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<?php |
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namespace ApacheSolrForTypo3\Solr\Domain\Search\Query\ParameterBuilder; |
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/*************************************************************** |
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* Copyright notice |
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* |
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* (c) 2017 <[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\Query\AbstractQueryBuilder; |
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use ApacheSolrForTypo3\Solr\Domain\Search\Query\QueryBuilder; |
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use ApacheSolrForTypo3\Solr\Domain\Search\ResultSet\Facets\SortingExpression; |
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use ApacheSolrForTypo3\Solr\System\Configuration\TypoScriptConfiguration; |
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/** |
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* The Faceting ParameterProvider is responsible to build the solr query parameters |
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* that are needed for the highlighting. |
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*/ |
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class Faceting extends AbstractDeactivatable implements ParameterBuilder |
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{ |
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/** |
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* @var string |
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*/ |
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protected $sorting = ''; |
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/** |
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* @var int |
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*/ |
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protected $minCount = 1; |
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/** |
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* @var int |
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*/ |
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protected $limit = 10; |
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/** |
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* @var array |
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*/ |
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protected $fields = []; |
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/** |
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* @var array |
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*/ |
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protected $additionalParameters = []; |
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/** |
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* Faceting constructor. |
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* |
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* @param bool $isEnabled |
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* @param string $sorting |
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* @param int $minCount |
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* @param int $limit |
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* @param array $fields |
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* @param array $additionalParameters |
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*/ |
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public function __construct($isEnabled, $sorting = '', $minCount = 1, $limit = 10, $fields = [], $additionalParameters = []) |
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{ |
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$this->isEnabled = $isEnabled; |
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$this->sorting = $sorting; |
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$this->minCount = $minCount; |
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$this->limit = $limit; |
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$this->fields = $fields; |
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$this->additionalParameters = $additionalParameters; |
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} |
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/** |
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* @return string |
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*/ |
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public function getSorting() |
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{ |
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return $this->sorting; |
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} |
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/** |
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* @param string $sorting |
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*/ |
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public function setSorting($sorting) |
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{ |
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$this->sorting = $sorting; |
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} |
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/** |
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* @return int |
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*/ |
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public function getMinCount() |
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{ |
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return $this->minCount; |
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} |
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/** |
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* @param int $minCount |
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*/ |
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public function setMinCount($minCount) |
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{ |
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$this->minCount = $minCount; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function getLimit() |
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{ |
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return $this->limit; |
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} |
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/** |
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* @param mixed $limit |
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*/ |
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public function setLimit($limit) |
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{ |
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$this->limit = $limit; |
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} |
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/** |
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* @return array |
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*/ |
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public function getFields() |
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{ |
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return $this->fields; |
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} |
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/** |
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* @param array $fields |
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*/ |
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public function setFields(array $fields) |
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{ |
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$this->fields = $fields; |
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} |
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/** |
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* @param string $fieldName |
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*/ |
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public function addField($fieldName) |
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{ |
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$this->fields[] = $fieldName; |
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} |
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/** |
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* @return array |
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*/ |
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public function getAdditionalParameters(): array |
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{ |
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return $this->additionalParameters; |
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} |
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/** |
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* @param array $additionalParameters |
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*/ |
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public function setAdditionalParameters(array $additionalParameters) |
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{ |
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$this->additionalParameters = $additionalParameters; |
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} |
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/** |
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* @param array $value |
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*/ |
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public function addAdditionalParameter($key, $value) |
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{ |
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$this->additionalParameters[$key] = $value; |
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} |
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/** |
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* Reads the facet sorting configuration and applies it to the queryParameters. |
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* |
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* @param array $facetParameters |
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* @return array |
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*/ |
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protected function applySorting(array $facetParameters) |
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{ |
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$sortingExpression = new SortingExpression(); |
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$globalSortingExpression = $sortingExpression->getForFacet($this->sorting); |
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if (!empty($globalSortingExpression)) { |
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$facetParameters['facet.sort'] = $globalSortingExpression; |
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} |
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return $facetParameters; |
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} |
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/** |
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* @param TypoScriptConfiguration $solrConfiguration |
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* @return Faceting |
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*/ |
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public static function fromTypoScriptConfiguration(TypoScriptConfiguration $solrConfiguration) |
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{ |
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$isEnabled = $solrConfiguration->getSearchFaceting(); |
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if (!$isEnabled) { |
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return new Faceting(false); |
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} |
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$minCount = $solrConfiguration->getSearchFacetingMinimumCount(); |
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$limit = $solrConfiguration->getSearchFacetingFacetLimit(); |
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$sorting = $solrConfiguration->getSearchFacetingSortBy(); |
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return new Faceting($isEnabled, $sorting, $minCount, $limit); |
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} |
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/** |
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* @return Faceting |
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*/ |
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public static function getEmpty() |
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{ |
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return new Faceting(false); |
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} |
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/** |
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* Retrieves all parameters that are required for faceting. |
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* |
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* @return array |
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*/ |
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protected function getFacetParameters() { |
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$facetParameters = []; |
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$facetParameters['facet'] = 'true'; |
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$facetParameters['facet.mincount'] = $this->getMinCount(); |
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$facetParameters['facet.limit'] = $this->getLimit(); |
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$facetParameters['facet.field'] = $this->getFields(); |
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foreach ($this->getAdditionalParameters() as $additionalParameterKey => $additionalParameterValue) { |
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$facetParameters[$additionalParameterKey] = $additionalParameterValue; |
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} |
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if ($facetParameters['json.facet']) { |
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$facetParameters['json.facet'] = json_encode($facetParameters['json.facet']); |
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} |
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$facetParameters = $this->applySorting($facetParameters); |
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return $facetParameters; |
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} |
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/** |
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* @param AbstractQueryBuilder $parentBuilder |
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* @return QueryBuilder |
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*/ |
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public function build(AbstractQueryBuilder $parentBuilder): AbstractQueryBuilder |
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{ |
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$query = $parentBuilder->getQuery(); |
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if (!$this->getIsEnabled()) { |
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//@todo use unset functionality when present |
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$query->addParam('facet', null); |
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$query->addParam('lex', null); |
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$query->addParam('json.mincount', null); |
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$query->addParam('json.limit', null); |
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$query->addParam('json.field', null); |
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$query->addParam('facet.sort', null); |
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$params = $query->getParams(); |
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foreach($params as $key => $value) { |
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if (strpos($key, 'f.') !== false) { |
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$query->addParam($key, null); |
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} |
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} |
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return $parentBuilder; |
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} |
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//@todo check of $this->queryToBuilder->getFacetSet() can be used |
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$facetingParameters = $this->getFacetParameters(); |
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foreach($facetingParameters as $key => $value) { |
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$query->addParam($key, $value); |
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} |
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return $parentBuilder; |
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} |
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} |
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