public function browseAction()
    {
        if (null !== $response = $this->checkAuth(AdminResources::COUPON, [], AccessManager::VIEW)) {
            return $response;
        }

        return $this->render('coupon-list', [
            'coupon_order' => $this->getListOrderFromSession('coupon', 'coupon_order', 'code')
        ]);
    }