public IActionResult SelectDisciplines(StudentDisciplinesViewModel studentDisciplines)
{
var student = _context.Users
.Include(s => s.Disciplines)
.SingleOrDefault(s => s.Id == studentDisciplines.Student.Id);
student.Disciplines.Clear();
foreach (var disc in studentDisciplines.Disciplines)
{
if (disc.IsSelected)
{
var discipline = _context.Disciplines.SingleOrDefault(d => d.Id == disc.Discipline.Id);
student.Disciplines.Add(discipline);
}
}
_context.SaveChanges();
return(RedirectToAction(nameof(Index)));
}
public IActionResult SelectDisciplines(int id)
{
var student = _db.Students.Include(s => s.Disciplines).SingleOrDefault(s => s.Id == id);
var disciplines = _db.Disciplines.ToList();
List <SelectedDisciplineViewModel> selectedDisciplines = new List <SelectedDisciplineViewModel>();
foreach (var disc in disciplines)
{
selectedDisciplines.Add(new SelectedDisciplineViewModel
{
Discipline = disc, IsSelected = student.Disciplines.Contains(disc)
});
}
StudentDisciplinesViewModel studentDisciplines = new StudentDisciplinesViewModel
{
Disciplines = selectedDisciplines,
Student = student,
};
return(View(studentDisciplines));
}
