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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Elasticsearch\Model\Adapter\Index;
use Magento\AdvancedSearch\Model\Client\ClientInterface as ElasticsearchClient;
use Magento\Elasticsearch\SearchAdapter\ConnectionManager;
use Magento\Elasticsearch\Model\Config;
use Psr\Log\LoggerInterface;
use Magento\Framework\Exception\LocalizedException;
use Magento\CatalogSearch\Model\Indexer\Fulltext;
/**
* Index name resolver for Elasticsearch
* @api
* @since 100.1.0
*/
class IndexNameResolver
{
/**
* @var ConnectionManager
* @since 100.1.0
*/
protected $connectionManager;
/**
* @var Config
* @since 100.1.0
*/
protected $clientConfig;
/**
* @var ElasticsearchClient
* @since 100.1.0
*/
protected $client;
/**
* @var LoggerInterface
* @since 100.1.0
*/
protected $logger;
/**
* Constructor for Index Name Resolver
*
* @param ConnectionManager $connectionManager
* @param Config $clientConfig
* @param LoggerInterface $logger
* @param array $options
* @throws LocalizedException
*/
public function __construct(
ConnectionManager $connectionManager,
Config $clientConfig,
LoggerInterface $logger,
$options = []
) {
$this->connectionManager = $connectionManager;
$this->clientConfig = $clientConfig;
$this->logger = $logger;
try {
$this->client = $this->connectionManager->getConnection($options);
} catch (\Exception $e) {
$this->logger->critical($e);
throw new LocalizedException(
__('The search failed because of a search engine misconfiguration.')
);
}
}
/**
* Get index namespace from config
*
* @return string
* @since 100.1.0
*/
protected function getIndexNamespace()
{
return $this->clientConfig->getIndexPrefix();
}
/**
* Get index namespace from config
*
* @param int $storeId
* @param string $mappedIndexerId
*
* @return string
* @since 100.1.0
*/
public function getIndexNameForAlias($storeId, $mappedIndexerId)
{
return $this->clientConfig->getIndexPrefix() . '_' . $mappedIndexerId . '_' . $storeId;
}
/**
* Returns the index name
*
* @param int $storeId
* @param string $mappedIndexerId
* @param array $preparedIndex
* @return string
* @since 100.1.0
*/
public function getIndexName($storeId, $mappedIndexerId, array $preparedIndex)
{
if (isset($preparedIndex[$storeId])) {
return $preparedIndex[$storeId];
} else {
$indexName = $this->getIndexFromAlias($storeId, $mappedIndexerId);
if (empty($indexName)) {
$indexName = $this->getIndexPattern($storeId, $mappedIndexerId) . 1;
}
}
return $indexName;
}
/**
* Returns index pattern.
*
* @param int $storeId
* @param string $mappedIndexerId
* @return string
* @since 100.1.0
*/
public function getIndexPattern($storeId, $mappedIndexerId)
{
return $this->getIndexNamespace() . '_' . $mappedIndexerId . '_' . $storeId . '_v';
}
/**
* Returns index for store in alias definition.
*
* @param int $storeId
* @param string $mappedIndexerId
* @return string
* @since 100.1.0
*/
public function getIndexFromAlias($storeId, $mappedIndexerId)
{
$storeIndex = '';
$indexPattern = $this->getIndexPattern($storeId, $mappedIndexerId);
$namespace = $this->getIndexNamespace() . '_' . $mappedIndexerId . '_' . $storeId;
if ($this->client->existsAlias($namespace)) {
$alias = $this->client->getAlias($namespace);
$indices = array_keys($alias);
foreach ($indices as $index) {
if (strpos($index, (string) $indexPattern) === 0) {
$storeIndex = $index;
break;
}
}
}
return $storeIndex;
}
/**
* Taking index name by indexer ID
*
* @param string $indexerId
* @return string
* @since 100.1.0
*/
public function getIndexMapping($indexerId)
{
if ($indexerId == Fulltext::INDEXER_ID) {
$mappedIndexerId = 'product';
} else {
$mappedIndexerId = $indexerId;
}
return $mappedIndexerId;
}
}