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 pckages
const path = require('path');

// Read botFilePath and botFileSecret from .env file.
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 {
    CloudAdapter,
    ConversationState,
    MemoryStorage,
    UserState,
    ConfigurationBotFrameworkAuthentication
} = require('botbuilder');

const { TeamsBot } = require('./bots/teamsBot');
const { MainDialog } = require('./dialogs/mainDialog');

const botFrameworkAuthentication = new ConfigurationBotFrameworkAuthentication(process.env);

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

adapter.onTurnError = async (context, error) => {
    const errorMsg = error.message
        ? error.message
        : `Oops. Something went wrong!`;
    // This check writes out errors to console log .vs. app insights.
    // NOTE: In production environment, you should consider logging this to Azure
    //       application insights.
    console.error(`\n [onTurnError] unhandled error: ${error}`);

    // Clear out state
    await conversationState.delete(context);
    // Send a message to the user
    await context.sendActivity(errorMsg);

    // Note: Since this Messaging Extension does not have the messageTeamMembers permission
    // in the manifest, the bot will not be allowed to message users.

    // Uncomment below commented line for local debugging.
    // await context.sendActivity(`Sorry, it looks like something went wrong. Exception Caught: ${errorMsg}`);
};

// Define the state store for your bot.
// See https://aka.ms/about-bot-state to learn more about using MemoryStorage.
// A bot requires a state storage system to persist the dialog and user state between messages.
const memoryStorage = new MemoryStorage();

// Create conversation and user state with in-memory storage provider.
const conversationState = new ConversationState(memoryStorage);
const userState = new UserState(memoryStorage);

// Create the main dialog.
const dialog = new MainDialog();
// Create the bot that will handle incoming messages.
const bot = new TeamsBot(conversationState, userState, dialog);

// 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');
    console.log('\nTo talk to your bot, open the emulator select "Open Bot"');
});

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