includes/TrackingCategories.php

   1 <?php
   2 /**
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation; either version 2 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  16  * http://www.gnu.org/copyleft/gpl.html
  17  *
  18  * @file
  19  * @ingroup Categories
  20  */
  21
  22 /**
  23  * This class performs some operations related to tracking categories, such as creating
  24  * a list of all such categories.
  25  * @since 1.29
  26  */
  27 class TrackingCategories {
  28         /** @var Config */
  29         private $config;
  30
  31         /**
  32          * Tracking categories that exist in core
  33          *
  34          * @var array
  35          */
  36         private static $coreTrackingCategories = [
  37                 'index-category',
  38                 'noindex-category',
  39                 'duplicate-args-category',
  40                 'expensive-parserfunction-category',
  41                 'post-expand-template-argument-category',
  42                 'post-expand-template-inclusion-category',
  43                 'hidden-category-category',
  44                 'broken-file-category',
  45                 'node-count-exceeded-category',
  46                 'expansion-depth-exceeded-category',
  47                 'restricted-displaytitle-ignored',
  48                 'deprecated-self-close-category',
  49                 'template-loop-category',
  50         ];
  51
  52         /**
  53          * @param Config $config
  54          */
  55         public function __construct( Config $config ) {
  56                 $this->config = $config;
  57         }
  58
  59         /**
  60          * Read the global and extract title objects from the corresponding messages
  61          * @return array Array( 'msg' => Title, 'cats' => Title[] )
  62          */
  63         public function getTrackingCategories() {
  64                 $categories = array_merge(
  65                         self::$coreTrackingCategories,
  66                         ExtensionRegistry::getInstance()->getAttribute( 'TrackingCategories' ),
  67                         $this->config->get( 'TrackingCategories' ) // deprecated
  68                 );
  69
  70                 // Only show magic link tracking categories if they are enabled
  71                 $enableMagicLinks = $this->config->get( 'EnableMagicLinks' );
  72                 if ( $enableMagicLinks['ISBN'] ) {
  73                         $categories[] = 'magiclink-tracking-isbn';
  74                 }
  75                 if ( $enableMagicLinks['RFC'] ) {
  76                         $categories[] = 'magiclink-tracking-rfc';
  77                 }
  78                 if ( $enableMagicLinks['PMID'] ) {
  79                         $categories[] = 'magiclink-tracking-pmid';
  80                 }
  81
  82                 $trackingCategories = [];
  83                 foreach ( $categories as $catMsg ) {
  84                         /*
  85                          * Check if the tracking category varies by namespace
  86                          * Otherwise only pages in the current namespace will be displayed
  87                          * If it does vary, show pages considering all namespaces
  88                          */
  89                         $msgObj = wfMessage( $catMsg )->inContentLanguage();
  90                         $allCats = [];
  91                         $catMsgTitle = Title::makeTitleSafe( NS_MEDIAWIKI, $catMsg );
  92                         if ( !$catMsgTitle ) {
  93                                 continue;
  94                         }
  95
  96                         // Match things like {{NAMESPACE}} and {{NAMESPACENUMBER}}.
  97                         // False positives are ok, this is just an efficiency shortcut
  98                         if ( strpos( $msgObj->plain(), '{{' ) !== false ) {
  99                                 $ns = MWNamespace::getValidNamespaces();
 100                                 foreach ( $ns as $namesp ) {
 101                                         $tempTitle = Title::makeTitleSafe( $namesp, $catMsg );
 102                                         if ( !$tempTitle ) {
 103                                                 continue;
 104                                         }
 105                                         $catName = $msgObj->title( $tempTitle )->text();
 106                                         # Allow tracking categories to be disabled by setting them to "-"
 107                                         if ( $catName !== '-' ) {
 108                                                 $catTitle = Title::makeTitleSafe( NS_CATEGORY, $catName );
 109                                                 if ( $catTitle ) {
 110                                                         $allCats[] = $catTitle;
 111                                                 }
 112                                         }
 113                                 }
 114                         } else {
 115                                 $catName = $msgObj->text();
 116                                 # Allow tracking categories to be disabled by setting them to "-"
 117                                 if ( $catName !== '-' ) {
 118                                         $catTitle = Title::makeTitleSafe( NS_CATEGORY, $catName );
 119                                         if ( $catTitle ) {
 120                                                 $allCats[] = $catTitle;
 121                                         }
 122                                 }
 123                         }
 124                         $trackingCategories[$catMsg] = [
 125                                 'cats' => $allCats,
 126                                 'msg' => $catMsgTitle,
 127                         ];
 128                 }
 129
 130                 return $trackingCategories;
 131         }
 132 }