<?php
declare(strict_types=1);
/**
* Pimcore
*
* This source file is available under two different licenses:
* - GNU General Public License version 3 (GPLv3)
* - Pimcore Enterprise License (PEL)
* Full copyright and license information is available in
* LICENSE.md which is distributed with this source code.
*
* @copyright Copyright (c) Pimcore GmbH (http://www.pimcore.org)
* @license http://www.pimcore.org/license GPLv3 and PEL
*/
namespace Pimcore\Targeting\EventListener;
use Pimcore\Analytics\Piwik\Event\TrackingDataEvent;
use Pimcore\Analytics\Piwik\Tracker;
use Pimcore\Event\Analytics\PiwikEvents;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
class PiwikVisitorIdListener implements EventSubscriberInterface
{
/**
* @var TargetingListener
*/
private $targetingListener;
public function __construct(TargetingListener $targetingListener)
{
$this->targetingListener = $targetingListener;
}
public static function getSubscribedEvents(): array
{
return [
PiwikEvents::CODE_TRACKING_DATA => 'onPiwikTrackingData',
];
}
public function onPiwikTrackingData(TrackingDataEvent $event)
{
if (!$this->targetingListener->isEnabled()) {
return;
}
$snippet = <<<'EOF'
_paq.push([function() { 'undefined' !== typeof window._ptg && _ptg.api.setVisitorId(this.getVisitorId()); }]);
EOF;
// sets visitor ID to piwik's user ID
$event->getBlock(Tracker::BLOCK_AFTER_TRACK)->append($snippet);
}
}