/// <summary>
///
/// </summary>
/// <param name="json"></param>
/// <returns></returns>
public static SpeechletRequestEnvelope FromJson(JObject json)
{
if (json["version"] != null && json["version"].Value <string>() != Sdk.VERSION)
{
throw new SpeechletException("Request must conform to 1.0 schema.");
}
SpeechletRequest request;
var requestJson = json.Value <JObject>("request");
var requestTypeParts = requestJson?.Value <string>("type")?.Split('.');
if (requestTypeParts == null)
{
throw new ArgumentException("json");
}
var requestType = requestTypeParts[0];
var requestSubType = requestTypeParts.Length > 1 ? requestTypeParts[1] : null;
var requestId = requestJson?.Value <string>("requestId");
var timestamp = DateTimeHelpers.FromAlexaTimestamp(requestJson);
var locale = requestJson?.Value <string>("locale");
switch (requestType)
{
case "LaunchRequest":
request = new LaunchRequest(requestId, timestamp, locale);
break;
case "IntentRequest":
IntentRequest.DialogStateEnum dialogState = IntentRequest.DialogStateEnum.NONE;
Enum.TryParse(requestJson.Value <string>("dialogState"), out dialogState);
var intent = Intent.FromJson(requestJson.Value <JObject>("intent"));
request = new IntentRequest(requestId, timestamp, locale, intent, dialogState);
break;
case "SessionStartedRequest":
request = new SessionStartedRequest(requestId, timestamp, locale);
break;
case "SessionEndedRequest":
SessionEndedRequest.ReasonEnum reason = SessionEndedRequest.ReasonEnum.NONE;
Enum.TryParse(requestJson.Value <string>("reason"), out reason);
request = new SessionEndedRequest(requestId, timestamp, locale, reason);
break;
case "AudioPlayer":
var token = requestJson?.Value <string>("token");
var offset = requestJson?.Value <long>("offsetInMilliseconds") ?? 0;
var playbackError = Error.FromJson(requestJson?.Value <JObject>("error"));
var currentPlaybackState = PlaybackState.FromJson(requestJson?.Value <JObject>("currentPlaybackState"));
switch (requestSubType)
{
case "PlaybackFailed":
request = new AudioPlayerPlaybackFailedRequest(requestId, timestamp, locale, requestSubType, token, playbackError, currentPlaybackState);
break;
default:
request = new AudioPlayerRequest(requestId, timestamp, locale, requestSubType, token, offset);
break;
}
break;
case "PlaybackController":
request = new PlaybackControllerRequest(requestId, timestamp, locale, requestSubType);
break;
case "Display":
var listItemToken = requestJson?.Value <string>("token");
request = new DisplayRequest(requestId, timestamp, locale, requestSubType, listItemToken);
break;
case "System":
switch (requestSubType)
{
case "ExceptionEncountered":
var error = Error.FromJson(requestJson?.Value <JObject>("error"));
var cause = Cause.FromJson(requestJson?.Value <JObject>("cause"));
request = new SystemExceptionEncounteredRequest(requestId, timestamp, locale, requestSubType, error, cause);
break;
default:
throw new ArgumentException("json");
}
break;
default:
throw new ArgumentException("json");
}
return(new SpeechletRequestEnvelope {
Request = request,
Session = Session.FromJson(json.Value <JObject>("session")),
Version = json.Value <string>("version"),
Context = Context.FromJson(json.Value <JObject>("context"))
});
}
private static SpeechletRequest RequestFromJson(JObject json)
{
SpeechletRequest request;
var requestTypeParts = json?.Value <string>("type")?.Split('.');
if (requestTypeParts == null)
{
throw new ArgumentException("json");
}
var requestType = requestTypeParts[0];
var requestSubType = requestTypeParts.Length > 1 ? requestTypeParts[1] : null;
var requestId = json.Value <string>("requestId");
var timestamp = DateTimeHelpers.FromAlexaTimestamp(json);
var locale = json.Value <string>("locale");
switch (requestType)
{
case "LaunchRequest":
request = new LaunchRequest(requestId, timestamp, locale);
break;
case "IntentRequest":
IntentRequest.DialogStateEnum dialogState = IntentRequest.DialogStateEnum.NONE;
Enum.TryParse(json.Value <string>("dialogState"), out dialogState);
var intent = Intent.FromJson(json.Value <JObject>("intent"));
request = new IntentRequest(requestId, timestamp, locale, intent, dialogState);
break;
case "SessionStartedRequest":
request = new SessionStartedRequest(requestId, timestamp, locale);
break;
case "SessionEndedRequest":
SessionEndedRequest.ReasonEnum reason = SessionEndedRequest.ReasonEnum.NONE;
Enum.TryParse(json.Value <string>("reason"), out reason);
var sessionError = Error.FromJson(json.Value <JObject>("error"));
request = new SessionEndedRequest(requestId, timestamp, locale, reason, sessionError);
break;
case "AudioPlayer":
var token = json.Value <string>("token");
var offset = json.Value <long?>("offsetInMilliseconds");
var playbackError = Error.FromJson(json.Value <JObject>("error"));
var currentPlaybackState = PlaybackState.FromJson(json.Value <JObject>("currentPlaybackState"));
switch (requestSubType)
{
case "PlaybackFailed":
request = new AudioPlayerPlaybackFailedRequest(requestId, timestamp, locale, requestSubType, token, playbackError, currentPlaybackState);
break;
default:
request = new AudioPlayerRequest(requestId, timestamp, locale, requestSubType, token, offset);
break;
}
break;
case "PlaybackController":
request = new PlaybackControllerRequest(requestId, timestamp, locale, requestSubType);
break;
case "Display":
var listItemToken = json.Value <string>("token");
request = new DisplayRequest(requestId, timestamp, locale, requestSubType, listItemToken);
break;
case "System":
switch (requestSubType)
{
case "ExceptionEncountered":
var systemError = Error.FromJson(json.Value <JObject>("error"));
var cause = Cause.FromJson(json.Value <JObject>("cause"));
request = new SystemExceptionEncounteredRequest(requestId, timestamp, locale, requestSubType, systemError, cause);
break;
default:
throw new ArgumentException("json");
}
break;
default:
throw new ArgumentException("json");
}
return(request);
}