DRF击退json

Question

我已经以以下格式返回json。

但是，我想返回json分解namingzone键，如下所示。

有人能告诉我如何修改序列化程序来实现这一点吗？

下面还指定了serializer.py。

关于models.py和views.py，请参考my previous post。

电流

{
    "zone": {
        "zone": "office_enclosed",
        "namingzone": [
            {
                "naming": "moffice"
            }
        ]
    },
    "lpd": 11.9,
    "sensor": true
},
{
    "zone": {
        "zone": "office_open",
        "namingzone": [
            {
                "naming": "off"
            },
            {
                "naming": "office"
            }
        ]
    },
    "lpd": 10.5,
    "sensor": true
}  

目标

{
    "zone": "office_enclosed",
    "naming": "moffice",
    "lpd": 11.9,
    "sensor": true
},
{
    "zone": "office_open",
    "naming": "off",
    "lpd": 10.5,
    "sensor": true
},
{
    "zone": "office_open",
    "naming": "office",
    "lpd": 10.5,
    "sensor": true
}  

serializer.py

class namingNewSerializer(serializers.ModelSerializer):

    class Meta:
        model=Naming
        fields=('naming',)

class zoneSerializer(serializers.ModelSerializer):
    namingzone=namingNewSerializer(many=True)

    class Meta:
        model=Zone
        fields = ('zone','namingzone')

class lightSerializer(serializers.ModelSerializer):
    zone = zoneSerializer()

    class Meta:
        model=Light
        fields = ('zone','lpd','sensor')

class namingSerializer(serializers.ModelSerializer):
    zone=zoneSerializer()

    class Meta:
        model=Naming
        fields=('zone','naming')

Answer 1

我认为使用序列化程序可能会使实现复杂化。相反，你可以采取一种仿生的方法。就像这样：

class SomeView(APIView):
     ...
     def get(self, request, *args, **kwargs):
         data = lightSerializer(Light.objects.all(), many=True).data
         data = list(data)  # convert lazy object to list
         updated_data = list()
         for item in data:
             newdict = dict()
             zone = item['zone']
             newdict.update({'zone':zone['zone'], 'lpd': item['lpd'], 'sensor':item['sensor']})
             for naming_zone in zone.get('namingzone'):
                 naming_zone.update(newDict)
                 updated_data.append(naming_zone)

         return Response(updated_data, status=status.HTTP_200_OK)

Answer 2

请参阅关于source的DRF文档。会对你有帮助的。

https://www.django-rest-framework.org/api-guide/fields/#source