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<?php |
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namespace ApacheSolrForTypo3\Solr\FieldProcessor; |
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/*************************************************************** |
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* Copyright notice |
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* |
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* (c) 2009-2015 Daniel Poetzinger <[email protected]> |
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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 ApacheSolrForTypo3\Solr\Domain\Search\ResultSet\Facets\OptionBased\Hierarchy\HierarchyTool; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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/** |
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* Processes a value that may appear as field value in documents |
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* |
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* @author Daniel Poetzinger <[email protected]> |
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*/ |
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class PathToHierarchy implements FieldProcessor |
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{ |
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/** |
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* Expects a value like "some/hierarchy/value" |
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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 $value) { |
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$valueResults = $this->buildSolrHierarchyFromPath($value); |
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$results = array_merge($results, $valueResults); |
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} |
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return array_unique($results); |
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} |
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/** |
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* Builds a Solr hierarchy from path string. |
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* |
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* @param string $path path string |
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* @return array Solr hierarchy |
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* @see http://wiki.apache.org/solr/HierarchicalFaceting |
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*/ |
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protected function buildSolrHierarchyFromPath($path) |
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{ |
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$hierarchy = []; |
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$path = HierarchyTool::substituteSlashes($path); |
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$treeParts = GeneralUtility::trimExplode('/', $path, true); |
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$currentTreeParts = []; |
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foreach ($treeParts as $i => $part) { |
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$currentTreeParts[] = $part; |
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$hierarchyString = $i . '-' . implode('/', $currentTreeParts) . '/'; |
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$hierarchyString = HierarchyTool::unSubstituteSlashes($hierarchyString); |
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$hierarchy[] = $hierarchyString; |
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} |
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return $hierarchy; |
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} |
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} |
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dkd-kaehm /
ext-solr
