index.js

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.

// index.js is used to setup and configure your bot

// Import required packages
const path = require('path');

// Note: Ensure you have a .env file and include QnAMakerKnowledgeBaseId, QnAMakerEndpointKey and QnAMakerHost.
const ENV_FILE = path.join(__dirname, '.env');
require('dotenv').config({ path: ENV_FILE });

const restify = require('restify');

// Import required bot services.
// See https://aka.ms/bot-services to learn more about the different parts of a bot.
const {
    ActivityTypes,
    CloudAdapter,
    ConfigurationBotFrameworkAuthentication
} = require('botbuilder');

// The bot.
const { CustomQABot } = require('./bots/CustomQABot');

const botFrameworkAuthentication = new ConfigurationBotFrameworkAuthentication(process.env);

// Create adapter.
// See https://aka.ms/about-bot-adapter to learn more about adapters.
const adapter = new CloudAdapter(botFrameworkAuthentication);

// Catch-all for errors.
adapter.onTurnError = async (context, error) => {
    // Create a trace activity that contains the error object
    const traceActivity = {
        type: ActivityTypes.Trace,
        timestamp: new Date(),
        name: 'onTurnError Trace',
        label: 'TurnError',
        value: `${ error }`,
        valueType: 'https://www.botframework.com/schemas/error'
    };
    // This check writes out errors to console log .vs. app insights.
    // NOTE: In production environment, you should consider logging this to Azure
    //       application insights. See https://aka.ms/bottelemetry for telemetry
    //       configuration instructions.
    console.error(`\n [onTurnError] unhandled error: ${ error }`);

    // Send a trace activity, which will be displayed in Bot Framework Emulator
    await context.sendActivity(traceActivity);

    // Send a message to the user
    await context.sendActivity('The bot encountered an error or bug.');
    await context.sendActivity('To continue to run this bot, please fix the bot source code.');
};

// Create the main dialog.
const bot = new CustomQABot();

// Create HTTP server
const server = restify.createServer();
server.use(restify.plugins.bodyParser());

server.listen(process.env.port || process.env.PORT || 3978, function() {
    console.log(`\n${ server.name } listening to ${ server.url }`);
    console.log('\nGet Bot Framework Emulator: https://aka.ms/botframework-emulator');
});

// Listen for incoming activities and route them to your bot main dialog.
server.post('/api/messages', async (req, res) => {
    // Route received a request to adapter for processing
    await adapter.process(req, res, (context) => bot.run(context));
});