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<?php
use MediaWiki\MediaWikiServices;
class TopUsersListLookup {
/**
* @var int LIMIT for SQL query, defaults to 10
*/
private $limit;
public function __construct( $limit = 10 ) {
$this->limit = $limit;
}
public function getLimit() {
return $this->limit;
}
/**
* Get the list of top users, based on social statistics.
*
* @return array List of top users, contains the user IDs,
* names and amount of points the user has
*/
public function getList() {
$dbr = MediaWikiServices::getInstance()->getDBLoadBalancer()->getConnection( DB_REPLICA );
$res = $dbr->select(
[ 'user_stats', 'actor' ],
[ 'stats_actor', 'actor_user', 'actor_name', 'stats_total_points' ],
[ 'stats_actor IS NOT NULL' ],
__METHOD__,
[
'ORDER BY' => 'stats_total_points DESC',
'LIMIT' => $this->getLimit()
],
[ 'actor' => [ 'JOIN', 'stats_actor = actor_id' ] ]
);
$list = [];
foreach ( $res as $row ) {
$list[] = [
'actor' => $row->stats_actor,
'user_id' => $row->actor_user,
'user_name' => $row->actor_name,
'points' => $row->stats_total_points
];
}
return $list;
}
/**
* Get the top users for a given period.
*
* @param string $period Period for which we're getting the top users,
* can be either 'weekly' or 'monthly'
* @return array List of top users
*/
public function getListByTimePeriod( $period = 'weekly' ) {
if ( $period == 'monthly' ) {
$pointsTable = 'user_points_monthly';
} else {
$pointsTable = 'user_points_weekly';
}
$limit = $this->getLimit();
$dbr = MediaWikiServices::getInstance()->getDBLoadBalancer()->getConnection( DB_REPLICA );
$res = $dbr->select(
$pointsTable,
[ 'up_actor', 'up_points' ],
[ 'up_actor IS NOT NULL' ],
__METHOD__,
[
'ORDER BY' => 'up_points DESC',
'LIMIT' => $limit
]
);
$loop = 0;
$list = [];
foreach ( $res as $row ) {
$user = User::newFromId( $row->up_actor );
// Ensure that the user exists for real.
// Otherwise we'll be happily displaying entries for users that
// once existed by no longer do (account merging is a thing,
// sadly), since user_stats entries for users are *not* purged
// and/or merged during the account merge process (which is a
// different bug with a different extension).
// Also ignore flagged bot accounts, no point in showing those
// in the top lists.
$exists = $user->load();
if ( !$user->getBlock() && $exists && !$user->isBot() ) {
$list[] = [
'actor' => $row->up_actor,
'points' => $row->up_points
];
$loop++;
}
if ( $loop >= $limit ) {
break;
}
}
return $list;
}
}