/**
  * Get URLs for a record as an array
  *
  * @param \VuFind\RecordDriver\SolrDefault $record Record driver
  *
  * @return array|null
  */
 protected function getRecordURLs($record)
 {
     $urls = $record->getURLs();
     $serviceUrls = $record->tryMethod('getServiceUrls');
     $translationEmpty = $this->getViewRenderer()->plugin('translationEmpty');
     if ($urls) {
         foreach ($urls as &$url) {
             if (isset($url['desc']) && !$translationEmpty('link_' . $url['desc'])) {
                 $url['translated'] = $this->translate('link_' . $url['desc']);
                 unset($url['desc']);
             }
         }
     }
     if ($serviceUrls) {
         $source = $record->getDataSource();
         foreach ($serviceUrls as &$url) {
             if (isset($url['desc']) && !$translationEmpty($source . '_' . $url['desc'])) {
                 $url['translated'] = $this->translate($source . '_' . $url['desc']);
                 unset($url['desc']);
             }
         }
         $urls += $serviceUrls;
     }
     return $urls ? $urls : null;
 }