includes/specials/SpecialWantedpages.php

   1 <?php
   2 /**
   3  * Implements Special:Wantedpages
   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  */
  23
  24 /**
  25  * A special page that lists most linked pages that does not exist
  26  *
  27  * @ingroup SpecialPage
  28  */
  29 class WantedPagesPage extends WantedQueryPage {
  30
  31         function __construct( $name = 'Wantedpages' ) {
  32                 parent::__construct( $name );
  33         }
  34
  35         function isIncludable() {
  36                 return true;
  37         }
  38
  39         function execute( $par ) {
  40                 $inc = $this->including();
  41
  42                 if ( $inc ) {
  43                         $parts = explode( '/', $par, 2 );
  44                         $this->limit = (int)$parts[0];
  45                         // @todo FIXME: nlinks is ignored
  46                         //$nlinks = isset( $parts[1] ) && $parts[1] === 'nlinks';
  47                         $this->offset = 0;
  48                 } else {
  49                         //$nlinks = true;
  50                 }
  51                 $this->setListoutput( $inc );
  52                 $this->shownavigation = !$inc;
  53                 parent::execute( $par );
  54         }
  55
  56         function getQueryInfo() {
  57                 $count = $this->getConfig()->get( 'WantedPagesThreshold' ) - 1;
  58                 $query = array(
  59                         'tables' => array(
  60                                 'pagelinks',
  61                                 'pg1' => 'page',
  62                                 'pg2' => 'page'
  63                         ),
  64                         'fields' => array(
  65                                 'namespace' => 'pl_namespace',
  66                                 'title' => 'pl_title',
  67                                 'value' => 'COUNT(*)'
  68                         ),
  69                         'conds' => array(
  70                                 'pg1.page_namespace IS NULL',
  71                                 "pl_namespace NOT IN ( '" . NS_USER . "', '" . NS_USER_TALK . "' )",
  72                                 "pg2.page_namespace != '" . NS_MEDIAWIKI . "'"
  73                         ),
  74                         'options' => array(
  75                                 'HAVING' => array(
  76                                         "COUNT(*) > $count",
  77                                         "COUNT(*) > SUM(pg2.page_is_redirect)"
  78                                 ),
  79                                 'GROUP BY' => array( 'pl_namespace', 'pl_title' )
  80                         ),
  81                         'join_conds' => array(
  82                                 'pg1' => array(
  83                                         'LEFT JOIN', array(
  84                                                 'pg1.page_namespace = pl_namespace',
  85                                                 'pg1.page_title = pl_title'
  86                                         )
  87                                 ),
  88                                 'pg2' => array( 'LEFT JOIN', 'pg2.page_id = pl_from' )
  89                         )
  90                 );
  91                 // Replacement for the WantedPages::getSQL hook
  92                 Hooks::run( 'WantedPages::getQueryInfo', array( &$this, &$query ) );
  93
  94                 return $query;
  95         }
  96
  97         protected function getGroupName() {
  98                 return 'maintenance';
  99         }
 100 }