app.js

const express = require('express');
const session = require('express-session');
const MongoDBStore = require('connect-mongodb-session')(session);
const csrf = require('csurf');
const mongoose = require('mongoose');
const bodyParcer = require('body-parser');
const path = require('path');
const flash = require('connect-flash');
const multer = require('multer');
const helmet = require('helmet');
const compression = require('compression');
const morgan = require('morgan');
const fs = require('fs');
const https = require('https');

const adminRoutes = require('./routes/admin');
const shopRoutes = require('./routes/shop');
const authRoutes = require('./routes/auth');

const errorController = require('./controllers/error');
const User = require('./models/user');
const { connect } = require('http2');

const MONGODB_URI = `mongodb+srv://${process.env.MONGO_USER}:${process.env.MONGO_PASSWORD}@clusterfirstnodeapp.ubtp1kv.mongodb.net/${process.env.MONGO_DEFAULT_DB}`;


const app = express();

const store = new MongoDBStore({
  uri: MONGODB_URI,
  collection: 'sessions',
});
const csrfProtection = csrf();

// const privateKey = fs.readFileSync('server.key');
// const certificate = fs.readFileSync('server.cert');

const fileStorage = multer.diskStorage({
  destination: (req, file, cb) => {
    cb(null, 'images');
  },
  filename: (req, file, cb) => {
    cb(null, new Date().getTime() + '-' + file.originalname);
  },
});

const fileFilter = (req, file, cb) => {
  if (
    file.mimetype === 'image/jpg' ||
    file.mimetype === 'image/png' ||
    file.mimetype === 'image/jpeg'
  ) {
    return cb(null, true);
  }
  cb(null, false);
};

// Templates manager
app.set('view engine', 'ejs');
app.set('views', 'views');

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

app.use(helmet());
app.use(compression());
app.use(morgan('combined', { stream: accessLogStream }));

// Auto Encode requests
app.use(bodyParcer.urlencoded({ extended: false }));

app.use(
  multer({ storage: fileStorage, fileFilter: fileFilter }).single('image')
);

// Initialisation of public folder for express
app.use(express.static(path.join(__dirname, 'public')));
app.use('/images', express.static(path.join(__dirname, 'images')));

app.use(
  session({
    secret: 'my secret',
    resave: false,
    saveUninitialized: false,
    store: store,
  })
);

app.use(csrfProtection);
app.use(flash());

// for all renders will added this
app.use((req, res, next) => {
  res.locals.isAuthenticated = req.session.isLoggedIn;
  res.locals.csrfToken = req.csrfToken();
  next();
});

app.use((req, res, next) => {
  if (!req.session.user) return next();
  User.findById(req.session.user._id)
    .then((user) => {
      if (!user) {
        return next();
      }
      req.user = user;
      next();
    })
    .catch((err) => {
      next(new Error(err));
    });
});

app.use('/admin', adminRoutes);
app.use(shopRoutes);
app.use(authRoutes);

app.get('/500', errorController.get500);

app.use(errorController.pageNotFound);

app.use((error, req, res, next) => {
  res.status(500).render('500', {
    pageTitle: 'Error',
    path: '/500',
    errorMsg: error,
  });
});

mongoose
  .connect(MONGODB_URI)
  .then(() => {
    // https
    //   .createServer({ key: privateKey, cert: certificate }, app)
    //   .listen(process.env.PORT || 3000);
    app.listen(process.env.PORT || 3000);
  })
  .catch((err) => console.log(err));