| def can_update(self, user): | |
| return user.can_update_slice(self.slice) | |
| @staticmethod | |
| def select_by_user(user): | |
| if user.is_admin: | |
| qs = SliceTag.objects.all() | |
| else: | |
| slices = Slice.select_by_user(user) | |
| qs = SliceTag.objects.filter(slice__in=slices) | |
| return qs |