public AlexaResponse ProcessAlexaRequest(AlexaRequestPayload alexaRequestPayload)
{
// validate request time stamp and app id
// note that there is custom validation in the AlexaRequestValidationHandler
SpeechletRequestValidationResult validationResult = _alexaRequestValidationService.ValidateAlexaRequest(alexaRequestPayload);
if (validationResult == SpeechletRequestValidationResult.OK)
{
try
{
// transform request
AlexaRequest alexaRequest = _alexaRequestMapper.MapAlexaRequest(alexaRequestPayload);
// persist request and member
_alexaRequestPersistenceService.PersistAlexaRequestAndMember(alexaRequest);
// create a request handler strategy from the alexarequest
IAlexaRequestHandlerStrategy alexaRequestHandlerStrategy = _alexaRequestHandlerStrategyFactory.CreateAlexaRequestHandlerStrategy(alexaRequestPayload);
// use the handlerstrategy to process the request and generate a response
AlexaResponse alexaResponse = alexaRequestHandlerStrategy.HandleAlexaRequest(alexaRequestPayload);
// return response
return(alexaResponse);
}
catch (Exception exception)
{
// todo: log the error
return(new AlexaResponse("There was an error " + exception.Message));
//return new AlexaWordErrorResponse().GenerateCustomError();
}
}
return(null);
}
public IAlexaRequestHandlerStrategy CreateAlexaRequestHandlerStrategy(AlexaRequestPayload alexaRequest)
{
switch (alexaRequest.Request.Type)
{
case "LaunchRequest":
case "SessionEndedRequest":
IAlexaRequestHandlerStrategy strategy = _availableStrategies
.FirstOrDefault(s => s.SupportedRequestType == alexaRequest.Request.Type);
return(strategy);
case "IntentRequest":
IAlexaRequestHandlerStrategy intentStrategy = _availableStrategies
.FirstOrDefault(s => s.SupportedRequestIntentName == alexaRequest.Request.Intent.Name);
return(intentStrategy);
default:
throw new NotImplementedException();
}
}