74 lines
2.0 KiB
PHP
74 lines
2.0 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 mixed $content
|
|
* @return void
|
|
*/
|
|
public static function add(string $page, $content)
|
|
{
|
|
if (!DI::config()->get('system', 'pagecache')) {
|
|
return;
|
|
}
|
|
|
|
DBA::delete('pagecache', ["`fetched` < ?", DateTimeFormat::utc('now - 5 minutes')]);
|
|
DBA::insert('pagecache', ['page' => $page, 'content' => serialize($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']);
|
|
}
|
|
}
|