server.js

const express = require('express');
const app = express();
const bodyParser = require('body-parser');
app.use(bodyParser.urlencoded({extended : true}));
const { MongoClient } = require('mongodb');
app.set('view engine', 'ejs');
app.use('/public', express.static('public'));
const methodOverride = require('method-override');
app.use(methodOverride('_method'));
require('dotenv').config()

var db;
const uri = process.env.DB_URL
MongoClient.connect(uri,
function(err, client) {
    if (err) {return console.log(err)}
    db = client.db('todoapp')
    app.listen(process.env.PORT, function() {
        console.log('listening on 8080')
    });
})


app.get('/pet', function(req, res){
	res.send('펫 용품 쇼핑할 수 있는 페이지입니다.');
})

app.get('/beauty', function(req, res){
	res.send('뷰티 용품 쇼핑할 수 있는 페이지입니다.');
})

app.get('/', function(req, res){
	res.render('index.ejs');
})

app.get('/write', function(req, res){
	res.render('write.ejs');
})

// app.post('/add', function(req, res){
// 	res.send('전송완료');
// 	console.log(req.body);
// 	console.log(req.body.title);
// })

app.post('/add', function(req, res){
	db.collection('counter').findOne({name : '게시물갯수'}, function(err, result){
    var 총게시물갯수 = result.totalPost;
    db.collection('post').insertOne( { _id : (총게시물갯수 + 1), title : req.body.title, date : req.body.date } , function(){
      console.log('저장완료');
			db.collection('counter').updateOne({name: '게시물갯수'}, { $inc : { totalPost: 1 } }, function(err, result){
				if (err) {
					return console.log(err);
				}
			})
      res.send('전송완료');
    })
  })
})

app.get('/list', function(req, res){
	db.collection('post').find().toArray(function(err, result){
		console.log(result);
		res.render('list.ejs', { posts : result });
	})
})

app.delete('/delete', function(req, res){
	console.log(req.body);
	req.body._id = parseInt(req.body._id);
	db.collection('post').deleteOne(req.body, function(err, result){
		console.log('삭제완료');
		res.status(200).send({ message : '성공했습니다'});
	})
})

app.get('/detail/:id', function(req, res){
	db.collection('post').findOne({_id: parseInt(req.params.id)}, function(err, result){
		console.log(result);
		res.render('detail.ejs', { data : result });
	})
})

app.get('/edit/:id', function(req, res){
	db.collection('post').findOne({_id : parseInt(req.params.id)}, function(err, result){
		res.render('edit.ejs', { post : result });
	})
})

app.put('/edit', function(req, res){
	db.collection('post').updateOne({ _id : parseInt(req.body.id) }, { $set : { title : req.body.title, date : req.body.date } }, function(err, result){
		console.log('수정완료');
		res.redirect('/list');
	})
})

const passport = require('passport');
const LocalStrategy = require('passport-local').Strategy;
const session = require('express-session');

app.use(session({secret: '비밀코드', resave : true, saveUninitialized : false}))
app.use(passport.initialize());
app.use(passport.session());

app.get('/login', function(req, res){
	res.render('login.ejs');
})

app.post('/login', passport.authenticate('local', {
	failureRedirect : '/fail'
}), function(req, res){
	res.redirect('/');
})

app.get('/mypage', isUserLogin, function(req, res){
	console.log(req.user);
	res.render('mypage.ejs', {user : req.user});
})

app.get('/search', (req, res) => {
	console.log(req.query.value);
	db.collection('post').find({ title : req.query.value }).toArray((err, result) => {
		console.log(result);
		res.render('search.ejs', { posts : result });
	})
})

function isUserLogin(req, res, next){
	if (req.user) {
		next();
	} else {
		res.send('로그인이 필요합니다.');
	}
}

passport.use(new LocalStrategy({
	usernameField: 'id',
  passwordField: 'pw',
  session: true,
  passReqToCallback: false,
}, function (inputId, inputPw, done) {
  db.collection('login').findOne({ id: inputId }, function (err, result) {
    if (err) return done(err)
    if (!result) return done(null, false, { message: '존재하지 않는 아이디입니다.' })
    if (inputPw == result.pw) {
      return done(null, result)
    } else {
      return done(null, false, { message: '비밀번호가 틀렸습니다.' })
    }
  })
}))

passport.serializeUser(function (user, done) {
  done(null, user.id)
})

passport.deserializeUser(function (id, done) {
	db.collection('login').findOne({id : id}, function(err, result){
		done(null, result)
	})
})