isConfirmed example

use Shopware\Bundle\StoreFrontBundle\Service\ContextServiceInterface;
use Shopware\Components\Random;

class Shopware_Controllers_Frontend_Newsletter extends Enlight_Controller_Action
{
    /** * Index action method */
    public function indexAction()
    {
        $this->View()->assign('voteConfirmed', $this->isConfirmed());
        $this->Request()->setParam('voteConfirmed', $this->View()->voteConfirmed);
        $this->View()->assign('sUserLoggedIn', Shopware()->Modules()->Admin()->sCheckUser());

        $this->front->setParam('voteConfirmed', $this->View()->voteConfirmed);
        $this->front->setParam('optinNow', (new DateTime())->format('Y-m-d H:i:s'));

        if ($this->Request()->get('sUnsubscribe') !== null) {
            $this->View()->assign('sUnsubscribe', true);
        } else {
            $this->View()->assign('sUnsubscribe', false);
        }