DRF의 보기(django rest framework)

from rest_framework.views import APIView
from rest_framework.response import Response

# url(r'^books/$', views.BookListView.as_view()),
class BookListView(APIView):
    def get(self, request):
        books = BookInfo.objects.all()
        serializer = BookInfoSerializer(books, many=True)
        return Response(serializer.data)

def get_queryset(self):
    user = self.request.user
    return user.accounts.all()

def get_serializer_class(self):
    if self.request.user.is_staff:
        return FullAccountSerializer
    return BasicAccountSerializer

# url(r'^books/(?P\d+)/$', views.BookDetailView.as_view()),
class BookDetailView(GenericAPIView):
    queryset = BookInfo.objects.all()
    serializer_class = BookInfoSerializer

    def get(self, request, pk):
        book = self.get_object()
        serializer = self.get_serializer(book)
        return Response(serializer.data)

class ListModelMixin(object):
    """
    List a queryset.
    """
    def list(self, request, *args, **kwargs):
        #   
        queryset = self.filter_queryset(self.get_queryset())
        #   
        page = self.paginate_queryset(queryset)
        if page is not None:
            serializer = self.get_serializer(page, many=True)
            return self.get_paginated_response(serializer.data)
        #    
        serializer = self.get_serializer(queryset, many=True)
        return Response(serializer.data)

from rest_framework.mixins import ListModelMixin

class BookListView(ListModelMixin, GenericAPIView):
    queryset = BookInfo.objects.all()
    serializer_class = BookInfoSerializer

    def get(self, request):
        return self.list(request)

class CreateModelMixin(object):
    """
    Create a model instance.
    """
    def create(self, request, *args, **kwargs):
        #       
        serializer = self.get_serializer(data=request.data)
        #   
        serializer.is_valid(raise_exception=True)
        #   
        self.perform_create(serializer)
        headers = self.get_success_headers(serializer.data)
        return Response(serializer.data, status=status.HTTP_201_CREATED, headers=headers)

    def perform_create(self, serializer):
        serializer.save()

    def get_success_headers(self, data):
        try:
            return {'Location': str(data[api_settings.URL_FIELD_NAME])}
        except (TypeError, KeyError):
            return {}

class RetrieveModelMixin(object):
    """
    Retrieve a model instance.
    """
    def retrieve(self, request, *args, **kwargs):
        #     ，        
        instance = self.get_object()
        #    
        serializer = self.get_serializer(instance)
        return Response(serializer.data)

class BookDetailView(RetrieveModelMixin, GenericAPIView):
    queryset = BookInfo.objects.all()
    serializer_class = BookInfoSerializer

    def get(self, request, pk):
        return self.retrieve(request)

class UpdateModelMixin(object):
    """
    Update a model instance.
    """
    def update(self, request, *args, **kwargs):
        partial = kwargs.pop('partial', False)
        instance = self.get_object()
        serializer = self.get_serializer(instance, data=request.data, partial=partial)
        serializer.is_valid(raise_exception=True)
        self.perform_update(serializer)

        if getattr(instance, '_prefetched_objects_cache', None):
            # If 'prefetch_related' has been applied to a queryset, we need to
            # forcibly invalidate the prefetch cache on the instance.
            instance._prefetched_objects_cache = {}

        return Response(serializer.data)

    def perform_update(self, serializer):
        serializer.save()

    def partial_update(self, request, *args, **kwargs):
        kwargs['partial'] = True
        return self.update(request, *args, **kwargs)

class DestroyModelMixin(object):
    """
    Destroy a model instance.
    """
    def destroy(self, request, *args, **kwargs):
        instance = self.get_object()
        self.perform_destroy(instance)
        return Response(status=status.HTTP_204_NO_CONTENT)

    def perform_destroy(self, instance):
        instance.delete()