wfMsgForContentNoTrans() was removed

[mediawiki.git] / includes / specials / SpecialActiveusers.php

<?php
/**
 * Implements Special:Activeusers
 *
 * Copyright © 2008 Aaron Schulz
 *
 * 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 SpecialPage
 */

/**
 * 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 SpecialPage
 */
class ActiveUsersPager extends UsersPager {
        /**
         * @var FormOptions
         */
        protected $opts;

        /**
         * @var array
         */
        protected $hideGroups = array();

        /**
         * @var array
         */
        protected $hideRights = array();

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

        /**
         * @param IContextSource $context
         * @param null $group Unused
         * @param string $par Parameter passed to the page
         */
        function __construct( IContextSource $context = null, $group = null, $par = null ) {
                parent::__construct( $context );

                $this->RCMaxAge = $this->getConfig()->get( 'ActiveUserDays' );
                $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 'qcc_title';
        }

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

                $activeUserSeconds = $this->getConfig()->get( 'ActiveUserDays' ) * 86400;
                $timestamp = $dbr->timestamp( wfTimestamp( TS_UNIX ) - $activeUserSeconds );
                $conds = array(
                        'qcc_type' => 'activeusers',
                        'qcc_namespace' => NS_USER,
                        'user_name = qcc_title',
                        'rc_user_text = qcc_title',
                        'rc_type != ' . $dbr->addQuotes( RC_EXTERNAL ), // Don't count wikidata.
                        'rc_log_type IS NULL OR rc_log_type != ' . $dbr->addQuotes( 'newusers' ),
                        'rc_timestamp >= ' . $dbr->addQuotes( $timestamp ),
                );
                if ( $this->requestedUser != '' ) {
                        $conds[] = 'qcc_title >= ' . $dbr->addQuotes( $this->requestedUser );
                }
                if ( !$this->getUser()->isAllowed( 'hideuser' ) ) {
                        $conds[] = 'NOT EXISTS (' . $dbr->selectSQLText(
                                'ipblocks', '1', array( 'ipb_user=user_id', 'ipb_deleted' => 1 )
                        ) . ')';
                }

                if ( $dbr->implicitGroupby() ) {
                        $options = array( 'GROUP BY' => array( 'qcc_title' ) );
                } else {
                        $options = array( 'GROUP BY' => array( 'user_name', 'user_id', 'qcc_title' ) );
                }

                return array(
                        'tables' => array( 'querycachetwo', 'user', 'recentchanges' ),
                        'fields' => array( 'user_name', 'user_id', 'recentedits' => 'COUNT(*)', 'qcc_title' ),
                        'options' => $options,
                        'conds' => $conds
                );
        }

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

                $uids = array();
                foreach ( $this->mResult as $row ) {
                        $uids[] = $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->select( 'ipblocks',
                        array( 'ipb_user', 'MAX(ipb_deleted) AS block_status' ),
                        array( 'ipb_user' => $uids ),
                        __METHOD__,
                        array( 'GROUP BY' => array( 'ipb_user' ) )
                );
                $this->blockStatusByUid = array();
                foreach ( $res as $row ) {
                        $this->blockStatusByUid[$row->ipb_user] = $row->block_status; // 0 or 1
                }
                $this->mResult->seek( 0 );
        }

        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
                $groups_list = self::getGroups( intval( $row->user_id ), $this->userGroupCache );
                foreach ( $groups_list as $group ) {
                        if ( in_array( $group, $this->hideGroups ) ) {
                                return '';
                        }
                        $list[] = self::buildGroupLink( $group, $userName );
                }

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

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

                $isBlocked = isset( $this->blockStatusByUid[$row->user_id] );
                if ( $isBlocked && $this->blockStatusByUid[$row->user_id] == 1 ) {
                        $item = "<span class=\"deleted\">$item</span>";
                }
                $count = $this->msg( 'activeusers-count' )->numParams( $row->recentedits )
                        ->params( $userName )->numParams( $this->RCMaxAge )->escaped();
                $blocked = $isBlocked ? ' ' . $this->msg( 'listusers-blocked', $userName )->escaped() : '';

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

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

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

                # Username field (with autocompletion support)
                $this->getOutput()->addModules( 'mediawiki.userSuggest' );
                $out .= Xml::inputLabel(
                        $this->msg( 'activeusers-from' )->text(),
                        'username',
                        'offset',
                        20,
                        $this->requestedUser,
                        array(
                                'class' => 'mw-ui-input-inline mw-autocomplete-user',
                                'tabindex' => 1,
                                'autofocus' => $this->requestedUser === '',
                        )
                ) . '<br />';

                $out .= Xml::checkLabel( $this->msg( 'activeusers-hidebots' )->text(),
                        'hidebots', 'hidebots', $this->opts->getValue( 'hidebots' ), array( 'tabindex' => 2 ) );

                $out .= Xml::checkLabel(
                        $this->msg( 'activeusers-hidesysops' )->text(),
                        'hidesysops',
                        'hidesysops',
                        $this->opts->getValue( 'hidesysops' ),
                        array( 'tabindex' => 3 )
                ) . '<br />';

                # Submit button and form bottom
                $out .= Xml::submitButton(
                        $this->msg( 'activeusers-submit' )->text(),
                        array( 'tabindex' => 4 )
                ) . "\n";
                $out .= Xml::closeElement( 'fieldset' );
                $out .= Xml::closeElement( 'form' );

                return $out;
        }
}

/**
 * @ingroup SpecialPage
 */
class SpecialActiveUsers extends SpecialPage {

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

        /**
         * Show the special page
         *
         * @param string $par Parameter passed to the page or null
         */
        public function execute( $par ) {
                $days = $this->getConfig()->get( 'ActiveUserDays' );

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

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

                // Mention the level of cache staleness...
                $dbr = wfGetDB( DB_SLAVE, 'recentchanges' );
                $rcMax = $dbr->selectField( 'recentchanges', 'MAX(rc_timestamp)' );
                if ( $rcMax ) {
                        $cTime = $dbr->selectField( 'querycache_info',
                                'qci_timestamp',
                                array( 'qci_type' => 'activeusers' )
                        );
                        if ( $cTime ) {
                                $secondsOld = wfTimestamp( TS_UNIX, $rcMax ) - wfTimestamp( TS_UNIX, $cTime );
                        } else {
                                $rcMin = $dbr->selectField( 'recentchanges', 'MIN(rc_timestamp)' );
                                $secondsOld = time() - wfTimestamp( TS_UNIX, $rcMin );
                        }
                        if ( $secondsOld > 0 ) {
                                $out->addWikiMsg( 'cachedspecial-viewing-cached-ttl',
                                $this->getLanguage()->formatDuration( $secondsOld ) );
                        }
                }

                $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' );
                }
        }

        protected function getGroupName() {
                return 'users';
        }
}