├── app.js
├── controllers
    └── product.js
├── models
    └── product.js
├── package.json
└── routes
    └── product.js


/app.js:
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 1 | // app.js
 2 | 
 3 | var express = require('express');
 4 | var bodyParser = require('body-parser');
 5 | 
 6 | var product = require('./routes/product'); // Imports routes for the products
 7 | var app = express();
 8 | 
 9 | 
10 | // Set up mongoose connection
11 | var mongoose = require('mongoose');
12 | var dev_db_url = 'mongodb://someuser:abcd1234@ds123619.mlab.com:23619/productstutorial';
13 | var mongoDB = process.env.MONGODB_URI || dev_db_url;
14 | mongoose.connect(mongoDB);
15 | mongoose.Promise = global.Promise;
16 | var db = mongoose.connection;
17 | db.on('error', console.error.bind(console, 'MongoDB connection error:'));
18 | 
19 | app.use(bodyParser.json());
20 | app.use(bodyParser.urlencoded({extended: false}));
21 | app.use('/products', product);
22 | 
23 | var port = 1234;
24 | 
25 | app.listen(port, () => {
26 |     console.log('Server is up and running on port numner ' + port);
27 | });
28 | 


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/controllers/product.js:
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 1 | var Product = require('../models/product');
 2 | 
 3 | //Simple version, without validation or sanitation
 4 | exports.test = function (req, res) {
 5 |     res.send('Greetings from the Test controller!');
 6 | };
 7 | 
 8 | exports.product_create = function (req, res) {
 9 |     var product = new Product(
10 |         {
11 |             name: req.body.name,
12 |             price: req.body.price
13 |         }
14 |     );
15 | 
16 |     product.save(function (err) {
17 |         if (err) {
18 |             return next(err);
19 |         }
20 |         res.send('Product Created successfully')
21 |     })
22 | };
23 | 
24 | exports.product_details = function (req, res) {
25 |     Product.findById(req.params.id, function (err, product) {
26 |         if (err) return next(err);
27 |         res.send(product);
28 |     })
29 | };
30 | 
31 | exports.product_update = function (req, res) {
32 |     Product.findByIdAndUpdate(req.params.id, {$set: req.body}, function (err, product) {
33 |         if (err) return next(err);
34 |         res.send('Product udpated.');
35 |     });
36 | };
37 | 
38 | exports.product_delete = function (req, res) {
39 |     Product.findByIdAndRemove(req.params.id, function (err) {
40 |         if (err) return next(err);
41 |         res.send('Deleted successfully!');
42 |     })
43 | };


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/models/product.js:
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 1 | var mongoose = require('mongoose');
 2 | var Schema = mongoose.Schema;
 3 | 
 4 | var ProductSchema = new Schema({
 5 |     name: {type: String, required: true, max: 100},
 6 |     price: {type: Number, required: true},
 7 | });
 8 | 
 9 | 
10 | // Export the model
11 | module.exports = mongoose.model('Product', ProductSchema);


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/package.json:
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 1 | {
 2 |   "name": "productsapp",
 3 |   "version": "1.0.0",
 4 |   "description": "",
 5 |   "main": "index.js",
 6 |   "scripts": {
 7 |     "test": "echo \"Error: no test specified\" && exit 1"
 8 |   },
 9 |   "author": "",
10 |   "license": "ISC",
11 |   "dependencies": {
12 |     "body-parser": "^1.18.2",
13 |     "express": "^4.16.3",
14 |     "mongoose": "^5.0.11"
15 |   }
16 | }
17 | 


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/routes/product.js:
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 1 | var express = require('express');
 2 | var router = express.Router();
 3 | 
 4 | // Require the controllers WHICH WE DID NOT CREATE YET!!
 5 | var product_controller = require('../controllers/product');
 6 | 
 7 | 
 8 | // a simple test url to check that all of our files are communicating correctly.
 9 | router.get('/test', product_controller.test);
10 | 
11 | 
12 | router.post('/create', product_controller.product_create);
13 | 
14 | router.get('/:id', product_controller.product_details);
15 | 
16 | router.put('/:id/update', product_controller.product_update);
17 | 
18 | router.delete('/:id/delete', product_controller.product_delete);
19 | 
20 | 
21 | module.exports = router;


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