105 lines
3.2 KiB
PHP
105 lines
3.2 KiB
PHP
<?php
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/**
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* Implements Special:Mostlinked
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*
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* Copyright © 2005 Ævar Arnfjörð Bjarmason, 2006 Rob Church
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup SpecialPage
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* @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
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* @author Rob Church <robchur@gmail.com>
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*/
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/**
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* A special page to show pages ordered by the number of pages linking to them.
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*
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* @ingroup SpecialPage
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*/
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class MostlinkedPage extends QueryPage {
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function __construct( $name = 'Mostlinked' ) {
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parent::__construct( $name );
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}
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function isExpensive() { return true; }
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function isSyndicated() { return false; }
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function getQueryInfo() {
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return array (
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'tables' => array ( 'pagelinks', 'page' ),
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'fields' => array ( 'pl_namespace AS namespace',
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'pl_title AS title',
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'COUNT(*) AS value',
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'page_namespace' ),
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'options' => array ( 'HAVING' => 'COUNT(*) > 1',
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'GROUP BY' => array( 'pl_namespace', 'pl_title',
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'page_namespace' ) ),
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'join_conds' => array ( 'page' => array ( 'LEFT JOIN',
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array ( 'page_namespace = pl_namespace',
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'page_title = pl_title' ) ) )
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);
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}
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/**
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* Pre-fill the link cache
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*
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* @param $db DatabaseBase
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* @param $res
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*/
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function preprocessResults( $db, $res ) {
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if ( $res->numRows() > 0 ) {
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$linkBatch = new LinkBatch();
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foreach ( $res as $row ) {
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$linkBatch->add( $row->namespace, $row->title );
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}
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$res->seek( 0 );
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$linkBatch->execute();
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}
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}
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/**
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* Make a link to "what links here" for the specified title
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*
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* @param $title Title being queried
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* @param $caption String: text to display on the link
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* @return String
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*/
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function makeWlhLink( $title, $caption ) {
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$wlh = SpecialPage::getTitleFor( 'Whatlinkshere', $title->getPrefixedDBkey() );
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return Linker::linkKnown( $wlh, $caption );
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}
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/**
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* Make links to the page corresponding to the item, and the "what links here" page for it
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*
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* @param $skin Skin to be used
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* @param $result Result row
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* @return string
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*/
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function formatResult( $skin, $result ) {
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$title = Title::makeTitleSafe( $result->namespace, $result->title );
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if ( !$title ) {
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return Html::element( 'span', array( 'class' => 'mw-invalidtitle' ),
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Linker::getInvalidTitleDescription( $this->getContext(), $result->namespace, $result->title ) );
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}
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$link = Linker::link( $title );
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$wlh = $this->makeWlhLink( $title,
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$this->msg( 'nlinks' )->numParams( $result->value )->escaped() );
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return $this->getLanguage()->specialList( $link, $wlh );
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}
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}
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