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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\Framework\Model\EntitySnapshot;
use Magento\Framework\EntityManager\MetadataPool;
use Magento\Framework\ObjectManagerInterface as ObjectManager;
/**
* Class EntitySnapshot
*/
class AttributeProvider implements AttributeProviderInterface
{
/**
* @var AttributeProviderInterface[]
*/
protected $providers;
/**
* @var MetadataPool
*/
protected $metadataPool;
/**
* @var ObjectManager
*/
protected $objectManager;
/**
* @var array
*/
protected $registry;
/**
* @param MetadataPool $metadataPool
* @param ObjectManager $objectManager
* @param array $providers
*/
public function __construct(
MetadataPool $metadataPool,
ObjectManager $objectManager,
$providers = []
) {
$this->metadataPool = $metadataPool;
$this->objectManager = $objectManager;
$this->providers = $providers;
}
/**
* Returns array of fields
*
* @param string $entityType
* @return string[]
* @throws \Exception
*/
public function getAttributes($entityType)
{
if (!isset($this->registry[$entityType])) {
$metadata = $this->metadataPool->getMetadata($entityType);
$entityDescription = $metadata->getEntityConnection()->describeTable($metadata->getEntityTable());
if ($metadata->getLinkField() !== $metadata->getIdentifierField()) {
unset($entityDescription[$metadata->getLinkField()]);
}
$attributes = [];
$attributes[] = \array_keys($entityDescription);
$providers = $this->providers[$entityType] ?? $this->providers['default'] ?? [];
foreach ($providers as $providerClass) {
$provider = $this->objectManager->get($providerClass);
$attributes[] = $provider->getAttributes($entityType);
}
$this->registry[$entityType] = \array_merge([], ...$attributes);
}
return $this->registry[$entityType];
}
}