/// <summary>
/// Send signal to the browser to current real time elevator movement
/// </summary>
/// <param name="elevator"></param>
private void SendSignalToElevator(Domain.Entities.Elevator elevator)
{
var context = GlobalHost.ConnectionManager.GetHubContext <ElevatorHub>();
var elevatorStr = JsonConvert.SerializeObject(elevator);
context.Clients.All.addMessage(elevatorStr);
}
/// <summary>
/// Stop elevator in the destination
/// </summary>
/// <param name="elevator"></param>
/// <param name="floor"></param>
private void StayIdle(Domain.Entities.Elevator elevator, Floor floor)
{
elevator.Direction = Direction.Idle;
elevator.TotalPeople = 0;
_elevatorRepository.Update(elevator);
SendSignalToElevator(elevator);
}
/// <summary>
/// Private method that will descend elevator to the destination
/// </summary>
/// <param name="elevator"></param>
/// <param name="floor"></param>
/// <param name="from"></param>
/// <param name="to"></param>
private void Descend(Domain.Entities.Elevator elevator, Floor floor, Int16 from, Int16 to)
{
elevator.Direction = Direction.Down;
for (var i = from - 1; i >= to; i--)
{
elevator.CurrentFloor = (short)i;
_elevatorRepository.Update(elevator);
SendSignalToElevator(elevator);
Wait();
}
}
/// <summary>
/// Update current Elevator to db
/// </summary>
/// <param name="elevator"></param>
/// <returns></returns>
public bool Update(Domain.Entities.Elevator elevator)
{
using (var context = new ElevatorContext())
{
context.Elevators.Attach(elevator);
var entry = context.Entry(elevator);
entry.State = EntityState.Modified;
context.SaveChanges();
return(true);
}
}
/// <summary>
/// Private method to move elevator to the requested floor
/// </summary>
/// <param name="elevator"></param>
/// <param name="floor"></param>
private void GoToCurrentFloor(Domain.Entities.Elevator elevator, Floor floor)
{
if (elevator.CurrentFloor < floor.CurrentFloor)
{
//if elevator is down, then go up to destination floor
Ascend(elevator, floor, elevator.CurrentFloor, floor.CurrentFloor);
}
else
{
//if elevator is up, then go down to destination floor
Descend(elevator, floor, elevator.CurrentFloor, floor.CurrentFloor);
}
}
/// <summary>
/// Update current Elevator to db
/// </summary>
/// <param name="elevator"></param>
/// <returns></returns>
public bool Update(Domain.Entities.Elevator elevator)
{
using (var context = new ElevatorContext())
{
context.Elevators.Attach(elevator);
var entry = context.Entry(elevator);
entry.State = EntityState.Modified;
context.SaveChanges();
//log call
_loggingService.Info("Elevator.Infrastructure.Data.Repositories: ElevatorRepository.Update");
return(true);
}
}
/// <summary>
/// Pick People from the floor
/// </summary>
/// <param name="elevator"></param>
/// <param name="floor"></param>
private void PickPeople(Domain.Entities.Elevator elevator, Floor floor)
{
elevator.TotalPeople += floor.TotalPeople;
_elevatorRepository.Update(elevator);
}