public function onView()
{
// TODO: use $this->useTransactionalTimeLimit(); when POST only
wfTransactionalTimeLimit();
$details = null;
$request = $this->getRequest();
$user = $this->getUser();
$result = $this->page->doRollback($request->getVal('from'), $request->getText('summary'), $request->getVal('token'), $request->getBool('bot'), $details, $this->getUser());
if (in_array(array('actionthrottledtext'), $result)) {
throw new ThrottledError();
}
if (isset($result[0][0]) && ($result[0][0] == 'alreadyrolled' || $result[0][0] == 'cantrollback')) {
$this->getOutput()->setPageTitle($this->msg('rollbackfailed'));
$errArray = $result[0];
$errMsg = array_shift($errArray);
$this->getOutput()->addWikiMsgArray($errMsg, $errArray);
if (isset($details['current'])) {
/** @var Revision $current */
$current = $details['current'];
if ($current->getComment() != '') {
$this->getOutput()->addHTML($this->msg('editcomment')->rawParams(Linker::formatComment($current->getComment()))->parse());
}
}
return;
}
#NOTE: Permission errors already handled by Action::checkExecute.
if ($result == array(array('readonlytext'))) {
throw new ReadOnlyError();
}
#XXX: Would be nice if ErrorPageError could take multiple errors, and/or a status object.
# Right now, we only show the first error
foreach ($result as $error) {
throw new ErrorPageError('rollbackfailed', $error[0], array_slice($error, 1));
}
/** @var Revision $current */
$current = $details['current'];
$target = $details['target'];
$newId = $details['newid'];
$this->getOutput()->setPageTitle($this->msg('actioncomplete'));
$this->getOutput()->setRobotPolicy('noindex,nofollow');
$old = Linker::revUserTools($current);
$new = Linker::revUserTools($target);
$this->getOutput()->addHTML($this->msg('rollback-success')->rawParams($old, $new)->parseAsBlock());
if ($user->getBoolOption('watchrollback')) {
$user->addWatch($this->page->getTitle(), WatchedItem::IGNORE_USER_RIGHTS);
}
$this->getOutput()->returnToMain(false, $this->getTitle());
if (!$request->getBool('hidediff', false) && !$this->getUser()->getBoolOption('norollbackdiff', false)) {
$contentHandler = $current->getContentHandler();
$de = $contentHandler->createDifferenceEngine($this->getContext(), $current->getId(), $newId, false, true);
$de->showDiff('', '');
}
}
/**
* Call wfTransactionalTimeLimit() if this request was POSTed
* @since 1.26
*/
protected function useTransactionalTimeLimit()
{
if ($this->getRequest()->wasPosted()) {
wfTransactionalTimeLimit();
}
}
