/**
* @param \Magento\Sales\Model\Order\Creditmemo $creditmemo
* @return $this
*/
public function collect(\Magento\Sales\Model\Order\Creditmemo $creditmemo)
{
$grandTotal = $creditmemo->getGrandTotal();
$baseGrandTotal = $creditmemo->getBaseGrandTotal();
$grandTotal += $creditmemo->getAdjustmentPositive();
$baseGrandTotal += $creditmemo->getBaseAdjustmentPositive();
$grandTotal -= $creditmemo->getAdjustmentNegative();
$baseGrandTotal -= $creditmemo->getBaseAdjustmentNegative();
$creditmemo->setGrandTotal($grandTotal);
$creditmemo->setBaseGrandTotal($baseGrandTotal);
$creditmemo->setAdjustment($creditmemo->getAdjustmentPositive() - $creditmemo->getAdjustmentNegative());
$creditmemo->setBaseAdjustment($creditmemo->getBaseAdjustmentPositive() - $creditmemo->getBaseAdjustmentNegative());
return $this;
}
