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 /**
  26  * Special page lists pages without language links
  27  *
  28  * @ingroup SpecialPage
  29  */
  30 class WithoutInterwikiPage extends PageQueryPage {
  31         private $prefix = '';
  32
  33         function __construct( $name = 'Withoutinterwiki' ) {
  34                 parent::__construct( $name );
  35         }
  36
  37         function execute( $par ) {
  38                 $this->prefix = Title::capitalize(
  39                         $this->getRequest()->getVal( 'prefix', $par ), NS_MAIN );
  40                 parent::execute( $par );
  41         }
  42
  43         function getPageHeader() {
  44                 # Do not show useless input form if special page is cached
  45                 if ( $this->isCached() ) {
  46                         return '';
  47                 }
  48
  49                 $formDescriptor = [
  50                         'prefix' => [
  51                                 'label-message' => 'allpagesprefix',
  52                                 'name' => 'prefix',
  53                                 'id' => 'wiprefix',
  54                                 'type' => 'text',
  55                                 'size' => 20,
  56                                 'default' => $this->prefix
  57                         ]
  58                 ];
  59
  60                 $htmlForm = HTMLForm::factory( 'ooui', $formDescriptor, $this->getContext() );
  61                 $htmlForm->setWrapperLegend( '' )
  62                         ->setSubmitTextMsg( 'withoutinterwiki-submit' )
  63                         ->setMethod( 'get' )
  64                         ->prepareForm()
  65                         ->displayForm( false );
  66         }
  67
  68         function sortDescending() {
  69                 return false;
  70         }
  71
  72         function getOrderFields() {
  73                 return [ 'page_namespace', 'page_title' ];
  74         }
  75
  76         function isExpensive() {
  77                 return true;
  78         }
  79
  80         function isSyndicated() {
  81                 return false;
  82         }
  83
  84         function getQueryInfo() {
  85                 $query = [
  86                         'tables' => [ 'page', 'langlinks' ],
  87                         'fields' => [
  88                                 'namespace' => 'page_namespace',
  89                                 'title' => 'page_title',
  90                                 'value' => 'page_title'
  91                         ],
  92                         'conds' => [
  93                                 'll_title IS NULL',
  94                                 'page_namespace' => MWNamespace::getContentNamespaces(),
  95                                 'page_is_redirect' => 0
  96                         ],
  97                         'join_conds' => [ 'langlinks' => [ 'LEFT JOIN', 'll_from = page_id' ] ]
  98                 ];
  99                 if ( $this->prefix ) {
 100                         $dbr = wfGetDB( DB_REPLICA );
 101                         $query['conds'][] = 'page_title ' . $dbr->buildLike( $this->prefix, $dbr->anyString() );
 102                 }
 103
 104                 return $query;
 105         }
 106
 107         protected function getGroupName() {
 108                 return 'maintenance';
 109         }
 110 }