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<?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
* @author Aaron Schulz
* @ingroup JobQueue
*/
/**
* Job for updating user activity like "last viewed" timestamps
*
* @ingroup JobQueue
* @since 1.26
*/
class ActivityUpdateJob extends Job {
function __construct( Title $title, array $params ) {
parent::__construct( 'activityUpdateJob', $title, $params );
if ( !isset( $params['type'] ) ) {
throw new InvalidArgumentException( "Missing 'type' parameter." );
}
$this->removeDuplicates = true;
}
public function run() {
if ( $this->params['type'] === 'updateWatchlistNotification' ) {
$this->updateWatchlistNotification();
} else {
throw new Exception( "Invalid 'type' parameter '{$this->params['type']}'." );
}
return true;
}
protected function updateWatchlistNotification() {
$casTimestamp = ( $this->params['notifTime'] !== null )
? $this->params['notifTime']
: $this->params['curTime'];
$dbw = wfGetDB( DB_MASTER );
$dbw->update( 'watchlist',
array(
'wl_notificationtimestamp' => $dbw->timestampOrNull( $this->params['notifTime'] )
),
array(
'wl_user' => $this->params['userid'],
'wl_namespace' => $this->title->getNamespace(),
'wl_title' => $this->title->getDBkey(),
// Add a "check and set" style comparison to handle conflicts.
// The inequality always avoids updates when the current value
// is already NULL per ANSI SQL. This is desired since NULL means
// that the user is "caught up" on edits already. When the field
// is non-NULL, make sure not to set it back in time or set it to
// NULL when newer revisions were in fact added to the page.
'wl_notificationtimestamp < ' . $dbw->addQuotes( $dbw->timestamp( $casTimestamp ) )
),
__METHOD__
);
}
}
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