SiteDataHandlerCacheHook.php

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<?php
declare(strict_types = 1);
 
namespace ‪TYPO3\CMS\Core\Hooks;
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
use ‪TYPO3\CMS\Core\Cache\CacheManager;
use ‪TYPO3\CMS\Core\Cache\Frontend\FrontendInterface;
use ‪TYPO3\CMS\Core\DataHandling\DataHandler;
use ‪TYPO3\CMS\Core\Routing\SiteMatcher;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
 
class ‪SiteDataHandlerCacheHook
{
    public function ‪processDatamap_afterDatabaseOperations(string $status, string $table, $recordId, array $updatedFields, ‪DataHandler $dataHandler)
    {
        if ($table === 'sys_domain'
            || $table === 'sys_language'
            || ($status === 'new' && $table === 'pages' && (int)$updatedFields['pid'] === 0)
        ) {
            $this->‪getCache()->‪remove('pseudo-sites');
            $this->‪getCache()->‪remove('legacy-domains');
            // After evicting caches, we need to make sure these are re-initialized within the
            // current request if needed. Easiest solution is to purge the SiteMatcher singleton.
            GeneralUtility::removeSingletonInstance(SiteMatcher::class, GeneralUtility::makeInstance(SiteMatcher::class));
        }
    }
 
    public function ‪processCmdmap_postProcess(string $command, string $table, $id, $value, ‪DataHandler $dataHandler, $pasteUpdate, array $pasteDatamap)
    {
        if ($table === 'sys_domain' || $table === 'sys_language') {
            $this->‪getCache()->‪remove('pseudo-sites');
            $this->‪getCache()->‪remove('legacy-domains');
        }
    }
 
    protected function ‪getCache(): ‪FrontendInterface
    {
        return GeneralUtility::makeInstance(CacheManager::class)->getCache('cache_core');
    }
}