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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\Downloadable\Model;
use Magento\Catalog\Api\Data\ProductInterface;
use Magento\Catalog\Api\ProductRepositoryInterface;
use Magento\Framework\Api\SearchCriteriaBuilder;
use Magento\Framework\EntityManager\MetadataPool;
/**
* Related parent product retriever.
*/
class RelatedProductRetriever
{
/**
* @var ProductRepositoryInterface
*/
private $productRepository;
/**
* @var SearchCriteriaBuilder
*/
private $searchCriteriaBuilder;
/**
* @var MetadataPool
*/
private $metadataPool;
/**
* @param ProductRepositoryInterface $productRepository
* @param SearchCriteriaBuilder $searchCriteriaBuilder
* @param MetadataPool $metadataPool
*/
public function __construct(
ProductRepositoryInterface $productRepository,
SearchCriteriaBuilder $searchCriteriaBuilder,
MetadataPool $metadataPool
) {
$this->productRepository = $productRepository;
$this->searchCriteriaBuilder = $searchCriteriaBuilder;
$this->metadataPool = $metadataPool;
}
/**
* Get related product.
*
* @param int $productId
* @return ProductInterface|null
*/
public function getProduct(int $productId): ?ProductInterface
{
$productMetadata = $this->metadataPool->getMetadata(ProductInterface::class);
$searchCriteria = $this->searchCriteriaBuilder->addFilter($productMetadata->getLinkField(), $productId)
->create();
$items = $this->productRepository->getList($searchCriteria)
->getItems();
$product = $items ? array_shift($items) : null;
return $product;
}
}