public static function getAd($type, Container $container)
 {
     /**
      * @var EntityManager $em
      */
     $em = $container->get('doctrine.orm.entity_manager');
     $ads = self::getAvailableAds($type);
     $item = null;
     if (count($ads) > 0) {
         $aid = DefaultController::getAdId($ads);
         /**
          * @var Ad $ad
          */
         $ad = $ads[$aid];
         // Inkrementacja wyświetleń:
         $ad->setDisplayed($ad->getDisplayed() + 1);
         $em->persist($ad);
         $em->flush();
         $item = DefaultController::getAdData($ad, $container);
     }
     return array('ad' => $item);
 }
 /**
  * @param \Twig_Environment $twig
  * @param int $type
  * @return string
  */
 public function displayAd(\Twig_Environment $twig, $timeout = 15, $type = 1, $static = false)
 {
     $params = DefaultController::getAd($type, $this->container);
     $params['static'] = $static;
     $output = $twig->render('SiciarekAdRotatorBundle:Default:index.html.twig', $params);
     $router = $this->container->get('router');
     if (self::$firstAdSet === false) {
         $jsparams = array('sarRotateAfter' => $timeout, 'sarDataUrl' => $router->generate('_sar_data', array('type' => '__TYPE__', 'count' => '__COUNT__'), true), 'sarIncrementClicksUrl' => $router->generate('_sar_increment_clicks', array('slug' => '__SLUG__'), true));
         $javascript = $twig->render('SiciarekAdRotatorBundle:Default:script.html.twig', $jsparams);
         $output = $javascript . $output;
         self::$firstAdSet = true;
     }
     return $output;
 }