Update app.py

app.py

@@ -270,22 +270,50 @@ def submit_customization_ingredients():
                 addons_price = 0
                 total_price = (base_price * quantity) + addons_price
 
-                # Create Cart_Item__c record and include Customer_Email__c
-                sf.Cart_Item__c.create({
-                    'Name': item['name'],
-                    'Base_Price__c': base_price,
-                    'Quantity__c': quantity,
-                    'Add_Ons__c': ingredient_names,
-                    'Add_Ons_Price__c': addons_price,
-                    'Price__c': total_price,
-                    'Image1__c': item.get('image_url', ''),
-                    'Instructions__c': item.get('instructions', ''),
-                    'Category__c': item.get('veg_nonveg', ''),
-                    'Section__c': item.get('section', ''),
-                    'Customer_Email__c': customer_email  # Store session email
-                })
-            logger.debug(f"Submitted {len(items)} items to Cart_Item__c")
-            return jsonify({"success": True, "message": f"Submitted {len(items)} items"})
+                # Check if item already exists in the cart for the user based on Customer_Email__c and Item Name
+                existing_item = sf.Cart_Item__c.query(f"SELECT Id, Quantity__c, Add_Ons__c, Instructions__c, Price__c FROM Cart_Item__c WHERE Customer_Email__c = '{customer_email}' AND Name = '{item['name']}' LIMIT 1")
+
+                if existing_item:  # If the item exists, update it
+                    item_id = existing_item[0]['Id']
+                    existing_quantity = existing_item[0]['Quantity__c']
+                    existing_addons = existing_item[0]['Add_Ons__c']
+                    existing_instructions = existing_item[0]['Instructions__c']
+                    existing_price = existing_item[0]['Price__c']
+
+                    # Update quantity, addons, and instructions
+                    new_quantity = existing_quantity + quantity
+                    # Ensure existing_addons and existing_instructions are never None or empty before concatenation
+                    new_addons = (existing_addons or '') + (', ' + ingredient_names if ingredient_names else '')
+                    new_instructions = (existing_instructions or '') + ('; ' + instructions if instructions else '')
+                    
+
+                    # Calculate the new total price
+                    updated_price = (base_price * new_quantity) + addons_price
+
+                    # Update the existing item in Salesforce
+                    sf.Cart_Item__c.update(item_id, {
+                        'Quantity__c': new_quantity,
+                        'Add_Ons__c': new_addons,
+                        'Instructions__c': new_instructions,
+                        'Price__c': updated_price
+                    })
+                    logger.debug(f"Updated {item['name']} in Cart_Item__c")
+                else:  # If the item doesn't exist, create a new one
+                    sf.Cart_Item__c.create({
+                        'Name': item['name'],
+                        'Base_Price__c': base_price,
+                        'Quantity__c': quantity,
+                        'Add_Ons__c': ingredient_names,
+                        'Add_Ons_Price__c': addons_price,
+                        'Price__c': total_price,
+                        'Image1__c': item.get('image_url', ''),
+                        'Instructions__c': item.get('instructions', ''),
+                        'Category__c': item.get('veg_nonveg', ''),
+                        'Section__c': item.get('section', ''),
+                        'Customer_Email__c': customer_email  # Store session email
+                    })
+                    logger.debug(f"Created new Cart_Item__c for {item['name']}")
+            return jsonify({"success": True, "message": f"Processed {len(items)} items"})
 
         elif menu_item:  # Single item customization
             ingredient_names = ', '.join(i['name'] for i in ingredients) if ingredients else ''
@@ -294,21 +322,48 @@ def submit_customization_ingredients():
             addons_price = 0
             total_price = (base_price * quantity) + addons_price
 
-            # Create Cart_Item__c record and include Customer_Email__c
-            sf.Cart_Item__c.create({
-                'Name': menu_item['name'],
-                'Base_Price__c': base_price,
-                'Quantity__c': quantity,
-                'Add_Ons__c': ingredient_names,
-                'Add_Ons_Price__c': addons_price,
-                'Price__c': total_price,
-                'Image1__c': menu_item.get('image_url', ''),
-                'Instructions__c': instructions,
-                'Category__c': menu_item.get('veg_nonveg', ''),
-                'Section__c': menu_item.get('section', ''),
-                'Customer_Email__c': customer_email  # Store session email
-            })
-            logger.debug(f"Submitted customization for {menu_item['name']} to Cart_Item__c")
+            # Check if the menu item already exists in the cart for the user
+            existing_item = sf.Cart_Item__c.query(f"SELECT Id, Quantity__c, Add_Ons__c, Instructions__c, Price__c FROM Cart_Item__c WHERE Customer_Email__c = '{customer_email}' AND Name = '{menu_item['name']}' LIMIT 1")
+
+            if existing_item:  # If the item exists, update it
+                item_id = existing_item[0]['Id']
+                existing_quantity = existing_item[0]['Quantity__c']
+                existing_addons = existing_item[0]['Add_Ons__c']
+                existing_instructions = existing_item[0]['Instructions__c']
+                existing_price = existing_item[0]['Price__c']
+
+                # Update quantity, addons, and instructions
+                new_quantity = existing_quantity + quantity
+                # Ensure existing_addons and existing_instructions are never None or empty before concatenation
+                new_addons = (existing_addons or '') + (', ' + ingredient_names if ingredient_names else '')
+                new_instructions = (existing_instructions or '') + ('; ' + instructions if instructions else '')
+                    
+                # Calculate the new total price
+                updated_price = (base_price * new_quantity) + addons_price
+
+                # Update the existing item in Salesforce
+                sf.Cart_Item__c.update(item_id, {
+                    'Quantity__c': new_quantity,
+                    'Add_Ons__c': new_addons,
+                    'Instructions__c': new_instructions,
+                    'Price__c': updated_price
+                })
+                logger.debug(f"Updated customization for {menu_item['name']} in Cart_Item__c")
+            else:  # If the item doesn't exist, create a new one
+                sf.Cart_Item__c.create({
+                    'Name': menu_item['name'],
+                    'Base_Price__c': base_price,
+                    'Quantity__c': quantity,
+                    'Add_Ons__c': ingredient_names,
+                    'Add_Ons_Price__c': addons_price,
+                    'Price__c': total_price,
+                    'Image1__c': menu_item.get('image_url', ''),
+                    'Instructions__c': instructions,
+                    'Category__c': menu_item.get('veg_nonveg', ''),
+                    'Section__c': menu_item.get('section', ''),
+                    'Customer_Email__c': customer_email  # Store session email
+                })
+                logger.debug(f"Created new Cart_Item__c for {menu_item['name']}")
             return jsonify({"success": True, "message": "Customization submitted"})
 
         else: