📅  最后修改于: 2022-03-11 15:02:38.234000             🧑  作者: Mango
//required files
const express = require('express')
const router = express.Router();
//bcryptjs
const bcrypt = require('bcryptjs')
//User modal of mongoDB
const User = require('../../models/User')
//Post request for login
router.post('/', (req, res) => {
//email and password
const email = req.body.email
const password = req.body.password
//find user exist or not
User.findOne({ email })
.then(user => {
//if user not exist than return status 400
if (!user) return res.status(400).json({ msg: "User not exist" })
//if user exist than compare password
//password comes from the user
//user.password comes from the database
bcrypt.compare(password, user.password, (err, data) => {
//if error than throw error
if (err) throw err
//if both match than you can do anything
if (data) {
return res.status(200).json({ msg: "Login success" })
} else {
return res.status(401).json({ msg: "Invalid credencial" })
}
})
})
})
module.exports = router