176 lines
6.3 KiB
PHP
176 lines
6.3 KiB
PHP
<?php
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namespace WapplerSystems\Meilisearch\Domain\Index\Queue\GarbageRemover;
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/***************************************************************
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* Copyright notice
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*
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* (c) 2018 - Timo Hund <timo.hund@dkd.de>
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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\ConnectionManager;
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use WapplerSystems\Meilisearch\GarbageCollectorPostProcessor;
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use WapplerSystems\Meilisearch\IndexQueue\Queue;
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use WapplerSystems\Meilisearch\System\Meilisearch\MeilisearchConnection;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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/**
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* An implementation ob a garbage remover strategy is responsible to remove all garbage from the index queue and
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* the meilisearch server for a certain table and uid combination.
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*/
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abstract class AbstractStrategy
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{
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/**
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* @var Queue
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*/
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protected $queue;
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/**
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* @var ConnectionManager
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*/
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protected $connectionManager;
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/**
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* AbstractStrategy constructor.
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* @param Queue|null $queue
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* @param ConnectionManager|null $connectionManager
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*/
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public function __construct(Queue $queue = null, ConnectionManager $connectionManager = null)
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{
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$this->queue = $queue ?? GeneralUtility::makeInstance(Queue::class);
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$this->connectionManager = $connectionManager ?? GeneralUtility::makeInstance(ConnectionManager::class);
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}
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/**
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* Call's the removal of the strategy and afterwards the garbagecollector post processing hook.
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*
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* @param string $table
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* @param int $uid
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* @return mixed
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*/
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public function removeGarbageOf($table, $uid)
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{
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$this->removeGarbageOfByStrategy($table, $uid);
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$this->callPostProcessGarbageCollectorHook($table, $uid);
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}
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/**
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* A implementation of the GarbageCollection strategy is responsible to remove the garbage from
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* the indexqueue and from the meilisearch server.
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*
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* @param string $table
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* @param int $uid
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* @return mixed
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*/
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abstract protected function removeGarbageOfByStrategy($table, $uid);
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/**
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* Deletes a document from meilisearch and from the index queue.
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*
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* @param string $table
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* @param integer $uid
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*/
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protected function deleteInMeilisearchAndRemoveFromIndexQueue($table, $uid)
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{
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$this->deleteIndexDocuments($table, $uid);
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$this->queue->deleteItem($table, $uid);
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}
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/**
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* Deletes a document from meilisearch and updates the item in the index queue (e.g. on page content updates).
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*
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* @param string $table
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* @param integer $uid
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*/
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protected function deleteInMeilisearchAndUpdateIndexQueue($table, $uid)
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{
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$this->deleteIndexDocuments($table, $uid);
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$this->queue->updateItem($table, $uid);
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}
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/**
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* Deletes index documents for a given record identification.
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*
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* @param string $table The record's table name.
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* @param int $uid The record's uid.
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*/
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protected function deleteIndexDocuments($table, $uid, $language = 0)
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{
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// record can be indexed for multiple sites
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$indexQueueItems = $this->queue->getItems($table, $uid);
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foreach ($indexQueueItems as $indexQueueItem) {
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$site = $indexQueueItem->getSite();
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$enableCommitsSetting = $site->getMeilisearchConfiguration()->getEnableCommits();
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$siteHash = $site->getSiteHash();
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// a site can have multiple connections (cores / languages)
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$meilisearchConnections = $this->connectionManager->getConnectionsBySite($site);
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if ($language > 0) {
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$meilisearchConnections = [$language => $meilisearchConnections[$language]];
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}
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$this->deleteRecordInAllMeilisearchConnections($table, $uid, $meilisearchConnections, $siteHash, $enableCommitsSetting);
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}
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}
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/**
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* Deletes the record in all meilisearch connections from that site.
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*
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* @param string $table
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* @param int $uid
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* @param MeilisearchConnection[] $meilisearchConnections
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* @param string $siteHash
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* @param boolean $enableCommitsSetting
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*/
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protected function deleteRecordInAllMeilisearchConnections($table, $uid, $meilisearchConnections, $siteHash, $enableCommitsSetting)
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{
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foreach ($meilisearchConnections as $meilisearch) {
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$meilisearch->getWriteService()->deleteByQuery('type:' . $table . ' AND uid:' . (int)$uid . ' AND siteHash:' . $siteHash);
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if ($enableCommitsSetting) {
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$meilisearch->getWriteService()->commit(false, false);
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}
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}
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}
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/**
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* Calls the registered post processing hooks after the garbageCollection.
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*
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* @param string $table
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* @param int $uid
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*/
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protected function callPostProcessGarbageCollectorHook($table, $uid)
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{
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if (!is_array($GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['meilisearch']['postProcessGarbageCollector'])) {
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return;
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}
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foreach ($GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['meilisearch']['postProcessGarbageCollector'] as $classReference) {
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$garbageCollectorPostProcessor = GeneralUtility::makeInstance($classReference);
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if ($garbageCollectorPostProcessor instanceof GarbageCollectorPostProcessor) {
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$garbageCollectorPostProcessor->postProcessGarbageCollector($table, $uid);
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} else {
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$message = get_class($garbageCollectorPostProcessor) . ' must implement interface ' .
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GarbageCollectorPostProcessor::class;
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throw new \UnexpectedValueException($message, 1345807460);
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}
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}
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}
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}
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