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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Config\Model\Config\Backend;
use Magento\Framework\App\Config\ScopeConfigInterface;
use Magento\Framework\App\ObjectManager;
use Magento\Framework\Serialize\Serializer\Json;
/**
* Serialized backend model
*
* @api
* @since 100.0.2
*/
class Serialized extends \Magento\Framework\App\Config\Value
{
/**
* @var Json
*/
private $serializer;
/**
* Serialized constructor
*
* @param \Magento\Framework\Model\Context $context
* @param \Magento\Framework\Registry $registry
* @param \Magento\Framework\App\Config\ScopeConfigInterface $config
* @param \Magento\Framework\App\Cache\TypeListInterface $cacheTypeList
* @param \Magento\Framework\Model\ResourceModel\AbstractResource|null $resource
* @param \Magento\Framework\Data\Collection\AbstractDb|null $resourceCollection
* @param array $data
* @param Json|null $serializer
*/
public function __construct(
\Magento\Framework\Model\Context $context,
\Magento\Framework\Registry $registry,
\Magento\Framework\App\Config\ScopeConfigInterface $config,
\Magento\Framework\App\Cache\TypeListInterface $cacheTypeList,
\Magento\Framework\Model\ResourceModel\AbstractResource $resource = null,
\Magento\Framework\Data\Collection\AbstractDb $resourceCollection = null,
array $data = [],
Json $serializer = null
) {
$this->serializer = $serializer ?: ObjectManager::getInstance()->get(Json::class);
parent::__construct($context, $registry, $config, $cacheTypeList, $resource, $resourceCollection, $data);
}
/**
* Processing object after load data
*
* @return void
*/
protected function _afterLoad()
{
$value = $this->getValue();
if (!is_array($value)) {
try {
$this->setValue(empty($value) ? false : $this->serializer->unserialize($value));
} catch (\Exception $e) {
$this->_logger->critical(
sprintf(
'Failed to unserialize %s config value. The error is: %s',
$this->getPath(),
$e->getMessage()
)
);
$this->setValue(false);
}
}
}
/**
* Processing object before save data
*
* @return $this
*/
public function beforeSave()
{
if (is_array($this->getValue())) {
$this->setValue($this->serializer->serialize($this->getValue()));
}
parent::beforeSave();
return $this;
}
/**
* Get old value from existing config
*
* @return string
*/
public function getOldValue()
{
// If the value is retrieved from defaults defined in config.xml
// it may be returned as an array.
$value = $this->_config->getValue(
$this->getPath(),
$this->getScope() ?: ScopeConfigInterface::SCOPE_TYPE_DEFAULT,
$this->getScopeCode()
);
if (is_array($value)) {
return $this->serializer->serialize($value);
}
return (string)$value;
}
}