Eccube\Controller\Admin\Order\MailController::view PHP Method

    public function view(Application $app, Request $request)
    {
        if ($request->isXmlHttpRequest()) {
            $id = $request->get('id');
            $MailHistory = $app['eccube.repository.mail_history']->find($id);
            if (is_null($MailHistory)) {
                throw new NotFoundHttpException('history not found.');
            }
            $event = new EventArgs(array('MailHistory' => $MailHistory), $request);
            $app['eccube.event.dispatcher']->dispatch(EccubeEvents::ADMIN_ORDER_MAIL_VIEW_COMPLETE, $event);
            return $app->render('Order/mail_view.twig', array('subject' => $MailHistory->getSubject(), 'body' => $MailHistory->getMailBody()));
        }
    }