/**
* {@inheritdoc}
*/
public function execute(PromotionSubjectInterface $subject, array $configuration, PromotionInterface $promotion)
{
if (!$subject instanceof OrderInterface) {
throw new UnexpectedTypeException($subject, 'Sylius\\Component\\Core\\Model\\OrderInterface');
}
$adjustment = $this->repository->createNew();
$adjustment->setAmount(-$subject->getShippingTotal() * $configuration['percentage']);
$adjustment->setLabel(OrderInterface::PROMOTION_ADJUSTMENT);
$adjustment->setDescription($promotion->getDescription());
$subject->addAdjustment($adjustment);
}
