/// <summary>
/// Prompt for Restaurant to book.
/// </summary>
/// <param name="sc">Waterfall Step Context.</param>
/// <param name="cancellationToken">Cancellation Token.</param>
/// <returns>Dialog Turn Result.</returns>
private async Task <DialogTurnResult> AskForRestaurant(WaterfallStepContext sc, CancellationToken cancellationToken)
{
var state = await Accessor.GetAsync(sc.Context);
var reservation = state.Booking;
if (reservation.Location != null)
{
return(await sc.NextAsync(sc.Values, cancellationToken));
}
// Reset the dialog if the user hasn't confirmed the reservation.
if (!reservation.Confirmed)
{
state.Booking = CreateNewReservationInfo();
return(await sc.ReplaceDialogAsync(Id, cancellationToken : cancellationToken));
}
// Prompt for restaurant
var restaurants = SeedReservationSampleData.GetListOfRestaurants(reservation.Category, "London", _urlResolver);
state.Restaurants = restaurants;
var restaurantOptionsForSpeak = new StringBuilder();
for (var i = 0; i < restaurants.Count; i++)
{
restaurantOptionsForSpeak.Append(restaurants[i].Name);
restaurantOptionsForSpeak.Append(i == restaurants.Count - 2 ? $" {BotStrings.Or} " : ", ");
}
var restaurantResponse = RestaurantBookingSharedResponses.BookRestaurantRestaurantSelectionPrompt;
var tokens = new StringDictionary
{
{ "RestaurantCount", (restaurants.Count - 1).ToString() },
{ "ServerUrl", _urlResolver.ServerUrl },
{ "RestaurantList", restaurantOptionsForSpeak.ToString() }
};
var cardData = new List <TitleImageTextButtonCardData>();
restaurants.ForEach(r => cardData.Add(
new TitleImageTextButtonCardData
{
ImageUrl = r.PictureUrl,
ImageSize = AdaptiveImageSize.Stretch,
ImageAlign = AdaptiveHorizontalAlignment.Stretch,
ButtonTitle = r.Name,
ButtonSubtitle = r.Location,
SelectedItemData = r.Name
}));
var reply = sc.Context.Activity.CreateAdaptiveCardGroupReply(
restaurantResponse, @"Dialogs\RestaurantBooking\Resources\Cards\TitleImageTextButton.json", AttachmentLayoutTypes.Carousel, cardData, ResponseBuilder, tokens);
return(await sc.PromptAsync(Actions.RestaurantPrompt, new PromptOptions { Prompt = reply }, cancellationToken));
}
private async Task <bool> ValidateRestaurantSelection(PromptValidatorContext <FoundChoice> promptContext, CancellationToken cancellationToken)
{
var state = await ConversationStateAccessor.GetAsync(promptContext.Context, cancellationToken : cancellationToken);
// This is a workaround to a known issue with Adaptive Card button responses and prompts whereby the "Text" of the adaptive card button response
// is put into a Value object not the Text as expected causing prompt validation to fail.
// If the prompt was about to fail and the Value property is set with Text set to NULL we do special handling.
if (!promptContext.Recognized.Succeeded && (promptContext.Context.Activity.Value != null) && string.IsNullOrEmpty(promptContext.Context.Activity.Text))
{
dynamic value = promptContext.Context.Activity.Value;
string promptResponse = value["selectedItem"]; // The property will be named after your choice set's ID
if (!string.IsNullOrEmpty(promptResponse))
{
// Override what the prompt has done
promptContext.Recognized.Succeeded = true;
var foundChoice = new FoundChoice
{
Value = promptResponse
};
promptContext.Recognized.Value = foundChoice;
}
}
if (promptContext.Recognized.Succeeded)
{
var restaurants = SeedReservationSampleData.GetListOfRestaurants(state.Booking.Category, "London", _urlResolver);
var restaurant = restaurants.First(r => r.Name == promptContext.Recognized.Value.Value);
if (restaurant != null)
{
state.Booking.BookingPlace = restaurant;
var reply = TemplateManager.GenerateActivity(RestaurantBookingSharedResponses.BookRestaurantBookingPlaceSelectionEcho, new Dictionary <string, object> {
{ "BookingPlaceName", restaurant.Name }
});
await promptContext.Context.SendActivityAsync(reply, cancellationToken);
return(true);
}
}
return(false);
}
/// <summary>
/// Prompt for Restaurant to book.
/// </summary>
/// <param name="sc">Waterfall Step Context.</param>
/// <param name="cancellationToken">Cancellation Token.</param>
/// <returns>Dialog Turn Result.</returns>
private async Task <DialogTurnResult> AskForRestaurantAsync(WaterfallStepContext sc, CancellationToken cancellationToken)
{
var state = await ConversationStateAccessor.GetAsync(sc.Context, cancellationToken : cancellationToken);
var reservation = state.Booking;
if (state.IsAction)
{
return(await sc.NextAsync(cancellationToken : cancellationToken));
}
// Reset the dialog if the user hasn't confirmed the reservation.
if (!reservation.Confirmed)
{
state.Booking = CreateNewReservationInfo();
return(await sc.EndDialogAsync(cancellationToken : cancellationToken));
}
// Prompt for restaurant
var restaurants = SeedReservationSampleData.GetListOfRestaurants(reservation.Category, "London", _urlResolver);
state.Restaurants = restaurants;
var restaurantOptionsForSpeak = new StringBuilder();
for (var i = 0; i < restaurants.Count; i++)
{
restaurantOptionsForSpeak.Append(restaurants[i].Name);
restaurantOptionsForSpeak.Append(i == restaurants.Count - 2 ? $" {TemplateManager.GetString(BotStrings.Or)} " : ", ");
}
var tokens = new Dictionary <string, object>
{
{ "RestaurantCount", restaurants.Count.ToString() },
{ "ServerUrl", _urlResolver.ServerUrl },
{ "RestaurantList", restaurantOptionsForSpeak.ToString() }
};
var cards = new List <Card>();
var options = new PromptOptions()
{
Choices = new List <Choice>(),
};
foreach (var restaurant in restaurants)
{
cards.Add(new Card(
GetDivergedCardName(sc.Context, "RestaurantChoiceCard"),
new RestaurantChoiceCardData
{
ImageUrl = restaurant.PictureUrl,
ImageSize = AdaptiveImageSize.Stretch,
ImageAlign = AdaptiveHorizontalAlignment.Stretch,
Name = restaurant.Name,
Title = restaurant.Name,
Location = restaurant.Location,
SelectedItemData = restaurant.Name
}));
options.Choices.Add(new Choice(restaurant.Name));
}
var replyMessage = TemplateManager.GenerateActivity(RestaurantBookingSharedResponses.BookRestaurantRestaurantSelectionPrompt, cards, tokens);
return(await sc.PromptAsync(Actions.RestaurantPrompt, new PromptOptions { Prompt = replyMessage, Choices = options.Choices }, cancellationToken));
}