working on healthcheck api and auth api (#2)

Reviewed-on: #2
Co-authored-by: Joseph Nelson <joseph.nelson4456@gmail.com>
Co-committed-by: Joseph Nelson <joseph.nelson4456@gmail.com>

src/routes/auth/index.js

@@ -0,0 +1,75 @@
+import express from 'express'
+import jwt from 'jsonwebtoken'
+import bcrypt from 'bcryptjs'
+import { database } from '../../config'
+
+const { Pool } = require('pg')
+
+const router = express.Router()
+
+// Database connection pool
+const pool = new Pool(database)
+
+// Route to handle login and issue JWT token
+router.post('/login', async (req, res) => {
+	const { username, password } = req.body
+
+	try {
+		const client = await pool.connect()
+		const queryText = 'SELECT * FROM users WHERE username = $1'
+		const result = await client.query(queryText, [username])
+
+		if (!result.rows.length) {
+			return res.status(401).json({ message: 'Invalid credentials' })
+		}
+
+		const user = result.rows[0]
+
+		// Compare passwords
+		const passwordMatch = await bcrypt.compare(password, user.password)
+
+		if (!passwordMatch) {
+			return res.status(401).json({ message: 'Invalid credentials' })
+		}
+
+		// Issue JWT token
+		const token = jwt.sign(
+			{ id: user.id, username: user.username },
+			process.env.JWT_SECRET,
+			{ expiresIn: '1h' }
+		)
+
+		res.json({ token })
+	} catch (error) {
+		console.error(error)
+		res.status(500).json({ message: 'Internal server error' })
+	}
+})
+
+// Route to refresh JWT token
+router.post('/refresh-token', async (req, res) => {
+	const { refreshToken } = req.body
+
+	if (!refreshToken) {
+		return res.status(401).json({ message: 'Refresh token is required' })
+	}
+
+	try {
+		// Verify the refresh token
+		const decoded = jwt.verify(refreshToken, process.env.JWT_SECRET)
+
+		// Create a new access token (JWT)
+		const token = jwt.sign(
+			{ id: decoded.id, username: decoded.username },
+			process.env.JWT_SECRET,
+			{ expiresIn: '1h' }
+		)
+
+		res.json({ token })
+	} catch (error) {
+		console.error(error)
+		res.status(403).json({ message: 'Invalid refresh token' })
+	}
+})
+
+export default router

src/routes/healthcheck/index.js

@@ -0,0 +1,7 @@
+import express from 'express'
+
+const router = express.Router()
+
+router.get('/', (req, res) => res.json({ status: 'UP' }))
+
+export default router

src/routes/healthcheck/test.js

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+// src/routes/healthcheck/test.js
+
+import request from 'supertest'
+import app from '../../app'
+
+describe('Health Check Endpoint', () => {
+	it('should respond with status up', async () => {
+		const response = await request(app).get('/healthcheck')
+
+		expect(response.status).toBe(200)
+		expect(response.body).toEqual({ status: 'UP' })
+	})
+
+	it('should return a JSON response', async () => {
+		const response = await request(app).get('/healthcheck')
+
+		expect(response.type).toBe('application/json')
+	})
+})