private void OnSubmitAddClass(object obj)
{
SchoolUtil.HireTeacher(NewClass, NewClass.Teacher);
ClassBooks.Add(NewClass);
MainViewModel.ClassBooks.Add(NewClass);
OnPropertyChanged(nameof(ClassBooks));
NewClassDialogVisible = false;
OnPropertyChanged(nameof(NewClassDialogVisible));
Update();
}
private void OnDeleteClass(object obj)
{
if (SelectedClass == null)
{
return;
}
Teachers.Where(x => x.ClassBooks.Contains(SelectedClass)).FirstOrDefault().ClassBooks.Remove(SelectedClass);
MainViewModel.ClassBooks.Remove(SelectedClass);
ClassBooks.Remove(SelectedClass);
OnPropertyChanged(nameof(ClassBooks));
Update();
}
