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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\GroupedProduct\Model\ResourceModel\Product;
use Magento\Catalog\Api\Data\ProductInterface;
use Magento\Catalog\Model\ResourceModel\Product\Relation;
use Magento\Framework\EntityManager\MetadataPool;
/**
* @api
* @since 100.0.2
*/
class Link extends \Magento\Catalog\Model\ResourceModel\Product\Link
{
const LINK_TYPE_GROUPED = 3;
/**
* @var MetadataPool
* @since 100.1.0
*/
protected $metadataPool;
/**
* Link constructor.
* @param \Magento\Framework\Model\ResourceModel\Db\Context $context
* @param Relation $catalogProductRelation
* @param MetadataPool $metadataPool
* @param string|null $connectionName
*/
public function __construct(
\Magento\Framework\Model\ResourceModel\Db\Context $context,
Relation $catalogProductRelation,
MetadataPool $metadataPool,
$connectionName = null
) {
$this->metadataPool = $metadataPool;
parent::__construct(
$context,
$catalogProductRelation,
$connectionName
);
}
/**
* Retrieve Required children ids
* Return grouped array, ex array(
* group => array(ids)
* )
*
* @param int $parentId
* @param int $typeId
* @return array
*/
public function getChildrenIds($parentId, $typeId)
{
$connection = $this->getConnection();
$childrenIds = [];
$bind = [':product_id' => (int)$parentId, ':link_type_id' => (int)$typeId];
$select = $connection->select()->from(
['l' => $this->getMainTable()],
['linked_product_id']
)->join(
['cpe' => $this->getTable('catalog_product_entity')],
sprintf(
'cpe.%s = l.product_id',
$this->metadataPool->getMetadata(ProductInterface::class)->getLinkField()
)
)->where(
'cpe.entity_id = :product_id'
)->where(
'link_type_id = :link_type_id'
);
$select->join(
['e' => $this->getTable('catalog_product_entity')],
'e.entity_id = l.linked_product_id AND e.required_options = 0',
[]
);
$childrenIds[$typeId] = [];
$result = $connection->fetchAll($select, $bind);
foreach ($result as $row) {
$childrenIds[$typeId][$row['linked_product_id']] = $row['linked_product_id'];
}
return $childrenIds;
}
}