server.js

const express = require('express');
const bodyParser = require('body-parser');
const app = express();
const mongoose = require('mongoose');
var cors = require('cors')
const url = 'mongodb://localhost/blockmate';

const User = require('./model/user');
const Post = require('./model/post');

app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended : false}));

app.use(cors());

app.post('/api/user/login', (req, res) => {
	mongoose.connect(url, { useNewUrlParser: true, autoIndex: false }, function(err){
		if(err) throw err;
		/*User.insertOne({ name: 'admin', username: 'admin@gmail.com', password: 'admin' }); */
		User.find({
			username : req.body.username, password : req.body.password
		}, function(err, user){
			if(err) throw err;
			if(user.length === 1){	
				return res.status(200).json({
					status: 'success',
					data: user
				})
			} else {
				return res.status(200).json({
					status: 'fail',
					message: 'Login Failed'
				})
			}
			
		})
	});
})

app.post('/api/user/create', (req, res) => {
	mongoose.connect(url, { useNewUrlParser: true, autoIndex: false }, function(err){
		if(err) throw err;
		const user = new User({
			name: req.body.name,
			username: req.body.username,
			password: req.body.password
		})
		user.save((err, res) => {
			if(err) throw err;
			return res.status(200).json({
				status: 'success',
				data: res
			})
		})
	});
})

app.post('/api/post/createPost', (req, res) => {
	mongoose.connect(url, { useNewUrlParser: true, autoIndex: false }, function(err){
		if(err) throw err;
		const post = new Post({
			title: req.body.title,
			description: req.body.description
		})
		post.save((err, doc) => {
			if(err) throw err;
			return res.status(200).json({
				status: 'success',
				data: doc
			})
		})
	});
})

app.post('/api/post/updatePost', (req, res) => {
	mongoose.connect(url, { useNewUrlParser: true, autoIndex: false }, function(err){
		if(err) throw err;
		Post.update(
			{_id: req.body.id },
			{ title : req.body.title, description: req.body.description },
			(err, doc) => {
			if(err) throw err;
			return res.status(200).json({
				status: 'success',
				data: doc
			})
		})
	});
})

app.post('/api/post/getAllPost', (req, res) => {
	mongoose.connect(url, { useNewUrlParser: true, autoIndex: false }, function(err){
		if(err) throw err;
		Post.find({},[],{ sort: { _id: -1 } },(err, doc) => {
			if(err) throw err;
			return res.status(200).json({
				status: 'success',
				data: doc
			})
		})
	});
})

app.post('/api/post/deletePost', (req, res) => {
	mongoose.connect(url, { useNewUrlParser: true, autoIndex: false }, function(err){
		if(err) throw err;
		Post.findByIdAndRemove(req.body.id,
			(err, doc) => {
			if(err) throw err;
			return res.status(200).json({
				status: 'success',
				data: doc
			})
		})
	});
})

app.listen(3000, () => console.log('Blog Server running on port 3000...'))