/**
* Set time reference of current assessment item session to <i>now</i> instead of time of last update.
* This ensures that time when delivery execution was paused will not be taken in account.
* Make sure that method invoked right after retrieving assessment test session
* and before the first AssessmentTestSession::updateDuration method call
* @param AssessmentTestSession $session
* @param \DateTime|null $time Time to be specified. Current time by default. Make sure that $time has UTC timezone.
*/
public function updateTimeReference(AssessmentTestSession $session, \DateTime $time = null)
{
if ($time === null) {
$time = new \DateTime('now', new \DateTimeZone('UTC'));
}
$itemSession = $session->getCurrentAssessmentItemSession();
if ($itemSession) {
$itemSession->setTimeReference($time);
$session->updateDuration();
}
}
