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| 1 | <?php |
| 2 | /** |
| 3 | * Implements Special:Brokenredirects |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along |
| 16 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 18 | * http://www.gnu.org/copyleft/gpl.html |
| 19 | * |
| 20 | * @file |
| 21 | * @ingroup SpecialPage |
| 22 | */ |
| 23 | |
| 24 | namespace MediaWiki\Specials; |
| 25 | |
| 26 | use MediaWiki\Cache\LinkBatchFactory; |
| 27 | use MediaWiki\Content\IContentHandlerFactory; |
| 28 | use MediaWiki\SpecialPage\QueryPage; |
| 29 | use MediaWiki\Title\Title; |
| 30 | use Skin; |
| 31 | use Wikimedia\Rdbms\IConnectionProvider; |
| 32 | use Wikimedia\Rdbms\IDatabase; |
| 33 | use Wikimedia\Rdbms\IResultWrapper; |
| 34 | |
| 35 | /** |
| 36 | * A special page listing redirects to non existent page. Those should be |
| 37 | * fixed to point to an existing page. |
| 38 | * |
| 39 | * @ingroup SpecialPage |
| 40 | */ |
| 41 | class SpecialBrokenRedirects extends QueryPage { |
| 42 | |
| 43 | private IContentHandlerFactory $contentHandlerFactory; |
| 44 | |
| 45 | /** |
| 46 | * @param IContentHandlerFactory $contentHandlerFactory |
| 47 | * @param IConnectionProvider $dbProvider |
| 48 | * @param LinkBatchFactory $linkBatchFactory |
| 49 | */ |
| 50 | public function __construct( |
| 51 | IContentHandlerFactory $contentHandlerFactory, |
| 52 | IConnectionProvider $dbProvider, |
| 53 | LinkBatchFactory $linkBatchFactory |
| 54 | ) { |
| 55 | parent::__construct( 'BrokenRedirects' ); |
| 56 | $this->contentHandlerFactory = $contentHandlerFactory; |
| 57 | $this->setDatabaseProvider( $dbProvider ); |
| 58 | $this->setLinkBatchFactory( $linkBatchFactory ); |
| 59 | } |
| 60 | |
| 61 | public function isExpensive() { |
| 62 | return true; |
| 63 | } |
| 64 | |
| 65 | public function isSyndicated() { |
| 66 | return false; |
| 67 | } |
| 68 | |
| 69 | protected function sortDescending() { |
| 70 | return false; |
| 71 | } |
| 72 | |
| 73 | protected function getPageHeader() { |
| 74 | return $this->msg( 'brokenredirectstext' )->parseAsBlock(); |
| 75 | } |
| 76 | |
| 77 | public function getQueryInfo() { |
| 78 | $dbr = $this->getDatabaseProvider()->getReplicaDatabase(); |
| 79 | |
| 80 | return [ |
| 81 | 'tables' => [ |
| 82 | 'redirect', |
| 83 | 'p1' => 'page', |
| 84 | 'p2' => 'page', |
| 85 | ], |
| 86 | 'fields' => [ |
| 87 | 'namespace' => 'p1.page_namespace', |
| 88 | 'title' => 'p1.page_title', |
| 89 | 'rd_namespace', |
| 90 | 'rd_title', |
| 91 | 'rd_fragment', |
| 92 | ], |
| 93 | 'conds' => [ |
| 94 | // Exclude pages that don't exist locally as wiki pages, but aren't "broken" either: special |
| 95 | // pages and interwiki links. |
| 96 | 'rd_namespace >= 0', |
| 97 | 'rd_interwiki' => '', |
| 98 | 'p2.page_namespace' => null, |
| 99 | ], |
| 100 | 'join_conds' => [ |
| 101 | 'p1' => [ 'JOIN', [ |
| 102 | 'rd_from=p1.page_id', |
| 103 | ] ], |
| 104 | 'p2' => [ 'LEFT JOIN', [ |
| 105 | 'rd_namespace=p2.page_namespace', |
| 106 | 'rd_title=p2.page_title' |
| 107 | ] ], |
| 108 | ], |
| 109 | ]; |
| 110 | } |
| 111 | |
| 112 | /** |
| 113 | * @return array |
| 114 | */ |
| 115 | protected function getOrderFields() { |
| 116 | return [ 'rd_namespace', 'rd_title', 'rd_from' ]; |
| 117 | } |
| 118 | |
| 119 | /** |
| 120 | * @param Skin $skin |
| 121 | * @param \stdClass $result Result row |
| 122 | * @return string |
| 123 | */ |
| 124 | public function formatResult( $skin, $result ) { |
| 125 | $fromObj = Title::makeTitle( $result->namespace, $result->title ); |
| 126 | if ( isset( $result->rd_title ) ) { |
| 127 | $toObj = Title::makeTitle( |
| 128 | $result->rd_namespace, |
| 129 | $result->rd_title, |
| 130 | $result->rd_fragment |
| 131 | ); |
| 132 | } else { |
| 133 | $toObj = false; |
| 134 | } |
| 135 | |
| 136 | $linkRenderer = $this->getLinkRenderer(); |
| 137 | |
| 138 | // $toObj may very easily be false if the $result list is cached |
| 139 | if ( !is_object( $toObj ) ) { |
| 140 | return '<del>' . $linkRenderer->makeLink( $fromObj ) . '</del>'; |
| 141 | } |
| 142 | |
| 143 | $from = $linkRenderer->makeKnownLink( |
| 144 | $fromObj, |
| 145 | null, |
| 146 | [], |
| 147 | [ 'redirect' => 'no' ] |
| 148 | ); |
| 149 | $links = []; |
| 150 | // if the page is editable, add an edit link |
| 151 | if ( |
| 152 | // check user permissions |
| 153 | $this->getAuthority()->isAllowed( 'edit' ) && |
| 154 | // check, if the content model is editable through action=edit |
| 155 | $this->contentHandlerFactory->getContentHandler( $fromObj->getContentModel() ) |
| 156 | ->supportsDirectEditing() |
| 157 | ) { |
| 158 | $links[] = $linkRenderer->makeKnownLink( |
| 159 | $fromObj, |
| 160 | $this->msg( 'brokenredirects-edit' )->text(), |
| 161 | [], |
| 162 | [ 'action' => 'edit' ] |
| 163 | ); |
| 164 | } |
| 165 | $to = $linkRenderer->makeBrokenLink( $toObj, $toObj->getFullText() ); |
| 166 | $arr = $this->getLanguage()->getArrow(); |
| 167 | |
| 168 | $out = $from . $this->msg( 'word-separator' )->escaped(); |
| 169 | |
| 170 | if ( $this->getAuthority()->isAllowed( 'delete' ) ) { |
| 171 | $links[] = $linkRenderer->makeKnownLink( |
| 172 | $fromObj, |
| 173 | $this->msg( 'brokenredirects-delete' )->text(), |
| 174 | [], |
| 175 | [ |
| 176 | 'action' => 'delete', |
| 177 | 'wpReason' => $this->msg( 'brokenredirects-delete-reason' ) |
| 178 | ->inContentLanguage() |
| 179 | ->text() |
| 180 | ] |
| 181 | ); |
| 182 | } |
| 183 | |
| 184 | if ( $links ) { |
| 185 | $out .= $this->msg( 'parentheses' )->rawParams( $this->getLanguage() |
| 186 | ->pipeList( $links ) )->escaped(); |
| 187 | } |
| 188 | $out .= " {$arr} {$to}"; |
| 189 | |
| 190 | return $out; |
| 191 | } |
| 192 | |
| 193 | public function execute( $par ) { |
| 194 | $this->addHelpLink( 'Help:Redirects' ); |
| 195 | parent::execute( $par ); |
| 196 | } |
| 197 | |
| 198 | /** |
| 199 | * Cache page content model for performance |
| 200 | * |
| 201 | * @param IDatabase $db |
| 202 | * @param IResultWrapper $res |
| 203 | */ |
| 204 | public function preprocessResults( $db, $res ) { |
| 205 | $this->executeLBFromResultWrapper( $res ); |
| 206 | } |
| 207 | |
| 208 | protected function getGroupName() { |
| 209 | return 'maintenance'; |
| 210 | } |
| 211 | } |
| 212 | |
| 213 | /** @deprecated class alias since 1.41 */ |
| 214 | class_alias( SpecialBrokenRedirects::class, 'SpecialBrokenRedirects' ); |