private async Task <bool> EvaluateExpressionInput(ITurnContext turnContext, RequestState requestState)
{
var res = false;
var text = turnContext.Activity.Text;
var curLink = requestState.CurrentLink;
ActionLink actionResult;
ExpEvalResultType op = curLink.NeuralExp.Next(text, out actionResult);
switch (op)
{
case ExpEvalResultType.Skipped:
case ExpEvalResultType.False:
case ExpEvalResultType.True:
{
if (op == ExpEvalResultType.Skipped)
{
await SendNotes(curLink, turnContext);
}
switch (actionResult.Type)
{
case LinkType.NeuralLink:
{
var link = await DbLinkCollection.FindOneById(actionResult.LinkId);
if (link != null)
{
curLink = link;
requestState.StepForward(curLink);
await SendResponseForCurrentNode(turnContext, requestState);
}
else
{
//Invalid expression evaluation link id.
await SendReply(turnContext, $"Invalid node information : '{actionResult.LinkId}',please report this issue to the bot administrator.", SuggestionExtension.GetCommonSuggestionActions());
}
}
break;
case LinkType.ActionLink:
{
var action = await DbActionCollection.FindOneById(actionResult.LinkId);
await turnContext.SendActivityAsync(action.BuildActionRespose(turnContext));
requestState.CurrentState = ChatStateType.RecordFeedback;
}
break;
case LinkType.NeuralResource:
{
var resource = await DbResourceCollection.FindOneById(actionResult.LinkId);
await turnContext.SendActivityAsync(resource.BuildResourceResponse(turnContext));
requestState.CurrentState = ChatStateType.RecordFeedback;
}
break;
default:
break;
}
if (requestState.CurrentState == ChatStateType.RecordFeedback)
{
await Task.Delay(1000).ContinueWith(async ct =>
{
await SendReply(turnContext, StringsProvider.TryGet(BotResourceKeyConstants.Feedback), SuggestionExtension.GetFeedbackSuggestionActions());
});
}
res = true;
}
break;
case ExpEvalResultType.Exception:
case ExpEvalResultType.Invalid:
{
await SendReply(turnContext, "Invalid input, please try again!", SuggestionExtension.GetCommonSuggestionActions("Exit:exit"));
requestState.CurrentState = ChatStateType.InvalidInput;
}
break;
case ExpEvalResultType.Empty: //TODO
{
await SendReply(turnContext, $"Evaluated empty expression of node : '{curLink._id}',please report this issue to the bot administrator.", SuggestionExtension.GetCommonSuggestionActions());
}
break;
default:
break;
}
return(res);
}
private async Task <ResponseType> TakeAction(ITurnContext turnContext, RequestState requestState)
{
var ret = ResponseType.Continue;
var text = turnContext.Activity.Text;
var curLink = requestState.CurrentLink;
switch (requestState.CurrentState)
{
case ChatStateType.Start:
{
await SendResponseForCurrentNode(turnContext, requestState);
}
break;
case ChatStateType.AdvanceChat:
{
if (string.IsNullOrWhiteSpace(text))
{
await SendReply(turnContext, StringsProvider.TryGet(BotResourceKeyConstants.InvalidInput), SuggestionExtension.GetCommonSuggestionActions());
}
else
{
string nextNodeId = null;
try
{
nextNodeId = requestState.PredictNode(text);
var nextLink = await DbLinkCollection.FindOneById(nextNodeId);
if (nextLink != null)
{
requestState.StepForward(nextLink);
await SendResponseForCurrentNode(turnContext, requestState);
}
else
{
await SendReply(turnContext, StringsProvider.TryGet(BotResourceKeyConstants.NoMatchFound), SuggestionExtension.GetCommonSuggestionActions());
}
}
catch (Exception e)
{
await SendReply(turnContext, $"ML prediction returned an error: '{e.Message}'. please report this issue to the bot administrator.", SuggestionExtension.GetCommonSuggestionActions("Exit:exit"));
}
}
}
break;
case ChatStateType.PickNode:
{
var nextLink = await DbLinkCollection.FindOneById(text);
if (nextLink == null)
{
await turnContext.SendActivityAsync(StringsProvider.TryGet(BotResourceKeyConstants.InvalidInput));
await SendResponseForCurrentNode(turnContext, requestState);
}
else
{
curLink = nextLink;
requestState.StepForward(curLink);
await SendResponseForCurrentNode(turnContext, requestState);
}
}
break;
case ChatStateType.RecordFeedback:
{
switch (text.ToLower())
{
case "yes":
{
var childLink = curLink;
NeuralLinkModel parentLink = null;
while (requestState.LinkHistory.TryPop(out parentLink))
{
await DbLinkCollection.UpdateNeuralRankById(parentLink._id, childLink._id);
childLink = parentLink;
}
ret = ResponseType.End;
}
break;
case "no":
ret = ResponseType.End;
break;
default:
await turnContext.SendActivityAsync(StringsProvider.TryGet(BotResourceKeyConstants.InvalidInput));
await SendReply(turnContext, StringsProvider.TryGet(BotResourceKeyConstants.Feedback), SuggestionExtension.GetFeedbackSuggestionActions());
break;
}
if (ret == ResponseType.End)
{
await turnContext.SendActivityAsync(StringsProvider.TryGet(BotResourceKeyConstants.ThankYouFeedback));
}
}
break;
case ChatStateType.InvalidInput:
case ChatStateType.ExpInput:
{
await EvaluateExpressionInput(turnContext, requestState);
}
break;
default:
break;
}
return(ret);
}
private async Task <bool> EvaluateExpressionInput(ITurnContext turnContext, RequestState requestState)
{
var res = false;
var text = turnContext.Activity.Text;
var curLink = requestState.CurrentLink;
ActionLink actionResult;
ExpEvalResultType op = curLink.NeuralExp.Next(text, out actionResult);
switch (op)
{
case ExpEvalResultType.Skipped:
case ExpEvalResultType.False:
case ExpEvalResultType.True:
{
switch (actionResult.Type)
{
case LinkType.NeuralLink:
{
var link = await DbLinkCollection.FindOneById(actionResult.LinkId);
if (link != null)
{
curLink = link;
requestState.StepForward(curLink);
await SendResponseForCurrentNode(turnContext, requestState);
}
else
{
//Invalid expression evaluation link id.
}
}
break;
case LinkType.ActionLink:
{
var action = await DbActionCollection.FindOneById(actionResult.LinkId);
await turnContext.SendActivityAsync(action.BuildActionRespose(turnContext));
await Task.Delay(1000).ContinueWith(async ct =>
{
await SendReply(turnContext, StringsProvider.TryGet(BotResourceKeyConstants.Feedback), SuggestionExtension.GetFeedbackSuggestionActions());
});
requestState.CurrentState = ChatStateType.RecordFeedback;
}
break;
case LinkType.NeuralResource:
break;
default:
break;
}
}
res = true;
break;
case ExpEvalResultType.Exception:
case ExpEvalResultType.Invalid:
{
await SendReply(turnContext, "Invalid input, Try again!", SuggestionExtension.GetCommonSuggestionActions());
requestState.CurrentState = ChatStateType.InvalidInput;
}
break;
case ExpEvalResultType.Empty: //TODO
default:
break;
}
return(res);
}