meilisearch/Classes/FieldProcessor/AbstractHierarchyProcessor.php
2021-04-17 21:20:54 +02:00

63 lines
2.0 KiB
PHP

<?php
namespace WapplerSystems\Meilisearch\FieldProcessor;
/***************************************************************
* Copyright notice
*
* (c) 2014-2015 Ingo Renner <ingo@typo3.org>
* 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!
***************************************************************/
/**
* Provides common methods for field processors creating a hierarchy.
*
* @author Ingo Renner <ingo@typo3.org>
*/
abstract class AbstractHierarchyProcessor
{
/**
* Builds a Meilisearch hierarchy from an array of uids that make up a rootline.
*
* @param array $idRootline Array of Ids representing a rootline
* @return array Meilisearch hierarchy
* @see http://wiki.apache.org/meilisearch/HierarchicalFaceting
*/
protected function buildMeilisearchHierarchyFromIdRootline(array $idRootline)
{
$hierarchy = [];
$depth = 0;
$currentPath = array_shift($idRootline);
if (is_null($currentPath)) {
return $hierarchy;
}
foreach ($idRootline as $uid) {
$hierarchy[] = $depth . '-' . $currentPath . '/';
$depth++;
$currentPath .= '/' . $uid;
}
$hierarchy[] = $depth . '-' . $currentPath . '/';
return $hierarchy;
}
}