includes/SpecialListusers.php

   1 <?php
   2 # Copyright (C) 2004 Brion Vibber, lcrocker, Tim Starling,
   3 # Domas Mituzas, Ashar Voultoiz, Jens Frank, Zhengzhu.
   4 #
   5 # http://www.mediawiki.org/
   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 # 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  20 # http://www.gnu.org/copyleft/gpl.html
  21 /**
  22  *
  23  * @package MediaWiki
  24  * @subpackage SpecialPage
  25  */
  26
  27 /**
  28  *
  29  */
  30 require_once('QueryPage.php');
  31
  32 /**
  33  * This class is used to get a list of user. The ones with specials
  34  * rights (sysop, bureaucrat, developer) will have them displayed
  35  * next to their names.
  36  *
  37  * @package MediaWiki
  38  * @subpackage SpecialPage
  39  */
  40 class ListUsersPage extends QueryPage {
  41         var $requestedGroup = '';
  42         var $requestedUser = '';
  43         var $previousResult = false;
  44         var $concatGroups = '';
  45
  46         function getName() {
  47                 return 'Listusers';
  48         }
  49         function isSyndicated() { return false; }
  50
  51         /**
  52          * Show a drop down list to select a group as well as a user name
  53          * search box.
  54          * @todo localize
  55          */
  56         function getPageHeader( ) {
  57                 global $wgScript;
  58
  59                 // Various variables used for the form
  60                 $action = htmlspecialchars( $wgScript );
  61                 $title = Title::makeTitle( NS_SPECIAL, 'Listusers' );
  62                 $special = htmlspecialchars( $title->getPrefixedDBkey() );
  63
  64                 // form header
  65                 $out = '<form method="get" action="'.$action.'">' .
  66                                 '<input type="hidden" name="title" value="'.$special.'" />' .
  67                                 wfMsg( 'speciallistusersgrouplabel' ) . '<select name="group">';
  68
  69                 // get all group names and id
  70                 $dbr = & wfGetDB( DB_SLAVE );
  71                 $group = $dbr->tableName( 'group' );
  72                 $sql = "SELECT group_id, group_name FROM $group;";
  73                 $result = $dbr->query($sql);
  74
  75                 // we want a default empty group
  76                 $out.= '<option value=""></option>';
  77
  78                 // build the dropdown list menu using datas from the database
  79                 while($agroup = $dbr->fetchObject( $result )) {
  80                         $selected = ($agroup->group_id == $this->requestedGroup) ? ' selected ' : '' ;
  81                         $out.= '<option value="'.$agroup->group_id.'" '.$selected.'>'.$agroup->group_name.'</option>';
  82                 }
  83                 $out .= '</select> ';
  84
  85                 $out .= wfMsg( 'speciallistusersuserlabel' ) . '<input type="text" name="username" /> ';
  86
  87                 // OK button, end of form.
  88                 $out .= '<input type="submit" /></form>';
  89                 // congratulations the form is now build
  90                 return $out;
  91         }
  92
  93         function getSQL() {
  94                 $dbr =& wfGetDB( DB_SLAVE );
  95         /* system showing possible actions for users
  96                 $user = $dbr->tableName( 'user' );
  97                 $user_rights = $dbr->tableName( 'user_rights' );
  98                 $userspace = Namespace::getUser();
  99                 return "SELECT ur_rights as type, $userspace as namespace, user_name as title, " .
 100                         "user_name as value FROM $user LEFT JOIN $user_rights ON user_id = ur_user";
 101         */
 102         /** Show groups instead */
 103                 $user = $dbr->tableName( 'user' );
 104                 $group = $dbr->tableName( 'group' );
 105                 $user_groups = $dbr->tableName( 'user_groups' );
 106
 107                 $userspace = NS_USER;
 108                 $sql = "SELECT group_name as type, $userspace AS namespace, user_name AS title, user_name as value " .
 109                         "FROM $user ".
 110                         "LEFT JOIN $user_groups ON user_id =ug_user " .
 111                         "LEFT JOIN $group ON ug_group = group_id ";
 112
 113                 if($this->requestedGroup != '') {
 114                         $sql .=  "WHERE group_id= '" . IntVal( $this->requestedGroup ) . "' ";
 115                         if($this->requestedUser != '') {
 116                                 $sql .= "AND user_name = " . $dbr->addQuotes( $this->requestedUser ) . ' ';
 117                         }
 118                 } else {
 119                         if($this->requestedUser !='') {
 120                                 $sql .= "WHERE user_name = " . $dbr->addQuotes( $this->requestedUser ) . ' ';
 121                         }
 122                 }
 123
 124                 return $sql;
 125         }
 126
 127         /**
 128          * When calling formatResult we output the previous result instead of the
 129          * current one. We need an additional step to flush out the last result.
 130          */
 131         function tryLastResult( ) {
 132                 return true;
 133         }
 134
 135         function sortDescending() {
 136                 return false;
 137         }
 138
 139         function appendGroups($group) {
 140                 $this->concatGroups     .= $group.' ';
 141         }
 142
 143         function clearGroups() {
 144                 $this->concatGroups = '';
 145         }
 146 /*
 147         var $previousResult = false;
 148         var $concatGroups = '';
 149 */
 150         function formatResult( $skin, $result ) {
 151                 global $wgContLang;
 152                 $name = false;
 153
 154                 if($this->previousResult->title != $result->title && $this->previousResult != false) {
 155                         // Different username, give back name(group1,group2)
 156                         $name = $skin->makeLink( $wgContLang->getNsText($this->previousResult->namespace) . ':' . $this->previousResult->title, $this->previousResult->title );
 157                         $name .= $this->concatGroups ? '('.substr($this->concatGroups,0,-1).')' : '';
 158                         $this->clearGroups();
 159                 }
 160
 161                 if($result->type != '') {
 162                 $this->appendGroups( $skin->makeLink( wfMsgForContent( 'administrators' ), $result->type ) );
 163                 }
 164
 165                 $this->previousResult = $result;
 166                 return $name;
 167         }
 168 }
 169
 170 /**
 171  * constructor
 172  */
 173 function wfSpecialListusers() {
 174         global $wgRequest;
 175
 176         list( $limit, $offset ) = wfCheckLimits();
 177
 178         $slu = new ListUsersPage();
 179
 180         /**
 181          * Get some parameters
 182          */
 183         $slu->requestedGroup = $wgRequest->getVal('group');
 184         $slu->requestedUser = $wgRequest->getVal('username');
 185
 186         return $slu->doQuery( $offset, $limit );
 187 }
 188
 189 ?>