django-filter 不适用于 django-rest-framework

django-filter not working with django-rest-framework

我正在使用 Django 2.0Django REST FrameworkDjango Filters 来过滤查询集。

我已经安装了 django-filters 并添加到 INSTALLED_APPS 作为 django_filters

设置文件有

REST_FRAMEWORK = {
    'DEFAULT_AUTHENTICATION_CLASSES': (
        'oauth2_provider.contrib.rest_framework.OAuth2Authentication'
    ),
    'DEFAULT_PERMISSION_CLASSES': [
        'rest_framework.permissions.IsAuthenticated'
    ],
    'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.PageNumberPagination',
    'PAGE_SIZE': 10,
    'DEFAULT_FILTER_BACKENDS': ('django_filters.rest_framework.DjangoFilterBackend',)
}

视图 class 就像

class AmountGivenViewSet(viewsets.ModelViewSet):
    serializer_class = AmountGivenSerializer
    permission_classes = (IsAuthenticated,)
    filterset_fields = ('contact__id',)

    def get_queryset(self):
        queryset = AmountGiven.objects.filter(
            contact__user=self.request.user
        )
        query = self.request.query_params.get('q', None)

        if query:
            queryset = queryset.filter(
                Q(transaction_number=query) |
                Q(comment__contains=query) |
                Q(amountreturned__transaction_number=query) |
                Q(amountreturned__comment__contains=query)
            )

        return queryset

AmountGiven 模型有一个指向 contact 的外键,因此想要根据 contact_id 进行过滤.

现在,当我尝试以下操作时 URL

https://example.com/api/amount-given/?contact__id=3634de36-181c-4414-93fc-f08e3d70f1e3

它不过滤结果和returns所有AmountGiven条记录。

尝试将 filterset_fields 更改为“filter_fields”,如下所示:

class AmountGivenViewSet(viewsets.ModelViewSet):
    serializer_class = AmountGivenSerializer
    permission_classes = (IsAuthenticated,)
    filterset_fields = ('contact__id',)