129 lines
4.0 KiB
PHP
129 lines
4.0 KiB
PHP
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<?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) 2013-2015 Steffen Ritter <steffen.ritter@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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use WapplerSystems\Meilisearch\System\Records\SystemCategory\SystemCategoryRepository;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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/**
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* This Processor takes a UID of sys_category, and resolves its rootline in solr notation.
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*
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* Format of this field corresponds to http://wiki.apache.org/solr/HierarchicalFaceting
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*
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* Let's say we have a category with uid 111 which is a sub category like shown in this tree:
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*
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* 1
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* |-10
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* |-100
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* |-111
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*
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* then we get a rootline 1/10/100/111
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*
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* In Solr hierarchy notation, we get
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*
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* 0-1
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* 1-1/10
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* 2-1/10/100
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* 3-1/10/100/11
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*
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* which is finally saved in a multi-value field.
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*
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* @author Steffen Ritter <steffen.ritter@typo3.org>
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*/
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class CategoryUidToHierarchy extends AbstractHierarchyProcessor implements FieldProcessor
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{
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/**
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* @var SystemCategoryRepository
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*/
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protected $systemCategoryRepository;
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/**
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* CategoryUidToHierarchy constructor.
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*
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* @param SystemCategoryRepository|null $systemCategoryRepository
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*/
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public function __construct(SystemCategoryRepository $systemCategoryRepository = null)
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{
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$this->systemCategoryRepository = $systemCategoryRepository ?? GeneralUtility::makeInstance(SystemCategoryRepository::class);
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}
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/**
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* Expects a uid ID of a category. Returns a Solr hierarchy notation for the
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* rootline of the category ID.
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*
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* @param array $values Array of values, an array because of multivalued fields
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* @return array Modified array of values
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*/
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public function process(array $values)
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{
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$results = [];
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foreach ($values as $value) {
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$results = array_merge($results,
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$this->getSolrRootlineForCategoryId($value));
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}
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return $results;
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}
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/**
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* Returns a Solr hierarchy notation string for rootline of given category uid.
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*
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* @param int $categoryId Category ID to get a rootline as Solr hierarchy for
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* @return array Rootline as Solr hierarchy array
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*/
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protected function getSolrRootlineForCategoryId($categoryId)
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{
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$categoryIdRootline = $this->buildCategoryIdRootline($categoryId);
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$solrRootline = $this->buildSolrHierarchyFromIdRootline($categoryIdRootline);
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return $solrRootline;
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}
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/**
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* Builds a category's rootline of parent category Ids
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*
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* @param int $uid The category ID to build the rootline for
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* @return array Category ID rootline as array
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*/
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protected function buildCategoryIdRootline($uid)
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{
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$rootlineIds = [];
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$parentCategory = intval($uid);
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while ($parentCategory !== 0) {
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$rootlineIds[] = $parentCategory;
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$childCategory = $this->systemCategoryRepository->findOneByUid($parentCategory);
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if ($childCategory === null) {
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$parentCategory = 0;
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} else {
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$parentCategory = intval($childCategory['parent']);
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}
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}
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krsort($rootlineIds);
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return array_values($rootlineIds);
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}
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}
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