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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\Framework\Locale\Resolver as LocaleResolver;
use Magento\Elasticsearch\Model\Adapter\Index\Config\EsConfigInterface;
class Builder implements BuilderInterface
{
/**
* @var LocaleResolver
*/
protected $localeResolver;
/**
* @var EsConfigInterface
*/
protected $esConfig;
/**
* Current store ID.
*
* @var int
*/
protected $storeId;
/**
* @param LocaleResolver $localeResolver
* @param EsConfigInterface $esConfig
*/
public function __construct(
LocaleResolver $localeResolver,
EsConfigInterface $esConfig
) {
$this->localeResolver = $localeResolver;
$this->esConfig = $esConfig;
}
/**
* {@inheritdoc}
*/
public function build()
{
$tokenizer = $this->getTokenizer();
$filter = $this->getFilter();
$charFilter = $this->getCharFilter();
$settings = [
'analysis' => [
'analyzer' => [
'default' => [
'type' => 'custom',
'tokenizer' => key($tokenizer),
'filter' => array_merge(
['lowercase', 'keyword_repeat'],
array_keys($filter)
),
'char_filter' => array_keys($charFilter)
]
],
'tokenizer' => $tokenizer,
'filter' => $filter,
'char_filter' => $charFilter,
],
];
return $settings;
}
/**
* {@inheritdoc}
*/
public function setStoreId($storeId)
{
$this->storeId = $storeId;
}
/**
* @return array
*/
protected function getTokenizer()
{
$tokenizer = [
'default_tokenizer' => [
'type' => 'standard',
],
];
return $tokenizer;
}
/**
* @return array
*/
protected function getFilter()
{
$filter = [
'default_stemmer' => $this->getStemmerConfig(),
'unique_stem' => [
'type' => 'unique',
'only_on_same_position' => true
]
];
return $filter;
}
/**
* @return array
*/
protected function getCharFilter()
{
$charFilter = [
'default_char_filter' => [
'type' => 'html_strip',
],
];
return $charFilter;
}
/**
* @return array
*/
protected function getStemmerConfig()
{
$stemmerInfo = $this->esConfig->getStemmerInfo();
$this->localeResolver->emulate($this->storeId);
$locale = $this->localeResolver->getLocale();
if (isset($stemmerInfo[$locale])) {
return [
'type' => $stemmerInfo['type'],
'language' => $stemmerInfo[$locale],
];
}
return [
'type' => $stemmerInfo['type'],
'language' => $stemmerInfo['default'],
];
}
}