From bb7f3df837fc4b2c407e9e8299d5e65b0d4f345c Mon Sep 17 00:00:00 2001
From: Parsa Nazer <parsa.nazerrr@gmail.com>
Date: Thu, 6 Mar 2025 21:22:55 +0330
Subject: [PATCH] validation for quantity

---
 backend/order/views.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/backend/order/views.py b/backend/order/views.py
index bb21f5a..364287e 100644
--- a/backend/order/views.py
+++ b/backend/order/views.py
@@ -31,6 +31,7 @@ class CartItemViews(APIView):
         product_variant = get_object_or_404(ProductVariant, pk=pk)
         response = 'محصول با موفقیت به سبد خرید اضافه شد'
         quantity = request.data.get('quantity', 1)
+        quantity = max(quantity, 0)
         if product_variant.in_stock < quantity:
             quantity = product_variant.in_stock
             response = 'تعداد درخواستی بیشتر از موجودی محصول میباشد'