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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
*/
namespace MediaWiki\Deferred;
use HTMLFileCache;
use MediaWiki\Cache\CacheKeyHelper;
use MediaWiki\Page\PageIdentity;
use Wikimedia\Assert\Assert;
/**
* HTMLFileCache purge update for a set of titles
*
* @ingroup Cache
* @since 1.35
*/
class HtmlFileCacheUpdate implements DeferrableUpdate, MergeableUpdate {
/** @var PageIdentity[] List of pages */
private $pages;
/**
* @param PageIdentity[] $pages List of pages
*/
private function __construct( array $pages ) {
$this->pages = $pages;
}
public function merge( MergeableUpdate $update ) {
/** @var self $update */
Assert::parameterType( __CLASS__, $update, '$update' );
'@phan-var self $update';
$this->pages = array_merge( $this->pages, $update->pages );
}
/**
* @since 1.37
* @param iterable<PageIdentity> $pages PageIdentity instances
*
* @return HtmlFileCacheUpdate
*/
public static function newFromPages( $pages ) {
$pagesByKey = [];
foreach ( $pages as $pg ) {
$key = CacheKeyHelper::getKeyForPage( $pg );
$pagesByKey[$key] = $pg;
}
return new self( $pagesByKey );
}
public function doUpdate() {
foreach ( $this->pages as $pg ) {
HTMLFileCache::clearFileCache( $pg );
}
}
}
/** @deprecated class alias since 1.42 */
class_alias( HtmlFileCacheUpdate::class, 'HtmlFileCacheUpdate' );
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