index.js

const path = require('path');

// Note: Ensure you have a .env file and include LuisAppId, LuisAPIKey and LuisAPIHostName.
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 { BotFrameworkAdapter, ConversationState, InputHints, MemoryStorage, UserState } = require('botbuilder');

const { LuisRecognizerDialog } = require('./dialogs/luisRegonizerDialog');

// This bot's main dialog.
const { DialogAndWelcomeBot } = require('./bots/dialogAndWelcomeBot');
const { MainDialog } = require('./dialogs/mainDialog');

// the bot's booking dialog
const { FeedbackDialog } = require('./dialogs/feedbackDialog');
const { StaffingDialog } = require('./dialogs/staffingDialog');
const { ContactDialog } = require('./dialogs/contactDialog');

const {
    FEEDBACK_DIALOG,
    STAFFING_DIALOG,
    CONTACT_DIALOG, HAS_JD_DIALOG, NO_JD_DIALOG, COMMON_JD_DIALOG, SELECTED_OTHER_DIALOG, YES_TOGGLE_LIVE, OTHER_SKILLSET_DIALOG, UPLOAD_JD_DIALOG,
    WRITE_JD_DIALOG
} = require('./dialogs/dialogConstants');
const { HasJDDialog } = require('./dialogs/hasJDDialog');
const { NoJDDialog } = require('./dialogs/noJDDialog');
const { CommonJDDialog } = require('./dialogs/commonJDDialog');
const { SelectedOtherDialog } = require('./dialogs/selectedOtherDialog');
const { YesToggleSpeakLive } = require('./dialogs/yesToggleSpeakLive');
const { UploadJDDialog } = require('./dialogs/uploadJDDialog');

// Timer
const Timer = require('timer-node');
const { OtherSkillset } = require('./dialogs/otherSkillsetDialog');
const { WriteJDDialog } = require('./dialogs/writeJDDialog');

// Create adapter.
// See https://aka.ms/about-bot-adapter to learn more about adapters.
const adapter = new BotFrameworkAdapter({
    appId: process.env.MicrosoftAppId,
    appPassword: process.env.MicrosoftAppPassword
});

// Catch-all for errors.
const onTurnErrorHandler = async (context, 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.
    console.error(`\n [onTurnError] unhandled error: ${ error }`);

    // Send a trace activity, which will be displayed in Bot Framework Emulator
    await context.sendTraceActivity(
        'OnTurnError Trace',
        `${ error }`,
        'https://www.botframework.com/schemas/error',
        'TurnError'
    );

    // Send a message to the user
    let onTurnErrorMessage = 'The bot encountered an error or bug.';
    await context.sendActivity(onTurnErrorMessage, onTurnErrorMessage, InputHints.ExpectingInput);
    onTurnErrorMessage = 'To continue to run this bot, please fix the bot source code.';
    await context.sendActivity(onTurnErrorMessage, onTurnErrorMessage, InputHints.ExpectingInput);
    // Clear out state
    await conversationState.delete(context);
};

// Set the onTurnError for the singleton BotFrameworkAdapter.
adapter.onTurnError = onTurnErrorHandler;

// Define a state store for your bot. See https://aka.ms/about-bot-state to learn more about using MemoryStorage.
// A bot requires a state store to persist the dialog and user state between messages.

// For local development, in-memory storage is used.
// CAUTION: The Memory Storage used here is for local bot debugging only. When the bot
// is restarted, anything stored in memory will be gone.
const memoryStorage = new MemoryStorage();
const conversationState = new ConversationState(memoryStorage);
const userState = new UserState(memoryStorage);

const timer = new Timer('sol-timer');

// If configured, pass in the FlightBookingRecognizer.  (Defining it externally allows it to be mocked for tests)
const { LuisAppId, LuisAPIKey, LuisAPIHostName } = process.env;
const luisConfig = { applicationId: LuisAppId, endpointKey: LuisAPIKey, endpoint: `https://${ LuisAPIHostName }` };

const luisRecognizer = new LuisRecognizerDialog(luisConfig);

const contactDialog = new ContactDialog(CONTACT_DIALOG, timer);
const yesToggleSpeakLive = new YesToggleSpeakLive(YES_TOGGLE_LIVE, contactDialog);
const selectedOtherDialog = new SelectedOtherDialog(SELECTED_OTHER_DIALOG, contactDialog, yesToggleSpeakLive);
// Create the main dialog.
const commonJDDialog = new CommonJDDialog(COMMON_JD_DIALOG, contactDialog, selectedOtherDialog);
const uploadJDDialog = new UploadJDDialog(UPLOAD_JD_DIALOG, commonJDDialog);
const writeJDDialog = new WriteJDDialog(WRITE_JD_DIALOG, commonJDDialog);
const otherSkillsetDialog = new OtherSkillset(OTHER_SKILLSET_DIALOG, commonJDDialog);
const noJDDialog = new NoJDDialog(NO_JD_DIALOG, commonJDDialog, otherSkillsetDialog);
const feedbackDialog = new FeedbackDialog(FEEDBACK_DIALOG, contactDialog, selectedOtherDialog);
const hasJDDialog = new HasJDDialog(HAS_JD_DIALOG, contactDialog, commonJDDialog, uploadJDDialog, writeJDDialog);
const staffingDialog = new StaffingDialog(STAFFING_DIALOG, hasJDDialog, contactDialog, noJDDialog, selectedOtherDialog);
const dialog = new MainDialog(luisRecognizer, feedbackDialog, staffingDialog, contactDialog, selectedOtherDialog, timer, memoryStorage);
const bot = new DialogAndWelcomeBot(conversationState, userState, dialog);

// Timer

// Create HTTP server
const server = restify.createServer();
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 activities and route them to your bot main dialog.
server.post('/api/messages', (req, res) => {
    // Route received a request to adapter for processing
    adapter.processActivity(req, res, async (turnContext) => {
        // route to bot activity handler.
        await bot.run(turnContext);
    });
});

// Listen for Upgrade requests for Streaming.
server.on('upgrade', (req, socket, head) => {
    // Create an adapter scoped to this WebSocket connection to allow storing session data.
    const streamingAdapter = new BotFrameworkAdapter({
        appId: process.env.MicrosoftAppId,
        appPassword: process.env.MicrosoftAppPassword
    });
    // Set onTurnError for the BotFrameworkAdapter created for each connection.
    streamingAdapter.onTurnError = onTurnErrorHandler;

    streamingAdapter.useWebSocket(req, socket, head, async (context) => {
        // After connecting via WebSocket, run this logic for every request sent over
        // the WebSocket connection.
        await bot.run(context);
    });
});