如何在Django Rest框架中向发布方法添加一些cutom代码

debugcn 发表于 Dev

健康法力值

我是django rest框架的新手。我试图构建一个API，在其中我想编辑POST方法，以便可以执行一些操作并更改POST正文中的某些数据。我试图遵循django rest框架网站上的一些文档和指南，但没有遵循。请帮我。

在这里，我需要为将要保存在数据库中的某些字段设置一些值。views.py

from .models import LoginActivity
from .serializers import LoginActivitySerializers

class LoginActivity(viewsets.ModelViewSet):
    queryset = LoginActivity.objects.all()
    serializer_class = LoginActivitySerializers

urls.py

from django.urls import path, include
from rest_framework import routers
from . import views

router = routers.DefaultRouter()
router.register(r'LoginActivity', views.LoginActivity, basename='LoginActivity')

# Wire up our API using automatic URL routing.
# Additionally, we include login URLs for the browsable API.
appname='api'
urlpatterns = [
    path('', include(router.urls)),
    path('api-auth/', include('rest_framework.urls', namespace='rest_framework'))
]

serializers.py

from rest_framework import serializers
from .models import LoginActivity

class LoginActivitySerializers(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = LoginActivity
        fields = ('id', 'user_id', 'datetimelog', 'device_os', 'device_token', 'device_model')

请帮我。

优德美

您可以覆盖来自其他框架的其余框架create方法，viewsets.ModelViewSet并更新请求数据或执行其他一些操作。

from .models import LoginActivity
from .serializers import LoginActivitySerializers

class LoginActivity(viewsets.ModelViewSet):
    queryset = LoginActivity.objects.all()
    serializer_class = LoginActivitySerializers

    def create(self, request, *args, **kwargs):
        # here you have your post data in request.data
        data = request.data
        # you can do some action here just before create action
        # after that you can call super method or return your response
        serializer = self.get_serializer(data=data)
        serializer.is_valid(raise_exception=True)
        self.perform_create(serializer)
        return Response(status=status.HTTP_201_CREATED)

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