@RequestMapping(value = "/orders/{orderNumber}", method = RequestMethod.POST)
 public String updateOrder(
     @ModelAttribute("order") Order order,
     BindingResult result,
     Model model,
     RedirectAttributes redirectAttributes) {
   Order persistedOrder = orderService.updateOrder(order);
   this.sendOrderStatusUpdateEmail(persistedOrder);
   logger.debug("Updated order with orderNumber : {}", persistedOrder.getOrderNumber());
   redirectAttributes.addFlashAttribute("info", "Order updated successfully");
   return "redirect:/orders";
 }
  protected void sendOrderStatusUpdateEmail(Order order) {
    try {

      // Prepare the evaluation context
      final Context ctx = new Context();
      ctx.setVariable("order", order);

      // Create the HTML body using Thymeleaf
      final String htmlContent = this.templateEngine.process("order-status-update-email", ctx);

      emailService.sendEmail(
          order.getCustomer().getEmail(), "QuilCartCart - Order Status Update", htmlContent);
    } catch (JCartException e) {
      logger.error(e);
    }
  }