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| 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 | */ |
| 20 | |
| 21 | use MediaWiki\Category\Category; |
| 22 | use MediaWiki\Deferred\DeferredUpdates; |
| 23 | use MediaWiki\MediaWikiServices; |
| 24 | |
| 25 | /** |
| 26 | * Special handling for representing category pages. |
| 27 | */ |
| 28 | class WikiCategoryPage extends WikiPage { |
| 29 | |
| 30 | /** |
| 31 | * Don't return a 404 for categories in use. |
| 32 | * In use defined as: either the actual page exists |
| 33 | * or the category currently has members. |
| 34 | * |
| 35 | * @return bool |
| 36 | */ |
| 37 | public function hasViewableContent() { |
| 38 | if ( parent::hasViewableContent() ) { |
| 39 | return true; |
| 40 | } else { |
| 41 | $cat = Category::newFromTitle( $this->mTitle ); |
| 42 | // If any of these are not 0, then has members |
| 43 | if ( $cat->getMemberCount() |
| 44 | || $cat->getSubcatCount() |
| 45 | || $cat->getFileCount() |
| 46 | ) { |
| 47 | return true; |
| 48 | } |
| 49 | } |
| 50 | return false; |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * Checks if a category is hidden. |
| 55 | * |
| 56 | * @since 1.27 |
| 57 | * @return bool |
| 58 | */ |
| 59 | public function isHidden() { |
| 60 | $pageId = $this->getTitle()->getArticleID(); |
| 61 | $pageProps = MediaWikiServices::getInstance() |
| 62 | ->getPageProps() |
| 63 | ->getProperties( $this->getTitle(), 'hiddencat' ); |
| 64 | |
| 65 | return isset( $pageProps[$pageId] ); |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * Checks if a category is expected to be an unused category. |
| 70 | * |
| 71 | * @since 1.33 |
| 72 | * @return bool |
| 73 | */ |
| 74 | public function isExpectedUnusedCategory() { |
| 75 | $pageId = $this->getTitle()->getArticleID(); |
| 76 | $pageProps = MediaWikiServices::getInstance() |
| 77 | ->getPageProps() |
| 78 | ->getProperties( $this->getTitle(), 'expectunusedcategory' ); |
| 79 | |
| 80 | return isset( $pageProps[$pageId] ); |
| 81 | } |
| 82 | |
| 83 | /** |
| 84 | * Update category counts on purge (T85696) |
| 85 | * |
| 86 | * @return bool |
| 87 | */ |
| 88 | public function doPurge() { |
| 89 | if ( !parent::doPurge() ) { |
| 90 | // Aborted by hook most likely |
| 91 | return false; |
| 92 | } |
| 93 | |
| 94 | $title = $this->mTitle; |
| 95 | DeferredUpdates::addCallableUpdate( |
| 96 | static function () use ( $title ) { |
| 97 | $cat = Category::newFromTitle( $title ); |
| 98 | // If the category has less than 5000 pages, refresh the counts. |
| 99 | // 5000 was chosen based on the discussion at T85696. |
| 100 | $cat->refreshCountsIfSmall( 5000 ); |
| 101 | }, |
| 102 | // Explicitly PRESEND so that counts are correct before we try to |
| 103 | // re-render the page on the next load so {{PAGESINCAT:...}} will |
| 104 | // be using the correct new values, not the old ones. |
| 105 | DeferredUpdates::PRESEND |
| 106 | ); |
| 107 | |
| 108 | return true; |
| 109 | } |
| 110 | } |