includes/specials/pagers/UsersPager.php

   1 <?php
   2 /**
   3  * Copyright © 2004 Brion Vibber, lcrocker, Tim Starling,
   4  * Domas Mituzas, Antoine Musso, Jens Frank, Zhengzhu,
   5  * 2006 Rob Church <robchur@gmail.com>
   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 Pager
  24  */
  25
  26 /**
  27  * This class is used to get a list of user. The ones with specials
  28  * rights (sysop, bureaucrat, developer) will have them displayed
  29  * next to their names.
  30  *
  31  * @ingroup Pager
  32  */
  33 class UsersPager extends AlphabeticPager {
  34
  35         /**
  36          * @var array A array with user ids as key and a array of groups as value
  37          */
  38         protected $userGroupCache;
  39
  40         /**
  41          * @param IContextSource $context
  42          * @param array $par (Default null)
  43          * @param bool $including Whether this page is being transcluded in
  44          * another page
  45          */
  46         function __construct( IContextSource $context = null, $par = null, $including = null ) {
  47                 if ( $context ) {
  48                         $this->setContext( $context );
  49                 }
  50
  51                 $request = $this->getRequest();
  52                 $par = ( $par !== null ) ? $par : '';
  53                 $parms = explode( '/', $par );
  54                 $symsForAll = [ '*', 'user' ];
  55
  56                 if ( $parms[0] != '' &&
  57                         ( in_array( $par, User::getAllGroups() ) || in_array( $par, $symsForAll ) )
  58                 ) {
  59                         $this->requestedGroup = $par;
  60                         $un = $request->getText( 'username' );
  61                 } elseif ( count( $parms ) == 2 ) {
  62                         $this->requestedGroup = $parms[0];
  63                         $un = $parms[1];
  64                 } else {
  65                         $this->requestedGroup = $request->getVal( 'group' );
  66                         $un = ( $par != '' ) ? $par : $request->getText( 'username' );
  67                 }
  68
  69                 if ( in_array( $this->requestedGroup, $symsForAll ) ) {
  70                         $this->requestedGroup = '';
  71                 }
  72                 $this->editsOnly = $request->getBool( 'editsOnly' );
  73                 $this->creationSort = $request->getBool( 'creationSort' );
  74                 $this->including = $including;
  75                 $this->mDefaultDirection = $request->getBool( 'desc' )
  76                         ? IndexPager::DIR_DESCENDING
  77                         : IndexPager::DIR_ASCENDING;
  78
  79                 $this->requestedUser = '';
  80
  81                 if ( $un != '' ) {
  82                         $username = Title::makeTitleSafe( NS_USER, $un );
  83
  84                         if ( !is_null( $username ) ) {
  85                                 $this->requestedUser = $username->getText();
  86                         }
  87                 }
  88
  89                 parent::__construct();
  90         }
  91
  92         /**
  93          * @return string
  94          */
  95         function getIndexField() {
  96                 return $this->creationSort ? 'user_id' : 'user_name';
  97         }
  98
  99         /**
 100          * @return array
 101          */
 102         function getQueryInfo() {
 103                 $dbr = wfGetDB( DB_SLAVE );
 104                 $conds = [];
 105
 106                 // Don't show hidden names
 107                 if ( !$this->getUser()->isAllowed( 'hideuser' ) ) {
 108                         $conds[] = 'ipb_deleted IS NULL OR ipb_deleted = 0';
 109                 }
 110
 111                 $options = [];
 112
 113                 if ( $this->requestedGroup != '' ) {
 114                         $conds['ug_group'] = $this->requestedGroup;
 115                 }
 116
 117                 if ( $this->requestedUser != '' ) {
 118                         # Sorted either by account creation or name
 119                         if ( $this->creationSort ) {
 120                                 $conds[] = 'user_id >= ' . intval( User::idFromName( $this->requestedUser ) );
 121                         } else {
 122                                 $conds[] = 'user_name >= ' . $dbr->addQuotes( $this->requestedUser );
 123                         }
 124                 }
 125
 126                 if ( $this->editsOnly ) {
 127                         $conds[] = 'user_editcount > 0';
 128                 }
 129
 130                 $options['GROUP BY'] = $this->creationSort ? 'user_id' : 'user_name';
 131
 132                 $query = [
 133                         'tables' => [ 'user', 'user_groups', 'ipblocks' ],
 134                         'fields' => [
 135                                 'user_name' => $this->creationSort ? 'MAX(user_name)' : 'user_name',
 136                                 'user_id' => $this->creationSort ? 'user_id' : 'MAX(user_id)',
 137                                 'edits' => 'MAX(user_editcount)',
 138                                 'creation' => 'MIN(user_registration)',
 139                                 'ipb_deleted' => 'MAX(ipb_deleted)' // block/hide status
 140                         ],
 141                         'options' => $options,
 142                         'join_conds' => [
 143                                 'user_groups' => [ 'LEFT JOIN', 'user_id=ug_user' ],
 144                                 'ipblocks' => [
 145                                         'LEFT JOIN', [
 146                                                 'user_id=ipb_user',
 147                                                 'ipb_auto' => 0
 148                                         ]
 149                                 ],
 150                         ],
 151                         'conds' => $conds
 152                 ];
 153
 154                 Hooks::run( 'SpecialListusersQueryInfo', [ $this, &$query ] );
 155
 156                 return $query;
 157         }
 158
 159         /**
 160          * @param stdClass $row
 161          * @return string
 162          */
 163         function formatRow( $row ) {
 164                 if ( $row->user_id == 0 ) { # Bug 16487
 165                         return '';
 166                 }
 167
 168                 $userName = $row->user_name;
 169
 170                 $ulinks = Linker::userLink( $row->user_id, $userName );
 171                 $ulinks .= Linker::userToolLinksRedContribs(
 172                         $row->user_id,
 173                         $userName,
 174                         (int)$row->edits
 175                 );
 176
 177                 $lang = $this->getLanguage();
 178
 179                 $groups = '';
 180                 $groups_list = self::getGroups( intval( $row->user_id ), $this->userGroupCache );
 181
 182                 if ( !$this->including && count( $groups_list ) > 0 ) {
 183                         $list = [];
 184                         foreach ( $groups_list as $group ) {
 185                                 $list[] = self::buildGroupLink( $group, $userName );
 186                         }
 187                         $groups = $lang->commaList( $list );
 188                 }
 189
 190                 $item = $lang->specialList( $ulinks, $groups );
 191
 192                 if ( $row->ipb_deleted ) {
 193                         $item = "<span class=\"deleted\">$item</span>";
 194                 }
 195
 196                 $edits = '';
 197                 if ( !$this->including && $this->getConfig()->get( 'Edititis' ) ) {
 198                         $count = $this->msg( 'usereditcount' )->numParams( $row->edits )->escaped();
 199                         $edits = $this->msg( 'word-separator' )->escaped() . $this->msg( 'brackets', $count )->escaped();
 200                 }
 201
 202                 $created = '';
 203                 # Some rows may be null
 204                 if ( !$this->including && $row->creation ) {
 205                         $user = $this->getUser();
 206                         $d = $lang->userDate( $row->creation, $user );
 207                         $t = $lang->userTime( $row->creation, $user );
 208                         $created = $this->msg( 'usercreated', $d, $t, $row->user_name )->escaped();
 209                         $created = ' ' . $this->msg( 'parentheses' )->rawParams( $created )->escaped();
 210                 }
 211                 $blocked = !is_null( $row->ipb_deleted ) ?
 212                         ' ' . $this->msg( 'listusers-blocked', $userName )->escaped() :
 213                         '';
 214
 215                 Hooks::run( 'SpecialListusersFormatRow', [ &$item, $row ] );
 216
 217                 return Html::rawElement( 'li', [], "{$item}{$edits}{$created}{$blocked}" );
 218         }
 219
 220         function doBatchLookups() {
 221                 $batch = new LinkBatch();
 222                 $userIds = [];
 223                 # Give some pointers to make user links
 224                 foreach ( $this->mResult as $row ) {
 225                         $batch->add( NS_USER, $row->user_name );
 226                         $batch->add( NS_USER_TALK, $row->user_name );
 227                         $userIds[] = $row->user_id;
 228                 }
 229
 230                 // Lookup groups for all the users
 231                 $dbr = wfGetDB( DB_SLAVE );
 232                 $groupRes = $dbr->select(
 233                         'user_groups',
 234                         [ 'ug_user', 'ug_group' ],
 235                         [ 'ug_user' => $userIds ],
 236                         __METHOD__
 237                 );
 238                 $cache = [];
 239                 $groups = [];
 240                 foreach ( $groupRes as $row ) {
 241                         $cache[intval( $row->ug_user )][] = $row->ug_group;
 242                         $groups[$row->ug_group] = true;
 243                 }
 244                 $this->userGroupCache = $cache;
 245
 246                 // Add page of groups to link batch
 247                 foreach ( $groups as $group => $unused ) {
 248                         $groupPage = User::getGroupPage( $group );
 249                         if ( $groupPage ) {
 250                                 $batch->addObj( $groupPage );
 251                         }
 252                 }
 253
 254                 $batch->execute();
 255                 $this->mResult->rewind();
 256         }
 257
 258         /**
 259          * @return string
 260          */
 261         function getPageHeader() {
 262                 list( $self ) = explode( '/', $this->getTitle()->getPrefixedDBkey() );
 263
 264                 $this->getOutput()->addModules( 'mediawiki.userSuggest' );
 265
 266                 # Form tag
 267                 $out = Xml::openElement(
 268                                 'form',
 269                                 [ 'method' => 'get', 'action' => wfScript(), 'id' => 'mw-listusers-form' ]
 270                         ) .
 271                         Xml::fieldset( $this->msg( 'listusers' )->text() ) .
 272                         Html::hidden( 'title', $self );
 273
 274                 # Username field (with autocompletion support)
 275                 $out .= Xml::label( $this->msg( 'listusersfrom' )->text(), 'offset' ) . ' ' .
 276                         Html::input(
 277                                 'username',
 278                                 $this->requestedUser,
 279                                 'text',
 280                                 [
 281                                         'class' => 'mw-autocomplete-user',
 282                                         'id' => 'offset',
 283                                         'size' => 20,
 284                                         'autofocus' => $this->requestedUser === ''
 285                                 ]
 286                         ) . ' ';
 287
 288                 # Group drop-down list
 289                 $sel = new XmlSelect( 'group', 'group', $this->requestedGroup );
 290                 $sel->addOption( $this->msg( 'group-all' )->text(), '' );
 291                 foreach ( $this->getAllGroups() as $group => $groupText ) {
 292                         $sel->addOption( $groupText, $group );
 293                 }
 294
 295                 $out .= Xml::label( $this->msg( 'group' )->text(), 'group' ) . ' ';
 296                 $out .= $sel->getHTML() . '<br />';
 297                 $out .= Xml::checkLabel(
 298                         $this->msg( 'listusers-editsonly' )->text(),
 299                         'editsOnly',
 300                         'editsOnly',
 301                         $this->editsOnly
 302                 );
 303                 $out .= '&#160;';
 304                 $out .= Xml::checkLabel(
 305                         $this->msg( 'listusers-creationsort' )->text(),
 306                         'creationSort',
 307                         'creationSort',
 308                         $this->creationSort
 309                 );
 310                 $out .= '&#160;';
 311                 $out .= Xml::checkLabel(
 312                         $this->msg( 'listusers-desc' )->text(),
 313                         'desc',
 314                         'desc',
 315                         $this->mDefaultDirection
 316                 );
 317                 $out .= '<br />';
 318
 319                 Hooks::run( 'SpecialListusersHeaderForm', [ $this, &$out ] );
 320
 321                 # Submit button and form bottom
 322                 $out .= Html::hidden( 'limit', $this->mLimit );
 323                 $out .= Xml::submitButton( $this->msg( 'listusers-submit' )->text() );
 324                 Hooks::run( 'SpecialListusersHeader', [ $this, &$out ] );
 325                 $out .= Xml::closeElement( 'fieldset' ) .
 326                         Xml::closeElement( 'form' );
 327
 328                 return $out;
 329         }
 330
 331         /**
 332          * Get a list of all explicit groups
 333          * @return array
 334          */
 335         function getAllGroups() {
 336                 $result = [];
 337                 foreach ( User::getAllGroups() as $group ) {
 338                         $result[$group] = User::getGroupName( $group );
 339                 }
 340                 asort( $result );
 341
 342                 return $result;
 343         }
 344
 345         /**
 346          * Preserve group and username offset parameters when paging
 347          * @return array
 348          */
 349         function getDefaultQuery() {
 350                 $query = parent::getDefaultQuery();
 351                 if ( $this->requestedGroup != '' ) {
 352                         $query['group'] = $this->requestedGroup;
 353                 }
 354                 if ( $this->requestedUser != '' ) {
 355                         $query['username'] = $this->requestedUser;
 356                 }
 357                 Hooks::run( 'SpecialListusersDefaultQuery', [ $this, &$query ] );
 358
 359                 return $query;
 360         }
 361
 362         /**
 363          * Get a list of groups the specified user belongs to
 364          *
 365          * @param int $uid User id
 366          * @param array|null $cache
 367          * @return array
 368          */
 369         protected static function getGroups( $uid, $cache = null ) {
 370                 if ( $cache === null ) {
 371                         $user = User::newFromId( $uid );
 372                         $effectiveGroups = $user->getEffectiveGroups();
 373                 } else {
 374                         $effectiveGroups = isset( $cache[$uid] ) ? $cache[$uid] : [];
 375                 }
 376                 $groups = array_diff( $effectiveGroups, User::getImplicitGroups() );
 377
 378                 return $groups;
 379         }
 380
 381         /**
 382          * Format a link to a group description page
 383          *
 384          * @param string $group Group name
 385          * @param string $username Username
 386          * @return string
 387          */
 388         protected static function buildGroupLink( $group, $username ) {
 389                 return User::makeGroupLinkHTML(
 390                         $group,
 391                         User::getGroupMember( $group, $username )
 392                 );
 393         }
 394
 395 }