views.py 文件源码

def get(self, request):
        """GET request for the list the history of purchases of the shop."""
        purchases = Purchase.objects.annotate(num_orders=Count('orders'))\
                                    .filter(num_orders__gt=0)
        paginator = LimitOffsetPagination()
        result_page = paginator.paginate_queryset(purchases, request)
        return Response(self.serializer_class(result_page, many=True).data)