/**
* @param Attendee $attendee
* @param DateTime $at
*
* @return float
*/
public function getCost(Attendee $attendee, DateTime $at)
{
$cost = $this->getBaseCost($attendee->getEvent(), $attendee->getUser(), $at, $attendee->canAttendTalksDayOnly());
if ($studentDiscount = $this->getStudentDiscount($cost, $attendee)) {
$cost -= $studentDiscount;
}
if ($coupon = $attendee->getDiscount()) {
$cost = $coupon->applyDiscountTo($cost);
}
return $cost;
}
