public void Update(string umail)
        {
            FoodItemAccess  fia      = new FoodItemAccess();
            List <FoodItem> foodList = fia.GetUnmarkedFoodItems();

            if (foodList.Count > 0)
            {
                NotificationManager nm  = new NotificationManager();
                string      message     = nm.ComposeDueNotificationMessage(foodList);
                MailManager mailManager = new MailManager();
                BMailBot    bMailBot    = mailManager.getBMailBot();
                mailManager.sendMail(bMailBot.Username, bMailBot.Password, umail, "New Items Expired", message);
                fia.UpdateMarked(foodList);
            }
        }