/// <summary>
/// Turn the coffee machine on.
/// </summary>
/// <param name="customMinutesToTurnOff">A custom time in milliseconds to turn of the machine
/// if automatic turn off mode is switched on.</param>
private void TurnOnCoffeeMachine(int customMinutesToTurnOff = 0)
{
// If delay timer was running, dispose it at this point
TurnOnCoffeeMachineTimer?.Dispose();
this.MachineState = CoffeeMachineState.Brewing;
Ports.Led.Write(true);
Ports.Relay.Write(false);
// Setup automatic turn off if requested by the client.
if (TurnOffMode == TurnOffMode.Automatic)
{
// Check if request is overriding previous request and dispose
// previous turn off timer in that case.
TurnOffCoffeeTimer?.Dispose();
TimeSpan dueTime = new TimeSpan(0, customMinutesToTurnOff <= 0 ? TURN_OFF_MIN_DEFAULT : customMinutesToTurnOff, 0);
TurningMachineOffAt = DateTime.Now.AddTicks(dueTime.Ticks);
TurnOffCoffeeTimer = new Timer((obj) => { TurnOffCoffeeMachine(); }, null, dueTime, dueTime);
}
else
{
// Check if request is overriding previous request and dispose
// previous turn off timer in that case.
TurnOffCoffeeTimer?.Dispose();
}
}
/// <summary>
/// Request to turn the coffee machine on.
/// </summary>
/// <param name="turnOffMode"></param>
/// <param name="customMsToTurnOff">A custom time in milliseconds to turn of the machine
/// if automatic turn off mode is switched on.</param>
/// <param name="delayBrewingByMinutes">The delay in milliseconds, befor turning the coffee machine on.</param>
public void RequestTurnOnCoffeeMachine(TurnOffMode turnOffMode = TurnOffMode.Automatic,
int customMinutesToTurnOff = 0, int delayBrewingByMinutes = 0)
{
TurnOffMode = turnOffMode;
// Delay the brewing if requested and the machine was not already in brewing mode
if (delayBrewingByMinutes > 0 && MachineState != CoffeeMachineState.Brewing)
{
// Check if request is overriding previous request and dispose
// previous turn on timer in that case.
TurnOnCoffeeMachineTimer?.Dispose();
this.MachineState = CoffeeMachineState.TimedForActivation;
BrewingCoffeeAt = DateTime.Now.AddMinutes(delayBrewingByMinutes);
TimeSpan dueTime = new TimeSpan(0, delayBrewingByMinutes, 0);
TurnOnCoffeeMachineTimer = new Timer((obj) => { TurnOnCoffeeMachine(customMinutesToTurnOff); },
null, dueTime, dueTime);
}
else
{
// Check if request is overriding previous request and dispose
// previous turn on timer in that case.
TurnOnCoffeeMachineTimer?.Dispose();
TurnOnCoffeeMachine(customMinutesToTurnOff);
}
}
/// <summary>
/// Request to turn the coffee machine off and all delayed processes.
/// </summary>
public void RequestTurnOffCoffeeMachine()
{
// Release and stop the delayed brewing
TurnOnCoffeeMachineTimer?.Dispose();
BrewingCoffeeAt = DateTime.MinValue;
// Finally turn the machine off
TurnOffCoffeeMachine();
}
public void RequestChangeBrewingDelay(int minutes)
{
if (MachineState == CoffeeMachineState.TimedForActivation)
{
var delay = BrewingCoffeeAt.AddMinutes(minutes);
TimeSpan dueDate;
if (delay < DateTime.Now)
{
dueDate = new TimeSpan(0, 0, 0, 0, 1);
}
else
{
BrewingCoffeeAt = delay;
dueDate = delay - DateTime.Now;
}
TurnOnCoffeeMachineTimer.Change(dueDate, dueDate.Add(new TimeSpan(1, 0, 0)));
}
}
