server.js

const createError = require('http-errors');
const express = require('express');
const path = require('path');
const cookieParser = require('cookie-parser');
const logger = require('morgan');
const session = require('express-session');
const passport = require('passport');
const methodOverride = require('method-override');

// load env variables
require('dotenv').config();

// connect to MongoDB with mongoose
require('./config/database');

// load passport
require('./config/passport');

// require routes
const indexRouter = require('./routes/index');
const usersRouter = require('./routes/users');
const authRouter = require('./routes/auth');
const albumsRouter = require('./routes/albums');
const reviewsRouter = require('./routes/reviews');
const messagesRouter = require('./routes/messages');

const app = express();

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

// misc middleware
app.use(methodOverride('_method'));
app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

// passport middleware
app.use(
	session({
		secret: process.env.SESSION_SECRET,
		resave: false,
		saveUninitialized: true,
	})
);
app.use(passport.initialize());
app.use(passport.session());

// router middleware
app.use('/', indexRouter);
app.use('/', reviewsRouter);
app.use('/users', usersRouter);
app.use('/auth', authRouter);
app.use('/albums', albumsRouter);
app.use('/messages', messagesRouter);

// catch 404 and forward to error handler
app.use(function (req, res, next) {
	next(createError(404));
});

// error handler
app.use(function (err, req, res, next) {
	// set locals, only providing error in development
	res.locals.message = err.message;
	res.locals.error = req.app.get('env') === 'development' ? err : {};

	// render the error page
	res.status(err.status || 500);
	res.render('error', { title: '404!' });
});

module.exports = app;