added image and location APIs (#4)

Reviewed-on: #4
Co-authored-by: Joseph Nelson <joseph.nelson4456@gmail.com>
Co-committed-by: Joseph Nelson <joseph.nelson4456@gmail.com>

src/routes/locations/index.js

@@ -0,0 +1,95 @@
+import express from 'express'
+import { Pool } from 'pg'
+import { database } from '../../config'
+
+const { check, validationResult } = require('express-validator')
+
+const router = express.Router()
+
+// Create a connection pool to the database
+const pool = new Pool(database)
+
+// Create a new location
+router.post(
+	'/',
+	[check('name', 'Name is required').not().isEmpty()],
+	async (req, res) => {
+		const errors = validationResult(req)
+		if (!errors.isEmpty()) {
+			return res.status(400).json({ errors: errors.array() })
+		}
+		try {
+			const { name } = req.body
+			await pool.query(
+				'INSERT INTO locations (name, created_at, updated_at) VALUES ($1, NOW(), NOW())',
+				[name]
+			)
+			res.send({ message: 'Location created' })
+		} catch (err) {
+			console.error(err.message)
+			res.status(500).send('Server error')
+		}
+	}
+)
+
+// Get all locations
+router.get('/', async (req, res) => {
+	try {
+		const result = await pool.query('SELECT * FROM locations')
+		res.send(result.rows)
+	} catch (err) {
+		console.error(err.message)
+		res.status(500).send('Server error')
+	}
+})
+
+// Get a single location by ID
+router.get('/:id', async (req, res) => {
+	try {
+		const result = await pool.query('SELECT * FROM locations WHERE id = $1', [
+			req.params.id,
+		])
+		if (result.rows.length === 0)
+			return res.status(404).send('Location not found')
+		res.send(result.rows[0])
+	} catch (err) {
+		console.error(err.message)
+		res.status(500).send('Server error')
+	}
+})
+
+// Update a location
+router.put(
+	'/:id',
+	[check('name', 'Name is required').not().isEmpty()],
+	async (req, res) => {
+		const errors = validationResult(req)
+		if (!errors.isEmpty()) {
+			return res.status(400).json({ errors: errors.array() })
+		}
+		try {
+			const { name } = req.body
+			await pool.query(
+				'UPDATE locations SET name = $1, updated_at = NOW() WHERE id = $2',
+				[name, req.params.id]
+			)
+			res.send({ message: 'Location updated' })
+		} catch (err) {
+			console.error(err.message)
+			res.status(500).send('Server error')
+		}
+	}
+)
+
+// Delete a location
+router.delete('/:id', async (req, res) => {
+	try {
+		await pool.query('DELETE FROM locations WHERE id = $1', [req.params.id])
+		res.send({ message: 'Location deleted' })
+	} catch (err) {
+		console.error(err.message)
+		res.status(500).send('Server error')
+	}
+})
+
+export default router