/**
     * 会員のアクティベート（本会員化）を行う.
     *
     * @param Application $app
     * @param Request $request
     * @param $secret_key
     * @return \Symfony\Component\HttpFoundation\Response
     */
    public function activate(Application $app, Request $request, $secret_key)
    {
        $errors = $app['validator']->validateValue($secret_key, array(
                new Assert\NotBlank(),
                new Assert\Regex(array(
                    'pattern' => '/^[a-zA-Z0-9]+$/',
                ))
            )
        );

        if ($request->getMethod() === 'GET' && count($errors) === 0) {
            log_info('本会員登録開始');

            try {
                $Customer = $app['eccube.repository.customer']
                    ->getNonActiveCustomerBySecretKey($secret_key);
            } catch (\Exception $e) {
                throw new HttpException\NotFoundHttpException('※ 既に会員登録が完了しているか、無効なURLです。');
            }

            $CustomerStatus = $app['eccube.repository.customer_status']->find(CustomerStatus::ACTIVE);
            $Customer->setStatus($CustomerStatus);
            $app['orm.em']->persist($Customer);
            $app['orm.em']->flush();

            $app['orm.em']->getConnection()->commit();  // ★ 追加

            log_info('本会員登録完了');

            $event = new EventArgs(
                array(
                    'Customer' => $Customer,
                ),
                $request
            );
            $app['eccube.event.dispatcher']->dispatch(EccubeEvents::FRONT_ENTRY_ACTIVATE_COMPLETE, $event);

            // メール送信
            $app['eccube.service.mail']->sendCustomerCompleteMail($Customer);

            // 本会員登録してログイン状態にする
            $token = new UsernamePasswordToken($Customer, null, 'customer', array('ROLE_USER'));
            $this->getSecurity($app)->setToken($token);
            $request->getSession()->migrate(true, $app['config']['cookie_lifetime']);

            log_info('ログイン済に変更', array($app->user()->getId()));

            return $app->render('Entry/activate.twig');
        } else {
            throw new HttpException\AccessDeniedHttpException('不正なアクセスです。');
        }
    }