Update app.py

app.py

@@ -164,9 +164,10 @@ def add_to_cart():
         return jsonify({"success": False, "error": "Item name and price are required."})
 
     try:
-        # Query the cart to check if the item already exists
+        # Query the cart to check if the item already exists with the same instructions
         query = f"""
-            SELECT Id, Quantity__c, Add_Ons__c, Add_Ons_Price__c, Instructions__c FROM Cart_Item__c
+            SELECT Id, Quantity__c, Add_Ons__c, Instructions__c 
+            FROM Cart_Item__c 
             WHERE Customer_Email__c = '{customer_email}' AND Name = '{item_name}'
         """
         result = sf.query(query)
@@ -176,18 +177,23 @@ def add_to_cart():
         addons_price = sum(addon['price'] for addon in addons)  # New add-ons price
         new_addons = "; ".join([f"{addon['name']} (${addon['price']})" for addon in addons])  # Format new add-ons
 
-        if cart_items:
-            # If the item already exists in the cart, update it
-            cart_item_id = cart_items[0]['Id']
-            existing_quantity = cart_items[0]['Quantity__c']
-            combined_instructions = instructions if instructions else cart_items[0].get('Instructions__c', '')
+        # Check for the same instructions
+        matched_item = None
+        for item in cart_items:
+            if item.get('Instructions__c', '') == instructions:
+                matched_item = item
+                break
+
+        if matched_item:
+            # If the item already exists with the same instructions, update it
+            cart_item_id = matched_item['Id']
+            existing_quantity = matched_item['Quantity__c']
 
             sf.Cart_Item__c.update(cart_item_id, {
-                "Quantity__c": existing_quantity + 1,  # Increase quantity by 1
-                "Instructions__c": combined_instructions,  # Update instructions
+                "Quantity__c": existing_quantity + 1  # Increase quantity by 1
             })
         else:
-            # If the item does not exist in the cart, create a new one
+            # If instructions are different or item doesn't exist, create a new cart item
             sf.Cart_Item__c.create({
                 "Name": item_name,
                 "Price__c": item_price + addons_price,
@@ -197,7 +203,7 @@ def add_to_cart():
                 "Add_Ons_Price__c": addons_price,
                 "Image1__c": item_image,
                 "Customer_Email__c": customer_email,
-                "Instructions__c": instructions  # Save instructions
+                "Instructions__c": instructions  # Save the new instructions
             })
 
         return jsonify({"success": True, "message": "Item added to cart successfully."})
@@ -375,6 +381,7 @@ def checkout():
         print(f"Error during checkout: {str(e)}")
         return jsonify({"success": False, "error": str(e)})
 
+
 @app.route("/order", methods=["GET"])
 def order_summary():
     email = session.get('user_email')  # Fetch logged-in user's email