/**
* Append sales rule product attribute keys to select by quote item collection
*
* @param \Magento\Sales\Model\Quote\Config $subject
* @param array $attributeKeys
*
* @return array
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
public function afterGetProductAttributes(\Magento\Sales\Model\Quote\Config $subject, array $attributeKeys)
{
$attributes = $this->_ruleResource->getActiveAttributes();
foreach ($attributes as $attribute) {
$attributeKeys[] = $attribute['attribute_code'];
}
return $attributeKeys;
}
