debug cart serializer

backend/order/serializers.py

@@ -59,11 +59,11 @@ class OrderItemSerailzier(serializers.ModelSerializer):
 
     def get_discount_amount(self, obj):
         discount_amount  = int(obj.price * (obj.product.discount / 100))
-        return f'{():,.0f} تومان'
+        return f'{(discount_amount * obj.quantity):,.0f} تومان'
 
     def get_final_price(self, obj):
         final_price = obj.price - int(obj.price * (obj.product.discount / 100))
-        return f'{():,.0f} تومان'
+        return f'{(final_price * obj.quantity):,.0f} تومان'
 
     def get_price(self, obj):
         return f'{(obj.price * obj.quantity):,.0f} تومان'