public ControlResponse Control(ControlRequest alexaRequest)
{
//IPremiseObject PremiseServer.HomeObject, rootObject;
var response = new ControlResponse();
#region CheckRequest
if ((alexaRequest == null) || (alexaRequest.header == null) || (alexaRequest.header.payloadVersion != "2"))
{
response.header.@namespace = Faults.Namespace;
response.header.name = Faults.UnexpectedInformationReceivedError;
response.payload.exception = new ExceptionResponsePayload
{
faultingParameter = "alexaRequest"
};
return(response);
}
#endregion CheckRequest
#region BuildResponse
try
{
response.header.messageId = alexaRequest.header.messageId;
response.header.@namespace = alexaRequest.header.@namespace;
response.header.name = alexaRequest.header.name.Replace("Request", "Confirmation");
}
catch (Exception)
{
response.header.@namespace = Faults.Namespace;
response.header.name = Faults.UnexpectedInformationReceivedError;
response.payload.exception = new ExceptionResponsePayload
{
faultingParameter = "alexaRequest.header.name"
};
return(response);
}
#endregion BuildResponse
//SYSClient client = new SYSClient();
#region ConnectToPremise
if (PremiseServer.HomeObject == null)
{
response.header.@namespace = Faults.Namespace;
response.header.name = Faults.DependentServiceUnavailableError;
response.payload.exception = new ExceptionResponsePayload
{
dependentServiceName = "Premise Server"
};
return(response);
}
#endregion ConnectToPremise
try
{
if (!CheckAccessToken(alexaRequest.payload.accessToken).GetAwaiter().GetResult())
{
response.header.@namespace = Faults.Namespace;
response.header.name = Faults.InvalidAccessTokenError;
response.payload.exception = new ExceptionResponsePayload();
return(response);
}
InformLastContact("ControlRequest:" + alexaRequest.payload.appliance.additionalApplianceDetails.path).GetAwaiter().GetResult();
// check request types
ControlRequestType requestType = ControlRequestType.Unknown;
DeviceType deviceType = DeviceType.Unknown;
string command = alexaRequest.header.name.Trim().ToUpper();
switch (command)
{
case "TURNOFFREQUEST":
requestType = ControlRequestType.TurnOffRequest;
deviceType = DeviceType.OnOff;
break;
case "TURNONREQUEST":
requestType = ControlRequestType.TurnOnRequest;
deviceType = DeviceType.OnOff;
break;
case "SETTARGETTEMPERATUREREQUEST":
requestType = ControlRequestType.SetTargetTemperature;
deviceType = DeviceType.Thermostat;
break;
case "INCREMENTTARGETTEMPERATUREREQUEST":
requestType = ControlRequestType.IncrementTargetTemperature;
deviceType = DeviceType.Thermostat;
break;
case "DECREMENTTARGETTEMPERATUREREQUEST":
requestType = ControlRequestType.DecrementTargetTemperature;
deviceType = DeviceType.Thermostat;
break;
case "SETPERCENTAGEREQUEST":
requestType = ControlRequestType.SetPercentage;
deviceType = DeviceType.Dimmer;
break;
case "INCREMENTPERCENTAGEREQUEST":
requestType = ControlRequestType.IncrementPercentage;
deviceType = DeviceType.Dimmer;
break;
case "DECREMENTPERCENTAGEREQUEST":
requestType = ControlRequestType.DecrementPercentage;
deviceType = DeviceType.Dimmer;
break;
case "SETCOLORREQUEST":
requestType = ControlRequestType.SetColorRequest;
deviceType = DeviceType.ColorLight;
break;
case "SETCOLORTEMPERATUREREQUEST":
requestType = ControlRequestType.SetColorTemperatureRequest;
deviceType = DeviceType.ColorLight;
break;
case "INCREMENTCOLORTEMPERATUREREQUEST":
requestType = ControlRequestType.IncrementColorTemperature;
deviceType = DeviceType.ColorLight;
break;
case "DECREMENTCOLORTEMPERATUREREQUEST":
requestType = ControlRequestType.DecrementColorTemperature;
deviceType = DeviceType.ColorLight;
break;
default:
response.header.@namespace = Faults.Namespace;
response.header.name = Faults.UnsupportedOperationError;
response.payload.exception = new ExceptionResponsePayload();
return(response);
}
// get the object
IPremiseObject applianceToControl = null;
try
{
Guid premiseId = new Guid(alexaRequest.payload.appliance.applianceId);
applianceToControl = PremiseServer.RootObject.GetObject(premiseId.ToString("B")).GetAwaiter().GetResult();
if (applianceToControl == null)
{
throw new Exception();
}
}
catch
{
response.header.@namespace = Faults.Namespace;
response.header.name = Faults.NoSuchTargetError;
response.payload.exception = new ExceptionResponsePayload();
return(response);
}
if (deviceType == DeviceType.OnOff)
{
switch (requestType)
{
case ControlRequestType.TurnOnRequest:
applianceToControl.SetValue("PowerState", "True").GetAwaiter().GetResult();
break;
case ControlRequestType.TurnOffRequest:
applianceToControl.SetValue("PowerState", "False").GetAwaiter().GetResult();
break;
default:
break;
}
}
else if (deviceType == DeviceType.Dimmer)
{
double currentValue = 0.0;
double adjustValue = 0.0;
double valueToSend = 0.0;
switch (requestType)
{
case ControlRequestType.SetPercentage:
// obtain the adjustValue
adjustValue = Math.Round(double.Parse(alexaRequest.payload.percentageState.value), 2).LimitToRange(0.00, 100.00);
// convert from percentage and maintain fractional accuracy
valueToSend = Math.Round(adjustValue / 100.00, 4);
applianceToControl.SetValue("Brightness", valueToSend.ToString()).GetAwaiter().GetResult();
break;
case ControlRequestType.IncrementPercentage:
// obtain the adjustValue
adjustValue = Math.Round(double.Parse(alexaRequest.payload.deltaPercentage.value) / 100.00, 2).LimitToRange(0.00, 100.00);
currentValue = Math.Round(applianceToControl.GetValue <Double>("Brightness").GetAwaiter().GetResult(), 2);
// maintain fractional accuracy
valueToSend = Math.Round(currentValue + adjustValue, 2).LimitToRange(0.00, 1.00);
applianceToControl.SetValue("Brightness", valueToSend.ToString()).GetAwaiter().GetResult();
break;
case ControlRequestType.DecrementPercentage:
// obtain the adjustValue
adjustValue = Math.Round(double.Parse(alexaRequest.payload.deltaPercentage.value) / 100.00, 2).LimitToRange(0.00, 100.00);
currentValue = Math.Round(applianceToControl.GetValue <Double>("Brightness").GetAwaiter().GetResult(), 2);
// maintain fractional accuracy
valueToSend = Math.Round(currentValue - adjustValue, 2).LimitToRange(0.00, 1.00);
applianceToControl.SetValue("Brightness", valueToSend.ToString()).GetAwaiter().GetResult();
break;
default:
break;
}
}
else if (deviceType == DeviceType.ColorLight)
{
const double adjustValue = 100.0;
double currentValue = 0.0;
double valueToSend = 0.0;
response.payload.achievedState = new AchievedState();
switch (requestType)
{
case ControlRequestType.SetColorRequest:
// obtain the adjustValue
double hue = Math.Round(alexaRequest.payload.color.hue.LimitToRange(0, 360), 1);
double saturation = Math.Round(alexaRequest.payload.color.saturation, 4);
double brightness = Math.Round(alexaRequest.payload.color.brightness, 4);
// set the values
applianceToControl.SetValue("Hue", hue.ToString()).GetAwaiter().GetResult();
applianceToControl.SetValue("Saturation", saturation.ToString()).GetAwaiter().GetResult();
applianceToControl.SetValue("Brightness", brightness.ToString()).GetAwaiter().GetResult();
// read them back for achieved state
response.payload.achievedState.color = new ApplianceColorValue
{
hue = Math.Round(applianceToControl.GetValue <Double>("Hue").GetAwaiter().GetResult(), 1),
saturation = Math.Round(applianceToControl.GetValue <Double>("Saturation").GetAwaiter().GetResult(), 4),
brightness = Math.Round(applianceToControl.GetValue <Double>("Brightness").GetAwaiter().GetResult(), 4)
};
break;
case ControlRequestType.SetColorTemperatureRequest:
valueToSend = alexaRequest.payload.colorTemperature.value.LimitToRange(1000, 10000);
// set the value
applianceToControl.SetValue("Temperature", Math.Round(valueToSend, 0).ToString()).GetAwaiter().GetResult();
// read it back
response.payload.achievedState.colorTemperature = new ApplianceColorTemperatureValue
{
value = applianceToControl.GetValue <int>("Temperature").GetAwaiter().GetResult()
};
break;
case ControlRequestType.IncrementColorTemperature:
currentValue = applianceToControl.GetValue <int>("Temperature").GetAwaiter().GetResult();
valueToSend = Math.Round(currentValue + adjustValue, 0).LimitToRange(1000, 10000);
// set the value
applianceToControl.SetValue("Temperature", valueToSend.ToString()).GetAwaiter().GetResult();
// read it back
response.payload.achievedState.colorTemperature = new ApplianceColorTemperatureValue
{
value = applianceToControl.GetValue <int>("Temperature").GetAwaiter().GetResult()
};
break;
case ControlRequestType.DecrementColorTemperature:
currentValue = Math.Round(applianceToControl.GetValue <Double>("Temperature").GetAwaiter().GetResult(), 2);
valueToSend = Math.Round(currentValue - adjustValue, 0).LimitToRange(1000, 10000);
// set the value
applianceToControl.SetValue("Temperature", valueToSend.ToString()).GetAwaiter().GetResult();
// read it back
response.payload.achievedState.colorTemperature = new ApplianceColorTemperatureValue
{
value = applianceToControl.GetValue <int>("Temperature").GetAwaiter().GetResult()
};
break;
default:
break;
}
}
else if (deviceType == DeviceType.Thermostat)
{
int previousTemperatureMode;
int temperatureMode;
Temperature previousTargetTemperature = null;
Temperature targetTemperature = null;
double deltaTemperatureC = 0.0; // in C
// obtain previous state (sys stores temperatures as K)
previousTemperatureMode = applianceToControl.GetValue <int>("TemperatureMode").GetAwaiter().GetResult();
previousTargetTemperature = new Temperature(applianceToControl.GetValue <double>("CurrentSetPoint").GetAwaiter().GetResult());
switch (requestType)
{
case ControlRequestType.SetTargetTemperature:
// get target temperature in C
targetTemperature = new Temperature
{
Celcius = double.Parse(alexaRequest.payload.targetTemperature.value)
};
break;
case ControlRequestType.IncrementTargetTemperature:
// get delta temp in C
deltaTemperatureC = double.Parse(alexaRequest.payload.deltaTemperature.value);
// increment the targetTemp
targetTemperature = new Temperature
{
Celcius = previousTargetTemperature.Celcius + deltaTemperatureC
};
break;
case ControlRequestType.DecrementTargetTemperature:
// get delta temp in C
deltaTemperatureC = double.Parse(alexaRequest.payload.deltaTemperature.value);
// decrement the targetTemp
targetTemperature = new Temperature
{
Celcius = previousTargetTemperature.Celcius - deltaTemperatureC
};
break;
default:
targetTemperature = new Temperature(0.00);
previousTemperatureMode = 10; // error
break;
}
// set new target temperature
applianceToControl.SetValue("CurrentSetPoint", targetTemperature.Kelvin.ToString()).GetAwaiter().GetResult();
response.payload.targetTemperature = new ApplianceValue
{
value = targetTemperature.Celcius.ToString()
};
// get new mode
temperatureMode = applianceToControl.GetValue <int>("TemperatureMode").GetAwaiter().GetResult();
// report new mode
response.payload.temperatureMode = new ApplianceValue
{
value = TemperatureMode.ModeToString(temperatureMode)
};
// alloc a previousState object
response.payload.previousState = new AppliancePreviousState
{
// report previous mode
mode = new ApplianceValue
{
value = TemperatureMode.ModeToString(previousTemperatureMode)
},
// report previous targetTemperature in C
targetTemperature = new ApplianceValue
{
value = previousTargetTemperature.Celcius.ToString()
}
};
}
else
{
response.header.@namespace = Faults.Namespace;
response.header.name = Faults.UnsupportedOperationError;
response.payload.exception = new ExceptionResponsePayload();
}
}
catch
{
response.header.@namespace = Faults.Namespace;
response.header.name = Faults.DriverpublicError;
response.payload.exception = new ExceptionResponsePayload();
}
return(response);
}
