price formating

backend/product/serializers.py

@@ -13,12 +13,12 @@ class ProductChatSerializer(serializers.ModelSerializer):
         if dollor_price is None:
             raise ValidationError({"dollor_price": "The 'dollor_price' must be provided in the context for dollar pricing."})
         if obj.currency == 'toman':
-            return obj.price
+            toman_price =  obj.price
         elif obj.currency == 'dollor':
-            return obj.price * dollor_price
+            toman_price =  obj.price * dollor_price
         elif obj.currency == 'derham':
-            return obj.price * dollor_price * dollar_to_dirham
-
+            toman_price =  obj.price * dollor_price * dollar_to_dirham
+        return "{:,.0f} تومان".format(toman_price)
 class ProductSerializer(ProductChatSerializer):
     class Meta:
         model = ProductModel