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index.js
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index.js
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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
const path = require('path');
// Read environment variables 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 { BotFrameworkAdapter, MemoryStorage, UserState, ConversationState } = require('botbuilder');
const { DialogAndWelcomeBot } = require('./bots/dialogAndWelcomeBot');
const { MainDialog } = require('./dialogs/mainDialog');
// 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"');
});
// 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
});
// Define state store for your bot.
// See https://aka.ms/about-bot-state to learn more about bot state.
const memoryStorage = new MemoryStorage();
// Create user and conversation state with in-memory storage provider.
const userState = new UserState(memoryStorage);
const conversationState = new ConversationState(memoryStorage);
// Create the main dialog.
const dialog = new MainDialog(userState);
const bot = new DialogAndWelcomeBot(conversationState, userState, dialog);
// Catch-all for errors.
adapter.onTurnError = 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. See https://aka.ms/bottelemetry for telemetry
// configuration instructions.
console.error(`\n [onTurnError] unhandled error: ${ error }`);
// Send a trace activity, which will be displayed in Bot Framework Emulator
await context.sendTraceActivity(
'OnTurnError Trace',
`${ error }`,
'https://www.botframework.com/schemas/error',
'TurnError'
);
// 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.');
// Clear out state
await conversationState.clear(context);
};
// Listen for incoming requests.
server.post('/api/messages', (req, res) => {
adapter.processActivity(req, res, async (context) => {
// Route to main dialog.
await bot.run(context);
});
});