public function fetchLatestPaymentByAuction(Auction $auction)
{
$qb = $this->getEntityManager()->createQueryBuilder();
$qb->select('payment')->from('WoojinStoreBundle:AuctionPayment', 'payment')->where($qb->expr()->andX($qb->expr()->eq('payment.isCancel', ':isCancel'), $qb->expr()->eq('payment.auction', ':auctionId')))->orderBy('payment.paidAt', 'DESC');
$qb->setParameter('isCancel', false)->setParameter('auctionId', $auction->getId());
return $qb->setFirstResult(0)->setMaxResults(1)->getQuery()->getOneOrNullResult();
}