/**
* assembles an url for tracking measurement without javascript
*
* e.g. for tracking email open events within a newsletter
*
* @param string $metricName
* @param mixed $metricValue
* @param \Ipunkt\LaravelAnalytics\Data\Event $event
* @param \Ipunkt\LaravelAnalytics\Data\Campaign $campaign
* @param string|null $clientId
* @param array $params
*
* @return string
*
* @experimental
*/
public function trackMeasurementUrl($metricName, $metricValue, Event $event, Campaign $campaign, $clientId = null, array $params = [])
{
$uniqueId = $clientId !== null ? $clientId : uniqid('track_');
if ($event->getLabel() === '') {
$event->setLabel($uniqueId);
}
if ($campaign->getName() === '') {
$campaign->setName('Campaign ' . date('Y-m-d'));
}
$protocol = $this->secureTrackingUrl ? 'https' : 'http';
$defaults = ['url' => $protocol . '://www.google-analytics.com/collect?', 'params' => ['v' => 1, 'tid' => $this->trackingId, 'cid' => $uniqueId, 't' => $event->getHitType(), 'ec' => $event->getCategory(), 'ea' => $event->getAction(), 'el' => $event->getLabel(), 'cs' => $campaign->getSource(), 'cm' => $campaign->getMedium(), 'cn' => $campaign->getName(), $metricName => $metricValue]];
$url = isset($params['url']) ? $params['url'] : $defaults['url'];
$url = rtrim($url, '?') . '?';
if (isset($params['url'])) {
unset($params['url']);
}
$params = array_merge($defaults['params'], $params);
$queryParams = [];
foreach ($params as $key => $value) {
if (!empty($value)) {
$queryParams[] = sprintf('%s=%s', $key, $value);
}
}
return $url . implode('&', $queryParams);
}
/**
* returns the rendered id
*
* @return string
*/
private function renderId()
{
$id = $this->campaign->getId();
return empty($id) ? '' : "ga('set', 'campaignId', '{$id}');";
}