SpecialActiveusers.php

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<?php
class ActiveUsersPager extends UsersPager {

        protected $opts;

        protected $hideGroups = array();

        protected $hideRights = array();

        function __construct( IContextSource $context = null, $group = null, $par = null ) {
                global $wgActiveUserDays;

                parent::__construct( $context );

                $this->RCMaxAge = $wgActiveUserDays;
                $un = $this->getRequest()->getText( 'username', $par );
                $this->requestedUser = '';
                if ( $un != '' ) {
                        $username = Title::makeTitleSafe( NS_USER, $un );
                        if( !is_null( $username ) ) {
                                $this->requestedUser = $username->getText();
                        }
                }

                $this->setupOptions();
        }

        public function setupOptions() {
                $this->opts = new FormOptions();

                $this->opts->add( 'hidebots', false, FormOptions::BOOL );
                $this->opts->add( 'hidesysops', false, FormOptions::BOOL );

                $this->opts->fetchValuesFromRequest( $this->getRequest() );

                if ( $this->opts->getValue( 'hidebots' ) == 1 ) {
                        $this->hideRights[] = 'bot';
                }
                if ( $this->opts->getValue( 'hidesysops' ) == 1 ) {
                        $this->hideGroups[] = 'sysop';
                }
        }

        function getIndexField() {
                return 'rc_user_text';
        }

        function getQueryInfo() {
                $dbr = wfGetDB( DB_SLAVE );
                $conds = array( 'rc_user > 0' ); // Users - no anons
                $conds[] = 'ipb_deleted IS NULL'; // don't show hidden names
                $conds[] = 'rc_log_type IS NULL OR rc_log_type != ' . $dbr->addQuotes( 'newusers' );
                $conds[] = 'rc_timestamp >= ' . $dbr->addQuotes( $dbr->timestamp( wfTimestamp( TS_UNIX ) - $this->RCMaxAge*24*3600 ) );

                if( $this->requestedUser != '' ) {
                        $conds[] = 'rc_user_text >= ' . $dbr->addQuotes( $this->requestedUser );
                }

                $query = array(
                        'tables' => array( 'recentchanges', 'user', 'ipblocks' ),
                        'fields' => array( 'user_name' => 'rc_user_text', // inheritance
                                'rc_user_text', // for Pager
                                'user_id',
                                'recentedits' => 'COUNT(*)',
                                'blocked' => 'MAX(ipb_user)'
                        ),
                        'options' => array(
                                'GROUP BY' => array( 'rc_user_text', 'user_id' ),
                                'USE INDEX' => array( 'recentchanges' => 'rc_user_text' )
                        ),
                        'join_conds' => array(
                                'user' => array( 'INNER JOIN', 'rc_user_text=user_name' ),
                                'ipblocks' => array( 'LEFT JOIN', array(
                                        'user_id=ipb_user',
                                        'ipb_auto' => 0,
                                        'ipb_deleted' => 1
                                )),
                        ),
                        'conds' => $conds
                );
                return $query;
        }

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

                $ulinks = Linker::userLink( $row->user_id, $userName );
                $ulinks .= Linker::userToolLinks( $row->user_id, $userName );

                $lang = $this->getLanguage();

                $list = array();
                $user = User::newFromId( $row->user_id );

                // User right filter
                foreach( $this->hideRights as $right ) {
                        // Calling User::getRights() within the loop so that
                        // if the hideRights() filter is empty, we don't have to
                        // trigger the lazy-init of the big userrights array in the
                        // User object
                        if ( in_array( $right, $user->getRights() ) ) {
                                return '';
                        }
                }

                // User group filter
                // Note: This is a different loop than for user rights,
                // because we're reusing it to build the group links
                // at the same time
                foreach( $user->getGroups() as $group ) {
                        if ( in_array( $group, $this->hideGroups ) ) {
                                return '';
                        }
                        $list[] = self::buildGroupLink( $group, $userName );
                }

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

                $item = $lang->specialList( $ulinks, $groups );
                $count = $this->msg( 'activeusers-count' )->numParams( $row->recentedits )
                        ->params( $userName )->numParams( $this->RCMaxAge )->escaped();
                $blocked = $row->blocked ? ' ' . $this->msg( 'listusers-blocked', $userName )->escaped() : '';

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

        function getPageHeader() {
                global $wgScript;

                $self = $this->getTitle();
                $limit = $this->mLimit ? Html::hidden( 'limit', $this->mLimit ) : '';

                $out = Xml::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript ) ); # Form tag
                $out .= Xml::fieldset( $this->msg( 'activeusers' )->text() ) . "\n";
                $out .= Html::hidden( 'title', $self->getPrefixedDBkey() ) . $limit . "\n";

                $out .= Xml::inputLabel( $this->msg( 'activeusers-from' )->text(),
                        'username', 'offset', 20, $this->requestedUser ) . '<br />';# Username field

                $out .= Xml::checkLabel( $this->msg( 'activeusers-hidebots' )->text(),
                        'hidebots', 'hidebots', $this->opts->getValue( 'hidebots' ) );

                $out .= Xml::checkLabel( $this->msg( 'activeusers-hidesysops' )->text(),
                        'hidesysops', 'hidesysops', $this->opts->getValue( 'hidesysops' ) ) . '<br />';

                $out .= Xml::submitButton( $this->msg( 'allpagessubmit' )->text() ) . "\n";# Submit button and form bottom
                $out .= Xml::closeElement( 'fieldset' );
                $out .= Xml::closeElement( 'form' );

                return $out;
        }
}

class SpecialActiveUsers extends SpecialPage {

        public function __construct() {
                parent::__construct( 'Activeusers' );
        }

        public function execute( $par ) {
                global $wgActiveUserDays;

                $this->setHeaders();
                $this->outputHeader();

                $out = $this->getOutput();
                $out->wrapWikiMsg( "<div class='mw-activeusers-intro'>\n$1\n</div>",
                        array( 'activeusers-intro', $this->getLanguage()->formatNum( $wgActiveUserDays ) ) );

                $up = new ActiveUsersPager( $this->getContext(), null, $par );

                # getBody() first to check, if empty
                $usersbody = $up->getBody();

                $out->addHTML( $up->getPageHeader() );
                if ( $usersbody ) {
                        $out->addHTML(
                                $up->getNavigationBar() .
                                Html::rawElement( 'ul', array(), $usersbody ) .
                                $up->getNavigationBar()
                        );
                } else {
                        $out->addWikiMsg( 'activeusers-noresult' );
                }
        }

}