Friendica/friendica-github
1
0
Fork 0
mirror of https://github.com/friendica/friendica synced 2024-12-23 17:20:16 +00:00
Code Issues Projects Releases Packages Wiki Activity

Merge pull request #9018 from annando/split-cronjobs

Browse source 
Split the Cronjobs class into separate classes
This commit is contained in:
Hypolite Petovan 2020-08-16 08:41:17 -04:00 committed by GitHub
commit d2eac8afd9
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
11 changed files with 422 additions and 274 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
src/Model/User.php
View file

@ -1180,7 +1180,7 @@ class User
// unique), so it cannot be re-registered in the future.
DBA::insert('userd', ['username' => $user['nickname']]);
// The user and related data will be deleted in Friendica\Worker\CronJobs::expireAndRemoveUsers()
// The user and related data will be deleted in Friendica\Worker\ExpireAndRemoveUsers
DBA::update('user', ['account_removed' => true, 'account_expires_on' => DateTimeFormat::utc('now + 7 day')], ['uid' => $uid]);
Worker::add(PRIORITY_HIGH, 'Notifier', Delivery::REMOVAL, $uid);

99
src/Worker/ClearCache.php Normal file
View file

@ -0,0 +1,99 @@
<?php
/**
* @copyright Copyright (C) 2020, Friendica
*
* @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\Worker;
use Friendica\Core\Logger;
use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Model\Photo;
use Friendica\Util\Proxy as ProxyUtils;
/**
* Clear cache entries
*/
class ClearCache
{
public static function execute()
{
$a = DI::app();
$last = DI::config()->get('system', 'cache_last_cleared');
if ($last) {
$next = $last + (3600); // Once per hour
$clear_cache = ($next <= time());
} else {
$clear_cache = true;
}
if (!$clear_cache) {
return;
}
// clear old cache
DI::cache()->clear();
// clear old item cache files
clear_cache();
// clear cache for photos
clear_cache($a->getBasePath(), $a->getBasePath() . "/photo");
// clear smarty cache
clear_cache($a->getBasePath() . "/view/smarty3/compiled", $a->getBasePath() . "/view/smarty3/compiled");
// clear cache for image proxy
if (!DI::config()->get("system", "proxy_disabled")) {
clear_cache($a->getBasePath(), $a->getBasePath() . "/proxy");
$cachetime = DI::config()->get('system', 'proxy_cache_time');
if (!$cachetime) {
$cachetime = ProxyUtils::DEFAULT_TIME;
}
$condition = ['`uid` = 0 AND `resource-id` LIKE "pic:%" AND `created` < NOW() - INTERVAL ? SECOND', $cachetime];
Photo::delete($condition);
}
// Delete the cached OEmbed entries that are older than three month
DBA::delete('oembed', ["`created` < NOW() - INTERVAL 3 MONTH"]);
// Delete the cached "parse_url" entries that are older than three month
DBA::delete('parsed_url', ["`created` < NOW() - INTERVAL 3 MONTH"]);
if (DI::config()->get('system', 'optimize_tables')) {
Logger::info('Optimize start');
DBA::e("OPTIMIZE TABLE `auth_codes`");
DBA::e("OPTIMIZE TABLE `cache`");
DBA::e("OPTIMIZE TABLE `challenge`");
DBA::e("OPTIMIZE TABLE `locks`");
DBA::e("OPTIMIZE TABLE `oembed`");
DBA::e("OPTIMIZE TABLE `parsed_url`");
DBA::e("OPTIMIZE TABLE `profile_check`");
DBA::e("OPTIMIZE TABLE `session`");
DBA::e("OPTIMIZE TABLE `tokens`");
Logger::info('Optimize finished');
}
DI::config()->set('system', 'cache_last_cleared', time());
}
}

14
src/Worker/Cron.php
View file

@ -58,16 +58,16 @@ class Cron
Worker::add(PRIORITY_LOW, 'UpdateServerDirectories');
// Expire and remove user entries
Worker::add(PRIORITY_MEDIUM, "CronJobs", "expire_and_remove_users");
Worker::add(PRIORITY_MEDIUM, 'ExpireAndRemoveUsers');
// Call possible post update functions
Worker::add(PRIORITY_LOW, "CronJobs", "post_update");
Worker::add(PRIORITY_LOW, 'PostUpdate');
// Clear cache entries
Worker::add(PRIORITY_LOW, "CronJobs", "clear_cache");
Worker::add(PRIORITY_LOW, 'ClearCache');
// Repair entries in the database
Worker::add(PRIORITY_LOW, "CronJobs", "repair_database");
Worker::add(PRIORITY_LOW, 'RepairDatabase');
// once daily run birthday_updates and then expire in background
$d1 = DI::config()->get('system', 'last_expire_day');
@ -76,12 +76,12 @@ class Cron
// Daily cron calls
if ($d2 != intval($d1)) {
Worker::add(PRIORITY_LOW, "CronJobs", "update_contact_birthdays");
Worker::add(PRIORITY_LOW, 'UpdateContactBirthdays');
Worker::add(PRIORITY_LOW, "CronJobs", "update_photo_albums");
Worker::add(PRIORITY_LOW, 'UpdatePhotoAlbums');
// update nodeinfo data
Worker::add(PRIORITY_LOW, "CronJobs", "nodeinfo");
Worker::add(PRIORITY_LOW, 'NodeInfo');
Worker::add(PRIORITY_LOW, 'UpdateGServers');

266
src/Worker/CronJobs.php
View file

@ -1,266 +0,0 @@
<?php
/**
* @copyright Copyright (C) 2020, Friendica
*
* @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\Worker;
use Friendica\App;
use Friendica\Core\Logger;
use Friendica\Core\Protocol;
use Friendica\Core\Worker;
use Friendica\Database\DBA;
use Friendica\Database\PostUpdate;
use Friendica\DI;
use Friendica\Model\Contact;
use Friendica\Model\Nodeinfo;
use Friendica\Model\Photo;
use Friendica\Model\User;
use Friendica\Util\Proxy as ProxyUtils;
use Friendica\Util\Strings;
class CronJobs
{
public static function execute($command = '')
{
$a = DI::app();
// No parameter set? So return
if ($command == '') {
return;
}
Logger::log("Starting cronjob " . $command, Logger::DEBUG);
switch($command) {
case 'post_update':
PostUpdate::update();
break;
case 'nodeinfo':
Logger::info('cron_start');
Nodeinfo::update();
// Now trying to register
$url = 'http://the-federation.info/register/' . DI::baseUrl()->getHostname();
Logger::debug('Check registering url', ['url' => $url]);
$ret = DI::httpRequest()->fetch($url);
Logger::debug('Check registering answer', ['answer' => $ret]);
Logger::info('cron_end');
break;
case 'expire_and_remove_users':
self::expireAndRemoveUsers();
break;
case 'update_contact_birthdays':
Contact::updateBirthdays();
break;
case 'update_photo_albums':
self::updatePhotoAlbums();
break;
case 'clear_cache':
self::clearCache($a);
break;
case 'repair_database':
self::repairDatabase();
break;
case 'move_storage':
self::moveStorage();
break;
default:
Logger::log("Cronjob " . $command . " is unknown.", Logger::DEBUG);
}
return;
}
/**
* Update the cached values for the number of photo albums per user
*/
private static function updatePhotoAlbums()
{
$r = q("SELECT `uid` FROM `user` WHERE NOT `account_expired` AND NOT `account_removed`");
if (!DBA::isResult($r)) {
return;
}
foreach ($r as $user) {
Photo::clearAlbumCache($user['uid']);
}
}
/**
* Expire and remove user entries
*/
private static function expireAndRemoveUsers()
{
// expire any expired regular accounts. Don't expire forums.
$condition = ["NOT `account_expired` AND `account_expires_on` > ? AND `account_expires_on` < UTC_TIMESTAMP() AND `page-flags` = 0", DBA::NULL_DATETIME];
DBA::update('user', ['account_expired' => true], $condition);
// Remove any freshly expired account
$users = DBA::select('user', ['uid'], ['account_expired' => true, 'account_removed' => false]);
while ($user = DBA::fetch($users)) {
User::remove($user['uid']);
}
DBA::close($users);
// delete user records for recently removed accounts
$users = DBA::select('user', ['uid'], ["`account_removed` AND `account_expires_on` < UTC_TIMESTAMP() "]);
while ($user = DBA::fetch($users)) {
// Delete the contacts of this user
$self = DBA::selectFirst('contact', ['nurl'], ['self' => true, 'uid' => $user['uid']]);
if (DBA::isResult($self)) {
DBA::delete('contact', ['nurl' => $self['nurl'], 'self' => false]);
}
DBA::delete('user', ['uid' => $user['uid']]);
}
DBA::close($users);
}
/**
* Clear cache entries
*
* @param App $a
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
private static function clearCache(App $a)
{
$last = DI::config()->get('system', 'cache_last_cleared');
if ($last) {
$next = $last + (3600); // Once per hour
$clear_cache = ($next <= time());
} else {
$clear_cache = true;
}
if (!$clear_cache) {
return;
}
// clear old cache
DI::cache()->clear();
// clear old item cache files
clear_cache();
// clear cache for photos
clear_cache($a->getBasePath(), $a->getBasePath() . "/photo");
// clear smarty cache
clear_cache($a->getBasePath() . "/view/smarty3/compiled", $a->getBasePath() . "/view/smarty3/compiled");
// clear cache for image proxy
if (!DI::config()->get("system", "proxy_disabled")) {
clear_cache($a->getBasePath(), $a->getBasePath() . "/proxy");
$cachetime = DI::config()->get('system', 'proxy_cache_time');
if (!$cachetime) {
$cachetime = ProxyUtils::DEFAULT_TIME;
}
$condition = ['`uid` = 0 AND `resource-id` LIKE "pic:%" AND `created` < NOW() - INTERVAL ? SECOND', $cachetime];
Photo::delete($condition);
}
// Delete the cached OEmbed entries that are older than three month
DBA::delete('oembed', ["`created` < NOW() - INTERVAL 3 MONTH"]);
// Delete the cached "parse_url" entries that are older than three month
DBA::delete('parsed_url', ["`created` < NOW() - INTERVAL 3 MONTH"]);
if (DI::config()->get('system', 'optimize_tables')) {
Logger::info('Optimize start');
DBA::e("OPTIMIZE TABLE `auth_codes`");
DBA::e("OPTIMIZE TABLE `cache`");
DBA::e("OPTIMIZE TABLE `challenge`");
DBA::e("OPTIMIZE TABLE `locks`");
DBA::e("OPTIMIZE TABLE `oembed`");
DBA::e("OPTIMIZE TABLE `parsed_url`");
DBA::e("OPTIMIZE TABLE `profile_check`");
DBA::e("OPTIMIZE TABLE `session`");
DBA::e("OPTIMIZE TABLE `tokens`");
Logger::info('Optimize finished');
}
DI::config()->set('system', 'cache_last_cleared', time());
}
/**
* Do some repairs in database entries
*
*/
private static function repairDatabase()
{
// Sometimes there seem to be issues where the "self" contact vanishes.
// We haven't found the origin of the problem by now.
$r = q("SELECT `uid` FROM `user` WHERE NOT EXISTS (SELECT `uid` FROM `contact` WHERE `contact`.`uid` = `user`.`uid` AND `contact`.`self`)");
if (DBA::isResult($r)) {
foreach ($r AS $user) {
Logger::log('Create missing self contact for user ' . $user['uid']);
Contact::createSelfFromUserId($user['uid']);
}
}
// There was an issue where the nick vanishes from the contact table
q("UPDATE `contact` INNER JOIN `user` ON `contact`.`uid` = `user`.`uid` SET `nick` = `nickname` WHERE `self` AND `nick`=''");
/// @todo
/// - remove thread entries without item
/// - remove sign entries without item
/// - remove children when parent got lost
/// - set contact-id in item when not present
// Add intro entries for pending contacts
// We don't do this for DFRN entries since such revived contact requests seem to mostly fail.
$pending_contacts = DBA::p("SELECT `uid`, `id`, `url`, `network`, `created` FROM `contact`
WHERE `pending` AND `rel` IN (?, ?) AND `network` != ?
AND NOT EXISTS (SELECT `id` FROM `intro` WHERE `contact-id` = `contact`.`id`)",
0, Contact::FOLLOWER, Protocol::DFRN);
while ($contact = DBA::fetch($pending_contacts)) {
DBA::insert('intro', ['uid' => $contact['uid'], 'contact-id' => $contact['id'], 'blocked' => false,
'hash' => Strings::getRandomHex(), 'datetime' => $contact['created']]);
}
DBA::close($pending_contacts);
}
/**
* Moves up to 5000 attachments and photos to the current storage system.
* Self-replicates if legacy items have been found and moved.
*
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
private static function moveStorage()
{
$current = DI::storage();
$moved = DI::storageManager()->move($current);
if ($moved) {
Worker::add(PRIORITY_LOW, "CronJobs", "move_storage");
}
}
}

58
src/Worker/ExpireAndRemoveUsers.php Normal file
View file

@ -0,0 +1,58 @@
<?php
/**
* @copyright Copyright (C) 2020, Friendica
*
* @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\Worker;
use Friendica\Database\DBA;
use Friendica\Model\User;
/**
* Expire and remove user entries
*/
class ExpireAndRemoveUsers
{
public static function execute()
{
// expire any expired regular accounts. Don't expire forums.
$condition = ["NOT `account_expired` AND `account_expires_on` > ? AND `account_expires_on` < UTC_TIMESTAMP() AND `page-flags` = 0", DBA::NULL_DATETIME];
DBA::update('user', ['account_expired' => true], $condition);
// Remove any freshly expired account
$users = DBA::select('user', ['uid'], ['account_expired' => true, 'account_removed' => false]);
while ($user = DBA::fetch($users)) {
User::remove($user['uid']);
}
DBA::close($users);
// delete user records for recently removed accounts
$users = DBA::select('user', ['uid'], ["`account_removed` AND `account_expires_on` < UTC_TIMESTAMP() "]);
while ($user = DBA::fetch($users)) {
// Delete the contacts of this user
$self = DBA::selectFirst('contact', ['nurl'], ['self' => true, 'uid' => $user['uid']]);
if (DBA::isResult($self)) {
DBA::delete('contact', ['nurl' => $self['nurl'], 'self' => false]);
}
DBA::delete('user', ['uid' => $user['uid']]);
}
DBA::close($users);
}
}

43
src/Worker/MoveStorage.php Normal file
View file

@ -0,0 +1,43 @@
<?php
/**
* @copyright Copyright (C) 2020, Friendica
*
* @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\Worker;
use Friendica\Core\Worker;
use Friendica\DI;
/**
* Moves up to 5000 attachments and photos to the current storage system.
* Self-replicates if legacy items have been found and moved.
*
*/
class MoveStorage
{
public static function execute()
{
$current = DI::storage();
$moved = DI::storageManager()->move($current);
if ($moved) {
Worker::add(PRIORITY_LOW, 'MoveStorage');
}
}
}

41
src/Worker/NodeInfo.php Normal file
View file

@ -0,0 +1,41 @@
<?php
/**
* @copyright Copyright (C) 2020, Friendica
*
* @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\Worker;
use Friendica\Core\Logger;
use Friendica\DI;
use Friendica\Model\Nodeinfo as ModelNodeInfo;
class NodeInfo
{
public static function execute()
{
Logger::info('start');
ModelNodeInfo::update();
// Now trying to register
$url = 'http://the-federation.info/register/' . DI::baseUrl()->getHostname();
Logger::debug('Check registering url', ['url' => $url]);
$ret = DI::httpRequest()->fetch($url);
Logger::debug('Check registering answer', ['answer' => $ret]);
Logger::info('end');
}
}

32
src/Worker/PostUpdate.php Normal file
View file

@ -0,0 +1,32 @@
<?php
/**
* @copyright Copyright (C) 2020, Friendica
*
* @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\Worker;
use Friendica\Database\PostUpdate as DatabasePostUpdate;
class PostUpdate
{
public static function execute()
{
DatabasePostUpdate::update();
}
}

69
src/Worker/RepairDatabase.php Normal file
View file

@ -0,0 +1,69 @@
<?php
/**
* @copyright Copyright (C) 2020, Friendica
*
* @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\Worker;
use Friendica\Core\Logger;
use Friendica\Core\Protocol;
use Friendica\Database\DBA;
use Friendica\Model\Contact;
use Friendica\Util\Strings;
/**
* Do some repairs in database entries
*
*/
class RepairDatabase
{
public static function execute()
{
// Sometimes there seem to be issues where the "self" contact vanishes.
// We haven't found the origin of the problem by now.
$users = DBA::select('user', ['uid'], ["NOT EXISTS (SELECT `uid` FROM `contact` WHERE `contact`.`uid` = `user`.`uid` AND `contact`.`self`)"]);
while ($user = DBA::fetch($users)) {
Logger::notice('Create missing self contact', ['user'=> $user['uid']]);
Contact::createSelfFromUserId($user['uid']);
}
DBA::close($users);
// There was an issue where the nick vanishes from the contact table
DBA::e("UPDATE `contact` INNER JOIN `user` ON `contact`.`uid` = `user`.`uid` SET `nick` = `nickname` WHERE `self` AND `nick`=''");
/// @todo
/// - remove thread entries without item
/// - remove sign entries without item
/// - remove children when parent got lost
/// - set contact-id in item when not present
// Add intro entries for pending contacts
// We don't do this for DFRN entries since such revived contact requests seem to mostly fail.
$pending_contacts = DBA::p("SELECT `uid`, `id`, `url`, `network`, `created` FROM `contact`
WHERE `pending` AND `rel` IN (?, ?) AND `network` != ?
AND NOT EXISTS (SELECT `id` FROM `intro` WHERE `contact-id` = `contact`.`id`)",
0, Contact::FOLLOWER, Protocol::DFRN);
while ($contact = DBA::fetch($pending_contacts)) {
DBA::insert('intro', ['uid' => $contact['uid'], 'contact-id' => $contact['id'], 'blocked' => false,
'hash' => Strings::getRandomHex(), 'datetime' => $contact['created']]);
}
DBA::close($pending_contacts);
}
}

32
src/Worker/UpdateContactBirthdays.php Normal file
View file

@ -0,0 +1,32 @@
<?php
/**
* @copyright Copyright (C) 2020, Friendica
*
* @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\Worker;
use Friendica\Model\Contact;
class UpdateContactBirthdays
{
public static function execute()
{
Contact::updateBirthdays();
}
}

40
src/Worker/UpdatePhotoAlbums.php Normal file
View file

@ -0,0 +1,40 @@
<?php
/**
* @copyright Copyright (C) 2020, Friendica
*
* @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\Worker;
use Friendica\Database\DBA;
use Friendica\Model\Photo;
/**
* Update the cached values for the number of photo albums per user
*/
class UpdatePhotoAlbums
{
public static function execute()
{
$users = DBA::select('user', ['uid'], ['account_expired' => false, 'account_removed' => false]);
while ($user = DBA::fetch($users)) {
Photo::clearAlbumCache($user['uid']);
}
DBA::close($users);
}
}