includes/SpecialListusers.php

   1 <?php
   2
   3 # Copyright (C) 2004 Brion Vibber, lcrocker, Tim Starling,
   4 # Domas Mituzas, Ashar Voultoiz, Jens Frank, Zhengzhu.
   5 #
   6 # © 2006 Rob Church <robchur@gmail.com>
   7 #
   8 # http://www.mediawiki.org/
   9 #
  10 # This program is free software; you can redistribute it and/or modify
  11 # it under the terms of the GNU General Public License as published by
  12 # the Free Software Foundation; either version 2 of the License, or
  13 # (at your option) any later version.
  14 #
  15 # This program is distributed in the hope that it will be useful,
  16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18 # GNU General Public License for more details.
  19 #
  20 # You should have received a copy of the GNU General Public License along
  21 # with this program; if not, write to the Free Software Foundation, Inc.,
  22 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  23 # http://www.gnu.org/copyleft/gpl.html
  24 /**
  25  *
  26  * @addtogroup SpecialPage
  27  */
  28
  29 /**
  30  * This class is used to get a list of user. The ones with specials
  31  * rights (sysop, bureaucrat, developer) will have them displayed
  32  * next to their names.
  33  *
  34  * @addtogroup SpecialPage
  35  */
  36
  37 class UsersPager extends AlphabeticPager {
  38
  39         function __construct($group=null) {
  40                 global $wgRequest;
  41                 $this->groupRequested = $group != "" ? $group : $wgRequest->getVal( 'group' );
  42
  43                 parent::__construct();
  44         }
  45
  46
  47         function getIndexField() {
  48                 return 'user_name';
  49         }
  50
  51         function getQueryInfo() {
  52                 $conds=array();
  53                 if ($this->groupRequested != "") {
  54                         $conds['ug_group'] = $this->groupRequested;
  55                 }
  56
  57                 list ($user,$user_groups) = wfGetDB()->tableNamesN('user','user_groups');
  58
  59                 return array(
  60                         'tables' => " $user LEFT JOIN $user_groups ON user_id=ug_user ",
  61                         'fields' => array('user_name',
  62                                 'MAX(user_id) AS user_id',
  63                                 'COUNT(ug_group) AS numgroups',
  64                                 'MAX(ug_group) AS singlegroup'),
  65                         'options' => array('GROUP BY' => 'user_name'),
  66                         'conds' => $conds
  67                 );
  68         }
  69
  70         function formatRow($row) {
  71                 $userPage = Title::makeTitle(NS_USER, $row->user_name);
  72                 $name = $this->getSkin()->makeLinkObj( $userPage, htmlspecialchars( $userPage->getText() ) );
  73                 $groups = array();
  74                 if ($row->numgroups > 1 || ( $this->groupRequested and $row->numgroups == 1) ) {
  75                         $dbr = wfGetDB(DB_SLAVE);
  76                         $result = $dbr->select( 'user_groups', 'ug_group',
  77                                 array( 'ug_user' => $row->user_id ),
  78                                 'UsersPager::formatRow' );
  79                         while ( $group = $dbr->fetchObject($result)) {
  80                                 $groups[$group->ug_group] = User::getGroupMember ( $group->ug_group );
  81                         }
  82                         $dbr->freeResult($result);
  83                 } elseif ($row->numgroups == 1 ) { // MAX hack inside query :)
  84                         $groups[$row->singlegroup] = User::getGroupMember( $row->singlegroup );
  85                 }
  86
  87                 if ( count($groups) > 0 ) {
  88                         foreach( $groups as $group => $desc ) {
  89                                 $list[] = User::makeGroupLinkHTML( $group, $desc);
  90                         }
  91                         $groups = implode( ', ', $list);
  92                 } else {
  93                         $groups ='';
  94                 }
  95                 return '<li>' . wfSpecialList ($name, $groups) .'</li>';
  96         }
  97
  98         function getBody() {
  99                 if (!$this->mQueryDone) {
 100                         $this->doQuery();
 101                 }
 102                 $batch = new LinkBatch;
 103                 $db = $this->mDb;
 104
 105                 $this->mResult->rewind();
 106
 107                 while ( $row = $this->mResult->fetchObject() ) {
 108                         $batch->addObj( Title::makeTitleSafe( NS_USER, $row->user_name ) );
 109                 }
 110                 $batch->execute();
 111                 $this->mResult->rewind();
 112                 return parent::getBody();
 113         }
 114
 115         function getPageHeader( ) {
 116                 $self = $this->getTitle();
 117
 118                 # Form tag
 119                 $out = wfOpenElement( 'form', array( 'method' => 'post', 'action' => $self->getLocalUrl() ) );
 120
 121                 # Group drop-down list
 122                 $out .= wfElement( 'label', array( 'for' => 'group' ), wfMsg( 'group' ) ) . ' ';
 123                 $out .= wfOpenElement( 'select', array( 'name' => 'group', 'id' => 'group' ) );
 124                 $out .= wfElement( 'option', array( 'value' => '' ), wfMsg( 'group-all' ) ); # Item for "all groups"
 125                 $groups = User::getAllGroups();
 126                 foreach( $groups as $group ) {
 127                         $attribs = array( 'value' => $group );
 128                         if( $group == $this->requestedGroup )
 129                                 $attribs['selected'] = 'selected';
 130                         $out .= wfElement( 'option', $attribs, User::getGroupName( $group ) );
 131                 }
 132                 $out .= wfCloseElement( 'select' ) . ' ';;# . wfElement( 'br' );
 133
 134                 # Username field
 135                 $out .= wfElement( 'label', array( 'for' => 'offset' ), wfMsg( 'listusersfrom' ) ) . ' ';
 136                 $out .= wfElement( 'input', array( 'type' => 'text', 'id' => 'offset', 'name' => 'offset',
 137                                                         'value' => $this->requestedUser ) ) . ' ';
 138
 139                 if( $this->mLimit )
 140                         $out .= wfElement( 'input', array( 'type' => 'hidden', 'name' => 'limit', 'value' => $this->mLimit ) );
 141
 142                 # Submit button and form bottom
 143                 $out .= wfElement( 'input', array( 'type' => 'submit', 'value' => wfMsg( 'allpagessubmit' ) ) );
 144                 $out .= wfCloseElement( 'form' );
 145
 146                 return $out;
 147         }
 148 }
 149
 150 /**
 151  * constructor
 152  * $par string (optional) A group to list users from
 153  */
 154 function wfSpecialListusers( $par = null ) {
 155         global $wgRequest, $wgOut;
 156
 157         list( $limit, $offset ) = wfCheckLimits();
 158
 159         $groupTarget = isset($par) ? $par : $wgRequest->getVal( 'group' );
 160
 161         $up = new UsersPager($par);
 162         $wgOut->addHTML(
 163                 $up->getPageHeader().
 164                 $up->getNavigationBar().
 165                 '<ul>' .
 166                 $up->getBody() .
 167                 '</ul>' .
 168                 $up->getNavigationBar()
 169         );
 170
 171
 172 }
 173
 174 ?>