Current File : /www/varak.net/wiki.varak.net/includes/jobqueue/jobs/ClearWatchlistNotificationsJob.php
<?php
/**
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup JobQueue
*/
use MediaWiki\MediaWikiServices;
/**
* Job for clearing all of the "last viewed" timestamps for a user's watchlist
*
* Job parameters include:
* - userId: affected user ID [required]
* - casTime: UNIX timestamp of the event that triggered this job [required]
*
* @ingroup JobQueue
* @since 1.31
*/
class ClearWatchlistNotificationsJob extends Job {
function __construct( Title $title, array $params ) {
parent::__construct( 'clearWatchlistNotifications', $title, $params );
static $required = [ 'userId', 'casTime' ];
$missing = implode( ', ', array_diff( $required, array_keys( $this->params ) ) );
if ( $missing != '' ) {
throw new InvalidArgumentException( "Missing paramter(s) $missing" );
}
$this->removeDuplicates = true;
}
public function run() {
$services = MediaWikiServices::getInstance();
$lbFactory = $services->getDBLoadBalancerFactory();
$rowsPerQuery = $services->getMainConfig()->get( 'UpdateRowsPerQuery' );
$dbw = $lbFactory->getMainLB()->getConnection( DB_MASTER );
$ticket = $lbFactory->getEmptyTransactionTicket( __METHOD__ );
$asOfTimes = array_unique( $dbw->selectFieldValues(
'watchlist',
'wl_notificationtimestamp',
[ 'wl_user' => $this->params['userId'], 'wl_notificationtimestamp IS NOT NULL' ],
__METHOD__,
[ 'ORDER BY' => 'wl_notificationtimestamp DESC' ]
) );
foreach ( array_chunk( $asOfTimes, $rowsPerQuery ) as $asOfTimeBatch ) {
$dbw->update(
'watchlist',
[ 'wl_notificationtimestamp' => null ],
[
'wl_user' => $this->params['userId'],
'wl_notificationtimestamp' => $asOfTimeBatch,
// New notifications since the reset should not be cleared
'wl_notificationtimestamp < ' .
$dbw->addQuotes( $dbw->timestamp( $this->params['casTime'] ) )
],
__METHOD__
);
$lbFactory->commitAndWaitForReplication( __METHOD__, $ticket );
}
}
}
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