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<?php
# Copyright (C) 2004 Brion Vibber, lcrocker, Tim Starling,
# Domas Mituzas, Ashar Voultoiz, Jens Frank, Zhengzhu.
#
# © 2006 Rob Church <robchur@gmail.com>
#
# http://www.mediawiki.org/
#
# 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
/**
*
* @addtogroup SpecialPage
*/
/**
* This class is used to get a list of user. The ones with specials
* rights (sysop, bureaucrat, developer) will have them displayed
* next to their names.
*
* @addtogroup SpecialPage
*/
class UsersPager extends AlphabeticPager {
function __construct($group=null) {
global $wgRequest;
$this->requestedGroup = $group != "" ? $group : $wgRequest->getVal( 'group' );
$un = $wgRequest->getText( 'username' );
$this->requestedUser = '';
if ( $un != '' ) {
$username = Title::makeTitleSafe( NS_USER, $un );
if( ! is_null( $username ) ) {
$this->requestedUser = $username->getText();
}
}
parent::__construct();
}
function getIndexField() {
return 'user_name';
}
function getQueryInfo() {
$conds=array();
// don't show hidden names
$conds[]='ipb_deleted IS NULL OR ipb_deleted = 0';
if ($this->requestedGroup != "") {
$conds['ug_group'] = $this->requestedGroup;
}
if ($this->requestedUser != "") {
$conds[] = 'user_name >= ' . wfGetDB()->addQuotes( $this->requestedUser );
}
list ($user,$user_groups,$ipblocks) = wfGetDB()->tableNamesN('user','user_groups','ipblocks');
return array(
'tables' => " $user LEFT JOIN $user_groups ON user_id=ug_user LEFT JOIN $ipblocks ON user_id=ipb_user AND ipb_auto=0 ",
'fields' => array('user_name',
'MAX(user_id) AS user_id',
'COUNT(ug_group) AS numgroups',
'MAX(ug_group) AS singlegroup'),
'options' => array('GROUP BY' => 'user_name'),
'conds' => $conds
);
}
function formatRow( $row ) {
$userPage = Title::makeTitle( NS_USER, $row->user_name );
$name = $this->getSkin()->makeLinkObj( $userPage, htmlspecialchars( $userPage->getText() ) );
if( $row->numgroups > 1 || ( $this->requestedGroup && $row->numgroups == 1 ) ) {
$list = array();
foreach( self::getGroups( $row->user_id ) as $group )
$list[] = self::buildGroupLink( $group );
$groups = implode( ', ', $list );
} elseif( $row->numgroups == 1 ) {
$groups = self::buildGroupLink( $row->singlegroup );
} else {
$groups = '';
}
return '<li>' . wfSpecialList( $name, $groups ) . '</li>';
}
function getBody() {
if (!$this->mQueryDone) {
$this->doQuery();
}
$batch = new LinkBatch;
$db = $this->mDb;
$this->mResult->rewind();
while ( $row = $this->mResult->fetchObject() ) {
$batch->addObj( Title::makeTitleSafe( NS_USER, $row->user_name ) );
}
$batch->execute();
$this->mResult->rewind();
return parent::getBody();
}
function getPageHeader( ) {
global $wgRequest;
$self = $this->getTitle();
# Form tag
$out = Xml::openElement( 'form', array( 'method' => 'get', 'action' => $self->getLocalUrl() ) ) .
'<fieldset>' .
Xml::element( 'legend', array(), wfMsg( 'listusers' ) );
# Username field
$out .= Xml::label( wfMsg( 'listusersfrom' ), 'offset' ) . ' ' .
Xml::input( 'username', 20, $this->requestedUser, array( 'id' => 'offset' ) ) . ' ';
if( $this->mLimit )
$out .= Xml::hidden( 'limit', $this->mLimit );
# Group drop-down list
$out .= Xml::label( wfMsg( 'group' ), 'group' ) . ' ' .
Xml::openElement('select', array( 'name' => 'group', 'id' => 'group' ) ) .
Xml::option( wfMsg( 'group-all' ), '' ); # Item for "all groups"
$groups = User::getAllGroups();
foreach( $groups as $group ) {
$attribs = array( 'value' => $group );
$attribs['selected'] = ( $group == $this->requestedGroup ) ? 'selected' : '';
$out .= Xml::option( User::getGroupName( $group ), $attribs['value'], $attribs['selected'] );
}
$out .= Xml::closeElement( 'select' ) . ' ';
# Submit button and form bottom
$out .= Xml::submitButton( wfMsg( 'allpagessubmit' ) ) .
'</fieldset>' .
Xml::closeElement( 'form' );
return $out;
}
/**
* Preserve group and username offset parameters when paging
* @return array
*/
function getDefaultQuery() {
$query = parent::getDefaultQuery();
if( $this->requestedGroup != '' )
$query['group'] = $this->requestedGroup;
if( $this->requestedUser != '' )
$query['username'] = $this->requestedUser;
return $query;
}
/**
* Get a list of groups the specified user belongs to
*
* @param int $uid
* @return array
*/
private static function getGroups( $uid ) {
$dbr = wfGetDB( DB_SLAVE );
$groups = array();
$res = $dbr->select( 'user_groups', 'ug_group', array( 'ug_user' => $uid ), __METHOD__ );
if( $res && $dbr->numRows( $res ) > 0 ) {
while( $row = $dbr->fetchObject( $res ) )
$groups[] = $row->ug_group;
$dbr->freeResult( $res );
}
return $groups;
}
/**
* Format a link to a group description page
*
* @param string $group
* @return string
*/
private static function buildGroupLink( $group ) {
static $cache = array();
if( !isset( $cache[$group] ) )
$cache[$group] = User::makeGroupLinkHtml( $group, User::getGroupMember( $group ) );
return $cache[$group];
}
}
/**
* constructor
* $par string (optional) A group to list users from
*/
function wfSpecialListusers( $par = null ) {
global $wgRequest, $wgOut;
list( $limit, $offset ) = wfCheckLimits();
$groupTarget = isset($par) ? $par : $wgRequest->getVal( 'group' );
$up = new UsersPager($par);
# getBody() first to check, if empty
$usersbody = $up->getBody();
$s = $up->getPageHeader();
if( $usersbody ) {
$s .= $up->getNavigationBar();
$s .= '<ul>' . $usersbody . '</ul>';
$s .= $up->getNavigationBar() ;
} else {
$s .= '<p>' . wfMsgHTML('listusers-noresult') . '</p>';
};
$wgOut->addHTML( $s );
}
?>
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