includes/specials/SpecialActiveusers.php

   1 <?php
   2 /**
   3  * Implements Special:Activeusers
   4  *
   5  * Copyright © 2008 Aaron Schulz
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  20  * http://www.gnu.org/copyleft/gpl.html
  21  *
  22  * @file
  23  * @ingroup SpecialPage
  24  */
  25
  26 /**
  27  * This class is used to get a list of active users. The ones with specials
  28  * rights (sysop, bureaucrat, developer) will have them displayed
  29  * next to their names.
  30  *
  31  * @ingroup SpecialPage
  32  */
  33 class ActiveUsersPager extends UsersPager {
  34
  35         /**
  36          * @var FormOptions
  37          */
  38         protected $opts;
  39
  40         /**
  41          * @var Array
  42          */
  43         protected $hideGroups = array();
  44
  45         /**
  46          * @var Array
  47          */
  48         protected $hideRights = array();
  49
  50         /**
  51          * @param $context IContextSource
  52          * @param $group null Unused
  53          * @param string $par Parameter passed to the page
  54          */
  55         function __construct( IContextSource $context = null, $group = null, $par = null ) {
  56                 global $wgActiveUserDays;
  57
  58                 parent::__construct( $context );
  59
  60                 $this->RCMaxAge = $wgActiveUserDays;
  61                 $un = $this->getRequest()->getText( 'username', $par );
  62                 $this->requestedUser = '';
  63                 if ( $un != '' ) {
  64                         $username = Title::makeTitleSafe( NS_USER, $un );
  65                         if ( !is_null( $username ) ) {
  66                                 $this->requestedUser = $username->getText();
  67                         }
  68                 }
  69
  70                 $this->setupOptions();
  71         }
  72
  73         public function setupOptions() {
  74                 $this->opts = new FormOptions();
  75
  76                 $this->opts->add( 'hidebots', false, FormOptions::BOOL );
  77                 $this->opts->add( 'hidesysops', false, FormOptions::BOOL );
  78
  79                 $this->opts->fetchValuesFromRequest( $this->getRequest() );
  80
  81                 if ( $this->opts->getValue( 'hidebots' ) == 1 ) {
  82                         $this->hideRights[] = 'bot';
  83                 }
  84                 if ( $this->opts->getValue( 'hidesysops' ) == 1 ) {
  85                         $this->hideGroups[] = 'sysop';
  86                 }
  87         }
  88
  89         function getIndexField() {
  90                 return 'rc_user_text';
  91         }
  92
  93         function getQueryInfo() {
  94                 $dbr = $this->getDatabase();
  95
  96                 $conds = array( 'rc_user > 0' ); // Users - no anons
  97                 $conds[] = 'rc_log_type IS NULL OR rc_log_type != ' . $dbr->addQuotes( 'newusers' );
  98                 $conds[] = 'rc_timestamp >= ' . $dbr->addQuotes(
  99                         $dbr->timestamp( wfTimestamp( TS_UNIX ) - $this->RCMaxAge * 24 * 3600 ) );
 100
 101                 if ( $this->requestedUser != '' ) {
 102                         $conds[] = 'rc_user_text >= ' . $dbr->addQuotes( $this->requestedUser );
 103                 }
 104
 105                 if ( !$this->getUser()->isAllowed( 'hideuser' ) ) {
 106                         $conds[] = 'NOT EXISTS (' . $dbr->selectSQLText(
 107                                 'ipblocks', '1', array( 'rc_user=ipb_user', 'ipb_deleted' => 1 )
 108                         ) . ')';
 109                 }
 110
 111                 return array(
 112                         'tables' => array( 'recentchanges' ),
 113                         'fields' => array(
 114                                 'user_name' => 'rc_user_text', // for Pager inheritance
 115                                 'rc_user_text', // for Pager
 116                                 'user_id' => 'MAX(rc_user)', // Postgres
 117                                 'recentedits' => 'COUNT(*)'
 118                         ),
 119                         'options' => array(
 120                                 'GROUP BY' => array( 'rc_user_text' ),
 121                                 'USE INDEX' => array( 'recentchanges' => 'rc_user_text' )
 122                         ),
 123                         'conds' => $conds
 124                 );
 125         }
 126
 127         function doBatchLookups() {
 128                 $uids = array();
 129                 foreach ( $this->mResult as $row ) {
 130                         $uids[] = $row->user_id;
 131                 }
 132                 // Fetch the block status of the user for showing "(blocked)" text and for
 133                 // striking out names of suppressed users when privileged user views the list.
 134                 // Although the first query already hits the block table for un-privileged, this
 135                 // is done in two queries to avoid huge quicksorts and to make COUNT(*) correct.
 136                 $dbr = $this->getDatabase();
 137                 $res = $dbr->select( 'ipblocks',
 138                         array( 'ipb_user', 'MAX(ipb_deleted) AS block_status' ),
 139                         array( 'ipb_user' => $uids ),
 140                         __METHOD__,
 141                         array( 'GROUP BY' => array( 'ipb_user' ) )
 142                 );
 143                 $this->blockStatusByUid = array();
 144                 foreach ( $res as $row ) {
 145                         $this->blockStatusByUid[$row->ipb_user] = $row->block_status; // 0 or 1
 146                 }
 147                 $this->mResult->seek( 0 );
 148         }
 149
 150         function formatRow( $row ) {
 151                 $userName = $row->user_name;
 152
 153                 $ulinks = Linker::userLink( $row->user_id, $userName );
 154                 $ulinks .= Linker::userToolLinks( $row->user_id, $userName );
 155
 156                 $lang = $this->getLanguage();
 157
 158                 $list = array();
 159                 $user = User::newFromId( $row->user_id );
 160
 161                 // User right filter
 162                 foreach ( $this->hideRights as $right ) {
 163                         // Calling User::getRights() within the loop so that
 164                         // if the hideRights() filter is empty, we don't have to
 165                         // trigger the lazy-init of the big userrights array in the
 166                         // User object
 167                         if ( in_array( $right, $user->getRights() ) ) {
 168                                 return '';
 169                         }
 170                 }
 171
 172                 // User group filter
 173                 // Note: This is a different loop than for user rights,
 174                 // because we're reusing it to build the group links
 175                 // at the same time
 176                 foreach ( $user->getGroups() as $group ) {
 177                         if ( in_array( $group, $this->hideGroups ) ) {
 178                                 return '';
 179                         }
 180                         $list[] = self::buildGroupLink( $group, $userName );
 181                 }
 182
 183                 $groups = $lang->commaList( $list );
 184
 185                 $item = $lang->specialList( $ulinks, $groups );
 186
 187                 $isBlocked = isset( $this->blockStatusByUid[$row->user_id] );
 188                 if ( $isBlocked && $this->blockStatusByUid[$row->user_id] == 1 ) {
 189                         $item = "<span class=\"deleted\">$item</span>";
 190                 }
 191                 $count = $this->msg( 'activeusers-count' )->numParams( $row->recentedits )
 192                         ->params( $userName )->numParams( $this->RCMaxAge )->escaped();
 193                 $blocked = $isBlocked ? ' ' . $this->msg( 'listusers-blocked', $userName )->escaped() : '';
 194
 195                 return Html::rawElement( 'li', array(), "{$item} [{$count}]{$blocked}" );
 196         }
 197
 198         function getPageHeader() {
 199                 global $wgScript;
 200
 201                 $self = $this->getTitle();
 202                 $limit = $this->mLimit ? Html::hidden( 'limit', $this->mLimit ) : '';
 203
 204                 $out = Xml::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript ) ); # Form tag
 205                 $out .= Xml::fieldset( $this->msg( 'activeusers' )->text() ) . "\n";
 206                 $out .= Html::hidden( 'title', $self->getPrefixedDBkey() ) . $limit . "\n";
 207
 208                 $out .= Xml::inputLabel( $this->msg( 'activeusers-from' )->text(),
 209                         'username', 'offset', 20, $this->requestedUser, array( 'tabindex' => 1 ) ) . '<br />';# Username field
 210
 211                 $out .= Xml::checkLabel( $this->msg( 'activeusers-hidebots' )->text(),
 212                         'hidebots', 'hidebots', $this->opts->getValue( 'hidebots' ), array( 'tabindex' => 2 ) );
 213
 214                 $out .= Xml::checkLabel( $this->msg( 'activeusers-hidesysops' )->text(),
 215                         'hidesysops', 'hidesysops', $this->opts->getValue( 'hidesysops' ), array( 'tabindex' => 3 ) ) . '<br />';
 216
 217                 $out .= Xml::submitButton( $this->msg( 'allpagessubmit' )->text(), array( 'tabindex' => 4 ) ) . "\n";# Submit button and form bottom
 218                 $out .= Xml::closeElement( 'fieldset' );
 219                 $out .= Xml::closeElement( 'form' );
 220
 221                 return $out;
 222         }
 223 }
 224
 225 /**
 226  * @ingroup SpecialPage
 227  */
 228 class SpecialActiveUsers extends SpecialPage {
 229
 230         /**
 231          * Constructor
 232          */
 233         public function __construct() {
 234                 parent::__construct( 'Activeusers' );
 235         }
 236
 237         /**
 238          * Show the special page
 239          *
 240          * @param $par Mixed: parameter passed to the page or null
 241          */
 242         public function execute( $par ) {
 243                 global $wgActiveUserDays;
 244
 245                 $this->setHeaders();
 246                 $this->outputHeader();
 247
 248                 $out = $this->getOutput();
 249                 $out->wrapWikiMsg( "<div class='mw-activeusers-intro'>\n$1\n</div>",
 250                         array( 'activeusers-intro', $this->getLanguage()->formatNum( $wgActiveUserDays ) ) );
 251
 252                 $up = new ActiveUsersPager( $this->getContext(), null, $par );
 253
 254                 # getBody() first to check, if empty
 255                 $usersbody = $up->getBody();
 256
 257                 $out->addHTML( $up->getPageHeader() );
 258                 if ( $usersbody ) {
 259                         $out->addHTML(
 260                                 $up->getNavigationBar() .
 261                                 Html::rawElement( 'ul', array(), $usersbody ) .
 262                                 $up->getNavigationBar()
 263                         );
 264                 } else {
 265                         $out->addWikiMsg( 'activeusers-noresult' );
 266                 }
 267         }
 268
 269         protected function getGroupName() {
 270                 return 'users';
 271         }
 272 }