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path: root/includes/api/ApiMove.php
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<?php

/*
 * Created on Oct 31, 2007
 * API for MediaWiki 1.8+
 *
 * Copyright (C) 2007 Roan Kattouw <Firstname>.<Lastname>@home.nl
 *
 * 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.,
 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 * http://www.gnu.org/copyleft/gpl.html
 */

if (!defined('MEDIAWIKI')) {
	// Eclipse helper - will be ignored in production
	require_once ("ApiBase.php");
}


/**
 * @ingroup API
 */
class ApiMove extends ApiBase {

	public function __construct($main, $action) {
		parent :: __construct($main, $action);
	}

	public function execute() {
		global $wgUser;
		$this->getMain()->requestWriteMode();
		$params = $this->extractRequestParams();
		if(is_null($params['reason']))
			$params['reason'] = '';

		$titleObj = NULL;
		if(!isset($params['from']))
			$this->dieUsageMsg(array('missingparam', 'from'));
		if(!isset($params['to']))
			$this->dieUsageMsg(array('missingparam', 'to'));
		if(!isset($params['token']))
			$this->dieUsageMsg(array('missingparam', 'token'));
		if(!$wgUser->matchEditToken($params['token']))
			$this->dieUsageMsg(array('sessionfailure'));

		$fromTitle = Title::newFromText($params['from']);
		if(!$fromTitle)
			$this->dieUsageMsg(array('invalidtitle', $params['from']));
		if(!$fromTitle->exists())
			$this->dieUsageMsg(array('notanarticle'));
		$fromTalk = $fromTitle->getTalkPage();

		$toTitle = Title::newFromText($params['to']);
		if(!$toTitle)
			$this->dieUsageMsg(array('invalidtitle', $params['to']));
		$toTalk = $toTitle->getTalkPage();

		// Run getUserPermissionsErrors() here so we get message arguments too,
		// rather than just a message key. The latter is troublesome for messages
		// that use arguments.
		// FIXME: moveTo() should really return an array, requires some
		//	  refactoring of other code, though (mainly SpecialMovepage.php)
		$errors = array_merge($fromTitle->getUserPermissionsErrors('move', $wgUser),
					$fromTitle->getUserPermissionsErrors('edit', $wgUser),
					$toTitle->getUserPermissionsErrors('move', $wgUser),
					$toTitle->getUserPermissionsErrors('edit', $wgUser));
		if(!empty($errors))
			// We don't care about multiple errors, just report one of them
			$this->dieUsageMsg(current($errors));

		$hookErr = null;

		$retval = $fromTitle->moveTo($toTitle, true, $params['reason'], !$params['noredirect']);
		if($retval !== true)
		{
			# FIXME: Title::moveTo() sometimes returns a string
			$this->dieUsageMsg(reset($retval));
		}

		$r = array('from' => $fromTitle->getPrefixedText(), 'to' => $toTitle->getPrefixedText(), 'reason' => $params['reason']);
		if(!$params['noredirect'] || !$wgUser->isAllowed('suppressredirect'))
			$r['redirectcreated'] = '';

		if($params['movetalk'] && $fromTalk->exists() && !$fromTitle->isTalkPage())
		{
			// We need to move the talk page as well
			$toTalk = $toTitle->getTalkPage();
			$retval = $fromTalk->moveTo($toTalk, true, $params['reason'], !$params['noredirect']);
			if($retval === true)
			{
				$r['talkfrom'] = $fromTalk->getPrefixedText();
				$r['talkto'] = $toTalk->getPrefixedText();
			}
			// We're not gonna dieUsage() on failure, since we already changed something
			else
			{
				$r['talkmove-error-code'] = ApiBase::$messageMap[$retval]['code'];
				$r['talkmove-error-info'] = ApiBase::$messageMap[$retval]['info'];
			}
		}

		# Watch pages
		if($params['watch'] || $wgUser->getOption('watchmoves'))
		{
			$wgUser->addWatch($fromTitle);
			$wgUser->addWatch($toTitle);
		}
		else if($params['unwatch'])
		{
			$wgUser->removeWatch($fromTitle);
			$wgUser->removeWatch($toTitle);
		}
		$this->getResult()->addValue(null, $this->getModuleName(), $r);
	}

	public function mustBePosted() { return true; }

	public function getAllowedParams() {
		return array (
			'from' => null,
			'to' => null,
			'token' => null,
			'reason' => null,
			'movetalk' => false,
			'noredirect' => false,
			'watch' => false,
			'unwatch' => false
		);
	}

	public function getParamDescription() {
		return array (
			'from' => 'Title of the page you want to move.',
			'to' => 'Title you want to rename the page to.',
			'token' => 'A move token previously retrieved through prop=info',
			'reason' => 'Reason for the move (optional).',
			'movetalk' => 'Move the talk page, if it exists.',
			'noredirect' => 'Don\'t create a redirect',
			'watch' => 'Add the page and the redirect to your watchlist',
			'unwatch' => 'Remove the page and the redirect from your watchlist'
		);
	}

	public function getDescription() {
		return array(
			'Moves a page.'
		);
	}

	protected function getExamples() {
		return array (
			'api.php?action=move&from=Exampel&to=Example&token=123ABC&reason=Misspelled%20title&movetalk&noredirect'
		);
	}

	public function getVersion() {
		return __CLASS__ . ': $Id: ApiMove.php 35619 2008-05-30 19:59:47Z btongminh $';
	}
}