+@vary_on_auth
+class LikeView2(APIView):
+ permission_classes = [IsAuthenticated]
+
+ def get(self, request, slug):
+ book = get_object_or_404(Book, slug=slug)
+ return Response({"likes": likes(request.user, book)})
+
+ def put(self, request, slug):
+ book = get_object_or_404(Book, slug=slug)
+ book.like(request.user)
+ return Response({"likes": likes(request.user, book)})
+
+ def delete(self, request, slug):
+ book = get_object_or_404(Book, slug=slug)
+ book.unlike(request.user)
+ return Response({"likes": likes(request.user, book)})
+
+