app.js

/*-----------------------------------------------------------------------------
A simple echo bot for the Microsoft Bot Framework.
-----------------------------------------------------------------------------*/

var restify = require('restify');
var builder = require('botbuilder');
var botbuilder_azure = require("botbuilder-azure");
var builder_cognitiveservices = require("botbuilder-cognitiveservices");

// Setup Restify Server
var server = restify.createServer();
server.listen(process.env.port || process.env.PORT || 3978, function () {
   console.log('%s listening to %s', server.name, server.url);
});

// Create chat connector for communicating with the Bot Framework Service
var connector = new builder.ChatConnector({
    appId: process.env.MicrosoftAppId,
    appPassword: process.env.MicrosoftAppPassword,
    openIdMetadata: process.env.BotOpenIdMetadata
});

// Listen for messages from users
server.post('/api/messages', connector.listen());

/*----------------------------------------------------------------------------------------
* Bot Storage: This is a great spot to register the private state storage for your bot.
* We provide adapters for Azure Table, CosmosDb, SQL Azure, or you can implement your own!
* For samples and documentation, see: https://github.com/Microsoft/BotBuilder-Azure
* ---------------------------------------------------------------------------------------- */

var tableName = 'botdata';
var azureTableClient = new botbuilder_azure.AzureTableClient(tableName, process.env['AzureWebJobsStorage']);
var tableStorage = new botbuilder_azure.AzureBotStorage({ gzipData: false }, azureTableClient);

// Create your bot with a function to receive messages from the user
var bot = new builder.UniversalBot(connector, [
    function (session){
        var qnaKnowledgebaseId = process.env.QnAKnowledgebaseId;
        var qnaAuthKey = process.env.QnAAuthKey || process.env.QnASubscriptionKey;
        var endpointHostName = process.env.QnAEndpointHostName;

        // QnA Subscription Key and KnowledgeBase Id null verification
        if ((qnaAuthKey == null || qnaAuthKey == '') || (qnaKnowledgebaseId == null || qnaKnowledgebaseId == ''))
            session.send('Please set QnAKnowledgebaseId, QnAAuthKey and QnAEndpointHostName (if applicable) in App Settings. Learn how to get them at https://aka.ms/qnaabssetup.');
        else {
            if (endpointHostName == null || endpointHostName == '')
                // Replace with Preview QnAMakerDialog service
                session.replaceDialog('basicQnAMakerPreviewDialog');
            else
                // Replace with GA QnAMakerDialog service
                session.replaceDialog('basicQnAMakerDialog');
        }
    }
]);

var hasSaidHi = false;
bot.set('storage', tableStorage);
bot.on('conversationUpdate', (message) => {
    if (message.membersAdded && !hasSaidHi) {
        const hello = new builder.Message()
            .address(message.address)
            .text("Hi, I am Bot. I can answer your question");
        bot.send(hello);
        bot.beginDialog(message.address, '*:/');
        hasSaidHi = true;
    }
});

// Recognizer and and Dialog for preview QnAMaker service
var previewRecognizer = new builder_cognitiveservices.QnAMakerRecognizer({
    knowledgeBaseId: process.env.QnAKnowledgebaseId,
    authKey: process.env.QnAAuthKey || process.env.QnASubscriptionKey
});

var basicQnAMakerPreviewDialog = new builder_cognitiveservices.QnAMakerDialog({
    recognizers: [previewRecognizer],
    defaultMessage: 'Sorry, I do not get what you just said',
    qnaThreshold: 0.3
}
);

bot.dialog('basicQnAMakerPreviewDialog', basicQnAMakerPreviewDialog);

// Recognizer and and Dialog for GA QnAMaker service
var recognizer = new builder_cognitiveservices.QnAMakerRecognizer({
    knowledgeBaseId: process.env.QnAKnowledgebaseId,
    authKey: process.env.QnAAuthKey || process.env.QnASubscriptionKey, // Backward compatibility with QnAMaker (Preview)
    endpointHostName: process.env.QnAEndpointHostName
});

var basicQnAMakerDialog = new builder_cognitiveservices.QnAMakerDialog({
    recognizers: [recognizer],
    defaultMessage: 'Sorry, I do not get what you just said',
    qnaThreshold: 0.3
}
);

bot.dialog('basicQnAMakerDialog', basicQnAMakerDialog);

/*
bot.dialog('/', //basicQnAMakerDialog
    [
        function (session) {
            session.send("!!");
            var qnaKnowledgebaseId = process.env.QnAKnowledgebaseId;
            var qnaAuthKey = process.env.QnAAuthKey || process.env.QnASubscriptionKey;
            var endpointHostName = process.env.QnAEndpointHostName;

            // QnA Subscription Key and KnowledgeBase Id null verification
            if ((qnaAuthKey == null || qnaAuthKey == '') || (qnaKnowledgebaseId == null || qnaKnowledgebaseId == ''))
                session.send('Please set QnAKnowledgebaseId, QnAAuthKey and QnAEndpointHostName (if applicable) in App Settings. Learn how to get them at https://aka.ms/qnaabssetup.');
            else {
                if (endpointHostName == null || endpointHostName == '')
                    // Replace with Preview QnAMakerDialog service
                    session.replaceDialog('basicQnAMakerPreviewDialog');
                else
                    // Replace with GA QnAMakerDialog service
                    session.replaceDialog('basicQnAMakerDialog');
            }
        }
    ]);
*/