", new { subjectId = subjectId }));
}
if (teacherId != -1)
{
// studentId checking
Console.WriteLine(" idddd Teacher = " + teacherId);
await _subjectService.AddTeacherToSubject(subjectId, teacherId);
}
Teacher teacher = await _authentication.GetCurrentTeacherAsync();
if (!_subjectService.DoesSubjectBelongsToTeacher(subjectId, teacher.Id))
{
return(RedirectToAction("IndexTeacher", new { subjectId = subjectId }));
}
Subject subject = _databaseWorker.GetSubjectById(subjectId);
IEnumerable <Teacher> availableTeachers = await _subjectService.GetTeachersWithoutThisSubject(subject);
TeacherSubjectViewModel model = new TeacherSubjectViewModel {
Subject = subject, Teachers = availableTeachers
};
return(View(model));
}