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<?php
/**
* Contains class with job for rebuilding message group stats.
*
* @file
* @author Niklas Laxström
* @license GPL-2.0-or-later
*/
/**
* Job for rebuilding message group stats.
*
* @ingroup JobQueue
*/
class MessageGroupStatsRebuildJob extends Job {
/**
* @param array $params
* @return self
*/
public static function newJob( $params ) {
$job = new self( Title::newMainPage(), $params );
return $job;
}
/**
* Force updating of message group stats for given groups.
*
* This uses cache for groups not given. If given groups have dependencies such
* as an aggregate group and it's subgroup, this attempts to take care of it so
* that no duplicate work is done.
*
* @param string[] $messageGroupIds
* @return self
*/
public static function newRefreshGroupsJob( array $messageGroupIds ) {
return new self( Title::newMainPage(), [ 'cleargroups' => $messageGroupIds ] );
}
/**
* @param Title $title
* @param array $params
*/
public function __construct( $title, $params = [] ) {
parent::__construct( __CLASS__, $title, $params );
}
public function run() {
$params = $this->params;
$flags = 0;
// Sanity check that this is run via JobQueue. Immediate writes are only safe when they
// are run in isolation, e.g. as a separate job in the JobQueue.
if ( defined( 'MEDIAWIKI_JOB_RUNNER' ) ) {
$flags |= MessageGroupStats::FLAG_IMMEDIATE_WRITES;
}
// This is to make sure the priority value is not read from the process cache.
// There is still a possibility that, due to replication lag, an old value is read.
MessageGroups::singleton()->clearProcessCache();
if ( isset( $params[ 'purge' ] ) && $params[ 'purge' ] ) {
$flags |= MessageGroupStats::FLAG_NO_CACHE;
}
if ( isset( $params[ 'groupid' ] ) ) {
MessageGroupStats::forGroup( $params[ 'groupid' ], $flags );
} elseif ( isset( $params[ 'cleargroups' ] ) ) {
// clearGroup takes an array of group ids, but no flags
MessageGroupStats::clearGroup( $params[ 'cleargroups' ] );
} elseif ( isset( $params[ 'languagecode' ] ) ) {
MessageGroupStats::forLanguage( $params[ 'languagecode' ], $flags );
} else {
throw new InvalidArgumentException( 'No groupid or languagecode or cleargroup provided' );
}
return true;
}
}
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