/**
* Parses content for URLs and tokens.
*
* @param EmailSendEvent $event
* @param $emailId
*
* @return mixed
*/
protected function parseContentForUrls(EmailSendEvent $event, $emailId)
{
static $convertedContent = [];
// Prevent parsing the exact same content over and over
if (!isset($convertedContent[$event->getContentHash()])) {
$html = $event->getContent();
$text = $event->getPlainText();
$contentTokens = $event->getTokens();
list($content, $trackables) = $this->pageTrackableModel->parseContentForTrackables([$html, $text], $contentTokens, $emailId ? 'email' : null, $emailId);
list($html, $text) = $content;
unset($content);
if ($html) {
$event->setContent($html);
}
if ($text) {
$event->setPlainText($text);
}
$convertedContent[$event->getContentHash()] = $trackables;
// Don't need to preserve Trackable or Redirect entities in memory
$this->em->clear('Mautic\\PageBundle\\Entity\\Redirect');
$this->em->clear('Mautic\\PageBundle\\Entity\\Trackable');
unset($html, $text, $trackables);
}
return $convertedContent[$event->getContentHash()];
}