server.js

/********************************************************************************
 *  WEB322 – Assignment 06
 *
 *  I declare that this assignment is my own work in accordance with Seneca's
 *  Academic Integrity Policy:
 *
 *  https://www.senecacollege.ca/about/policies/academic-integrity-policy.html
 *
 *  Name: Ashish Shrees Student ID: 111424222 Date: APR-03-2025
 *
 *  Published (web app) URL: https://assignment4-web-322-git-main-ashrees-projects.vercel.app/
 *
 ********************************************************************************/

const express = require('express'); // adding express
const siteData = require('./modules/data-service'); // adding custom module
const path = require('path'); // adding path
const { Error } = require('sequelize'); // adding sequelize
const app = express();
const HTTP_PORT = 8080; // PORT for server
const authData = require('./modules/auth-service'); // adding auth service
require('dotenv').config();

// middleware
app.use(express.static(path.join(__dirname, 'public'))); // adding public folder
app.use(express.urlencoded({ extended: true })); // using urlencoded

app.set('views', path.join(__dirname, 'views')); // adding views folder
app.set('view engine', 'ejs'); // setting view engine to ejs

// session Middleware
const clientSessions = require('client-sessions');
app.use(
  clientSessions({
    cookieName: 'session',
    secret: process.env.SESSION_SECRET,
    duration: 24 * 60 * 60 * 1000, // 1 day
    activeDuration: 1000 * 60 * 5, // 5 minutes
  })
);

// session available in templates
app.use((req, res, next) => {
  res.locals.session = req.session;
  next();
});

// EnsureLogin middleware to protect routes
function ensureLogin(req, res, next) {
  if (!req.session.user) res.redirect('/login');
  else next();
}

// Initialize database connection
Promise.all([siteData.initialize(), authData.initialize()])
  .then(() => {
    app.listen(HTTP_PORT, () => console.log(`Server running on ${HTTP_PORT}`));
  })
  .catch((err) => {
    console.error(`Failed to initialize: ${err}`);
    process.exit(1);
  });

// GET Routes
app.get('/login', (req, res) => res.render('login'));
app.get('/register', (req, res) => res.render('register'));
app.get('/logout', (req, res) => {
  req.session.reset();
  res.redirect('/');
});
app.get('/userHistory', ensureLogin, (req, res) => res.render('userHistory'));

// POST Routes
app.post('/register', async (req, res) => {
  try {
    await authData.registerUser(req.body);
    res.render('register', { successMessage: 'User created' });
  } catch (err) {
    res.render('register', {
      errorMessage: err.message,
      userName: req.body.userName,
      email: req.body.email,
    });
  }
});

app.post('/login', (req, res) => {
  req.body.userAgent = req.get('User-Agent');
  authData
    .checkUser(req.body)
    .then((user) => {
      req.session.user = {
        userName: user.userName,
        email: user.email,
        loginHistory: user.loginHistory,
      };
      res.redirect('/sites');
    })
    .catch((err) => {
      // passing error message to the template
      res.render('login', {
        errorMessage: err,
        userName: req.body.userName,
      });
    });
});

// all the routes
app.get('/', (req, res) => {
  // res.sendFile(path.join(__dirname, '/views/home.html')); // home page
  res.render('home', { title: 'Home' });
});

app.get('/about', (req, res) => {
  // res.sendFile(path.join(__dirname, '/views/about.html')); // about page
  res.render('about', { title: 'About' });
});

app.get('/sites', (req, res) => {
  const { region, provinceOrTerritory } = req.query;

  let dataPromise;
  if (region) {
    dataPromise = siteData.getSitesByRegion(region);
  } else if (provinceOrTerritory) {
    dataPromise =
      siteData.getSitesByProvinceOrTerritoryName(provinceOrTerritory);
  } else {
    dataPromise = siteData.getAllSites();
  }

  dataPromise
    .then((data) => {
      if (data.length === 0) {
        let message;
        if (region) {
          message = `I'm sorry, we're unable to find what you're looking for.`;
        } else if (provinceOrTerritory) {
          message = `I'm sorry, we're unable to find what you're looking for.`;
        } else {
          message = "I'm sorry, we're unable to find what you're looking for.";
        }
        return res.status(404).render('404', { message });
      }

      res.render('sites', {
        page: '/sites',
        sites: data,
        region,
        provinceOrTerritory,
      });
    })
    .catch((err) => {
      res.render('500', {
        message: `I'm sorry, but we have encountered the following error:${err}`,
      });
    });
});

// route for site by id
app.get('/sites/:siteId', (req, res) => {
  const siteId = req.params.siteId;
  siteData
    .getSiteById(siteId)
    .then((site) => {
      if (site) {
        res.render('site', { site: site });
      } else {
        // Site not found
        res.status(404).render('404', {
          message: `Site ID ${siteId} not found`,
        });
      }
    })
    .catch((err) =>
      res.render('500', {
        message: `I'm sorry, but we have encountered the following error:${err}`,
      })
    );
});

app.get('/addSite', (req, res) => {
  siteData
    .getAllProvincesAndTerritories()
    .then((provincesAndTerritories) => {
      res.render('addSite', { provincesAndTerritories });
    })
    .catch((err) => {
      res.render('500', {
        message: `I'm sorry, but we have encountered the following error:${err}`,
      });
    });
});

app.post('/addSite', (req, res) => {
  siteData
    .addSite(req.body)
    .then(() => res.redirect('/sites'))
    .catch((err) => {
      res.render('500', {
        message: `I'm sorry, but we have encountered the following error:${err}`,
      });
    });
});

app.get('/editSite/:id', (req, res) => {
  Promise.all([
    siteData.getSiteById(req.params.id),
    siteData.getAllProvincesAndTerritories(),
  ])
    .then(([site, provincesAndTerritories]) => {
      res.render('editSite', { site, provincesAndTerritories });
    })
    .catch((err) => {
      res.status(404).render('404', { message: err.message });
    });
});

app.post('/editSite', (req, res) => {
  siteData
    .editSite(req.body.siteId, req.body)
    .then(() => res.redirect('/sites'))
    .catch((err) => {
      res.render('500', {
        message: `I'm sorry, but we have encountered the following error:${err}`,
      });
    });
});

app.get('/deleteSite/:id', (req, res) => {
  siteData
    .deleteSite(req.params.id)
    .then(() => res.redirect('/sites'))
    .catch((err) => {
      res.render('500', {
        message: `I'm sorry, but we have encountered the following error:${err}`,
      });
    });
});

// route for 404 page
app.use((req, res) => {
  res.status(404).render('404', {
    message: "I'm sorry, we're unable to find what you're looking for.",
  });
});