private static SpaceRequestType GetSpaceRequestType(RequestAttributes reqAttributes)
{
SpaceRequestType spaceReqType = SpaceRequestType.Help;
switch (reqAttributes.Type)
{
case RequestType.LaunchRequest:
spaceReqType = SpaceRequestType.GetFact;
break;
case RequestType.IntentRequest:
string intent = reqAttributes.Intent.Name;
if (intent.Equals("GetNewFactIntent", StringComparison.OrdinalIgnoreCase))
{
spaceReqType = SpaceRequestType.GetFact;
}
else if (intent.Equals("AMAZON.HelpIntent", StringComparison.OrdinalIgnoreCase))
{
spaceReqType = SpaceRequestType.Help;
}
else if (intent.Equals("AMAZON.Cancel", StringComparison.OrdinalIgnoreCase) ||
intent.Equals("AMAZON.Stop", StringComparison.OrdinalIgnoreCase))
{
spaceReqType = SpaceRequestType.Stop;
}
break;
}
return(spaceReqType);
}
private static SpaceRequestType GetSpaceRequestType(string intentName)
{
SpaceRequestType spaceReqType = SpaceRequestType.Help;
if (intentName.Equals("Default Welcome Intent", StringComparison.OrdinalIgnoreCase) ||
intentName.Equals("GetNewFactIntent", StringComparison.OrdinalIgnoreCase))
{
spaceReqType = SpaceRequestType.GetFact;
}
return(spaceReqType);
}
public static async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = null)] HttpRequest req,
ILogger log)
{
log.LogInformation("C# HTTP trigger function processed a request.");
#if !DEBUG
//https://developer.amazon.com/docs/custom-skills/host-a-custom-skill-as-a-web-service.html
IAlexaRequestVerifier reqVerifier = new AlexaCertificateVerifier();
bool isValid = false;
try
{
isValid = await reqVerifier.IsCertificateValidAsync(req);
}
catch (Exception ex)
{
log.LogError(ex, "Error processing certificate");
}
if (!isValid)
{
return(new BadRequestResult());
}
#endif
string textContent = null;
AlexaRequest alexaRequest = null;
try
{
using (StreamReader sr = new StreamReader(req.Body))
{
//This allows you to do one Read operation.
textContent = sr.ReadToEnd();
}
alexaRequest = JsonConvert.DeserializeObject <AlexaRequest>(textContent);
}
catch (Exception ex)
{
log.LogError(ex, $"Error processing alexa request: {textContent}");
}
if (alexaRequest == null)
{
return(new BadRequestResult());
}
SpaceRequestType spaceReqType = GetSpaceRequestType(alexaRequest.Request);
AlexaResponse alexaResp = null;
switch (spaceReqType)
{
case SpaceRequestType.GetFact:
// ProgressiveResponseManager progressiveManager = new ProgressiveResponseManager(log);
// await progressiveManager.SendProgressiveResponseAsync(alexaRequest, "Processing request");
Whetstone.Alexa.Security.AlexaUserDataManager userData = new AlexaUserDataManager(log);
string givenName = null;
bool isPermissionGiven = true;
try
{
givenName = await userData.GetAlexaUserGivenNameAsync(alexaRequest.Context.System.ApiEndpoint, alexaRequest.Context.System.ApiAccessToken);
}
catch (Exception ex)
{
isPermissionGiven = false;
}
string spaceFact = GetRandomFact();
string storageAccount = Environment.GetEnvironmentVariable("StorageAccount");
string spaceUrl = GetMediaAudioUrl(SCIFISOUNDFILE, storageAccount);
string audioTag = $"<audio src=\"{spaceUrl}\"/>";
string factText = null;
if (string.IsNullOrWhiteSpace(givenName))
{
factText = string.Concat(audioTag, GET_FACT_MESSAGE, spaceFact);
}
else
{
factText = string.Concat(audioTag, givenName, " ", GET_FACT_MESSAGE, spaceFact);
}
alexaResp = GetAlexaResponse(factText);
if (!isPermissionGiven)
{
AddPermissionRequest(alexaResp);
}
break;
case SpaceRequestType.Help:
alexaResp = GetAlexaResponse(HELP_MESSAGE, HELP_REPROMPT);
break;
case SpaceRequestType.Stop:
alexaResp = GetAlexaResponse(STOP_MESSAGE);
break;
}
return(new OkObjectResult(alexaResp));
}
