Update menu.py

menu.py

@@ -285,17 +285,19 @@ def add_to_cart():
             if new_addons:
                 combined_addons = f"{combined_addons}; {new_addons}".strip("; ")
 
-            # Combine existing instructions with new instructions
-            combined_instructions = existing_instructions
-            if instructions:
-                combined_instructions = f"{combined_instructions} | {instructions}".strip(" | ")
+            # Ensure combined_addons is a non-None string before splitting
+            combined_addons_list = (combined_addons or "").split("; ")
 
             # Calculate total addons price
-            combined_addons_list = combined_addons.split("; ")
             combined_addons_price = sum(
                 float(addon.split("($")[1][:-1]) for addon in combined_addons_list if "($" in addon
             )
 
+            # Combine existing instructions with new instructions
+            combined_instructions = existing_instructions
+            if instructions:
+                combined_instructions = f"{combined_instructions} | {instructions}".strip(" | ")
+
             # Update the cart item in Salesforce (updating quantity)
             sf.Cart_Item__c.update(cart_item_id, {
                 "Quantity__c": existing_quantity + quantity,  # Add the selected quantity
@@ -339,6 +341,3 @@ def add_to_cart():
         # Log the error for debugging and return a general error message
         print(f"Error adding item to cart: {str(e)}")
         return jsonify({"success": False, "error": "An error occurred while adding the item to the cart."}), 500
-
-
-