app.js

const express = require('express');
const fs = require('fs');
const path = require('path');
const session = require('express-session');
const morgan = require('morgan');
const MongoStore = require('connect-mongo');
const Sentry = require('@sentry/node');
const Tracing = require('@sentry/tracing');
const connectDB = require('./config/database');
require('dotenv').config();
const { authCheck } = require('./middlewares/AuthMiddleware');
const AuthRoute = require('./routes/AuthRouter');
const {
    clientErrorHandler,
    ErrorHandler,
} = require('./middlewares/errors/HandleErrors');

const LogStream = fs.createWriteStream(path.join(__dirname, 'syncwallet.log'), {
    flags: 'a',
});

// Create an instance of express
const app = express();

// Connect to database
connectDB();

const port = process.env.PORT || 4000;

Sentry.init({
    dsn: 'https://4f608a2114b440e9957713559edc96e5@o439434.ingest.sentry.io/5406225',
    integrations: [
        // enable HTTP calls tracing
        new Sentry.Integrations.Http({ tracing: true }),
        // enable Express.js middleware tracing
        new Tracing.Integrations.Express({ app }),
    ],
    tracesSampleRate: 0.7,
});

// Register middlewares
app.use(Sentry.Handlers.requestHandler());
app.use(Sentry.Handlers.tracingHandler());
app.use(express.static(path.join(__dirname, 'public')));
app.use(morgan('common', { stream: LogStream }));
app.use(express.json());
app.use(
    session({
        secret: process.env.APP_KEY,
        saveUninitialized: true,
        cookie: { maxAge: 1000 * 60 * 60 * 24 },
        resave: false,
        store: MongoStore.create({ mongoUrl: process.env.MONGODB_URI }),
    }),
);
if (app.get('env') === 'production') {
    app.set('trust proxy', 1);
    // session.cookie.secure = true;
}
app.use((req, res, next) => {
    res.locals.authenticated = !!req.session.user;
    res.locals.user = req.session.user ? req.session.user : null;
    next();
});
app.use(
    express.urlencoded({
        extended: true,
    }),
);

app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

if (process.env.NODE_ENV === 'development') {
    app.enable('verbose errors');
} else {
    app.disable('verbose errors');
}

// application endpoints
app.use('/auth', AuthRoute);
app.get('/', (request, response) => {
    response.render('index', {
        message: 'Sync Wallet!',
    });
});

app.get('/dashboard', authCheck, (request, response) => {
    response.render('dashboard');
});

app.get('/error', () => {
    throw new Error('Testing Error');
});

app.use(Sentry.Handlers.errorHandler());

// Error handling middlewares
app.use(clientErrorHandler);
app.use(ErrorHandler);

module.exports = { app, port };