问Magento - Paypal争议自动创建贷项通知单

EN

$serviceModel = Mage::getModel('sales/service_order', $order);
if ($invoice) {
    if ($invoice->getBaseTotalRefunded() > 0) {
        $adjustment = array('adjustment_positive' => $amount);
    } else {
        $adjustment = array('adjustment_negative' => $baseGrandTotal - $amount);
    }
    $creditmemo = $serviceModel->prepareInvoiceCreditmemo($invoice, $adjustment);
    if ($creditmemo) {
        $totalRefunded = $invoice->getBaseTotalRefunded() + $creditmemo->getBaseGrandTotal();
        $this->setShouldCloseParentTransaction($invoice->getBaseGrandTotal() <= $totalRefunded);
    }
} else {
    if ($order->getBaseTotalRefunded() > 0) {
        $adjustment = array('adjustment_positive' => $amount);
    } else {
        $adjustment = array('adjustment_negative' => $baseGrandTotal - $amount);
    }
    $creditmemo = $serviceModel->prepareCreditmemo($adjustment);
    if ($creditmemo) {
        $totalRefunded = $order->getBaseTotalRefunded() + $creditmemo->getBaseGrandTotal();
        $this->setShouldCloseParentTransaction($order->getBaseGrandTotal() <= $totalRefunded);
    }
}

$creditmemo->setPaymentRefundDisallowed(true)
    ->setAutomaticallyCreated(true)
    ->register()
    ->addComment(Mage::helper('sales')->__('Credit memo has been created automatically'))
    ->save();

$this->_updateTotals(array(
    'amount_refunded' => $creditmemo->getGrandTotal(),
    'base_amount_refunded_online' => $amount
));

$this->setCreatedCreditmemo($creditmemo);