/// <summary>
/// Handler Lambda function for the alexa skill.
/// </summary>
/// <param name="alexaRequest">The alexa skill request.</param>
/// <param name="lambdaContext">The context of the executing lambda.</param>
/// <returns>The alexa response.</returns>
public AlexaResponse HandleAlexaSkillRequest(AlexaRequest alexaRequest, ILambdaContext lambdaContext)
{
AlexaResponse response;
switch (alexaRequest.RequestData.RequestType)
{
// Handle Launch request.
case AlexaRequestType.LaunchRequest:
AlexaLaunchRequest launchRequest = alexaRequest.RequestData as AlexaLaunchRequest;
if (Logger.IsEnabled(LogLevel.Debug))
{
Logger.LogDebug($"Recieved Alexa Launch Request: ID = {launchRequest.RequestId}");
}
response = HandleLaunchRequest(launchRequest, alexaRequest.Context, alexaRequest.Session);
break;
// Can not send response to session ended request.
case AlexaRequestType.SessionEndedRequest:
AlexaSessionEndedRequest sessionEndedRequest = alexaRequest.RequestData as AlexaSessionEndedRequest;
if (Logger.IsEnabled(LogLevel.Debug))
{
Logger.LogDebug($"Received Alexa Session Ended Request: ID = {sessionEndedRequest.RequestId}, Reason={sessionEndedRequest.Reason.ToString()}");
}
HandleSessionEndedRequest(sessionEndedRequest, alexaRequest.Context, alexaRequest.Session);
return(null);
case AlexaRequestType.IntentRequest:
AlexaIntentRequest intentRequest = alexaRequest.RequestData as AlexaIntentRequest;
if (Logger.IsEnabled(LogLevel.Debug))
{
string debug = $"Received Alexa Intent Request: ID = {intentRequest.RequestId}, ";
debug += $"IntentName = {intentRequest.Intent?.Name}, ";
if (intentRequest.Intent?.Slots != null)
{
debug += $"Slots = {string.Join(",", intentRequest.Intent?.Slots?.Keys)}, ";
debug += $"Slot Values = {string.Join(",", intentRequest.Intent?.Slots?.Values)}";
}
Logger.LogDebug(debug);
}
response = HandleIntentRequest(intentRequest, alexaRequest.Context, alexaRequest.Session);
break;
case AlexaRequestType.CanFulfillIntentRequest:
AlexaCanFulfillIntentRequest canFulfillIntentRequest = alexaRequest.RequestData as AlexaCanFulfillIntentRequest;
if (Logger.IsEnabled(LogLevel.Debug))
{
string debug = $"Received Can Fulfill Intent Request: ID = {canFulfillIntentRequest.RequestId}, ";
Logger.LogDebug(debug);
}
response = HandleCanFulfillIntentRequest(canFulfillIntentRequest, alexaRequest.Context, alexaRequest.Session);
break;
default:
Logger.LogError($"Received not implemented Alexa request type: {alexaRequest.RequestData.RequestType}");
throw new NotImplementedException($"{alexaRequest.RequestData.RequestType} is not yet implemented.");
}
return(response);
}
public override AlexaResponse HandleCanFulfillIntentRequest(AlexaCanFulfillIntentRequest canFulfillIntentRequest, AlexaContext context, AlexaSession session)
{
AlexaResponse alexaResponse = new AlexaResponse();
PlainTextOutputSpeech plainText = new PlainTextOutputSpeech
{
Text = "AlexaCanFulfillIntentRequest"
};
AlexaResponseData responseData = new AlexaResponseData
{
OutputSpeech = plainText
};
alexaResponse.Response = responseData;
return(alexaResponse);
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
JToken jObject = JToken.ReadFrom(reader);
AlexaRequestType requestType;
try
{
requestType = jObject["type"].ToObject <AlexaRequestType>();
}
catch (ArgumentException ae)
{
throw new JsonSerializationException(ae.Message);
}
AlexaRequestDataBase result;
switch (requestType)
{
case AlexaRequestType.LaunchRequest:
result = new AlexaLaunchRequest();
break;
case AlexaRequestType.SessionEndedRequest:
result = new AlexaSessionEndedRequest();
break;
case AlexaRequestType.CanFulfillIntentRequest:
result = new AlexaCanFulfillIntentRequest();
break;
case AlexaRequestType.IntentRequest:
result = new AlexaIntentRequest();
break;
default:
throw new ArgumentOutOfRangeException($"Request type {requestType} is not a valid Alexa request type.");
}
serializer.Populate(jObject.CreateReader(), result);
return(result);
}
/// <summary>
/// Function to handle Alexa can fullfill intent requests.
/// </summary>
/// <param name="canFulfillIntentRequest">The alexa can fulfill intent request.</param>
/// <param name="context">Context of the Alexa execution.</param>
/// <param name="session">Current Alexa session.</param>
/// <returns>The Alexa response.</returns>
public virtual AlexaResponse HandleCanFulfillIntentRequest(
AlexaCanFulfillIntentRequest canFulfillIntentRequest,
AlexaContext context,
AlexaSession session)
=> throw new NotImplementedException("HandleCanFulfillIntentRequest not yet implemented.");
