private async Task <DialogTurnResult> PromptForCityStepAsync(
WaterfallStepContext stepContext,
CancellationToken cancellationToken)
{
// Save name if prompted for
var greetingState = await GreetingStateAccessor.GetAsync(stepContext.Context, () => new GreetingState());
var args = stepContext.Result as string;
if (!string.IsNullOrWhiteSpace(args) && string.IsNullOrWhiteSpace(greetingState.Name))
{
greetingState.Name = args;
}
// Prompt for city if missing
if (string.IsNullOrWhiteSpace(greetingState.City))
{
var options = new PromptOptions
{
Prompt = new Activity
{
Type = ActivityTypes.Message,
Text = $"What city do you live in?",
},
};
return(await stepContext.PromptAsync(nameof(CityPrompt), options, cancellationToken));
}
else
{
return(await stepContext.NextAsync());
}
}
private async Task <DialogTurnResult> DisplayGreetingStateStepAsync(
WaterfallStepContext stepContext,
CancellationToken cancellationToken)
{
// Save city if it were prompted.
var greeting = await GreetingStateAccessor.GetAsync(stepContext.Context, () => new GreetingState());
var args = stepContext.Result as string;
if (string.IsNullOrWhiteSpace(greeting.City) && !string.IsNullOrWhiteSpace(args))
{
greeting.City = args;
await GreetingStateAccessor.SetAsync(stepContext.Context, greeting);
await stepContext.Context.SendActivityAsync($"Ok `{greeting.Name}`, I've got you living in `{greeting.City}`.");
await stepContext.Context.SendActivityAsync("I'll go ahead an update your profile with that information.");
}
else
{
await stepContext.Context.SendActivityAsync($"Hi `{greeting.Name}`, living in `{greeting.City}`,"
+ " I understand greetings and asking for help! Or start your connection over for a card.");
}
return(await stepContext.EndDialogAsync());
}
private async Task <DialogTurnResult> InitializeStateStepAsync(WaterfallStepContext stepContext, CancellationToken cancellationToken)
{
var greetingState = await GreetingStateAccessor.GetAsync(stepContext.Context, () => new GreetingState());
stepContext.Values[NameValue] = greetingState.Name;
stepContext.Values[CityValue] = greetingState.City;
return(await stepContext.NextAsync());
}
// Handle updates to entities.
protected override async Task <bool> ProcessUpdateEntitiesAsync(JObject entities, DialogContext dc, CancellationToken cancellationToken)
{
var greetingState = await GreetingStateAccessor.GetAsync(dc.Context, () => new GreetingState());
// Supported LUIS Entities
string[] userNameEntities = { "userName", "userName_paternAny" };
string[] userLocationEntities = { "userLocation", "userLocation_patternAny" };
var result = false;
if (entities != null && entities.HasValues)
{
// Update any entities
foreach (var name in userNameEntities)
{
// check if we found valid slot values in entities returned from LUIS
if (entities[name] != null)
{
greetingState.Name = (string)entities[name][0];
result = true;
break;
}
}
foreach (var city in userLocationEntities)
{
if (entities[city] != null)
{
greetingState.City = (string)entities[city][0];
result = true;
break;
}
}
// set the new values
await GreetingStateAccessor.SetAsync(dc.Context, greetingState);
}
return(result);
}