meilisearch/Classes/Domain/Search/Query/ParameterBuilder/QueryFields.php

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<?php
namespace WapplerSystems\Meilisearch\Domain\Search\Query\ParameterBuilder;
/***************************************************************
* Copyright notice
*
* (c) 2017 <timo.hund@dkd.de>
* All rights reserved
*
* This script is part of the TYPO3 project. The TYPO3 project is
* free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* The GNU General Public License can be found at
* http://www.gnu.org/copyleft/gpl.html.
*
* This script is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* This copyright notice MUST APPEAR in all copies of the script!
***************************************************************/
use WapplerSystems\Meilisearch\Domain\Search\Query\AbstractQueryBuilder;
use TYPO3\CMS\Core\Utility\GeneralUtility;
/**
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* The QueryFields class holds all information for the query which fields should be used to query (Meilisearch qf parameter).
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*/
class QueryFields implements ParameterBuilder
{
/**
* @var array
*/
protected $queryFields = [];
/**
* QueryFields constructor.
*
* @param array $queryFields
*/
public function __construct(array $queryFields = [])
{
$this->queryFields = $queryFields;
}
/**
* @param string $fieldName
* @param float $boost
*/
public function set($fieldName, $boost = 1.0)
{
$this->queryFields[$fieldName] = (float)$boost;
}
/**
* Creates the string representation
*
* @param string $delimiter
* @return string
*/
public function toString($delimiter = ' ') {
$queryFieldString = '';
foreach ($this->queryFields as $fieldName => $fieldBoost) {
$queryFieldString .= $fieldName;
if ($fieldBoost != 1.0) {
$queryFieldString .= '^' . number_format($fieldBoost, 1, '.', '');
}
$queryFieldString .= $delimiter;
}
return rtrim($queryFieldString, $delimiter);
}
/**
* Parses the string representation of the queryFields (e.g. content^100, title^10) to the object representation.
*
* @param string $queryFieldsString
* @param string $delimiter
* @return QueryFields
*/
public static function fromString($queryFieldsString, $delimiter = ',') {
$fields = GeneralUtility::trimExplode($delimiter, $queryFieldsString, true);
$queryFields = [];
foreach ($fields as $field) {
$fieldNameAndBoost = explode('^', $field);
$boost = 1.0;
if (isset($fieldNameAndBoost[1])) {
$boost = floatval($fieldNameAndBoost[1]);
}
$fieldName = $fieldNameAndBoost[0];
$queryFields[$fieldName] = $boost;
}
return new QueryFields($queryFields);
}
/**
* @param AbstractQueryBuilder $parentBuilder
* @return AbstractQueryBuilder
*/
public function build(AbstractQueryBuilder $parentBuilder): AbstractQueryBuilder
{
$parentBuilder->getQuery()->getEDisMax()->setQueryFields($this->toString());
return $parentBuilder;
}
}