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[autoinstallsdev/mediawiki.git] / includes / specials / pagers / ActiveUsersPager.php
diff --git a/includes/specials/pagers/ActiveUsersPager.php b/includes/specials/pagers/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
+ */
+
+/**
+ * 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;
+
+       /**
+        * @param IContextSource $context
+        * @param FormOptions $opts
+        */
+       function __construct( IContextSource $context = null, FormOptions $opts ) {
+               parent::__construct( $context );
+
+               $this->RCMaxAge = $this->getConfig()->get( 'ActiveUserDays' );
+               $this->requestedUser = '';
+
+               $un = $opts->getValue( 'username' );
+               if ( $un != '' ) {
+                       $username = Title::makeTitleSafe( NS_USER, $un );
+                       if ( !is_null( $username ) ) {
+                               $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';
+               }
+       }
+
+       function getIndexField() {
+               return 'qcc_title';
+       }
+
+       function getQueryInfo() {
+               $dbr = $this->getDatabase();
+
+               $activeUserSeconds = $this->getConfig()->get( 'ActiveUserDays' ) * 86400;
+               $timestamp = $dbr->timestamp( wfTimestamp( TS_UNIX ) - $activeUserSeconds );
+               $tables = [ 'querycachetwo', 'user', 'recentchanges' ];
+               $conds = [
+                       '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_type != ' . $dbr->addQuotes( RC_CATEGORIZE ), // Don't count categorization changes.
+                       '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->groups !== [] ) {
+                       $tables[] = 'user_groups';
+                       $conds[] = 'ug_user = user_id';
+                       $conds['ug_group'] = $this->groups;
+                       $conds[] = 'ug_expiry IS NULL OR ug_expiry >= ' . $dbr->addQuotes( $dbr->timestamp() );
+               }
+               if ( $this->excludegroups !== [] ) {
+                       foreach ( $this->excludegroups as $group ) {
+                               $conds[] = 'NOT EXISTS (' . $dbr->selectSQLText(
+                                       'user_groups', '1', [
+                                               'ug_user = user_id',
+                                               'ug_group' => $group,
+                                               'ug_expiry IS NULL OR ug_expiry >= ' . $dbr->addQuotes( $dbr->timestamp() )
+                                       ]
+                               ) . ')';
+                       }
+               }
+               if ( !$this->getUser()->isAllowed( 'hideuser' ) ) {
+                       $conds[] = 'NOT EXISTS (' . $dbr->selectSQLText(
+                                       'ipblocks', '1', [ 'ipb_user=user_id', 'ipb_deleted' => 1 ]
+                               ) . ')';
+               }
+
+               return [
+                       'tables' => $tables,
+                       'fields' => [
+                               'qcc_title',
+                               'user_name' => 'qcc_title',
+                               'user_id' => 'MAX(user_id)',
+                               'recentedits' => 'COUNT(*)'
+                       ],
+                       'options' => [ 'GROUP BY' => [ 'qcc_title' ] ],
+                       'conds' => $conds
+               ];
+       }
+
+       function doBatchLookups() {
+               parent::doBatchLookups();
+
+               $uids = [];
+               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',
+                       [ 'ipb_user', 'MAX(ipb_deleted) AS block_status' ],
+                       [ 'ipb_user' => $uids ],
+                       __METHOD__,
+                       [ 'GROUP BY' => [ 'ipb_user' ] ]
+               );
+               $this->blockStatusByUid = [];
+               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 = [];
+               $user = User::newFromId( $row->user_id );
+
+               $ugms = self::getGroupMemberships( intval( $row->user_id ), $this->userGroupCache );
+               foreach ( $ugms as $ugm ) {
+                       $list[] = $this->buildGroupLink( $ugm, $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', $userName )->escaped() : '';
+
+               return Html::rawElement( 'li', [], "{$item} [{$count}]{$blocked}" );
+       }
+
+}