first commit

package.json

@@ -4,17 +4,18 @@
   "description": "",
   "main": "index.js",
   "scripts": {
+    "start": "nodemon src/index.js",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "keywords": [],
   "author": "",
   "license": "ISC",
   "dependencies": {
+    "body-parser": "^1.19.0",
     "express": "^4.17.1",
-    "mongodb": "^3.4.1"
+    "mongoose": "^5.8.3"
   },
   "devDependencies": {
-    "eslint": "^6.8.0",
-    "eslint-plugin-node": "^11.0.0"
+    "nodemon": "^2.0.2"
   }
 }

src/index.js

@@ -0,0 +1,13 @@
+const express = require('express');
+const bodyParser = require('body-parser');
+const port = process.env.port || '3000';
+
+const app = express();
+app.use(bodyParser.json());
+app.use(bodyParser.urlencoded({ extended: true }));
+
+const routes = require('./routes/contact');
+
+app.use('/api', routes);
+
+app.listen(port, () => console.log(`API running on port ${port}`));

src/models/contact.js

@@ -0,0 +1,8 @@
+const mongoose = require('mongoose');
+const Schema = mongoose.Schema;
+
+const ContactSchema = new Schema({
+    name: {type: String, required: true, max: 200}
+});
+
+module.exports = mongoose.model('Contact', ContactSchema);

src/routes/contact.js

@@ -0,0 +1,15 @@
+const express = require('express');
+const router = express.Router();
+
+const service = require('../services/contact');
+const contactAPI = '/contact';
+
+router.get('/', (req, res) => res.send('Hello World!'));
+
+router.get(contactAPI, (req, res) => service.getAll(req, res));
+router.get(`${contactAPI}/:id`, (req, res) => service.getById(req, res));
+router.post(contactAPI, (req, res) => service.post(req, res));
+router.put(`${contactAPI}/:id`, (req, res) => service.put(req, res));
+router.delete(`${contactAPI}/:id`, (req, res) => service.remove(req, res));
+
+module.exports = router;

src/services/contact.js

@@ -0,0 +1,58 @@
+const Contact = require('../models/contact');
+require('./mongo').connect();
+
+async function getAll(req, res) {
+    try {
+        var records = await Contact.find().exec();
+        res.send(records);
+    } catch (error) {
+        res.status(500).send(error);
+    }
+}
+
+async function getById(req, res) {
+    try {
+        var record = await Contact.findById(req.params.id).exec();
+        res.send(record);
+    } catch (error) {
+        res.status(500).send(error);
+    }
+}
+
+async function post(req, res) {
+    try {
+        var record = new Contact(req.body);
+        var record = await record.save();
+        res.status(200).json(record);
+    } catch (error) {
+        res.status(500).send(error);
+    }
+}
+
+async function put(req, res) {
+    try {
+        var record = await Contact.findById(req.params.id).exec();
+        record.set(req.body);
+        var record = await record.save();
+        res.send(record);
+    } catch (error) {
+        res.status(500).send(error);
+    }
+}
+
+async function remove(req, res) {
+    try {
+        var record = await Contact.deleteOne({ _id: req.params.id }).exec();
+        res.send(record);
+    } catch (error) {
+        res.status(500).send(error);
+    }
+}
+
+module.exports = {
+    getAll,
+    getById,
+    post,
+    put,
+    remove
+};

src/services/mongo.js

@@ -0,0 +1,14 @@
+const mongoose = require('mongoose');
+
+mongoose.Promise = global.Promise;
+const mongoUri = 'mongodb://localhost/tutorials';
+
+function connect() {
+  mongoose.set('debug', true);
+  return mongoose.connect(mongoUri, { useNewUrlParser: true });
+}
+
+module.exports = {
+  connect,
+  mongoose
+};

testAPI.http

@@ -0,0 +1,27 @@
+http://localhost:3000/api/contact
+
+###
+
+GET http://localhost:3000/api/contact/5e0ce5c57afd9b6ead5a87f1
+
+###
+
+POST http://localhost:3000/api/contact HTTP/1.1
+content-type: application/json
+
+{
+    "name": "Java"
+}
+
+###
+
+PUT http://localhost:3000/api/contact/5e0ce5c57afd9b6ead5a87f1 HTTP/1.1
+content-type: application/json
+
+{
+    "name": "Java OO"
+}
+
+###
+
+DELETE http://localhost:3000/api/contact/5e0ce5c57afd9b6ead5a87f1