public function didRefundCharge(PhortuneCharge $charge, PhortuneCharge $refund)
{
$refund->setStatus(PhortuneCharge::STATUS_CHARGED);
$this->openTransaction();
$this->beginReadLocking();
$copy = clone $charge;
$copy->reload();
if ($charge->getRefundingPHID() !== $refund->getPHID()) {
throw new Exception(pht('Charge is in the wrong refunding state!'));
}
$charge->setRefundingPHID(null);
// NOTE: There's some trickiness here to get the signs right. Both
// these values are positive but the refund has a negative value.
$total_refunded = $charge->getAmountRefundedAsCurrency()->add($refund->getAmountAsCurrency()->negate());
$charge->setAmountRefundedAsCurrency($total_refunded);
$charge->save();
$refund->save();
$this->endReadLocking();
$this->saveTransaction();
$amount = $refund->getAmountAsCurrency()->negate();
foreach ($this->purchases as $purchase) {
$purchase->getProduct()->didRefundProduct($purchase, $amount);
}
return $this;
}
