63 lines
2.0 KiB
PHP
63 lines
2.0 KiB
PHP
<?php
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namespace WapplerSystems\Meilisearch\FieldProcessor;
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/***************************************************************
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* Copyright notice
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*
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* (c) 2014-2015 Ingo Renner <ingo@typo3.org>
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* All rights reserved
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*
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* This script is part of the TYPO3 project. The TYPO3 project is
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* free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* The GNU General Public License can be found at
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* http://www.gnu.org/copyleft/gpl.html.
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*
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* This script is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* This copyright notice MUST APPEAR in all copies of the script!
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***************************************************************/
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/**
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* Provides common methods for field processors creating a hierarchy.
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*
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* @author Ingo Renner <ingo@typo3.org>
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*/
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abstract class AbstractHierarchyProcessor
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{
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/**
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* Builds a Meilisearch hierarchy from an array of uids that make up a rootline.
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*
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* @param array $idRootline Array of Ids representing a rootline
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* @return array Meilisearch hierarchy
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* @see http://wiki.apache.org/meilisearch/HierarchicalFaceting
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*/
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protected function buildMeilisearchHierarchyFromIdRootline(array $idRootline)
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{
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$hierarchy = [];
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$depth = 0;
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$currentPath = array_shift($idRootline);
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if (is_null($currentPath)) {
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return $hierarchy;
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}
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foreach ($idRootline as $uid) {
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$hierarchy[] = $depth . '-' . $currentPath . '/';
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$depth++;
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$currentPath .= '/' . $uid;
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}
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$hierarchy[] = $depth . '-' . $currentPath . '/';
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return $hierarchy;
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}
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}
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