zkt25/z2/server.js

71 lines
1.7 KiB
JavaScript

const express = require('express');
const { Client } = require('pg');
const bodyParser = require('body-parser');
const path = require('path');
require('dotenv').config();
const app = express();
const port = 3000;
// Middleware
app.use(bodyParser.json());
app.use(express.static('public'));
// PostgreSQL config
const client = new Client({
host: process.env.DB_HOST,
port: process.env.DB_PORT,
user: process.env.DB_USER,
password: process.env.DB_PASSWORD,
database: process.env.DB_NAME
});
client.connect()
.then(() => {
console.log('Connected to PostgreSQL');
return client.query(`
CREATE TABLE IF NOT EXISTS todos (
id SERIAL PRIMARY KEY,
text VARCHAR(255) NOT NULL,
completed BOOLEAN DEFAULT false
);
`);
})
.then(() => console.log('Table ready'))
.catch(err => console.error('DB error:', err));
app.get('/api/todos', async (req, res) => {
try {
const result = await client.query('SELECT * FROM todos ORDER BY id DESC');
res.json(result.rows);
} catch (err) {
res.status(500).send('Error fetching todos');
}
});
app.post('/api/todos', async (req, res) => {
const { text } = req.body;
if (!text) return res.status(400).send('Missing todo text');
try {
await client.query('INSERT INTO todos (text) VALUES ($1)', [text]);
res.status(201).send('Todo added');
} catch (err) {
res.status(500).send('Error adding todo');
}
});
app.delete('/api/todos/:id', async (req, res) => {
const { id } = req.params;
try {
await client.query('DELETE FROM todos WHERE id = $1', [id]);
res.send('Todo deleted');
} catch (err) {
res.status(500).send('Error deleting todo');
}
});
app.listen(port, () => {
console.log(`Todo app listening at http://localhost:${port}`);
});