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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 | namespace MediaWiki\Page; |
22 | |
23 | use MediaWiki\Category\Category; |
24 | use MediaWiki\Deferred\DeferredUpdates; |
25 | use MediaWiki\MediaWikiServices; |
26 | |
27 | /** |
28 | * Special handling for representing category pages. |
29 | */ |
30 | class WikiCategoryPage extends WikiPage { |
31 | |
32 | /** |
33 | * Don't return a 404 for categories in use. |
34 | * In use defined as: either the actual page exists |
35 | * or the category currently has members. |
36 | * |
37 | * @return bool |
38 | */ |
39 | public function hasViewableContent() { |
40 | if ( parent::hasViewableContent() ) { |
41 | return true; |
42 | } else { |
43 | $cat = Category::newFromTitle( $this->mTitle ); |
44 | // If any of these are not 0, then has members |
45 | if ( $cat->getMemberCount() |
46 | || $cat->getSubcatCount() |
47 | || $cat->getFileCount() |
48 | ) { |
49 | return true; |
50 | } |
51 | } |
52 | return false; |
53 | } |
54 | |
55 | /** |
56 | * Checks if a category is hidden. |
57 | * |
58 | * @since 1.27 |
59 | * @return bool |
60 | */ |
61 | public function isHidden() { |
62 | $pageId = $this->getTitle()->getArticleID(); |
63 | $pageProps = MediaWikiServices::getInstance() |
64 | ->getPageProps() |
65 | ->getProperties( $this->getTitle(), 'hiddencat' ); |
66 | |
67 | return isset( $pageProps[$pageId] ); |
68 | } |
69 | |
70 | /** |
71 | * Checks if a category is expected to be an unused category. |
72 | * |
73 | * @since 1.33 |
74 | * @return bool |
75 | */ |
76 | public function isExpectedUnusedCategory() { |
77 | $pageId = $this->getTitle()->getArticleID(); |
78 | $pageProps = MediaWikiServices::getInstance() |
79 | ->getPageProps() |
80 | ->getProperties( $this->getTitle(), 'expectunusedcategory' ); |
81 | |
82 | return isset( $pageProps[$pageId] ); |
83 | } |
84 | |
85 | /** |
86 | * Update category counts on purge (T85696) |
87 | * |
88 | * @return bool |
89 | */ |
90 | public function doPurge() { |
91 | if ( !parent::doPurge() ) { |
92 | // Aborted by hook most likely |
93 | return false; |
94 | } |
95 | |
96 | $title = $this->mTitle; |
97 | DeferredUpdates::addCallableUpdate( |
98 | static function () use ( $title ) { |
99 | $cat = Category::newFromTitle( $title ); |
100 | // If the category has less than 5000 pages, refresh the counts. |
101 | // 5000 was chosen based on the discussion at T85696. |
102 | $cat->refreshCountsIfSmall( 5000 ); |
103 | }, |
104 | // Explicitly PRESEND so that counts are correct before we try to |
105 | // re-render the page on the next load so {{PAGESINCAT:...}} will |
106 | // be using the correct new values, not the old ones. |
107 | DeferredUpdates::PRESEND |
108 | ); |
109 | |
110 | return true; |
111 | } |
112 | } |
113 | |
114 | /** @deprecated class alias since 1.44 */ |
115 | class_alias( WikiCategoryPage::class, 'WikiCategoryPage' ); |