views.py 文件源码

def get_queryset(self):
        date = self._extract_date()
        user = self._extract_user()

        queryset = models.AbsenceType.objects.values('id')
        queryset = queryset.annotate(
            date=Value(date, DateField()),
        )
        queryset = queryset.annotate(
            user=Value(user.id, IntegerField()),
        )
        queryset = queryset.annotate(
            pk=Concat(
                'user',
                Value('_'),
                'id',
                Value('_'),
                'date',
                output_field=CharField()
            )
        )

        # only myself, superuser and supervisors may see by absence balances
        current_user = self.request.user

        if not current_user.is_superuser:
            if current_user.id != user.id:
                if not current_user.supervisees.filter(id=user.id).exists():
                    return models.AbsenceType.objects.none()

        return queryset