├── .gitignore
├── README.md
├── db
    └── db_connection.js
├── index.js
├── package.json
└── routes
    └── admin.js


/.gitignore:
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1 | .idea
2 | /node_modules
3 | package-lock.json
4 | 


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/README.md:
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1 | # Express-API 
2 | 


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/db/db_connection.js:
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 1 | var mysql = require('mysql')
 2 | var database;
 3 | 
 4 | function getConnection(){
 5 |     if (database){
 6 |         database = mysql.createConnection(
 7 |             {
 8 |                 host:'localhost',
 9 |                 user:'root',
10 |                 password:'1023',
11 |                 database:'expressjsAPI'
12 |             }
13 |         );
14 |     }
15 |     return database;
16 | }
17 | 
18 | module.exports = getConnection();


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/index.js:
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 1 | const express = require('express')
 2 | var admin = require('./routes/admin')
 3 | 
 4 | const app = express()
 5 | const port = 3000
 6 | 
 7 | app.use('/admin',admin);
 8 | 
 9 | app.listen(port,() =>{
10 |     console.log("Express API running on port "+port)
11 | })


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/package.json:
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 1 | {
 2 |   "name": "express-api",
 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": "Mindula Dilthushan",
10 |   "license": "ISC",
11 |   "dependencies": {
12 |     "express": "^4.17.1",
13 |     "mysql": "^2.18.1",
14 |     "nodemon": "^2.0.13"
15 |   }
16 | }
17 | 


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/routes/admin.js:
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 1 | var express = require('express')
 2 | const connection = require('../db/db_connection')
 3 | 
 4 | var router = express.Router()
 5 | 
 6 | //Get Method--------------------------------------------
 7 | router.get('/', function (req, res) {
 8 |     connection.query('SELECT * FROM Admin', function (err, rows) {
 9 |         if (err) throw err
10 |         res.json(rows)
11 |     })
12 | })
13 | 
14 | //Post Method--------------------------------------------
15 | router.post('/', function (req, res) {
16 |     connection.query('INSERT INTO Admin VALUES(?,?,?)', [req.headers.adminId, req.headers.adminName, req.headers.adminEmail], function (err, rows) {
17 |         if (err) throw err
18 |         res.json(rows);
19 |     })
20 | })
21 | 
22 | //Delete Method--------------------------------------------
23 | router.delete('/', function (req, res) {
24 |     connection.query('DELETE FROM Admin WHERE adminId=?', req.headers.id, function (err, rows) {
25 |         if (err) throw err
26 |         res.json(rows)
27 |     })
28 | })
29 | 
30 | //Put Method--------------------------------------------
31 | router.put('/', function (req, res) {
32 |     connection.query('UPDATE Admin set adminName=?, adminEmail=? WHERE adminId=?', [req.headers.adminName, req.headers.adminEmail,req.headers.adminId], function (err, rows) {
33 |         if (err) throw err
34 |         res.json(rows)
35 |     })
36 | })
37 | 
38 | module.exports = router


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