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<?php |
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namespace ApacheSolrForTypo3\Solr\Domain\Search\LastSearches; |
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/*************************************************************** |
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* Copyright notice |
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* |
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* (c) 2015-2016 Timo Schmidt <[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 2 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\System\Configuration\TypoScriptConfiguration; |
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use ApacheSolrForTypo3\Solr\System\Session\FrontendUserSession; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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use TYPO3\CMS\Extbase\Persistence\Generic\Session; |
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use TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController; |
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/** |
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* The LastSearchesService is responsible to return the LastSearches from the session or database, |
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* depending on the configuration. |
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* |
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* @author Timo Schmidt <[email protected]> |
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*/ |
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class LastSearchesService |
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{ |
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/** |
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* @var TypoScriptConfiguration |
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*/ |
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protected $configuration; |
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/** |
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* @var FrontendUserSession |
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*/ |
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protected $session; |
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/** |
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* @var LastSearchesRepository |
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*/ |
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protected $lastSearchesRepository; |
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/** |
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* @param TypoScriptConfiguration $typoscriptConfiguration |
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* @param FrontendUserSession|null $session |
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* @param LastSearchesRepository|null $lastSearchesRepository |
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*/ |
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public function __construct(TypoScriptConfiguration $typoscriptConfiguration, FrontendUserSession $session = null, LastSearchesRepository $lastSearchesRepository = null) |
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{ |
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$this->configuration = $typoscriptConfiguration; |
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$this->session = isset($session) ? $session : GeneralUtility::makeInstance(FrontendUserSession::class); |
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$this->lastSearchesRepository = isset($lastSearchesRepository) ? $lastSearchesRepository : GeneralUtility::makeInstance(LastSearchesRepository::class); |
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} |
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/** |
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* Retrieves the last searches from the session or database depending on the configuration. |
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* |
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* @return array |
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*/ |
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public function getLastSearches() |
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{ |
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$lastSearchesKeywords = []; |
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$mode = $this->configuration->getSearchLastSearchesMode(); |
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$limit = $this->configuration->getSearchLastSearchesLimit(); |
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switch ($mode) { |
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case 'user': |
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$lastSearchesKeywords = $this->getLastSearchesFromSession($limit); |
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break; |
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case 'global': |
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$lastSearchesKeywords = $this->lastSearchesRepository->findAllKeywords($limit); |
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break; |
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} |
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return $lastSearchesKeywords; |
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} |
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/** |
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* Saves the keywords to the last searches in the database or session depending on the configuration. |
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* |
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* @param string $keywords |
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* @throws \UnexpectedValueException |
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*/ |
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public function addToLastSearches($keywords) |
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{ |
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$mode = $this->configuration->getSearchLastSearchesMode(); |
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switch ($mode) { |
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case 'user': |
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$this->storeKeywordsToSession($keywords); |
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break; |
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case 'global': |
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$this->lastSearchesRepository->add($keywords, (int)$this->configuration->getSearchLastSearchesLimit()); |
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break; |
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default: |
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throw new \UnexpectedValueException( |
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'Unknown mode for plugin.tx_solr.search.lastSearches.mode, valid modes are "user" or "global".', |
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1342456570 |
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); |
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} |
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} |
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/** |
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* Gets the last searched keywords from the user's session |
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* |
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* @param int $limit |
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* @return array An array containing the last searches of the current user |
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*/ |
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protected function getLastSearchesFromSession($limit) |
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{ |
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$lastSearches = $this->session->getLastSearches(); |
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$lastSearches = array_slice(array_reverse(array_unique($lastSearches)), 0, $limit); |
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return $lastSearches; |
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} |
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/** |
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* Stores the keywords from the current query to the user's session. |
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* |
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* @param string $keywords The current query's keywords |
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* @return void |
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*/ |
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protected function storeKeywordsToSession($keywords) |
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{ |
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$currentLastSearches = $this->session->getLastSearches(); |
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$lastSearches = $currentLastSearches; |
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$newLastSearchesCount = array_push($lastSearches, $keywords); |
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while ($newLastSearchesCount > $this->configuration->getSearchLastSearchesLimit()) { |
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array_shift($lastSearches); |
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$newLastSearchesCount = count($lastSearches); |
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} |
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$this->session->setLastSearches($lastSearches); |
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} |
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} |
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TYPO3-Solr /
ext-solr
