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| 1 | <?php |
| 2 | /** |
| 3 | * Implements Special:Unusedtemplates |
| 4 | * |
| 5 | * Copyright © 2006 Rob Church |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License along |
| 18 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 20 | * http://www.gnu.org/copyleft/gpl.html |
| 21 | * |
| 22 | * @file |
| 23 | * @ingroup SpecialPage |
| 24 | * @author Rob Church <robchur@gmail.com> |
| 25 | */ |
| 26 | |
| 27 | namespace MediaWiki\Specials; |
| 28 | |
| 29 | use MediaWiki\Linker\LinksMigration; |
| 30 | use MediaWiki\SpecialPage\QueryPage; |
| 31 | use MediaWiki\SpecialPage\SpecialPage; |
| 32 | use MediaWiki\Title\Title; |
| 33 | use Skin; |
| 34 | use stdClass; |
| 35 | use Wikimedia\Rdbms\IConnectionProvider; |
| 36 | |
| 37 | /** |
| 38 | * A special page that lists unused templates |
| 39 | * |
| 40 | * @ingroup SpecialPage |
| 41 | */ |
| 42 | class SpecialUnusedTemplates extends QueryPage { |
| 43 | |
| 44 | private LinksMigration $linksMigration; |
| 45 | |
| 46 | /** |
| 47 | * @param IConnectionProvider $dbProvider |
| 48 | * @param LinksMigration $linksMigration |
| 49 | */ |
| 50 | public function __construct( |
| 51 | IConnectionProvider $dbProvider, |
| 52 | LinksMigration $linksMigration |
| 53 | ) { |
| 54 | parent::__construct( 'Unusedtemplates' ); |
| 55 | $this->setDatabaseProvider( $dbProvider ); |
| 56 | $this->linksMigration = $linksMigration; |
| 57 | } |
| 58 | |
| 59 | public function isExpensive() { |
| 60 | return true; |
| 61 | } |
| 62 | |
| 63 | public function isSyndicated() { |
| 64 | return false; |
| 65 | } |
| 66 | |
| 67 | protected function sortDescending() { |
| 68 | return false; |
| 69 | } |
| 70 | |
| 71 | protected function getOrderFields() { |
| 72 | return [ 'title' ]; |
| 73 | } |
| 74 | |
| 75 | public function getQueryInfo() { |
| 76 | $queryInfo = $this->linksMigration->getQueryInfo( |
| 77 | 'templatelinks', |
| 78 | 'templatelinks', |
| 79 | 'LEFT JOIN' |
| 80 | ); |
| 81 | [ $ns, $title ] = $this->linksMigration->getTitleFields( 'templatelinks' ); |
| 82 | $joinConds = []; |
| 83 | $templatelinksJoin = [ |
| 84 | 'LEFT JOIN', [ "$title = page_title", |
| 85 | "$ns = page_namespace" ] ]; |
| 86 | if ( in_array( 'linktarget', $queryInfo['tables'] ) ) { |
| 87 | $joinConds['linktarget'] = $templatelinksJoin; |
| 88 | } else { |
| 89 | $joinConds['templatelinks'] = $templatelinksJoin; |
| 90 | } |
| 91 | return [ |
| 92 | 'tables' => array_merge( $queryInfo['tables'], [ 'page' ] ), |
| 93 | 'fields' => [ |
| 94 | 'namespace' => 'page_namespace', |
| 95 | 'title' => 'page_title', |
| 96 | ], |
| 97 | 'conds' => [ |
| 98 | 'page_namespace' => NS_TEMPLATE, |
| 99 | 'tl_from' => null, |
| 100 | 'page_is_redirect' => 0 |
| 101 | ], |
| 102 | 'join_conds' => array_merge( $joinConds, $queryInfo['joins'] ) |
| 103 | ]; |
| 104 | } |
| 105 | |
| 106 | public function preprocessResults( $db, $res ) { |
| 107 | $this->executeLBFromResultWrapper( $res ); |
| 108 | } |
| 109 | |
| 110 | /** |
| 111 | * @param Skin $skin |
| 112 | * @param stdClass $result Result row |
| 113 | * @return string |
| 114 | */ |
| 115 | public function formatResult( $skin, $result ) { |
| 116 | $linkRenderer = $this->getLinkRenderer(); |
| 117 | $title = Title::makeTitle( NS_TEMPLATE, $result->title ); |
| 118 | $pageLink = $linkRenderer->makeKnownLink( $title ); |
| 119 | $wlhLink = $linkRenderer->makeKnownLink( |
| 120 | SpecialPage::getTitleFor( 'Whatlinkshere', $title->getPrefixedText() ), |
| 121 | $this->msg( 'unusedtemplateswlh' )->text() |
| 122 | ); |
| 123 | |
| 124 | return $this->getLanguage()->specialList( $pageLink, $wlhLink ); |
| 125 | } |
| 126 | |
| 127 | protected function getPageHeader() { |
| 128 | return $this->msg( 'unusedtemplatestext' )->parseAsBlock(); |
| 129 | } |
| 130 | |
| 131 | protected function getGroupName() { |
| 132 | return 'maintenance'; |
| 133 | } |
| 134 | } |
| 135 | |
| 136 | /** |
| 137 | * Retain the old class name for backwards compatibility. |
| 138 | * @deprecated since 1.41 |
| 139 | */ |
| 140 | class_alias( SpecialUnusedTemplates::class, 'SpecialUnusedTemplates' ); |