/**
* Use qty correction for qty column update
*
* @param \Magento\Framework\DataObject $object
* @param string $table
* @return array
*/
protected function _prepareDataForTable(\Magento\Framework\DataObject $object, $table)
{
$data = parent::_prepareDataForTable($object, $table);
$ifNullSql = $this->getConnection()->getIfNullSql('qty');
if (!$object->isObjectNew() && $object->getQtyCorrection()) {
if ($object->getQty() === null) {
$data['qty'] = null;
} elseif ($object->getQtyCorrection() < 0) {
$data['qty'] = new \Zend_Db_Expr($ifNullSql . '-' . abs($object->getQtyCorrection()));
} else {
$data['qty'] = new \Zend_Db_Expr($ifNullSql . '+' . $object->getQtyCorrection());
}
}
return $data;
}
