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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 dotenv = require('dotenv');
const path = require('path');
const restify = require('restify');
const { QnAMaker } = require('botbuilder-ai');
// Import required bot services.
// See https://aka.ms/bot-services to learn more about the different parts of a bot.
const { BotFrameworkAdapter } = require('botbuilder');
// Import required bot configuration.
const { BotConfiguration } = require('botframework-config');
// This bot's main dialog.
const { MyBot } = require('./bot');
// Read botFilePath and botFileSecret from .env file
// Note: Ensure you have a .env file and include botFilePath and botFileSecret.
const ENV_FILE = path.join(__dirname, '.env');
dotenv.config({ path: ENV_FILE });
// bot endpoint name as defined in .bot file
// See https://aka.ms/about-bot-file to learn more about .bot file its use and bot configuration.
const DEV_ENVIRONMENT = 'development';
// bot name as defined in .bot file
// See https://aka.ms/about-bot-file to learn more about .bot file its use and bot configuration.
const BOT_CONFIGURATION = (process.env.NODE_ENV || DEV_ENVIRONMENT);
// Create HTTP server
const server = restify.createServer();
server.listen(process.env.port || process.env.PORT || 3978, () => {
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 qna-bot-v-4.bot file in the Emulator`);
});
// .bot file path
const BOT_FILE = path.join(__dirname, (process.env.botFilePath || ''));
// Read bot configuration from .bot file.
let botConfig;
try {
botConfig = BotConfiguration.loadSync(BOT_FILE, process.env.botFileSecret);
} catch (err) {
console.error(`\nError reading bot file. Please ensure you have valid botFilePath and botFileSecret set for your environment.`);
console.error(`\n - The botFileSecret is available under appsettings for your Azure Bot Service bot.`);
console.error(`\n - If you are running this bot locally, consider adding a .env file with botFilePath and botFileSecret.`);
console.error(`\n - See https://aka.ms/about-bot-file to learn more about .bot file its use and bot configuration.\n\n`);
process.exit();
}
// Get bot endpoint configuration by service name
const endpointConfig = botConfig.findServiceByNameOrId(BOT_CONFIGURATION);
const qnaServices = [];
botConfig.services.map(service => {
if(service.type == "qna") {
const endpoint = {
knowledgeBaseId: service.kbId,
endpointKey: service.endpointKey,
host: service.hostname
}
const options = {};
qnaServices.push(new QnAMaker(endpoint, options));
}
});
// Create adapter.
// See https://aka.ms/about-bot-adapter to learn more about .bot file its use and bot configuration.
const adapter = new BotFrameworkAdapter({
appId: endpointConfig.appId || process.env.microsoftAppID,
appPassword: endpointConfig.appPassword || process.env.microsoftAppPassword
});
// Catch-all for errors.
adapter.onTurnError = async (context, error) => {
// This check writes out errors to console log .vs. app insights.
console.error(`\n [onTurnError]: ${ error }`);
// Send a message to the user
await context.sendActivity(`Oops. Something went wrong!`);
};
// Create the main dialog.
const myBot = new MyBot(qnaServices);
// Listen for incoming requests.
server.post('/api/messages', (req, res) => {
adapter.processActivity(req, res, async (context) => {
// Route to main dialog.
await myBot.onTurn(context);
});
});