上下文
我有 2 个模型:Customer
和 DeviceGroup
。
目前我有一个 API 端点 /api/v1/device-groups/?customer_uuid=<customer_uuid>
,它返回与给定 DeviceGroups
相关的 Customer
,如下所示:
[
{
"group_uuid": "c61361ac-0826-41bb-825a-8aa8e014ae0c",
"device_group_name": "Default",
"color": "0a2f45",
"is_default": true
},
{
"group_uuid": "1a86e8e4-b41b-4f33-aefb-ce984ef96144",
"device_group_name": "Testgroup",
"color": "123456",
"is_default": false
}
]
目标
我希望 DeviceGroups
数组成为这样一个对象的一部分:
"device_groups":
[
{
"group_uuid": "c61361ac-0826-41bb-825a-8aa8e014ae0c",
"device_group_name": "Default",
"color": "0a2f45",
"is_default": true
},
{
"group_uuid": "1a86e8e4-b41b-4f33-aefb-ce984ef96144",
"device_group_name": "Testgroup",
"color": "123456",
"is_default": false
}
]
模型
# models.py
class Customer(models.Model):
customer_uuid = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False, db_index=True)
customer_name = models.CharField(max_length=128, unique=True)
class DeviceGroup(models.Model):
group_uuid = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False, db_index=True)
customer_uuid = models.ForeignKey(Customer, on_delete=models.DO_NOTHING)
device_group_name = models.CharField(max_length=20)
color = models.CharField(max_length=10)
is_default = models.BooleanField(default=False)
序列化器
# serializers.py
class DeviceGroupSerializer(serializers.ModelSerializer):
class Meta:
model = DeviceGroup
fields = ('group_uuid', 'device_group_name', 'color', 'is_default')
查看
# views.py
class DeviceGroupCustomerViewSet(viewsets.ModelViewSet):
serializer_class = DeviceGroupSerializer
def get_queryset(self):
return DeviceGroup.objects.filter(customer_uuid=self.request.GET['customer_uuid'])
我尝试创建一个新的 serializer
但它没有解决我的问题:
class TestSerializer(serializers.ModelSerializer):
device_groups = DeviceGroupSerializer(many=True, read_only=True)
class Meta:
model = DeviceGroup
fields = ('device_groups', 'group_uuid', 'device_group_name', 'color', 'is_default')
我需要更改什么才能获得所需的输出?
最佳答案
你可以像这样更新你的观点
def list(self, request):
queryset = DeviceGroup.objects.filter(customer_uuid=self.request.GET['customer_uuid'])
serializer = UserSerializer(queryset, many=True)
return Response({'device_groups': serializer.data})
这将获得所需的输出..
关于python - Django 序列化器输出作为 JSON 对象的一部分,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/55950079/