[Django prac][DRF with Single Model] 10. raise_exception

# articles > views.py 

raise_exception

is_valid()의 선택 인자

유효성 검사를 통과하지 못할 경우 ValidationError 예외를 발생시킨다 

DRF에서 제공하는 기본 예외 처리기에 의해 자동으로 처리된다. 

그리고 기본적으로 HTTP 400 응답을 반환한다.

 

raise_exception을 써주었기 때문에 

맨 밑에 return 값들을 주석처리해준 것이다. 

from rest_framework.response import Response
from rest_framework.decorators import api_view
from rest_framework import status


from .models import Article
from .serializers import ArticleListSerializer, ArticleSerializer

@api_view(['GET', 'POST'])
def article_list(request):
    if request.method == 'GET':
        articles = Article.objects.all()
        serializer = ArticleListSerializer(articles, many=True)
        return Response(serializer.data)
    
    elif request.method == 'POST':
        serializer = ArticleSerializer(data=request.data)
        if serializer.is_valid(raise_exception=True):
            serializer.save()
            return Response(serializer.data, status=status.HTTP_201_CREATED)
        # return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)



@api_view(['GET', 'DELETE', 'PUT'])
def article_detail(request, article_pk):
    article = Article.objects.get(pk=article_pk)
    if request.method == 'GET':
        serializer = ArticleSerializer(article)
        return Response(serializer.data)

    elif request.method == 'DELETE':
        article.delete()
        return Response(status=status.HTTP_204_NO_CONTENT)
    
    elif request.method == 'PUT':
        serializer = ArticleSerializer(article, data=request.data, partial=True)
        if serializer.is_valid(raise_exception=True):
            serializer.save()
            return Response(serializer.data, status=status.HTTP_200_OK)
        # return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)