8e40193659
* Add relevant `@ingroup` to special pages that belong to a specific component and for which a doc group is already defined (defgroup), e.g. "Upload" for SpecialUpload, "JobQueue" for SpecialRunJobs. * Remove duplicate descriptions from file blocks in favour of class doc blocks. This reduces needless duplication and was often incorrect or outdated, and helps make file headers more consistently (visually) ignorable. Add missing `ingroup` to class blocks (and remove any from file blocks) as otherwise the file is indexed twice (e.g. in Doxygen) which makes navigation on doc.wikimedia.org rather messy. Ref https://gerrit.wikimedia.org/r/q/message:ingroup+is:merged Bug: T364652 Change-Id: I795c43b6d72782d457c963e352d7e1b022c2b641
131 lines
3.5 KiB
PHP
131 lines
3.5 KiB
PHP
<?php
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/**
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* Copyright © 2013 Brian Wolff
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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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*/
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namespace MediaWiki\Specials;
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use MediaWiki\Cache\LinkBatchFactory;
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use MediaWiki\SpecialPage\QueryPage;
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use MediaWiki\SpecialPage\SpecialPage;
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use MediaWiki\Title\Title;
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use Skin;
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use stdClass;
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use Wikimedia\Rdbms\IConnectionProvider;
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use Wikimedia\Rdbms\IDatabase;
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use Wikimedia\Rdbms\IResultWrapper;
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/**
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* List all files where the current version is a duplicate of the current
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* version of another file.
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*
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* @ingroup SpecialPage
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* @author Brian Wolff
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*/
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class SpecialListDuplicatedFiles extends QueryPage {
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/**
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* @param IConnectionProvider $dbProvider
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* @param LinkBatchFactory $linkBatchFactory
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*/
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public function __construct(
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IConnectionProvider $dbProvider,
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LinkBatchFactory $linkBatchFactory
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) {
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parent::__construct( 'ListDuplicatedFiles' );
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$this->setDatabaseProvider( $dbProvider );
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$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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/**
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* Get all the duplicates by grouping on sha1s.
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*
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* A cheaper (but less useful) version of this
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* query would be to not care how many duplicates a
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* particular file has, and do a self-join on image table.
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* However this version should be no more expensive then
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* Special:MostLinked, which seems to get handled fine
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* with however we are doing cached special pages.
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* @return array
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*/
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public function getQueryInfo() {
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return [
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'tables' => [ 'image' ],
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'fields' => [
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'namespace' => NS_FILE,
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'title' => 'MIN(img_name)',
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'value' => 'count(*)'
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],
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'options' => [
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'GROUP BY' => 'img_sha1',
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'HAVING' => 'count(*) > 1',
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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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* @param Skin $skin
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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, $result ) {
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// Future version might include a list of the first 5 duplicates
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// perhaps separated by an "↔".
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$image1 = Title::makeTitle( $result->namespace, $result->title );
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$dupeSearch = SpecialPage::getTitleFor( 'FileDuplicateSearch', $image1->getDBkey() );
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$msg = $this->msg( 'listduplicatedfiles-entry' )
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->params( $image1->getText() )
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->numParams( $result->value - 1 )
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->params( $dupeSearch->getPrefixedDBkey() );
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return $msg->parse();
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}
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public function execute( $par ) {
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$this->addHelpLink( 'Help:Managing_files' );
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parent::execute( $par );
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}
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protected function getGroupName() {
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return 'media';
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}
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}
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/** @deprecated class alias since 1.41 */
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class_alias( SpecialListDuplicatedFiles::class, 'SpecialListDuplicatedFiles' );
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