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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Catalog\Model\Attribute\Backend;
use Magento\Catalog\Model\AbstractModel;
use Magento\Framework\Exception\LocalizedException;
use Magento\Framework\View\Model\Layout\Update\ValidatorFactory;
use Magento\Eav\Model\Entity\Attribute\Backend\AbstractBackend;
/**
* Layout update attribute backend
*
* @api
*
* @SuppressWarnings(PHPMD.LongVariable)
* @since 100.0.2
*/
class Customlayoutupdate extends AbstractBackend
{
/**
* @var ValidatorFactory
* @deprecated 103.0.4 Is not used anymore.
*/
protected $_layoutUpdateValidatorFactory;
/**
* @param ValidatorFactory $layoutUpdateValidatorFactory
*/
public function __construct(ValidatorFactory $layoutUpdateValidatorFactory)
{
$this->_layoutUpdateValidatorFactory = $layoutUpdateValidatorFactory;
}
/**
* Extract an attribute value.
*
* @param AbstractModel $object
* @return mixed
*/
private function extractValue(AbstractModel $object)
{
$attributeCode = $attributeCode ?? $this->getAttribute()->getName();
$value = $object->getData($attributeCode);
if (!$value || !is_string($value)) {
$value = null;
}
return $value;
}
/**
* Extract old attribute value.
*
* @param AbstractModel $object
* @return mixed Old value or null.
*/
private function extractOldValue(AbstractModel $object)
{
if (!empty($object->getId())) {
$attr = $this->getAttribute()->getAttributeCode();
if ($object->getOrigData()) {
return $object->getOrigData($attr);
}
$oldObject = clone $object;
$oldObject->unsetData();
$oldObject->load($object->getId());
return $oldObject->getData($attr);
}
return null;
}
/**
* @inheritDoc
*
* @param AbstractModel $object
*/
public function validate($object)
{
if (parent::validate($object)) {
if ($object instanceof AbstractModel) {
$value = $this->extractValue($object);
$oldValue = $this->extractOldValue($object);
if ($value && $oldValue !== $value) {
throw new LocalizedException(__('Custom layout update text cannot be changed, only removed'));
}
}
}
return true;
}
/**
* Put an attribute value.
*
* @param AbstractModel $object
* @param string|null $value
* @return void
*/
private function putValue(AbstractModel $object, ?string $value): void
{
$attributeCode = $this->getAttribute()->getName();
if ($object->hasData(AbstractModel::CUSTOM_ATTRIBUTES)) {
$object->setCustomAttribute($attributeCode, $value);
}
$object->setData($attributeCode, $value);
}
/**
* @inheritDoc
*
* @param AbstractModel $object
* @throws LocalizedException
* @since 103.0.4
*/
public function beforeSave($object)
{
//Validate first, validation might have been skipped.
$this->validate($object);
$this->putValue($object, $this->extractValue($object));
return parent::beforeSave($object);
}
}