/**
* Watches or unwatches the entity.
*
* @note Keep in sync with logic in EditPage!
* @todo: move to separate service
*
* @param bool $watch whether to watch or unwatch the page.
*
* @throws MWException
*/
private function updateWatchlist($watch)
{
if ($this->getTitle() === null) {
throw new MWException('Title not yet known!');
}
$this->entityStore->updateWatchlist($this->user, $this->newEntity->getId(), $watch);
}
