index.ts

// Import required packages
import * as restify from 'restify';

// Import required bot services.
// See https://aka.ms/bot-services to learn more about the different parts of a bot.
import {
  CloudAdapter,
  ConversationState,
  ConfigurationServiceClientCredentialFactory,
  ConfigurationBotFrameworkAuthentication,
  TeamsSSOTokenExchangeMiddleware,
  TurnContext,
  UserState,
} from 'botbuilder';

// This bot's main dialog.
import {TeamsBot} from './src/teamsBot';
import config from './config';
import {MainDialog} from './src/dialogs/mainDialog';
import {CosmosDbPartitionedStorage} from 'botbuilder-azure';

// Create adapter.
// See https://aka.ms/about-bot-adapter to learn more about adapters.
const credentialsFactory = new ConfigurationServiceClientCredentialFactory({
  MicrosoftAppId: config.botId,
  MicrosoftAppPassword: config.botPassword,
  MicrosoftAppType: 'MultiTenant',
});

const botFrameworkAuthentication = new ConfigurationBotFrameworkAuthentication(
  {},
  credentialsFactory
);

const adapter = new CloudAdapter(botFrameworkAuthentication);

// Catch-all for errors.
const onTurnErrorHandler = async (context: TurnContext, error: 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
  await context.sendActivity(
    `The bot encountered unhandled error:\n ${error.message}`
  );
  await context.sendActivity(
    'To continue to run this bot, please fix the bot source code.'
  );
};

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

const storage = new CosmosDbPartitionedStorage(config.cosmosDbStorageOptions);
const conversationState = new ConversationState(storage);
const userState = new UserState(storage);
const tokenExchangeMiddleware = new TeamsSSOTokenExchangeMiddleware(
  storage,
  config.oauthConnectionName
);

adapter.use(tokenExchangeMiddleware);

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, () => {
  console.log(`\nBot Started, ${server.name} listening to ${server.url}`);
});

// Listen for incoming requests.
server.post('/api/messages', async (req, res) => {
  await adapter.process(req, res, async context => {
    console.log('index: adapter.process');
    await bot.run(context);
  });
});