GPT

Express.js API Example

// src/server.js import express from 'express'; import { userService } from './services/userService.js'; const app = express(); app.use(express.json()); // Get all users app.get('/users', async (req, res) = { try { c

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// src/server.js
import express from 'express';
import { userService } from './services/userService.js';

const app = express();
app.use(express.json());

// Get all users
app.get('/users', async (req, res) => {
 try {
 const users = await userService.getUsers();
 res.json(users);
 } catch (error) {
 res.status(500).json({ error: error.message });
 }
});

// Get user by ID
app.get('/users/:id', async (req, res) => {
 try {
 const user = await userService.getUserById(parseInt(req.params.id));
 if (!user) {
 return res.status(404).json({ error: 'User not found' });
 }
 res.json(user);
 } catch (error) {
 res.status(500).json({ error: error.message });
 }
});

// Create user
app.post('/users', async (req, res) => {
 try {
 const user = await userService.createUser(req.body);
 res.status(201).json(user);
 } catch (error) {
 res.status(500).json({ error: error.message });
 }
});

// Update user
app.put('/users/:id', async (req, res) => {
 try {
 const user = await userService.updateUser(parseInt(req.params.id), req.body);
 if (!user) {
 return res.status(404).json({ error: 'User not found' });
 }
 res.json(user);
 } catch (error) {
 res.status(500).json({ error: error.message });
 }
});

// Delete user
app.delete('/users/:id', async (req, res) => {
 try {
 await userService.deleteUser(parseInt(req.params.id));
 res.status(204).send();
 } catch (error) {
 res.status(500).json({ error: error.message });
 }
});

const PORT = process.env.PORT || 3000;
app.listen(PORT, () => {
 console.log(`Server running on port ${PORT}`);
});

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