@Override
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
req.getSession().setAttribute("locked", true);
YFTheme currentTheme = themeService.getCurrentTheme();
ArrayList<YFOrder> orders = (ArrayList<YFOrder>) req.getSession().getAttribute("orders");
Float amount = 0F;
for(YFOrder order : orders) {
if (null != order.getMenu()) {