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<?php
/**
* Copyright © 2008 Soxred93
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
namespace MediaWiki\Specials;
use MediaWiki\Cache\LinkBatchFactory;
use MediaWiki\FileRepo\RepoGroup;
use MediaWiki\MainConfigNames;
use MediaWiki\MediaWikiServices;
use MediaWiki\Page\PageReferenceValue;
use MediaWiki\SpecialPage\WantedQueryPage;
use MediaWiki\Title\Title;
use Wikimedia\Rdbms\IConnectionProvider;
/**
* List of the most linked non-existent files.
*
* @ingroup SpecialPage
* @author Soxred93 <soxred93@gmail.com>
*/
class SpecialWantedFiles extends WantedQueryPage {
private RepoGroup $repoGroup;
private int $migrationStage;
public function __construct(
RepoGroup $repoGroup,
IConnectionProvider $dbProvider,
LinkBatchFactory $linkBatchFactory
) {
parent::__construct( 'Wantedfiles' );
$this->repoGroup = $repoGroup;
$this->setDatabaseProvider( $dbProvider );
$this->setLinkBatchFactory( $linkBatchFactory );
$this->migrationStage = MediaWikiServices::getInstance()->getMainConfig()->get(
MainConfigNames::FileSchemaMigrationStage
);
}
protected function getPageHeader() {
# Specifically setting to use "Wanted Files" (NS_MAIN) as title, so as to get what
# category would be used on main namespace pages, for those tricky wikipedia
# admins who like to do {{#ifeq:{{NAMESPACE}}|foo|bar|....}}.
$catMessage = $this->msg( 'broken-file-category' )
->page( PageReferenceValue::localReference( NS_MAIN, "Wanted Files" ) )
->inContentLanguage();
if ( !$catMessage->isDisabled() ) {
$category = Title::makeTitleSafe( NS_CATEGORY, $catMessage->text() );
} else {
$category = false;
}
$noForeign = '';
if ( !$this->likelyToHaveFalsePositives() ) {
// Additional messages for grep:
// wantedfiletext-cat-noforeign, wantedfiletext-nocat-noforeign
$noForeign = '-noforeign';
}
if ( $category ) {
return $this
->msg( 'wantedfiletext-cat' . $noForeign )
->params( $category->getFullText() )
->parseAsBlock();
} else {
return $this
->msg( 'wantedfiletext-nocat' . $noForeign )
->parseAsBlock();
}
}
/**
* Whether foreign repos are likely to cause false positives
*
* In its own function to allow subclasses to override.
* @see SpecialWantedFilesGUOverride in GlobalUsage extension.
* @since 1.24
* @return bool
*/
protected function likelyToHaveFalsePositives() {
return $this->repoGroup->hasForeignRepos();
}
/**
* KLUGE: The results may contain false positives for files
* that exist e.g. in a shared repo. Setting this at least
* keeps them from showing up as redlinks in the output, even
* if it doesn't fix the real problem (T8220).
*
* @note could also have existing links here from broken file
* redirects.
* @return bool
*/
protected function forceExistenceCheck() {
return true;
}
/**
* Does the file exist?
*
* Use findFile() so we still think file namespace pages without files
* are missing, but valid file redirects and foreign files are ok.
*
* @param Title $title
* @return bool
*/
protected function existenceCheck( Title $title ) {
return (bool)$this->repoGroup->findFile( $title );
}
public function getQueryInfo() {
if ( $this->migrationStage & SCHEMA_COMPAT_READ_OLD ) {
$fileTable = 'image';
$nameField = 'img_name';
$extraConds1 = [];
$extraConds2 = [];
} else {
$fileTable = 'file';
$nameField = 'file_name';
$extraConds1 = [ 'img1.file_deleted' => 0 ];
$extraConds2 = [ 'img2.file_deleted' => 0 ];
}
return [
'tables' => [
'imagelinks',
'page',
'redirect',
'img1' => $fileTable,
'img2' => $fileTable,
],
'fields' => [
'namespace' => NS_FILE,
'title' => 'il_to',
'value' => 'COUNT(*)'
],
'conds' => [
'img1.' . $nameField => null,
// We also need to exclude file redirects
'img2.' . $nameField => null,
],
'options' => [ 'GROUP BY' => 'il_to' ],
'join_conds' => [
'img1' => [ 'LEFT JOIN',
array_merge( [ 'il_to = img1.' . $nameField ], $extraConds1 ),
],
'page' => [ 'LEFT JOIN', [
'il_to = page_title',
'page_namespace' => NS_FILE,
] ],
'redirect' => [ 'LEFT JOIN', [
'page_id = rd_from',
'rd_namespace' => NS_FILE,
'rd_interwiki' => ''
] ],
'img2' => [ 'LEFT JOIN',
array_merge( [ 'rd_title = img2.' . $nameField ], $extraConds2 ),
]
]
];
}
protected function getGroupName() {
return 'maintenance';
}
}
/**
* Retain the old class name for backwards compatibility.
* @deprecated since 1.40
*/
class_alias( SpecialWantedFiles::class, 'WantedFilesPage' );
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