app.js

//Required statements
if (process.env.NODE_ENV !== "production") {
    require('dotenv').config();
}

const express = require('express');
const session = require('express-session');
const mongoose = require('mongoose');
const path = require('path');
const methodOverride = require('method-override');
const ejsMate = require('ejs-mate');
const ExpressError = require('./utilities/expressError');
const flash = require('connect-flash');
const passport = require('passport');
const LocalStrategy = require('passport-local');
const User = require('./models/user');


//Setup for routes
const campgroundRoutes = require('./routes/campgrounds');
const reviewRoutes = require('./routes/reviews');
const userRoutes = require('./routes/users');



//Setup for the mongo database on localhost
mongoose.connect('mongodb://localhost:27017/camprion');

const db = mongoose.connection;
db.on('error', console.error.bind(console, 'connection error:'));
db.once('open', () => {
    console.log('Database connected');
})

const app = express();

//Set the view engine to ejs
app.engine('ejs', ejsMate);
app.set('view engine', 'ejs');
app.set('views', path.join(__dirname, 'views'));

app.use(express.urlencoded({ extended: true }));
app.use(methodOverride('_method'));
app.use(express.static(path.join(__dirname, 'public')));

//Initial setup for cookies
const sessionConfig = {
    secret: 'tempSecret',
    resave: false,
    saveUninitialized: true,
    cookie: {
        httpOnly: true,
        expires: Date.now() + 1000 * 60 * 60 * 24 * 7,
        maxAge: 1000 * 60 * 60 * 24 * 7
    }
}
app.use(session(sessionConfig));
app.use(flash());

//Passport implementation
app.use(passport.initialize());
app.use(passport.session());
passport.use(new LocalStrategy(User.authenticate()));
passport.serializeUser(User.serializeUser());
passport.deserializeUser(User.deserializeUser());

app.use((req, res, next) => {
    //console.log(req.session);
    res.locals.currentUser = req.user;
    res.locals.success = req.flash('success');
    res.locals.error = req.flash('error');
    next();
});


//app.get('/fakeUser', async (req, res) => {
//    const user = new User({ email: 'blan@gamil.com', username: 'blan' });
//    const newUser = await User.register(user, 'password');
//    res.send(newUser);
//});

//App.use for declared routes
app.use('/campgrounds', campgroundRoutes);
app.use('/campgrounds/:id/reviews', reviewRoutes);
app.use('/', userRoutes);

//Rendering the home.ejs file within the views directory
app.get('/', function (req, res) {
    res.render('home');
});

app.all('*', (res, req, next) => {
    next(new ExpressError('Page Not Found', 404));
});

//Generic error handler function
app.use((err, req, res, next) => {
    const { statusCode = 500 } = err;
    if (!err.message) err.message = "Something happened...but it was not good. "
    res.status(statusCode).render('error', { err });
});

//Started the app with nodemon on port 3000
app.listen(3000, () => {
    console.log("On port 3000!!");
});