Call::createChildCallAction

public function createChildCallAction($parentId, $newProvider, $newUsers)
{
	$currentUserId = $this->getCurrentUser()->getId();

	$parentCall = Registry::getCallWithId($parentId);
	if (!$parentCall)
	{
		$this->addError(new Error(Loc::getMessage("IM_REST_CALL_ERROR_CALL_NOT_FOUND"), "call_not_found"));
		return null;
	}

	if(!$this->checkCallAccess($parentCall, $currentUserId))
	{
		$this->errorCollection[] = new Error("You do not have access to the parent call", "access_denied");
		return null;
	}

	$childCall = $parentCall->makeClone($newProvider);

	$initiator = $childCall->getUser($currentUserId);
	$initiator->updateState(CallUser::STATE_READY);
	$initiator->updateLastSeen(new DateTime());

	foreach ($newUsers as $userId)
	{
		if(!$childCall->hasUser($userId))
		{
			$childCall->addUser($userId)->updateState(CallUser::STATE_CALLING);
		}
	}

	$users = $childCall->getUsers();
	return array(
		'call' => $childCall->toArray(),
		'connectionData' => $childCall->getConnectionData($currentUserId),
		'users' => $users,
		'userData' => Util::getUsers($users),
		'logToken' => $childCall->getLogToken($currentUserId)
	);
}