292 lines
8.0 KiB
PHP
292 lines
8.0 KiB
PHP
<?php
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namespace WapplerSystems\Meilisearch;
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/***************************************************************
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* Copyright notice
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*
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* (c) 2009-2015 Ingo Renner <ingo@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\Domain\Search\Query\Query;
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use WapplerSystems\Meilisearch\System\Configuration\TypoScriptConfiguration;
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use WapplerSystems\Meilisearch\System\Logging\SolrLogManager;
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use WapplerSystems\Meilisearch\System\Solr\ResponseAdapter;
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use WapplerSystems\Meilisearch\System\Solr\SolrCommunicationException;
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use WapplerSystems\Meilisearch\System\Solr\SolrConnection;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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/**
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* Class to handle solr search requests
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*
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* @author Ingo Renner <ingo@typo3.org>
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*/
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class Search
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{
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/**
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* An instance of the Solr service
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*
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* @var SolrConnection
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*/
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protected $solr = null;
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/**
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* The search query
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*
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* @var Query
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*/
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protected $query = null;
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/**
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* The search response
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*
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* @var ResponseAdapter
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*/
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protected $response = null;
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/**
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* @var TypoScriptConfiguration
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*/
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protected $configuration;
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// TODO Override __clone to reset $response and $hasSearched
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/**
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* @var \WapplerSystems\Meilisearch\System\Logging\SolrLogManager
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*/
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protected $logger = null;
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/**
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* Constructor
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*
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* @param SolrConnection $solrConnection The Solr connection to use for searching
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*/
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public function __construct(SolrConnection $solrConnection = null)
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{
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$this->logger = GeneralUtility::makeInstance(SolrLogManager::class, /** @scrutinizer ignore-type */ __CLASS__);
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$this->solr = $solrConnection;
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if (is_null($solrConnection)) {
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/** @var $connectionManager ConnectionManager */
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$connectionManager = GeneralUtility::makeInstance(ConnectionManager::class);
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$this->solr = $connectionManager->getConnectionByPageId($GLOBALS['TSFE']->id, Util::getLanguageUid());
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}
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$this->configuration = Util::getSolrConfiguration();
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}
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/**
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* Gets the Solr connection used by this search.
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*
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* @return SolrConnection Solr connection
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*/
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public function getSolrConnection()
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{
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return $this->solr;
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}
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/**
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* Sets the Solr connection used by this search.
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*
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* Since WapplerSystems\Meilisearch\Search is a \TYPO3\CMS\Core\SingletonInterface, this is needed to
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* be able to switch between multiple cores/connections during
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* one request
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*
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* @param SolrConnection $solrConnection
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*/
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public function setSolrConnection(SolrConnection $solrConnection)
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{
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$this->solr = $solrConnection;
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}
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/**
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* Executes a query against a Solr server.
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*
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* 1) Gets the query string
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* 2) Conducts the actual search
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* 3) Checks debug settings
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*
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* @param Query $query The query with keywords, filters, and so on.
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* @param int $offset Result offset for pagination.
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* @param int $limit Maximum number of results to return. If set to NULL, this value is taken from the query object.
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* @return ResponseAdapter Solr response
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* @throws \Exception
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*/
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public function search(Query $query, $offset = 0, $limit = 10)
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{
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$this->query = $query;
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if (!empty($limit)) {
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$query->setRows($limit);
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}
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$query->setStart($offset);
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try {
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$response = $this->solr->getReadService()->search($query);
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if ($this->configuration->getLoggingQueryQueryString()) {
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$this->logger->log(SolrLogManager::INFO,
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'Querying Solr, getting result',
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[
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'query string' => $query->getQuery(),
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'query parameters' => $query->getRequestBuilder()->build($query)->getParams(),
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'response' => json_decode($response->getRawResponse(), true)
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]
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);
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}
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} catch (SolrCommunicationException $e) {
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if ($this->configuration->getLoggingExceptions()) {
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$this->logger->log(
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SolrLogManager::ERROR,
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'Exception while querying Solr',
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[
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'exception' => $e->__toString(),
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'query' => (array)$query,
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'offset' => $offset,
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'limit' => $query->getRows()
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]
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);
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}
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throw $e;
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}
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$this->response = $response;
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return $this->response;
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}
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/**
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* Sends a ping to the solr server to see whether it is available.
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*
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* @param bool $useCache Set to true if the cache should be used.
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* @return bool Returns TRUE on successful ping.
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* @throws \Exception Throws an exception in case ping was not successful.
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*/
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public function ping($useCache = true)
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{
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$solrAvailable = false;
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try {
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if (!$this->solr->getReadService()->ping($useCache)) {
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throw new \Exception('Solr Server not responding.', 1237475791);
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}
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$solrAvailable = true;
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} catch (\Exception $e) {
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if ($this->configuration->getLoggingExceptions()) {
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$this->logger->log(
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SolrLogManager::ERROR,
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'Exception while trying to ping the solr server',
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[
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$e->__toString()
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]
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);
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}
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}
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return $solrAvailable;
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}
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/**
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* Gets the query object.
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*
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* @return Query
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*/
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public function getQuery()
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{
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return $this->query;
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}
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/**
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* Gets the Solr response
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*
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* @return ResponseAdapter
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*/
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public function getResponse()
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{
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return $this->response;
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}
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public function getRawResponse()
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{
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return $this->response->getRawResponse();
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}
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public function getResponseHeader()
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{
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return $this->getResponse()->responseHeader;
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}
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public function getResponseBody()
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{
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// @extensionScannerIgnoreLine
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return $this->getResponse()->response;
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}
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/**
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* Gets the time Solr took to execute the query and return the result.
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*
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* @return int Query time in milliseconds
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*/
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public function getQueryTime()
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{
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return $this->getResponseHeader()->QTime;
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}
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/**
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* Gets the number of results per page.
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*
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* @return int Number of results per page
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*/
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public function getResultsPerPage()
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{
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return $this->getResponseHeader()->params->rows;
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}
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/**
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* Gets the result offset.
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*
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* @return int Result offset
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*/
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public function getResultOffset()
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{
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// @extensionScannerIgnoreLine
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return $this->response->response->start;
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}
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public function getDebugResponse()
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{
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// @extensionScannerIgnoreLine
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return $this->response->debug;
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}
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public function getHighlightedContent()
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{
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$highlightedContent = false;
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if ($this->response->highlighting) {
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$highlightedContent = $this->response->highlighting;
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}
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return $highlightedContent;
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}
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}
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