put method books

books/views.py

@@ -25,17 +25,18 @@ class BookListCreateView(APIView):
         
         return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
 
-    def delete(self, request, book_id):
-        try:
-            book = Book.objects.get(id=book_id)
-            book.delete()
-            return Response(status=status.HTTP_200_OK)
-        except Book.DoesNotExist:
-            return Response({"message": "Ce livre n'existe pas"}, status=status.HTTP_404_NOT_FOUND)
-
 
 class BookDetailView(APIView):
     permission_classes = [IsAuthenticatedOrReadOnly]
+    parser_classes = [MultiPartParser, FormParser]
+
+    def put(self, request, book_id):
+        book = Book.objects.get(id=book_id)
+        serializer = BookSerializer(book, data=request.data)
+        if serializer.is_valid():
+            serializer.save()
+            return Response(serializer.data, status=status.HTTP_200_OK)
+        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
 
     def delete(self, request, book_id):
         try: