/**
* @param Badge $badge
* @param \DateTime|null $currentDate
*
* @return \DateTime
*/
public function generateExpireDate(Badge $badge, \DateTime $currentDate = null)
{
if (null === $currentDate) {
$currentDate = new \DateTime();
}
$modifier = sprintf('+%d %s', $badge->getExpireDuration(), $badge->getExpirePeriodTypeLabel($badge->getExpirePeriod()));
return $currentDate->modify($modifier);
}
