147 lines
3.7 KiB
PHP
147 lines
3.7 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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use MediaWiki\Cache\LinkBatchFactory;
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use Wikimedia\Rdbms\IDatabase;
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use Wikimedia\Rdbms\ILoadBalancer;
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use Wikimedia\Rdbms\IResultWrapper;
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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 SpecialMostLinked extends QueryPage {
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/**
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* @param ILoadBalancer $loadBalancer
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* @param LinkBatchFactory $linkBatchFactory
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*/
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public function __construct(
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ILoadBalancer $loadBalancer,
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LinkBatchFactory $linkBatchFactory
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) {
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parent::__construct( 'Mostlinked' );
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$this->setDBLoadBalancer( $loadBalancer );
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$this->setLinkBatchFactory( $linkBatchFactory );
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}
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public function isExpensive() {
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return true;
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}
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public function isSyndicated() {
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return false;
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}
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public function getQueryInfo() {
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return [
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'tables' => [ 'pagelinks', 'page' ],
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'fields' => [
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'namespace' => 'pl_namespace',
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'title' => 'pl_title',
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'value' => 'COUNT(*)',
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'page_namespace'
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],
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'options' => [
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'HAVING' => 'COUNT(*) > 1',
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'GROUP BY' => [
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'pl_namespace', 'pl_title',
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'page_namespace'
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]
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],
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'join_conds' => [
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'page' => [
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'LEFT JOIN',
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[
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'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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];
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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 IDatabase $db
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* @param IResultWrapper $res
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*/
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public function preprocessResults( $db, $res ) {
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$this->executeLBFromResultWrapper( $res );
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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 Title being queried
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* @param string $caption Text to display on the link
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* @return string
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*/
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private function makeWlhLink( $title, $caption ) {
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$wlh = SpecialPage::getTitleFor( 'Whatlinkshere', $title->getPrefixedDBkey() );
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$linkRenderer = $this->getLinkRenderer();
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return $linkRenderer->makeKnownLink( $wlh, $caption );
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}
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/**
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* Make links to the page corresponding to the item,
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* and the "what links here" page for it
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*
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* @param Skin $skin Skin to be used
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* @param stdClass $result Result row
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* @return string
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*/
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public 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(
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'span',
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[ 'class' => 'mw-invalidtitle' ],
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Linker::getInvalidTitleDescription(
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$this->getContext(),
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$result->namespace,
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$result->title )
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);
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}
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$linkRenderer = $this->getLinkRenderer();
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$link = $linkRenderer->makeLink( $title );
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$wlh = $this->makeWlhLink(
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$title,
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$this->msg( 'nlinks' )->numParams( $result->value )->text()
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);
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return $this->getLanguage()->specialList( $link, $wlh );
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}
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protected function getGroupName() {
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return 'highuse';
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}
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}
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