mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/Echo
synced 2024-09-25 03:09:37 +00:00
76 lines
2 KiB
PHP
76 lines
2 KiB
PHP
<?php
|
|
|
|
/**
|
|
* This job is created when sending notifications to the target users. The purpose
|
|
* of this job is to delete older notifications when the number of notifications a
|
|
* user has is more than $wgEchoMaxUpdateCount, it does not make sense to have tons
|
|
* of notifications in the history while users wouldn't bother to click 'load more'
|
|
* like 100 times to see them. What we gain from this is we could run expensive
|
|
* queries otherwise that would requires adding index and data denormalization.
|
|
*/
|
|
class EchoNotificationDeleteJob extends Job {
|
|
|
|
/**
|
|
* UserIds to be processed
|
|
* @var int[]
|
|
*/
|
|
protected $userIds = array();
|
|
|
|
/**
|
|
* @var MWEchoDbFactory
|
|
*/
|
|
protected $dbFactory;
|
|
|
|
/**
|
|
* @param Title
|
|
* @param array
|
|
*/
|
|
function __construct( $title, $params ) {
|
|
parent::__construct( __CLASS__, $title, $params );
|
|
$this->userIds = $params['userIds'];
|
|
$this->dbFactory = MWEchoDbFactory::newFromDefault();
|
|
}
|
|
|
|
/**
|
|
* Run the job of finding & deleting older notifications
|
|
*/
|
|
function run() {
|
|
global $wgEchoMaxUpdateCount;
|
|
|
|
$updateCount = 0;
|
|
$dbw = $this->dbFactory->getEchoDb( DB_MASTER );
|
|
$notifMapper = new EchoNotificationMapper();
|
|
$targetMapper = new EchoTargetPageMapper();
|
|
|
|
foreach ( $this->userIds as $userId ) {
|
|
$user = User::newFromId( $userId );
|
|
$notif = $notifMapper->fetchByUserOffset( $user, $wgEchoMaxUpdateCount );
|
|
if ( $notif ) {
|
|
$dbw->startAtomic( __METHOD__ );
|
|
$res = $notifMapper->deleteByUserEventOffset(
|
|
$user, $notif->getEvent()->getId()
|
|
);
|
|
if ( $res ) {
|
|
$res = $targetMapper->deleteByUserEventOffset(
|
|
$user, $notif->getEvent()->getId()
|
|
);
|
|
}
|
|
$dbw->endAtomic( __METHOD__ );
|
|
$dbw->commit( 'flush' );
|
|
if ( $res ) {
|
|
$updateCount++;
|
|
$notifUser = MWEchoNotifUser::newFromUser( $user );
|
|
$notifUser->resetNotificationCount( DB_MASTER );
|
|
}
|
|
// Wait for slave if we are doing a lot of updates
|
|
if ( $updateCount > 10 ) {
|
|
$this->dbFactory->waitForSlaves();
|
|
$updateCount = 0;
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
}
|