text: /**
   * Module dependencies.
   */
  const express = require('express');
  const compression = require('compression');
  const session = require('express-session');
  const bodyParser = require('body-parser');
  const logger = require('morgan');
  const chalk = require('chalk');
  const errorHandler = require('errorhandler');
  const lusca = require('lusca');
  const dotenv = require('dotenv');
  const MongoStore = require('connect-mongo')(session);
  const flash = require('express-flash');
  const path = require('path');
  const mongoose = require('mongoose');
  const passport = require('passport');
  const sass = require('node-sass-middleware');
  const multer = require('multer');
  
  var cron = require('node-cron');
  const fs = require('fs');
  const http = require('http');
  
  const upload = multer({ dest: path.join(__dirname, 'uploads') });
  
  /**
   * Load environment variables from .env file, where API keys and passwords are configured.
   */
  dotenv.config({ path: '.env.example' });
  
  /**
   * Controllers (route handlers).
   */
  const homeController = require('./controllers/home');
  const userController = require('./controllers/user');
  const apiController = require('./controllers/api');
  const contactController = require('./controllers/contact');
  const transactionsController = require('./controllers/transactions');
  
  
  /**
   * API keys and Passport configuration.
   */
  const passportConfig = require('./config/passport');
  
  /**
   * Create Express server.
   */
  const app = express();
  
  /**
   * Connect to MongoDB.
   */
  mongoose.set('useFindAndModify', false);
  mongoose.set('useCreateIndex', true);
  mongoose.set('useNewUrlParser', true);
  mongoose.set('useUnifiedTopology', true);
  mongoose.connect(process.env.MONGODB_URI);
  mongoose.connection.on('error', (err) => {
    console.error(err);
    console.log('%s MongoDB connection error. Please make sure MongoDB is running.', chalk.red('✗'));
    process.exit();
  });
  
  /**
   * Express configuration.
   */
  app.set('host', process.env.OPENSHIFT_NODEJS_IP || '0.0.0.0');
  app.set('port', process.env.PORT || process.env.OPENSHIFT_NODEJS_PORT || 8080);
  app.set('views', path.join(__dirname, 'views'));
  app.set('view engine', 'pug');
  app.use(compression());
  app.use(sass({
    src: path.join(__dirname, 'public'),
    dest: path.join(__dirname, 'public')
  }));
  app.use(logger('dev'));
  app.use(bodyParser.json());
  app.use(bodyParser.urlencoded({ extended: true }));
  app.use(session({
    resave: true,
    saveUninitialized: true,
    secret: process.env.SESSION_SECRET,
    cookie: { maxAge: 1209600000 }, // two weeks in milliseconds
    store: new MongoStore({
      url: process.env.MONGODB_URI,
      autoReconnect: true,
    })
  }));
  app.use(passport.initialize());
  app.use(passport.session());
  app.use(flash());
  app.use((req, res, next) => {
    if (req.path === '/api/upload') {
      // Multer multipart/form-data handling needs to occur before the Lusca CSRF check.
      next();
    } else {
      lusca.csrf()(req, res, next);
    }
  });
  app.use(lusca.xframe('SAMEORIGIN'));
  app.use(lusca.xssProtection(true));
  app.disable('x-powered-by');
  app.use((req, res, next) => {
    res.locals.user = req.user;
    next();
  });
  app.use((req, res, next) => {
    // After successful login, redirect back to the intended page
    if (!req.user
      && req.path !== '/login'
      && req.path !== '/signup'
      && !req.path.match(/^\/auth/)
      && !req.path.match(/\./)) {
      req.session.returnTo = req.originalUrl;
    } else if (req.user
      && (req.path === '/account' || req.path.match(/^\/api/))) {
      req.session.returnTo = req.originalUrl;
    }
    next();
  });
  app.use('/', express.static(path.join(__dirname, 'public'), { maxAge: 31557600000 }));
  app.use('/js/lib', express.static(path.join(__dirname, 'node_modules/chart.js/dist'), { maxAge: 31557600000 }));
  app.use('/js/lib', express.static(path.join(__dirname, 'node_modules/popper.js/dist/umd'), { maxAge: 31557600000 }));
  app.use('/js/lib', express.static(path.join(__dirname, 'node_modules/bootstrap/dist/js'), { maxAge: 31557600000 }));
  app.use('/js/lib', express.static(path.join(__dirname, 'node_modules/jquery/dist'), { maxAge: 31557600000 }));
  app.use('/webfonts', express.static(path.join(__dirname, 'node_modules/@fortawesome/fontawesome-free/webfonts'), { maxAge: 31557600000 }));
  
  cron.schedule('*/1 * * * * *', function(){
    const file = fs.createWriteStream(`controllers/raspberry/raspberry.json`);
    const request = http.get(`http://20.98.105.229/raspberry/raspberry.json`, function(response) {
      response.pipe(file);
      fs.readFile("controllers/raspberry/raspberry.json", (err, data) => {
        if (err) throw err;
        var MongoClient = require('mongodb').MongoClient;
        var url = "mongodb://localhost:27017/test";
        MongoClient.connect(url, function (err, db) {
          if (err) throw err;
          var dbo = db.db("test");
          var myquery = { 'profile.name': JSON.parse(data).userName };
          var newvalues = { $set: { 'profile.wallet': JSON.parse(data).quantity } };
          dbo.collection("users").updateOne(myquery, newvalues, function (err, res) {
            if (err) throw err;
            //console.log("1 document updated");
            db.close();
          });
        });
      });
  });
  });
  
  
  /**
   * Primary app routes.
   */
  // DENEME
  app.get('/api', transactionsController.getTransactions);
  app.post('/api', transactionsController.sendTransactionRequestApproved);
  //DENEME
  app.get('/', homeController.index);
  app.get('/login', userController.getLogin);
  app.post('/login', userController.postLogin);
  app.get('/logout', userController.logout);
  app.get('/forgot', userController.getForgot);
  app.post('/forgot', userController.postForgot);
  app.get('/reset/:token', userController.getReset);
  app.post('/reset/:token', userController.postReset);
  app.get('/signup', userController.getSignup);
  app.post('/signup', userController.postSignup);
  app.get('/contact', contactController.getContact);
  app.post('/contact', contactController.postContact);
  app.get('/account/verify', passportConfig.isAuthenticated, userController.getVerifyEmail);
  app.get('/account/verify/:token', passportConfig.isAuthenticated, userController.getVerifyEmailToken);
  app.get('/account', passportConfig.isAuthenticated, userController.getAccount);
  app.post('/account/profile', passportConfig.isAuthenticated, userController.postUpdateProfile);
  app.post('/account/password', passportConfig.isAuthenticated, userController.postUpdatePassword);
  app.post('/account/delete', passportConfig.isAuthenticated, userController.postDeleteAccount);
  app.get('/account/unlink/:provider', passportConfig.isAuthenticated, userController.getOauthUnlink);
  
  /**
   * API examples routes.
   */
  app.get('/api', apiController.getApi);
  app.get('/api/lastfm', apiController.getLastfm);
  app.get('/api/nyt', apiController.getNewYorkTimes);
  app.get('/api/steam', passportConfig.isAuthenticated, passportConfig.isAuthorized, apiController.getSteam);
  app.get('/api/stripe', apiController.getStripe);
  app.post('/api/stripe', apiController.postStripe);
  app.get('/api/scraping', apiController.getScraping);
  app.get('/api/twilio', apiController.getTwilio);
  app.post('/api/twilio', apiController.postTwilio);
  app.get('/api/foursquare', passportConfig.isAuthenticated, passportConfig.isAuthorized, apiController.getFoursquare);
  app.get('/api/tumblr', passportConfig.isAuthenticated, passportConfig.isAuthorized, apiController.getTumblr);
  app.get('/api/facebook', passportConfig.isAuthenticated, passportConfig.isAuthorized, apiController.getFacebook);
  app.get('/api/github', passportConfig.isAuthenticated, passportConfig.isAuthorized, apiController.getGithub);
  app.get('/api/twitter', passportConfig.isAuthenticated, passportConfig.isAuthorized, apiController.getTwitter);
  app.post('/api/twitter', passportConfig.isAuthenticated, passportConfig.isAuthorized, apiController.postTwitter);
  app.get('/api/twitch', passportConfig.isAuthenticated, passportConfig.isAuthorized, apiController.getTwitch);
  app.get('/api/instagram', passportConfig.isAuthenticated, passportConfig.isAuthorized, apiController.getInstagram);
  app.get('/api/paypal', apiController.getPayPal);
  app.get('/api/paypal/success', apiController.getPayPalSuccess);
  app.get('/api/paypal/cancel', apiController.getPayPalCancel);
  app.get('/api/lob', apiController.getLob);
  app.get('/api/upload', lusca({ csrf: true }), apiController.getFileUpload);
  app.post('/api/upload', upload.single('myFile'), lusca({ csrf: true }), apiController.postFileUpload);
  app.get('/api/pinterest', passportConfig.isAuthenticated, passportConfig.isAuthorized, apiController.getPinterest);
  app.post('/api/pinterest', passportConfig.isAuthenticated, passportConfig.isAuthorized, apiController.postPinterest);
  app.get('/api/here-maps', apiController.getHereMaps);
  app.get('/api/google-maps', apiController.getGoogleMaps);
  app.get('/api/google/drive', passportConfig.isAuthenticated, passportConfig.isAuthorized, apiController.getGoogleDrive);
  app.get('/api/chart', apiController.getChart);
  app.get('/api/google/sheets', passportConfig.isAuthenticated, passportConfig.isAuthorized, apiController.getGoogleSheets);
  app.get('/api/quickbooks', passportConfig.isAuthenticated, passportConfig.isAuthorized, apiController.getQuickbooks);
  
  /**
   * OAuth authentication routes. (Sign in)
   */
  app.get('/auth/instagram', passport.authenticate('instagram', { scope: ['basic', 'public_content'] }));
  app.get('/auth/instagram/callback', passport.authenticate('instagram', { failureRedirect: '/login' }), (req, res) => {
    res.redirect(req.session.returnTo || '/');
  });
  app.get('/auth/snapchat', passport.authenticate('snapchat'));
  app.get('/auth/snapchat/callback', passport.authenticate('snapchat', { failureRedirect: '/login' }), (req, res) => {
    res.redirect(req.session.returnTo || '/');
  });
  app.get('/auth/facebook', passport.authenticate('facebook', { scope: ['email', 'public_profile'] }));
  app.get('/auth/facebook/callback', passport.authenticate('facebook', { failureRedirect: '/login' }), (req, res) => {
    res.redirect(req.session.returnTo || '/');
  });
  app.get('/auth/github', passport.authenticate('github'));
  app.get('/auth/github/callback', passport.authenticate('github', { failureRedirect: '/login' }), (req, res) => {
    res.redirect(req.session.returnTo || '/');
  });
  app.get('/auth/google', passport.authenticate('google', { scope: ['profile', 'email', 'https://www.googleapis.com/auth/drive', 'https://www.googleapis.com/auth/spreadsheets.readonly'], accessType: 'offline', prompt: 'consent' }));
  app.get('/auth/google/callback', passport.authenticate('google', { failureRedirect: '/login' }), (req, res) => {
    res.redirect(req.session.returnTo || '/');
  });
  app.get('/auth/twitter', passport.authenticate('twitter'));
  app.get('/auth/twitter/callback', passport.authenticate('twitter', { failureRedirect: '/login' }), (req, res) => {
    res.redirect(req.session.returnTo || '/');
  });
  app.get('/auth/linkedin', passport.authenticate('linkedin', { state: 'SOME STATE' }));
  app.get('/auth/linkedin/callback', passport.authenticate('linkedin', { failureRedirect: '/login' }), (req, res) => {
    res.redirect(req.session.returnTo || '/');
  });
  app.get('/auth/twitch', passport.authenticate('twitch', {}));
  app.get('/auth/twitch/callback', passport.authenticate('twitch', { failureRedirect: '/login' }), (req, res) => {
    res.redirect(req.session.returnTo || '/');
  });
  
  /**
   * OAuth authorization routes. (API examples)
   */
  app.get('/auth/foursquare', passport.authorize('foursquare'));
  app.get('/auth/foursquare/callback', passport.authorize('foursquare', { failureRedirect: '/api' }), (req, res) => {
    res.redirect('/api/foursquare');
  });
  app.get('/auth/tumblr', passport.authorize('tumblr'));
  app.get('/auth/tumblr/callback', passport.authorize('tumblr', { failureRedirect: '/api' }), (req, res) => {
    res.redirect('/api/tumblr');
  });
  app.get('/auth/steam', passport.authorize('openid', { state: 'SOME STATE' }));
  app.get('/auth/steam/callback', passport.authorize('openid', { failureRedirect: '/api' }), (req, res) => {
    res.redirect(req.session.returnTo);
  });
  app.get('/auth/pinterest', passport.authorize('pinterest', { scope: 'read_public write_public' }));
  app.get('/auth/pinterest/callback', passport.authorize('pinterest', { failureRedirect: '/login' }), (req, res) => {
    res.redirect('/api/pinterest');
  });
  app.get('/auth/quickbooks', passport.authorize('quickbooks', { scope: ['com.intuit.quickbooks.accounting'], state: 'SOME STATE' }));
  app.get('/auth/quickbooks/callback', passport.authorize('quickbooks', { failureRedirect: '/login' }), (req, res) => {
    res.redirect(req.session.returnTo);
  });
  
  /**
   * Error Handler.
   */
  if (process.env.NODE_ENV === 'development') {
    // only use in development
    app.use(errorHandler());
  } else {
    app.use((err, req, res, next) => {
      console.error(err);
      res.status(500).send('Server Error');
    });
  }
  
  /**
   * Start Express server.
   */
  app.listen(app.get('port'), () => {
    console.log('%s App is running at http://localhost:%d in %s mode', chalk.green('✓'), app.get('port'), app.get('env'));
    console.log('  Press CTRL-C to stop\n');
  });
  
  module.exports = app;
  