/// <summary>
/// Helper function to update greeting state with entities returned by LUIS.
/// </summary>
/// <param name="luisResult">LUIS recognizer <see cref="RecognizerResult"/>.</param>
/// <param name="turnContext">A <see cref="ITurnContext"/> containing all the data needed
/// for processing this conversation turn.</param>
/// <returns>A task that represents the work queued to execute.</returns>
private async Task UpdateBlockchainState(RecognizerResult luisResult, ITurnContext turnContext)
{
if (luisResult.Entities != null && luisResult.Entities.HasValues)
{
// Get latest GreetingState
await _blockchainStateAccessor.DeleteAsync(turnContext);
BlockchainState blockchainState = await _blockchainStateAccessor.GetAsync(turnContext, () => new BlockchainState());
JObject entities = luisResult.Entities;
// Supported LUIS Entities
string[] askingPriceEntities = { "askingprice" };
string[] descriptionEntities = { "description" };
// Update any entities
// Note: Consider a confirm dialog, instead of just updating.
foreach (string askingPriceEntity in askingPriceEntities)
{
// Check if we found valid slot values in entities returned from LUIS.
if (entities[askingPriceEntity] != null)
{
string askingPrice = (string)entities[askingPriceEntity][0];
blockchainState.AskingPrice = int.Parse(askingPrice);
break;
}
}
foreach (string descriptionEntity in descriptionEntities)
{
if (entities[descriptionEntity] != null)
{
blockchainState.Description = (string)entities[descriptionEntity][0];
break;
}
}
// Set the new values into state.
await _blockchainStateAccessor.SetAsync(turnContext, blockchainState);
}
}
// Helper function to greet user with information in GreetingState.
private async Task <DialogTurnResult> SellOnMarketplace(WaterfallStepContext stepContext)
{
ITurnContext context = stepContext.Context;
BlockchainState greetingState = await UserProfileAccessor.GetAsync(context);
HttpClient httpClient = new HttpClient
{
BaseAddress = new Uri(_botServices.BlockchainEndpoint),
};
HttpResponseMessage response = await httpClient.PostAsync("", new StringContent(JsonConvert.SerializeObject(new MarketplaceRequest()
{
Description = greetingState.Description,
AskingPrice = greetingState.AskingPrice,
Email = "*****@*****.**",
})));
string result = await response.Content.ReadAsStringAsync();
// Display their profile information and end dialog.
await context.SendActivityAsync($"Your item is now for sale!");
return(await stepContext.EndDialogAsync());
}
