friendica/src/Protocol/ActivityPub/Fetch.php

84 lines
2.4 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\Util\DateTimeFormat;
/**
* This class handles the fetching of posts
*/
class Fetch
{
public static function add(string $url): int
{
DBA::insert('fetch-entry', ['url' => $url, 'created' => DateTimeFormat::utcNow()], Database::INSERT_IGNORE);
$fetch = DBA::selectFirst('fetch-entry', ['id'], ['url' => $url]);
Logger::debug('Added fetch entry', ['url' => $url, 'fetch' => $fetch]);
return $fetch['id'] ?? 0;
}
/**
* Set the worker id for the queue entry
*
* @param array $activity
* @param int $wid
* @return void
*/
public static function setWorkerId(string $url, int $wid)
{
if (empty($url) || empty($wid)) {
return;
}
DBA::update('fetch-entry', ['wid' => $wid], ['url' => $url]);
Logger::debug('Worker id set', ['url' => $url, 'wid' => $wid]);
}
/**
* Check if there is an assigned worker task
*
* @param array $activity
* @return bool
*/
public static function hasWorker(string $url): bool
{
$fetch = DBA::selectFirst('fetch-entry', ['id', 'wid'], ['url' => $url]);
if (empty($fetch['id'])) {
Logger::debug('No entry found for url', ['url' => $url]);
return false;
}
// We don't have a workerqueue id yet. So most likely is isn't assigned yet.
// To avoid the ramping up of another fetch request we simply claim that there is a waiting worker.
if (!empty($fetch['id']) && empty($fetch['wid'])) {
Logger::debug('Entry without worker found for url', ['url' => $url]);
return true;
}
return DBA::exists('workerqueue', ['id' => $fetch['wid'], 'done' => false]);
}
}