Update app.py

app.py

@@ -267,32 +267,36 @@ def get_addons():
 
 @app.route("/cart/update_quantity", methods=["POST"])
 def update_quantity():
-    data = request.json  # Extract JSON data from the request
-    email = data.get('email')  # Customer email
-    item_name = data.get('item_name')  # Item name (Cart Item Name in Salesforce)
-    quantity = data.get('quantity')  # New quantity
+    # Step 1: Extract JSON data from the request
+    data = request.json  
+    email = data.get('email')  # Get customer's email
+    item_name = data.get('item_name')  # Get item's name
+    quantity = data.get('quantity')  # Get the updated quantity
 
-    # Validate inputs
+    # Step 2: Validate the input
     if not email or not item_name or not quantity:
         return jsonify({"success": False, "error": "Email, item name, and quantity are required."}), 400
 
     try:
-        # Query the cart item using the correct field names
+        # Step 3: Query Salesforce to find the cart item
         cart_items = sf.query(
-            f"SELECT Id, Quantity__c FROM Cart_Item__c WHERE Customer_Email__c = '{email}' AND Name__c = '{item_name}'"
+            f"SELECT Id, Quantity__c FROM Cart_Item__c WHERE Customer_Email__c = '{email}' AND Name = '{item_name}'"
         )['records']
 
+        # Step 4: Check if the item exists in the cart
         if not cart_items:
             return jsonify({"success": False, "error": "Cart item not found."}), 404
 
-        # Get the first matching record ID
+        # Step 5: Get the unique Salesforce ID of the cart item
         cart_item_id = cart_items[0]['Id']
 
-        # Update the quantity in Salesforce
+        # Step 6: Update the quantity in Salesforce
         sf.Cart_Item__c.update(cart_item_id, {"Quantity__c": quantity})
 
+        # Step 7: Return a success response
         return jsonify({"success": True, "new_quantity": quantity})
     except Exception as e:
+        # Handle errors and return an error response
         return jsonify({"success": False, "error": str(e)}), 500