Django DRF必需的搜索筛选器
我有一个工作正常的视图集Django DRF必需的搜索筛选器,django,django-rest-framework,django-filter,Django,Django Rest Framework,Django Filter,我有一个工作正常的视图集 class PlayerViewSet(ModelViewSet): queryset = Player.objects.all() serializer_class = PlayerSerializer filter_backends = [SearchFilter] search_fields = ['nickname'] Url配置: path('player', PlayerViewSet.as_view({'g
class PlayerViewSet(ModelViewSet):
queryset = Player.objects.all()
serializer_class = PlayerSerializer
filter_backends = [SearchFilter]
search_fields = ['nickname']
Url配置:
path('player', PlayerViewSet.as_view({'get': 'list', 'post': 'create'})),
当我尝试使用端点搜索对象时,一切都很好,比如:'player?search=randomNickname'
但有可能在不使用搜索参数的情况下发送GET请求,并返回所有可能的对象
有什么方法可以根据需要设置搜索字段吗?因为
ModelViewSet
可以执行各种操作(获取、更新、删除..)。最好扩展SearchFilter
并使其在未传递搜索参数或出现错误时返回空结果
from rest_framework import filters
from rest_framework.exceptions import ValidationError
class CustomSearchFilter(filters.SearchFilter):
def filter_queryset(self, request, queryset, view):
search_terms = self.get_search_terms(request)
if not search_terms:
# turn queryset in EmptyQuerySet
# so no objects will be returned
return queryset.none()
# Alternatively, an error can be raise
#raise ValidationError(
# "%s parameter is required!" % self.search_param
#)
return super().filter_queryset(request, queryset, view)
class PlayerViewSet(ModelViewSet):
queryset = Player.objects.all()
serializer_class = PlayerSerializer
filter_backends = [CustomSearchFilter]
search_fields = ['nickname']
由于
ModelViewSet
可以执行各种操作(获取、更新、删除..),因此最好扩展SearchFilter
并使其在未传递搜索参数或出现错误时返回空结果
from rest_framework import filters
from rest_framework.exceptions import ValidationError
class CustomSearchFilter(filters.SearchFilter):
def filter_queryset(self, request, queryset, view):
search_terms = self.get_search_terms(request)
if not search_terms:
# turn queryset in EmptyQuerySet
# so no objects will be returned
return queryset.none()
# Alternatively, an error can be raise
#raise ValidationError(
# "%s parameter is required!" % self.search_param
#)
return super().filter_queryset(request, queryset, view)
class PlayerViewSet(ModelViewSet):
queryset = Player.objects.all()
serializer_class = PlayerSerializer
filter_backends = [CustomSearchFilter]
search_fields = ['nickname']