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<?php
/**
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
use MediaWiki\Category\CategoryViewer;
use MediaWiki\Title\Title;
use Wikimedia\LightweightObjectStore\ExpirationAwareness;
/**
* Special handling for category description pages.
*
* This displays category members: subcategories, pages, and files categorised here.
*
* @method WikiCategoryPage getPage() Set by overwritten newPage() in this class
*/
class CategoryPage extends Article {
/** @var string Subclasses can change this to override the viewer class. */
protected $mCategoryViewerClass = CategoryViewer::class;
/**
* @param Title $title
* @return WikiCategoryPage
*/
protected function newPage( Title $title ) {
// Overload mPage with a category-specific page
return new WikiCategoryPage( $title );
}
public function view() {
$request = $this->getContext()->getRequest();
$diff = $request->getVal( 'diff' );
if ( $diff !== null && $this->isDiffOnlyView() ) {
parent::view();
return;
}
if ( !$this->getHookRunner()->onCategoryPageView( $this ) ) {
return;
}
$title = $this->getTitle();
if ( $title->inNamespace( NS_CATEGORY ) ) {
$this->openShowCategory();
}
parent::view();
if ( $title->inNamespace( NS_CATEGORY ) ) {
$this->closeShowCategory();
}
# Use adaptive TTLs for CDN so delayed/failed purges are noticed less often
$outputPage = $this->getContext()->getOutput();
$outputPage->adaptCdnTTL(
$this->getPage()->getTouched(),
ExpirationAwareness::TTL_MINUTE
);
}
public function openShowCategory() {
# For overloading
}
public function closeShowCategory() {
// Use these as defaults for back compat --catrope
$request = $this->getContext()->getRequest();
$oldFrom = $request->getVal( 'from' );
$oldUntil = $request->getVal( 'until' );
$reqArray = $request->getValues();
$from = $until = [];
foreach ( [ 'page', 'subcat', 'file' ] as $type ) {
$from[$type] = $request->getVal( "{$type}from", $oldFrom );
$until[$type] = $request->getVal( "{$type}until", $oldUntil );
// Do not want old-style from/until propagating in nav links.
if ( !isset( $reqArray["{$type}from"] ) && isset( $reqArray["from"] ) ) {
$reqArray["{$type}from"] = $reqArray["from"];
}
if ( !isset( $reqArray["{$type}to"] ) && isset( $reqArray["to"] ) ) {
$reqArray["{$type}to"] = $reqArray["to"];
}
}
unset( $reqArray["from"] );
unset( $reqArray["to"] );
$viewer = new $this->mCategoryViewerClass(
$this->getPage(),
$this->getContext(),
$from,
$until,
$reqArray
);
$out = $this->getContext()->getOutput();
$out->addHTML( $viewer->getHTML() );
$this->addHelpLink( 'Help:Categories' );
}
}
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