AccessChecker::checkViewAccess

static function checkViewAccess(ErrorCollection $collection, User $user = null)
{
	$user = $user ?: User::current();
	if (!$user->canView())
	{
		$collection->setError(new Error(
			self::getMessage(self::ERR_CODE_VIEW),
			self::ERR_CODE_VIEW
		));
		return false;
	}

	return true;
}