To install the mongoose:
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npm install mongoose
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To install the session:
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npm install --save express-session
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routes/index.js
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var express = require('express');
var router = express.Router();
var User = require('../schema/user');
var Response = require('../common/response');
/* GET home page. */
router.get('/', function(req, res, next) {
res.render('index', { title: 'Express' });
});
/* REGISTER USER. */
router.post('/register', function(req, res) {
var data = new User(req.body);
data.save(function(err){
if(err){
console.log(err);
Response.errorResponse(err.message,res);
}else{
Response.successResponse('User registered successfully!',res,{});
}
})
});
/* LOGIN USER. */
router.post('/login', function(req, res) {
var email = req.body.email;
var password = req.body.password;
User.findOne({email: email, password: password}, function(err,user){
if(err){
console.log(err);
Response.errorResponse(err.message,res);
}
if(!user){
Response.notFoundResponse('Invalid Email Id or Password!',res);
}else{
req.session.user = user;
Response.successResponse('User loggedin successfully!',res,user);
}
})
});
/* GET DASHBOARD */
router.get('/dashboard', function(req, res) {
if(!req.session.user){
Response.unauthorizedRequest('You are not logged in',res);
}else{
Response.successResponse('Welcome to dashboard!',res,req.session.user);
}
});
/* GET LOGOUT */
router.get('/logout', function(req, res) {
req.session.destroy(function(err){
if(err){
console.log(err);
Response.errorResponse(err.message,res);
}
else
{
Response.successResponse('User logged out successfully!',res,{});
}
});
});
module.exports = router;
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MongoDB connection using mongoose with node JS:
Write the following code in app.js
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// DB connection
var mongoose = require('mongoose');
mongoose.Promise = global.Promise;
mongoose.connect('mongodb://localhost/login_register', {
useMongoClient: true
})
.then(() => console.log('connection succesful'))
.catch((err) => console.error(err));
// DB connection end
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Add route in app.js also:
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var session = require('express-session');
app.use(session({
secret: 'djhxcvxfgshjfgjhgsjhfgakjeauytsdfy', // a secret key you can write your own
resave: false,
saveUninitialized: true
}));
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Create schema for blog post:
schema/user.js
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var mongoose = require('mongoose');
var Schema = mongoose.Schema,
ObjectId = Schema.ObjectId;
var User = new Schema({
name :String,
email :String,
password :String
});
module.exports = mongoose.model('User', User);
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Response :
common/response.js
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module.exports = {
errorResponse: function(message,res) {
return res.status(500).json({ result: {}, message: message , success:0, statusCode:500});
},
successResponse: function(message,res,data) {
return res.status(200).json({ result: data, message: message , success:1, statusCode:200});
},
notFoundResponse: function(message,res) {
return res.status(404).json({ result: {}, message: message , success:0, statusCode:404});
},
unauthorizedRequest: function(message,res) {
return res.status(401).json({ result: {}, message: message , success:0, statusCode:401});
}
}
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