/**
  * Get the video data
  *
  * @param int $videoId
  *
  * @return array|null
  */
 public function getVideo($videoId)
 {
     $videoId = (int) $videoId;
     $cacheKey = 'video_' . $videoId;
     // Check if the given video has been fetched
     if ($this->cache->isDataObsolete($cacheKey)) {
         if (($video = $this->fetchVideo($videoId)) === null) {
             return null;
         }
         $this->cache->setData($cacheKey, $video);
     }
     return parent::getVideo($videoId);
 }