public function addRedeemGiftCardTransaction(ConnectionInterface $con, GiftCard $giftCard)
{
$this->assertAmount($giftCard->getCardAmount());
$giftTransaction = new Transaction();
$giftTransaction->setUserId($giftCard->getRecipientId())->setAmount($giftCard->getCardAmount())->setDescription('Gift Card Redemption')->setTransactionDate(new \DateTime())->setType(Transaction::GIFT_REDEEM);
$giftTransaction->save($con);
}