public async Task <IActionResult> AddStudentToSubject(int subjectId, int studentId = -1)
{
if (_subjectService.DoesSubjectBelongsToStudent(subjectId, studentId))
{
return(RedirectToAction("IndexTeacher", new { subjectId = subjectId }));
}
if (studentId != -1)
{
// studentId checking
await _subjectService.AddStudentToSubject(subjectId, studentId);
}
Teacher teacher = await _authentication.GetCurrentTeacherAsync();
if (!_subjectService.DoesSubjectBelongsToTeacher(subjectId, teacher.Id))
{
return(RedirectToAction("IndexTeacher", new { subjectId = subjectId }));
}
Subject subject = _databaseWorker.GetSubjectById(subjectId);
IEnumerable <Student> availableStudents = await _subjectService.GetStudentsWithoutThisSubject(subject);
StudentSubjectViewModel model = new StudentSubjectViewModel {
Subject = subject, Students = availableStudents
};
return(View(model));
}
public StudentSubjectView()
{
InitializeComponent();
var vm = new StudentSubjectViewModel();
this.DataContext = vm;
}
// GET: StudentSubjects/Create
public IActionResult Create()
{
var model = new StudentSubjectViewModel()
{
Subjects = _context.Subjects.Include(s => s.InstituteProvider).ToList()
};
return(View(model));
}
public async Task <IActionResult> ListStudent(int subjectId)
{
Teacher teacher = await _authentication.GetCurrentTeacherAsync();
if (!_subjectService.DoesSubjectBelongsToTeacher(subjectId, teacher.Id))
{
return(RedirectToAction("IndexTeacher"));
}
Subject subject = _databaseWorker.GetSubjectById(subjectId);
StudentSubjectViewModel model = new StudentSubjectViewModel {
Subject = subject, Students = await _subjectService.GetStudentsBySubject(subject)
};
return(View(model));
}
public async Task <IActionResult> Create(StudentSubjectViewModel model)
{
var currentUser = _context.Users.FirstOrDefault(u => u.UserName == User.Identity.Name);
var studentSubject = new StudentSubject()
{
Description = model.Description,
SubjectDifficult = model.SubjectDifficult,
IsConcluded = model.IsConcluded,
SubjectId = model.SubjectId,
Student = currentUser
};
if (ModelState.IsValid)
{
_context.Add(studentSubject);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
return(View(model));
}