ActiveUsersPager.php
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ActiveUsersPager.php
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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
	* @ingroup Pager
	*/

	namespace MediaWiki\Pager;

	use MediaWiki\Block\HideUserUtils;
	use MediaWiki\Cache\LinkBatchFactory;
	use MediaWiki\Context\IContextSource;
	use MediaWiki\HookContainer\HookContainer;
	use MediaWiki\Html\FormOptions;
	use MediaWiki\Html\Html;
	use MediaWiki\Linker\Linker;
	use MediaWiki\MainConfigNames;
	use MediaWiki\Title\Title;
	use MediaWiki\User\TempUser\TempUserConfig;
	use MediaWiki\User\UserGroupManager;
	use MediaWiki\User\UserIdentityLookup;
	use MediaWiki\User\UserIdentityValue;
	use Wikimedia\Rdbms\IConnectionProvider;
	use Wikimedia\Rdbms\Subquery;

	/**
	* This class is used to get a list of active users. The ones with specials
	* rights (sysop, bureaucrat, developer) will have them displayed
	* next to their names.
	*
	* @ingroup Pager
	*/
	class ActiveUsersPager extends UsersPager {
	/**
	* @var FormOptions
	*/
	protected $opts;

	/**
	* @var string[]
	*/
	protected $groups;

	/**
	* @var array
	*/
	private $blockStatusByUid;

	/** @var int */
	private $RCMaxAge;

	/** @var string[] */
	private $excludegroups;

	public function __construct(
	IContextSource $context,
	HookContainer $hookContainer,
	LinkBatchFactory $linkBatchFactory,
	IConnectionProvider $dbProvider,
	UserGroupManager $userGroupManager,
	UserIdentityLookup $userIdentityLookup,
	HideUserUtils $hideUserUtils,
	TempUserConfig $tempUserConfig,
	FormOptions $opts
	) {
	parent::__construct(
	$context,
	$hookContainer,
	$linkBatchFactory,
	$dbProvider,
	$userGroupManager,
	$userIdentityLookup,
	$hideUserUtils,
	$tempUserConfig,
	null,
	null
	);

	$this->RCMaxAge = $this->getConfig()->get( MainConfigNames::ActiveUserDays );
	$this->requestedUser = '';

	$un = $opts->getValue( 'username' );
	if ( $un != '' ) {
	$username = Title::makeTitleSafe( NS_USER, $un );
	if ( $username !== null ) {
	$this->requestedUser = $username->getText();
	}
	}

	$this->groups = $opts->getValue( 'groups' );
	$this->excludegroups = $opts->getValue( 'excludegroups' );
	// Backwards-compatibility with old URLs
	if ( $opts->getValue( 'hidebots' ) ) {
	$this->excludegroups[] = 'bot';
	}
	if ( $opts->getValue( 'hidesysops' ) ) {
	$this->excludegroups[] = 'sysop';
	}
	}

	public function getIndexField() {
	return 'qcc_title';
	}

	public function getQueryInfo( $data = null ) {
	$dbr = $this->getDatabase();

	$activeUserSeconds = $this->getConfig()->get( MainConfigNames::ActiveUserDays ) * 86400;
	$timestamp = $dbr->timestamp( (int)wfTimestamp( TS_UNIX ) - $activeUserSeconds );
	$fname = __METHOD__ . ' (' . $this->getSqlComment() . ')';

	// Inner subselect to pull the active users out of querycachetwo
	$subquery = $dbr->newSelectQueryBuilder()
	->select( [ 'qcc_title', 'user_id', 'actor_id' ] )
	->from( 'querycachetwo' )
	->join( 'user', null, 'user_name = qcc_title' )
	->join( 'actor', null, 'actor_user = user_id' )
	->where( [
	'qcc_type' => 'activeusers',
	'qcc_namespace' => NS_USER,
	] )
	->caller( $fname );
	if ( $data !== null ) {
	$subquery
	->orderBy( 'qcc_title', $data['order'] )
	->limit( $data['limit'] )
	->andWhere( $data['conds'] );
	}
	if ( $this->requestedUser != '' ) {
	$subquery->andWhere( $dbr->expr( 'qcc_title', '>=', $this->requestedUser ) );
	}
	if ( $this->groups !== [] ) {
	$subquery
	->join( 'user_groups', 'ug1', 'ug1.ug_user = user_id' )
	->andWhere( [
	'ug1.ug_group' => $this->groups,
	$dbr->expr( 'ug1.ug_expiry', '=', null )->or( 'ug1.ug_expiry', '>=', $dbr->timestamp() ),
	] );
	}
	if ( $this->excludegroups !== [] ) {
	$subquery
	->leftJoin( 'user_groups', 'ug2', [
	'ug2.ug_user = user_id',
	'ug2.ug_group' => $this->excludegroups,
	$dbr->expr( 'ug2.ug_expiry', '=', null )->or( 'ug2.ug_expiry', '>=', $dbr->timestamp() ),
	] )
	->andWhere( [ 'ug2.ug_user' => null ] );
	}
	if ( !$this->canSeeHideuser() ) {
	$subquery->andWhere( $this->hideUserUtils->getExpression( $dbr ) );
	}

	// Outer query to select the recent edit counts for the selected active users
	return [
	'tables' => [ 'qcc_users' => new Subquery( $subquery->getSQL() ), 'recentchanges' ],
	'fields' => [
	'qcc_title',
	'user_name' => 'qcc_title',
	'user_id' => 'user_id',
	'recentedits' => 'COUNT(DISTINCT rc_id)'
	],
	'options' => [ 'GROUP BY' => [ 'qcc_title', 'user_id' ] ],
	'conds' => [],
	'join_conds' => [ 'recentchanges' => [ 'LEFT JOIN', [
	'rc_actor = actor_id',
	$dbr->expr( 'rc_type', '!=', RC_EXTERNAL ), // Don't count wikidata.
	$dbr->expr( 'rc_type', '!=', RC_CATEGORIZE ), // Don't count categorization changes.
	$dbr->expr( 'rc_log_type', '=', null )->or( 'rc_log_type', '!=', 'newusers' ),
	$dbr->expr( 'rc_timestamp', '>=', $timestamp ),
	] ] ],
	];
	}

	protected function buildQueryInfo( $offset, $limit, $order ) {
	$fname = __METHOD__ . ' (' . $this->getSqlComment() . ')';

	$sortColumns = array_merge( [ $this->mIndexField ], $this->mExtraSortFields );
	if ( $order === self::QUERY_ASCENDING ) {
	$dir = 'ASC';
	$orderBy = $sortColumns;
	$operator = $this->mIncludeOffset ? '>=' : '>';
	} else {
	$dir = 'DESC';
	$orderBy = [];
	foreach ( $sortColumns as $col ) {
	$orderBy[] = $col . ' DESC';
	}
	$operator = $this->mIncludeOffset ? '<=' : '<';
	}
	$info = $this->getQueryInfo( [
	'limit' => intval( $limit ),
	'order' => $dir,
	'conds' =>
	$offset != '' ? [ $this->getDatabase()->expr( $this->mIndexField, $operator, $offset ) ] : [],
	] );

	$tables = $info['tables'];
	$fields = $info['fields'];
	$conds = $info['conds'];
	$options = $info['options'];
	$join_conds = $info['join_conds'];
	$options['ORDER BY'] = $orderBy;
	return [ $tables, $fields, $conds, $fname, $options, $join_conds ];
	}

	protected function doBatchLookups() {
	parent::doBatchLookups();

	$uids = [];
	foreach ( $this->mResult as $row ) {
	$uids[] = (int)$row->user_id;
	}
	// Fetch the block status of the user for showing "(blocked)" text and for
	// striking out names of suppressed users when privileged user views the list.
	// Although the first query already hits the block table for un-privileged, this
	// is done in two queries to avoid huge quicksorts and to make COUNT(*) correct.
	$dbr = $this->getDatabase();
	$res = $dbr->newSelectQueryBuilder()
	->select( [
	'bt_user',
	'deleted' => 'MAX(bl_deleted)',
	'sitewide' => 'MAX(bl_sitewide)'
	] )
	->from( 'block_target' )
	->join( 'block', null, 'bl_target=bt_id' )
	->where( [ 'bt_user' => $uids ] )
	->groupBy( [ 'bt_user' ] )
	->caller( __METHOD__ )->fetchResultSet();
	$this->blockStatusByUid = [];
	foreach ( $res as $row ) {
	$this->blockStatusByUid[$row->bt_user] = [
	'deleted' => $row->deleted,
	'sitewide' => $row->sitewide,
	];
	}
	$this->mResult->seek( 0 );
	}

	public function formatRow( $row ) {
	$userName = $row->user_name;

	$ulinks = Linker::userLink( $row->user_id, $userName );
	$ulinks .= Linker::userToolLinks(
	$row->user_id,
	$userName,
	// Should the contributions link be red if the user has no edits (using default)
	false,
	// Customisation flags (using default 0)
	0,
	// User edit count (using default)
	null,
	// do not wrap the message in parentheses (CSS will provide these)
	false
	);

	$lang = $this->getLanguage();

	$list = [];

	$userIdentity = new UserIdentityValue( intval( $row->user_id ), $userName );
	$ugms = $this->getGroupMemberships( $userIdentity );
	foreach ( $ugms as $ugm ) {
	$list[] = $this->buildGroupLink( $ugm, $userName );
	}

	$groups = $lang->commaList( $list );

	$item = $lang->specialList( $ulinks, $groups );

	// If there is a block, 'deleted' and 'sitewide' are both set on
	// $this->blockStatusByUid[$row->user_id].
	$blocked = '';
	$isBlocked = isset( $this->blockStatusByUid[$row->user_id] );
	if ( $isBlocked ) {
	if ( $this->blockStatusByUid[$row->user_id]['deleted'] == 1 ) {
	$item = "<span class=\"deleted\">$item</span>";
	}
	if ( $this->blockStatusByUid[$row->user_id]['sitewide'] == 1 ) {
	$blocked = ' ' . $this->msg( 'listusers-blocked', $userName )->escaped();
	}
	}
	$count = $this->msg( 'activeusers-count' )->numParams( $row->recentedits )
	->params( $userName )->numParams( $this->RCMaxAge )->escaped();

	return Html::rawElement( 'li', [], "{$item} [{$count}]{$blocked}" );
	}

	}

	/**
	* Retain the old class name for backwards compatibility.
	* @deprecated since 1.41
	*/
	class_alias( ActiveUsersPager::class, 'ActiveUsersPager' );

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