/// <inheritdoc/>
/// <summary>
/// Perform the necessary steps to subscribe to the target.
/// </summary>
/// <param name="masterController">The item this object will be subscribed to</param>
public override async Task Subscribe(ElevatorMasterController masterController)
{
if (this.Subscribed)
{
return;
}
var thisBtn = this.FloorButtons.FirstOrDefault(b =>
{
if (b is RequestButton r)
{
return(r.DestinationFloor == this.FloorNumber);
}
return(b.FloorNumber == this.FloorNumber);
});
// If the button is for this floor, just remove it
if (thisBtn != null)
{
this._floorButtons.Remove(thisBtn);
}
await base.Subscribe(masterController);
this.Subscribed = true;
}
/// <summary>
/// Subscribes this Button panel to the <see cref="ElevatorMasterController"/>
/// </summary>
/// <param name="parent"></param>
/// <returns></returns>
/// <inheritdoc/>
public override async Task Subscribe(ElevatorMasterController parent)
{
if (this.Subscribed)
{
return;
}
await Task.WhenAll(this.OpenDoorButton.Subscribe(parent.Elevator.Door), this.CloseDoorButton.Subscribe(parent.Elevator.Door));
await base.Subscribe(parent);
}
/// <inheritdoc/>
/// <summary>
/// Subscribes the specified controller.
/// </summary>
/// <param name="controller">The controller.</param>
/// <returns></returns>
public override Task Subscribe(ElevatorMasterController controller)
{
if (this.Subscribed)
{
return(Task.CompletedTask);
}
try
{
Elevator elevator = controller.Elevator;
// This should be handled by the Call panels
this.OnPushed += (a, floor) =>
{
try
{
Logger.LogEvent("Elevator Requested", ("From floor", this.FloorNumber));
// If the elevator's already here, open the door
if (elevator.CurrentFloor == this.FloorNumber &&
(elevator.State == ElevatorState.Arrived || elevator.State == ElevatorState.Idle))
{
if (elevator.Door.IsClosedOrClosing)
{
elevator.Door.RequestOpen();
}
}
else
{
// If the elevator isn't already here, tell it to come here
elevator.OnNext(new ElevatorCall(this.FloorNumber, this._requestDirection, false));
}
}
catch (Exception ex)
{
elevator.OnError(ex);
}
};
}
finally
{
this.Subscribed = true;
}
return(Task.CompletedTask);
}
/// <inheritdoc/>
/// <summary>
/// Subscribes this Button panel to the <see cref="T:ElevatorApp.Models.ElevatorMasterController"/>
/// </summary>
public virtual Task Subscribe(ElevatorMasterController parent)
{
if (this.Subscribed)
{
return(Task.CompletedTask);
}
Logger.LogEvent($"Subscribing {nameof(ButtonPanelBase)}");
this.Subscribe(parent.Elevator);
foreach (FloorButton floorButton in this.FloorButtons)
{
floorButton.Subscribe(parent);
}
this.Subscribed = true;
return(Task.CompletedTask);
}
