<?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\Exception;

use MediaWiki\MediaWikiServices;

/**
 * Show an error when the wiki is locked/read-only and the user tries to do
 * something that requires write access.
 *
 * @newable
 * @since 1.18
 * @ingroup Exception
 */
class ReadOnlyError extends ErrorPageError {

	/**
	 * @stable to call
	 */
	public function __construct() {
		$reason = MediaWikiServices::getInstance()->getReadOnlyMode()->getReason();
		parent::__construct(
			'readonly',
			'readonlytext',
			$reason ? [ $reason ] : []
		);
	}
}

/** @deprecated class alias since 1.44 */
class_alias( ReadOnlyError::class, 'ReadOnlyError' );