friendica/src/Protocol/ActivityPub/PageCache.php

86 lines
2.3 KiB
PHP

<?php
/**
* @copyright Copyright (C) 2010-2022, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Protocol\ActivityPub;
use Friendica\Core\Logger;
use Friendica\Database\Database;
use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Util\DateTimeFormat;
/**
* This class handles the page cache
*/
class PageCache
{
/**
* Add content to the page cache
*
* @param string $page
* @param int $uriid
* @param mixed $content
* @return void
*/
public static function add(string $page, int $uriid, $content)
{
if (!DI::config()->get('system', 'pagecache')) {
return;
}
DBA::delete('pagecache', ["`fetched` < ?", DateTimeFormat::utc('now - 5 minutes')]);
DBA::insert('pagecache', ['page' => $page, 'uri-id' => $uriid, 'content' => serialize($content), 'fetched' => DateTimeFormat::utcNow()], Database::INSERT_UPDATE);
Logger::debug('Page added', ['page' => $page]);
}
/**
* Fetch data from the page cache
*
* @param string $page
* @return mixed
*/
public static function fetch(string $page)
{
$pagecache = DBA::selectFirst('pagecache', [], ['page' => $page]);
if (empty($pagecache['content'])) {
return null;
}
DBA::update('pagecache', ['fetched' => DateTimeFormat::utcNow()], ['page' => $page]);
Logger::debug('Page fetched', ['page' => $page]);
return unserialize($pagecache['content']);
}
/**
* Delete the pagecache via its connected uri-id
*
* @param integer $uriid
* @return void
*/
public static function deleteByUriId(int $uriid)
{
DBA::delete('pagecache', ['uri-id' => $uriid]);
}
}