publicasyncTaskOnTurnAsync(ITurnContextturnContext, CancellationTokencancellationToken)
{
varactivity = turnContext.Activity;
if (activity.Type == ActivityTypes.Message)
{
// Perform a call to LUIS to retrieve results for the current activity message.varluisResults = await_services.LuisServices[LuisConfiguration].RecognizeAsync(turnContext, cancellationToken).ConfigureAwait(false);
vartopScoringIntent = luisResults?.GetTopScoringIntent();
vartopIntent = topScoringIntent.Value.intent;
switch (topIntent)
{
case GreetingIntent:
await turnContext.SendActivityAsync("Hello.");
break;
case HelpIntent:
await turnContext.SendActivityAsync("Let me try to provide some help.");
await turnContext.SendActivityAsync("I understand greetings, being asked for help, or being asked to cancel what I am doing.");
break;
case CancelIntent:
await turnContext.SendActivityAsync("I have nothing to cancel.");
break;
case NoneIntent:
default:
// Help or no intent identified, either way, let's provide some help.// to the userawait turnContext.SendActivityAsync("I didn't understand what you just said to me.");
break;
}
}
elseif (activity.Type == ActivityTypes.ConversationUpdate)
{
if (activity.MembersAdded.Any())
{
// Iterate over all new members added to the conversation.
foreach (varmemberinactivity.MembersAdded)
{
// Greet anyone that was not the target (recipient) of this message.
// To learn more about AdaptiveCards, see https://aka.ms/msbot-adaptivecards for more details.
if (member.Id != activity.Recipient.Id)
{
var welcomeCard = CreateAdaptiveCardAttachment();
varresponse = CreateResponse(activity, welcomeCard);
await turnContext.SendActivityAsync(response).ConfigureAwait(false);
}
}
}
}
}
old
Controllers/MessageController.cs
[BotAuthentication]
publicclassMessagesController : ApiController
{
///<summary>/// POST: api/Messages/// Receive a message from a user and reply to it///</summary>publicasyncTask<HttpResponseMessage> Post([FromBody]Activityactivity)
{
if (activity.Type == ActivityTypes.Message)
{
await Conversation.SendAsync(activity, () => newDialogs.RootDialog());
}
else
{
HandleSystemMessage(activity);
}
varresponse = Request.CreateResponse(HttpStatusCode.OK);
return response;
}
privateActivityHandleSystemMessage(Activitymessage)
{
if (message.Type == ActivityTypes.DeleteUserData)
{
// Implement user deletion here// If we handle user deletion, return a real message
}
elseif (message.Type == ActivityTypes.ConversationUpdate)
{
// Handle conversation state changes, like members being added and removed// Use Activity.MembersAdded and Activity.MembersRemoved and Activity.Action for info// Not available in all channels
}
elseif (message.Type == ActivityTypes.ContactRelationUpdate)
{
// Handle add/remove from contact lists// Activity.From + Activity.Action represent what happened
}
elseif (message.Type == ActivityTypes.Typing)
{
// Handle knowing tha the user is typing
}
elseif (message.Type == ActivityTypes.Ping)
{
}
returnnull;
}
Dialogs/RootDialog.cs
[Serializable]
publicclassRootDialog : IDialog<object>
{
publicTaskStartAsync(IDialogContextcontext)
{
context.Wait(MessageReceivedAsync);
return Task.CompletedTask;
}
privateasyncTaskMessageReceivedAsync(IDialogContextcontext, IAwaitable<object> result)
{
varactivity = await result asActivity;
// calculate something for us to returnintlength = (activity.Text ?? string.Empty).Length;
// return our reply to the userawait context.PostAsync($"You sent {activity.Text} which was {length} characters");
context.Wait(MessageReceivedAsync);
}
}
varcard = newSigninCard("Please sign-in to use this functionality.",
newList<CardAction>()
{
newCardAction()
{
Title = "Sign in",
Type = ActionTypes.OpenUrl,
Value = "https://login.microsoftonline.com"
}
});
message.Attachments.Add(card.ToAttachment());
The API returns the detected language and a numeric score between 0 and 1. Scores close to 1 indicate 100% certainty that the identified language is true. A total of 120 languages are supported.
Key phrase extraction
The API returns a list of strings denoting the key talking points in the input text.
Sentiment analysis
The API returns a numeric score between 0 and 1. Scores close to 1 indicate positive sentiment, and scores close to 0 indicate negative sentiment.
Identify entities in your text
Detect all named entities in the text, such as organizations, people, and locations.
