public function addRequestAction($request)
{
$this->elevatorRepository = new ElevatorRepository("data/state");
$this->elevator = $this->elevatorRepository->getElevator();
$this->elevator->addRequest(new ElevatorRequest($request->from, $request->to));
$this->elevatorRepository->saveElevator($this->elevator);
return json_encode(["success" => "Request successfully received."]);
}
/** @retrun QueueService */
private function route(ElevatorRequest $request)
{
// Insert current elevator floor as a starting point
array_unshift($this->queue, $this->elevator->getCurrentFloor());
// Find the best place and insert source request (where to pick up)
$position = $this->insertRequest(0, $request->getSourceFloor());
// Find the best place after picking-up to land
$this->insertRequest($position, $request->getTargetFloor());
// Remove current elevator floor after successful routing
array_shift($this->queue);
return $this;
}
public function handleSignal(Elevator $elevator, $signal)
{
if ($signal === Elevator::STATE_DOOR_CLOSE) {
if ($elevator->isDoorOpen()) {
$state = Elevator::STATE_STANDING;
} else {
$state = NULL;
}
} else {
$state = $this->delegate($elevator, $signal);
}
return $state;
}
public function handleSignal(Elevator $elevator, $signal)
{
if ($signal === Elevator::STATE_DOOR_OPEN) {
if ($elevator->isDoorOpen() || $elevator->isStanding()) {
$state = Elevator::STATE_DOOR_OPEN;
} else {
throw new Exception("Elevator is on it's way. Can not open door right now, sorry!");
}
} else {
$state = $this->delegate($elevator, $signal);
}
return $state;
}
public function handleSignal(Elevator $elevator, $signal)
{
if ($signal === Elevator::STATE_ALARM) {
if ($elevator->isDoorOpen()) {
throw new Exception("Elevator has door open, why should you push an alarm button?");
} else {
$state = Elevator::STATE_ALARM;
}
} else {
$state = $this->delegate($elevator, $signal);
}
return $state;
}
