filterbackends.py 文件源码

def filter_list_queryset(self, request, queryset, view):
        label_filter = request.query_params.get('filter', None)
        threshold_date = datetime.datetime.utcnow() - relativedelta(hours=24)
        if label_filter == 'upcoming':
            queryset = queryset.filter(
                due_at__gt=threshold_date, progressreport__isnull=True
            )
        elif label_filter in ['complete', 'finished']:
            queryset = queryset.filter(
                progressreport__isnull=False
            )
        elif label_filter == 'missed':
            queryset = queryset.filter(
                due_at__lt=threshold_date, progressreport__isnull=True
            )
        if request.user.is_staff or request.user.is_superuser:
            return queryset
        return queryset.filter(
            Q(created_by=request.user) |
            Q(task__user=request.user) |
            (
                Q(task__participation__user=request.user) &
                Q(task__participation__status__in=[STATUS_INITIAL, STATUS_ACCEPTED])
            )
        )