public static void registerThermostat(AlexaThermostat device)
{
lock (devices)
{
devices.Add(device.applianceId, device);
}
}
public static AlexaThermostat GetThermostat(string applianceId)
{
AlexaThermostat device = DeviceList.GetDevice(applianceId) as AlexaThermostat;
if (device == null)
{
throw new Exception(String.Format(
"Device {0} is not a thermostat",
applianceId
));
}
return(device);
}
private Object HandleDecrementTargetTemperatureRequest(JObject request)
{
DeltaTargetTemperatureRequestPayload payload =
JsonConvert.DeserializeObject <DeltaTargetTemperatureRequestPayload>(
request["payload"].ToString()
);
AlexaThermostat device = DeviceList.GetThermostat(payload.Appliance.ApplianceId);
double targetTempC = device.targetTemperatureC - payload.DeltaTemperature.Value;
return(HandleTemperatureChangeRequest(
DirectiveName.DecrementTargetTemperatureConfirmation,
device,
targetTempC
));
}
private Object HandleGetTargetTemperatureRequest(
DirectiveName responseName,
AlexaThermostat device
)
{
TemperatureMode mode = new TemperatureMode()
{
Value = device.mode.ToString(),
};
GetTargetTemperatureResponsePayload payload;
if (device.mode == ThermostatMode.OFF)
{
payload = new GetTargetTemperatureResponsePayload()
{
TemperatureMode = mode
};
}
else
{
payload = new GetTargetTemperatureResponsePayload()
{
TargetTemperature = new TargetTemperature()
{
Value = device.targetTemperatureC,
},
TemperatureMode = mode
};
}
return(new Response()
{
Header = new Header()
{
Namespace = "Alexa.ConnectedHome.Query",
Name = responseName,
PayloadVersion = "2",
MessageID = Guid.NewGuid(),
},
Payload = payload,
});
}
private Object HandleGetTemperatureReadingRequest(
DirectiveName responseName,
AlexaThermostat device
)
{
return(new Response()
{
Header = new Header()
{
Namespace = "Alexa.ConnectedHome.Query",
Name = responseName,
PayloadVersion = "2",
MessageID = Guid.NewGuid(),
},
Payload = new GetTemperatureReadingResponsePayload()
{
TemperatureReading = new TargetTemperature()
{
Value = device.currentTemperatureC,
}
},
});
}
private Object HandleTemperatureChangeRequest(
DirectiveName responseName,
AlexaThermostat device,
double setTempC
)
{
if (device.mode == ThermostatMode.OFF)
{
return(new Response()
{
Header = new Header()
{
Namespace = "Alexa.ConnectedHome.Control",
Name = DirectiveName.UnwillingToSetValueError,
PayloadVersion = "2",
MessageID = Guid.NewGuid(),
},
Payload = new UnwillingToSetValueErrorPayload()
{
ErrorInfo = new ErrorInfo()
{
Code = "THERMOSTAT_IS_OFF",
Description = "Can't complete requested operation because the thermostat is off",
}
},
});
}
double setTempF = setTempC * 1.8 + 32.0;
ushort convertedTemp = Convert.ToUInt16(Math.Round(setTempF * 10.0, 0));
device.SetTemp(convertedTemp);
return(new Response()
{
Header = new Header()
{
Namespace = "Alexa.ConnectedHome.Control",
Name = responseName,
PayloadVersion = "2",
MessageID = Guid.NewGuid(),
},
Payload = new SetTargetTemperatureConfirmationPayload()
{
TargetTemperature = new TargetTemperature()
{
Value = setTempC,
},
TemperatureMode = new TemperatureMode()
{
Value = device.mode.ToString(),
},
PreviousState = new TargetTemperaturePreviousState()
{
TargetTemperature = new TargetTemperature()
{
Value = device.targetTemperatureC,
},
TemperatureMode = new TemperatureMode()
{
Value = device.mode.ToString(),
}
},
},
});
}