144 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			144 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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namespace WapplerSystems\Meilisearch\Domain\Search\ResultSet\Facets\OptionBased\QueryGroup;
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/*
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 * This file is part of the TYPO3 CMS project.
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 *
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 * It is free software; you can redistribute it and/or modify it under
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 * the terms of the GNU General Public License, either version 2
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 * of the License, or any later version.
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 *
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 * For the full copyright and license information, please read the
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 * LICENSE.txt file that was distributed with this source code.
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 *
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 * The TYPO3 project - inspiring people to share!
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 */
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use WapplerSystems\Meilisearch\Domain\Search\ResultSet\Facets\AbstractFacetParser;
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use WapplerSystems\Meilisearch\Domain\Search\ResultSet\SearchResultSet;
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use WapplerSystems\Meilisearch\System\Meilisearch\ResponseAdapter;
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/**
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 * Class QueryGroupFacetParser
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 *
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 * @author Frans Saris <frans@beech.it>
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 * @author Timo Hund <timo.hund@dkd.de>
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 */
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class QueryGroupFacetParser extends AbstractFacetParser
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{
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    /**
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     * @param SearchResultSet $resultSet
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     * @param string $facetName
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     * @param array $facetConfiguration
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     * @return QueryGroupFacet|null
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     */
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    public function parse(SearchResultSet $resultSet, $facetName, array $facetConfiguration)
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    {
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        $response = $resultSet->getResponse();
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        $fieldName = $facetConfiguration['field'];
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        $label = $this->getPlainLabelOrApplyCObject($facetConfiguration);
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        $rawOptions = $this->getRawOptions($response, $fieldName);
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        $noOptionsInResponse = $rawOptions === [];
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        $hideEmpty = !$resultSet->getUsedSearchRequest()->getContextTypoScriptConfiguration()->getSearchFacetingShowEmptyFacetsByName($facetName);
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        if ($noOptionsInResponse && $hideEmpty) {
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            return null;
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        }
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        /** @var QueryGroupFacet $facet */
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        $facet = $this->objectManager->get(
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            QueryGroupFacet::class,
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            $resultSet,
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            $facetName,
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            $fieldName,
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            $label,
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            $facetConfiguration
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        );
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        $activeFacets = $resultSet->getUsedSearchRequest()->getActiveFacetNames();
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        $facet->setIsUsed(in_array($facetName, $activeFacets, true));
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        if (!$noOptionsInResponse) {
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            $facet->setIsAvailable(true);
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            foreach ($rawOptions as $query => $count) {
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                $value = $this->getValueByQuery($query, $facetConfiguration);
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                // Skip unknown queries
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                if ($value === null) {
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                    continue;
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                }
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                if ($this->getIsExcludedFacetValue($query, $facetConfiguration)) {
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                    continue;
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                }
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                $isOptionsActive = $resultSet->getUsedSearchRequest()->getHasFacetValue($facetName, $value);
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                $label = $this->getLabelFromRenderingInstructions(
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                    $value,
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                    $count,
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                    $facetName,
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                    $facetConfiguration
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                );
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                $facet->addOption($this->objectManager->get(Option::class, $facet, $label, $value, $count, $isOptionsActive));
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            }
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        }
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        // after all options have been created we apply a manualSortOrder if configured
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        // the sortBy (lex,..) is done by the meilisearch server and triggered by the query, therefore it does not
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        // need to be handled in the frontend.
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        $this->applyManualSortOrder($facet, $facetConfiguration);
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        $this->applyReverseOrder($facet, $facetConfiguration);
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        return $facet;
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    }
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    /**
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     * Get raw query options
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     *
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     * @param ResponseAdapter $response
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     * @param string $fieldName
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     * @return array
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     */
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    protected function getRawOptions(ResponseAdapter $response, $fieldName)
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    {
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        $options = [];
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        foreach ($response->facet_counts->facet_queries as $rawValue => $count) {
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            if ((int)$count === 0) {
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                continue;
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            }
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            // todo: add test cases to check if this is needed https://forge.typo3.org/issues/45440
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            // remove tags from the facet.query response, for facet.field
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            // and facet.range Meilisearch does that on its own automatically
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            $rawValue = preg_replace('/^\{!ex=[^\}]*\}(.*)/', '\\1', $rawValue);
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            list($field, $query) = explode(':', $rawValue, 2);
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            if ($field === $fieldName) {
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                $options[$query] = $count;
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            }
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        }
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        return $options;
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    }
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    /**
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     * @param string $query
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     * @param array $facetConfiguration
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     * @return string|null
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     */
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    protected function getValueByQuery($query, array $facetConfiguration)
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    {
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        $value = null;
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        foreach ($facetConfiguration['queryGroup.'] as $valueKey => $config) {
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            if (isset($config['query']) && $config['query'] === $query) {
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                $value = rtrim($valueKey, '.');
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                break;
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            }
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        }
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        return $value;
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    }
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}
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