includes/specials/SpecialTrackingCategories.php

   1 <?php
   2 /**
   3  * Implements Special:TrackingCategories
   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 /**
  25  * A special page that displays list of tracking categories
  26  * Tracking categories allow pages with certain characteristics to be tracked.
  27  * It works by adding any such page to a category automatically.
  28  * Category is specified by the tracking category's system message.
  29  *
  30  * @ingroup SpecialPage
  31  * @since 1.23
  32  */
  33
  34 class SpecialTrackingCategories extends SpecialPage {
  35         function __construct() {
  36                 parent::__construct( 'TrackingCategories' );
  37         }
  38
  39         /**
  40          * Tracking categories that exist in core
  41          *
  42          * @var array
  43          */
  44         private static $coreTrackingCategories = [
  45                 'index-category',
  46                 'noindex-category',
  47                 'duplicate-args-category',
  48                 'expensive-parserfunction-category',
  49                 'post-expand-template-argument-category',
  50                 'post-expand-template-inclusion-category',
  51                 'hidden-category-category',
  52                 'broken-file-category',
  53                 'node-count-exceeded-category',
  54                 'expansion-depth-exceeded-category',
  55                 'restricted-displaytitle-ignored',
  56                 'deprecated-self-close-category',
  57         ];
  58
  59         function execute( $par ) {
  60                 $this->setHeaders();
  61                 $this->outputHeader();
  62                 $this->getOutput()->allowClickjacking();
  63                 $this->getOutput()->addHTML(
  64                         Html::openElement( 'table', [ 'class' => 'mw-datatable',
  65                                 'id' => 'mw-trackingcategories-table' ] ) . "\n" .
  66                         "<thead><tr>
  67                         <th>" .
  68                                 $this->msg( 'trackingcategories-msg' )->escaped() . "
  69                         </th>
  70                         <th>" .
  71                                 $this->msg( 'trackingcategories-name' )->escaped() .
  72                         "</th>
  73                         <th>" .
  74                                 $this->msg( 'trackingcategories-desc' )->escaped() . "
  75                         </th>
  76                         </tr></thead>"
  77                 );
  78
  79                 $trackingCategories = $this->prepareTrackingCategoriesData();
  80
  81                 $batch = new LinkBatch();
  82                 foreach ( $trackingCategories as $catMsg => $data ) {
  83                         $batch->addObj( $data['msg'] );
  84                         foreach ( $data['cats'] as $catTitle ) {
  85                                 $batch->addObj( $catTitle );
  86                         }
  87                 }
  88                 $batch->execute();
  89
  90                 foreach ( $trackingCategories as $catMsg => $data ) {
  91                         $allMsgs = [];
  92                         $catDesc = $catMsg . '-desc';
  93
  94                         $catMsgTitleText = Linker::link(
  95                                 $data['msg'],
  96                                 htmlspecialchars( $catMsg )
  97                         );
  98
  99                         foreach ( $data['cats'] as $catTitle ) {
 100                                 $catTitleText = Linker::link(
 101                                         $catTitle,
 102                                         htmlspecialchars( $catTitle->getText() )
 103                                 );
 104                                 $allMsgs[] = $catTitleText;
 105                         }
 106
 107                         # Extra message, when no category was found
 108                         if ( !count( $allMsgs ) ) {
 109                                 $allMsgs[] = $this->msg( 'trackingcategories-disabled' )->parse();
 110                         }
 111
 112                         /*
 113                          * Show category description if it exists as a system message
 114                          * as category-name-desc
 115                          */
 116                         $descMsg = $this->msg( $catDesc );
 117                         if ( $descMsg->isBlank() ) {
 118                                 $descMsg = $this->msg( 'trackingcategories-nodesc' );
 119                         }
 120
 121                         $this->getOutput()->addHTML(
 122                                 Html::openElement( 'tr' ) .
 123                                 Html::openElement( 'td', [ 'class' => 'mw-trackingcategories-name' ] ) .
 124                                         $this->getLanguage()->commaList( array_unique( $allMsgs ) ) .
 125                                 Html::closeElement( 'td' ) .
 126                                 Html::openElement( 'td', [ 'class' => 'mw-trackingcategories-msg' ] ) .
 127                                         $catMsgTitleText .
 128                                 Html::closeElement( 'td' ) .
 129                                 Html::openElement( 'td', [ 'class' => 'mw-trackingcategories-desc' ] ) .
 130                                         $descMsg->parse() .
 131                                 Html::closeElement( 'td' ) .
 132                                 Html::closeElement( 'tr' )
 133                         );
 134                 }
 135                 $this->getOutput()->addHTML( Html::closeElement( 'table' ) );
 136         }
 137
 138         /**
 139          * Read the global and extract title objects from the corresponding messages
 140          * @return array Array( 'msg' => Title, 'cats' => Title[] )
 141          */
 142         private function prepareTrackingCategoriesData() {
 143                 $categories = array_merge(
 144                         self::$coreTrackingCategories,
 145                         ExtensionRegistry::getInstance()->getAttribute( 'TrackingCategories' ),
 146                         $this->getConfig()->get( 'TrackingCategories' ) // deprecated
 147                 );
 148                 $trackingCategories = [];
 149                 foreach ( $categories as $catMsg ) {
 150                         /*
 151                          * Check if the tracking category varies by namespace
 152                          * Otherwise only pages in the current namespace will be displayed
 153                          * If it does vary, show pages considering all namespaces
 154                          */
 155                         $msgObj = $this->msg( $catMsg )->inContentLanguage();
 156                         $allCats = [];
 157                         $catMsgTitle = Title::makeTitleSafe( NS_MEDIAWIKI, $catMsg );
 158                         if ( !$catMsgTitle ) {
 159                                 continue;
 160                         }
 161
 162                         // Match things like {{NAMESPACE}} and {{NAMESPACENUMBER}}.
 163                         // False positives are ok, this is just an efficiency shortcut
 164                         if ( strpos( $msgObj->plain(), '{{' ) !== false ) {
 165                                 $ns = MWNamespace::getValidNamespaces();
 166                                 foreach ( $ns as $namesp ) {
 167                                         $tempTitle = Title::makeTitleSafe( $namesp, $catMsg );
 168                                         if ( !$tempTitle ) {
 169                                                 continue;
 170                                         }
 171                                         $catName = $msgObj->title( $tempTitle )->text();
 172                                         # Allow tracking categories to be disabled by setting them to "-"
 173                                         if ( $catName !== '-' ) {
 174                                                 $catTitle = Title::makeTitleSafe( NS_CATEGORY, $catName );
 175                                                 if ( $catTitle ) {
 176                                                         $allCats[] = $catTitle;
 177                                                 }
 178                                         }
 179                                 }
 180                         } else {
 181                                 $catName = $msgObj->text();
 182                                 # Allow tracking categories to be disabled by setting them to "-"
 183                                 if ( $catName !== '-' ) {
 184                                         $catTitle = Title::makeTitleSafe( NS_CATEGORY, $catName );
 185                                         if ( $catTitle ) {
 186                                                 $allCats[] = $catTitle;
 187                                         }
 188                                 }
 189                         }
 190                         $trackingCategories[$catMsg] = [
 191                                 'cats' => $allCats,
 192                                 'msg' => $catMsgTitle,
 193                         ];
 194                 }
 195
 196                 return $trackingCategories;
 197         }
 198
 199         protected function getGroupName() {
 200                 return 'pages';
 201         }
 202 }