Processes an order by updating the stock of the products in the order and updating the order
status.
This function loops through all items in the order, updates the stock of each product, and
updates the order status. If an error occurs during the process, it is caught and logged.
Processes an order by updating the stock of the products in the order and updating the order status.
This function loops through all items in the order, updates the stock of each product, and updates the order status. If an error occurs during the process, it is caught and logged.
pickOrder