update cart logic

backend/product/views.py

@@ -15,6 +15,7 @@ from order.models import OrderModel
 from django.db.models import Min, Max
 from home.models import ShowCaseSlider
 from home.serializers import ShowCaseSliderSerialzier
+from order.models import Cart, CartItem
 # class APIView(APIView):
 #     def __init__(self, *args, **kwargs):
 #         super().__init__(*args, **kwargs)
@@ -58,7 +59,7 @@ class ProductView(APIView):
     def get(self, request, slug):
         product = get_object_or_404(ProductModel, slug=slug)
         if request.user.is_authenticated:
-            cart_obj, _ = OrderModel.objects.get_or_create(user=request.user, status='CART')
+            cart_obj, _ = Cart.objects.get_or_create(user=request.user)
             cart_items = cart_obj.items.all()
             cart_items_ser = OrderItemSerailzier(cart_items, many=True, context={'request': request})
             product_ser_context = {'request': request, 'view_type': 'instance', 'cart_items': cart_items_ser.data}