includes/specials/SpecialWithoutinterwiki.php

   1 <?php
   2 /**
   3  * Implements Special:Withoutinterwiki
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup SpecialPage
  22  * @author Rob Church <robchur@gmail.com>
  23  */
  24
  25 use MediaWiki\MediaWikiServices;
  26
  27 /**
  28  * Special page lists pages without language links
  29  *
  30  * @ingroup SpecialPage
  31  */
  32 class WithoutInterwikiPage extends PageQueryPage {
  33         private $prefix = '';
  34
  35         function __construct( $name = 'Withoutinterwiki' ) {
  36                 parent::__construct( $name );
  37         }
  38
  39         function execute( $par ) {
  40                 $this->prefix = Title::capitalize(
  41                         $this->getRequest()->getVal( 'prefix', $par ), NS_MAIN );
  42                 parent::execute( $par );
  43         }
  44
  45         function getPageHeader() {
  46                 # Do not show useless input form if special page is cached
  47                 if ( $this->isCached() ) {
  48                         return '';
  49                 }
  50
  51                 $formDescriptor = [
  52                         'prefix' => [
  53                                 'label-message' => 'allpagesprefix',
  54                                 'name' => 'prefix',
  55                                 'id' => 'wiprefix',
  56                                 'type' => 'text',
  57                                 'size' => 20,
  58                                 'default' => $this->prefix
  59                         ]
  60                 ];
  61
  62                 $htmlForm = HTMLForm::factory( 'ooui', $formDescriptor, $this->getContext() );
  63                 $htmlForm->setWrapperLegend( '' )
  64                         ->setSubmitTextMsg( 'withoutinterwiki-submit' )
  65                         ->setMethod( 'get' )
  66                         ->prepareForm()
  67                         ->displayForm( false );
  68         }
  69
  70         function sortDescending() {
  71                 return false;
  72         }
  73
  74         function getOrderFields() {
  75                 return [ 'page_namespace', 'page_title' ];
  76         }
  77
  78         function isExpensive() {
  79                 return true;
  80         }
  81
  82         function isSyndicated() {
  83                 return false;
  84         }
  85
  86         function getQueryInfo() {
  87                 $query = [
  88                         'tables' => [ 'page', 'langlinks' ],
  89                         'fields' => [
  90                                 'namespace' => 'page_namespace',
  91                                 'title' => 'page_title',
  92                                 'value' => 'page_title'
  93                         ],
  94                         'conds' => [
  95                                 'll_title IS NULL',
  96                                 'page_namespace' => MediaWikiServices::getInstance()->getNamespaceInfo()->
  97                                         getContentNamespaces(),
  98                                 'page_is_redirect' => 0
  99                         ],
 100                         'join_conds' => [ 'langlinks' => [ 'LEFT JOIN', 'll_from = page_id' ] ]
 101                 ];
 102                 if ( $this->prefix ) {
 103                         $dbr = wfGetDB( DB_REPLICA );
 104                         $query['conds'][] = 'page_title ' . $dbr->buildLike( $this->prefix, $dbr->anyString() );
 105                 }
 106
 107                 return $query;
 108         }
 109
 110         protected function getGroupName() {
 111                 return 'maintenance';
 112         }
 113 }