[Django] APIView CRUD 예제 코드

from rest_framework.views import APIView
from rest_framework.response import Response
from rest_framework import status
from .models import Item
from .serializers import ItemSerializer

class ItemListView(APIView):
    def get(self, request):
        items = Item.objects.all()
        serializer = ItemSerializer(items, many=True)
        return Response(serializer.data)

    def post(self, request):
        serializer = ItemSerializer(data=request.data)
        if serializer.is_valid():
            serializer.save()
            return Response(serializer.data, status=status.HTTP_201_CREATED)
        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)

class ItemDetailView(APIView):
    def get_object(self, pk):
        try:
            return Item.objects.get(pk=pk)  # 주어진 pk로 Item 객체를 가져오는 메소드
        except Item.DoesNotExist:
            raise status.HTTP_404_NOT_FOUND  # Item이 없을 때 404 에러 반환

    def get(self, request, pk):
        item = self.get_object(pk)  # get_object 메소드로 Item 객체 가져오기
        serializer = ItemSerializer(item)
        return Response(serializer.data)

    def put(self, request, pk):
        item = self.get_object(pk)  # get_object 메소드로 Item 객체 가져오기
        serializer = ItemSerializer(item, data=request.data)
        if serializer.is_valid():
            serializer.save()
            return Response(serializer.data)
        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)

    def delete(self, request, pk):
        item = self.get_object(pk)  # get_object 메소드로 Item 객체 가져오기
        item.delete()  # 해당 Item 객체 삭제
        return Response(status=status.HTTP_204_NO_CONTENT)

# urls.py

from django.urls import path
from .views import ItemListView, ItemDetailView

urlpatterns = [
    path('items/', ItemListView.as_view(), name='item-list'),
    path('items/<int:pk>/', ItemDetailView.as_view(), name='item-detail'),
]