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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Catalog\Model\ResourceModel\Product;
use Magento\Framework\App\ObjectManager;
use Magento\Framework\Model\ResourceModel\Db\AbstractDb;
use Magento\Framework\Model\ResourceModel\Db\Context;
use Magento\Framework\EntityManager\MetadataPool;
use Magento\Catalog\Api\Data\ProductInterface;
/**
* Catalog Product Relations Resource model
*
* @author Magento Core Team <core@magentocommerce.com>
*/
class Relation extends AbstractDb
{
/**
* @var MetadataPool
*/
private $metadataPool;
/**
* @param Context $context
* @param string $connectionName
* @param MetadataPool $metadataPool
*/
public function __construct(
Context $context,
$connectionName = null,
MetadataPool $metadataPool = null
) {
parent::__construct($context, $connectionName);
$this->metadataPool = $metadataPool ?: ObjectManager::getInstance()->get(MetadataPool::class);
}
/**
* Initialize resource model and define main table
*
* @return void
*/
protected function _construct()
{
$this->_init('catalog_product_relation', 'parent_id');
}
/**
* Save (rebuild) product relations
*
* @param int $parentId
* @param array $childIds
* @return $this
*/
public function processRelations($parentId, $childIds)
{
$select = $this->getConnection()->select()->from(
$this->getMainTable(),
['child_id']
)->where(
'parent_id = ?',
$parentId
);
$old = $this->getConnection()->fetchCol($select);
$new = $childIds;
$insert = array_diff($new, $old);
$delete = array_diff($old, $new);
$this->addRelations($parentId, $insert);
$this->removeRelations($parentId, $delete);
return $this;
}
/**
* Add Relation on duplicate update
*
* @param int $parentId
* @param int $childId
* @return $this
* @throws \Magento\Framework\Exception\LocalizedException
*/
public function addRelation($parentId, $childId)
{
$this->getConnection()->insertOnDuplicate(
$this->getMainTable(),
['parent_id' => $parentId, 'child_id' => $childId]
);
return $this;
}
/**
* Add Relations
*
* @param int $parentId
* @param int[] $childIds
* @return $this
* @throws \Magento\Framework\Exception\LocalizedException
*/
public function addRelations($parentId, $childIds)
{
if (!empty($childIds)) {
$insertData = [];
foreach ($childIds as $childId) {
$insertData[] = ['parent_id' => $parentId, 'child_id' => $childId];
}
$this->getConnection()->insertMultiple($this->getMainTable(), $insertData);
}
return $this;
}
/**
* Remove Relations
*
* @param int $parentId
* @param int[] $childIds
* @return $this
* @throws \Magento\Framework\Exception\LocalizedException
*/
public function removeRelations($parentId, $childIds)
{
if (!empty($childIds)) {
$where = join(
' AND ',
[
$this->getConnection()->quoteInto('parent_id = ?', $parentId),
$this->getConnection()->quoteInto('child_id IN(?)', $childIds)
]
);
$this->getConnection()->delete($this->getMainTable(), $where);
}
return $this;
}
/**
* Finds parent relations by given children ids.
*
* @param array $childrenIds Child products entity ids.
* @return array Parent products entity ids.
*/
public function getRelationsByChildren(array $childrenIds): array
{
$connection = $this->getConnection();
$linkField = $this->metadataPool->getMetadata(ProductInterface::class)
->getLinkField();
$select = $connection->select()
->from(
['cpe' => $this->getTable('catalog_product_entity')],
['relation.child_id', 'cpe.entity_id']
)->join(
['relation' => $this->getTable('catalog_product_relation')],
'relation.parent_id = cpe.' . $linkField
)->where('relation.child_id IN(?)', $childrenIds);
$result = $connection->fetchAll($select);
$parentIdsOfChildIds = [];
foreach ($result as $row) {
$parentIdsOfChildIds[$row['child_id']][] = $row['entity_id'];
}
return $parentIdsOfChildIds;
}
}