public T GetFieldAnswer <T>(string fieldName)
{
var answer = GetFieldAnswerValue(fieldName);
if (answer == null)
{
return(default(T));
}
// Special handling for JArray caused by serialization of the data
if (answer is JArray jarrayAnswer)
{
return((jarrayAnswer).ToObject <T>());
}
if (answer is T)
{
return((T)answer);
}
try
{
return(ScriptHelpers.ConvertToType <T>(answer));
}
catch (JsonReaderException)
{
}
return((T)Convert.ChangeType(answer, typeof(T)));
}
public Task <ErrorHandlerResult> ProcessErrorHandler(ChatModel chatModel, ChatFlowStep chatFlowStep)
{
if (!initialized)
{
throw new ApplicationException("ChatScriptManager is not initialized. Call Initialize()");
}
string script = chatFlowStep.ErrorHandler;
ChatVariables globalFields = chatModel.CurrentState.GlobalAnswers;
ChatVariables flowFields = chatModel.CurrentState.GetFlowAnswers(chatFlowStep.Flow);
if (AwsUtilityMethods.IsRunningOnAWS)
{
AWSXRayRecorder.Instance.BeginSubsegment("Script: Process Parser Error Handler");
}
try
{
return(Task.FromResult(
RunScript <ErrorHandlerResult>((engine, globalValues, flowValues) =>
{
dynamic result = engine.Evaluate(script);
if (result == null)
{
return null;
}
ConvertFieldsToNative(globalFields, globalValues, true);
ConvertFieldsToNative(flowFields, flowValues, false);
return ScriptHelpers.ConvertToType <ErrorHandlerResult>(result);
}, globalFields, flowFields, null)
));
}
catch (Exception ex)
{
if (AwsUtilityMethods.IsRunningOnAWS)
{
AWSXRayRecorder.Instance.AddException(ex);
}
logger.ErrorFormat("Script: Process Parser Error Handler Error. '{0}'", ex.Message);
throw;
}
finally
{
if (AwsUtilityMethods.IsRunningOnAWS)
{
AWSXRayRecorder.Instance.EndSubsegment();
}
}
}