Files
noah-6a426fea762485cd9a634857/backend/src/index.ts

96 lines
3.0 KiB
TypeScript

import 'dotenv/config';
import path from 'path';
import { fileURLToPath } from 'url';
import cors from 'cors';
import cron from 'node-cron';
import express, { type NextFunction, type Request, type Response } from 'express';
import { buildApiPath, getConfig } from './config';
import { TursoClient } from './lib/db';
import { createHealthRouter } from './routes/health';
import { createTodosRouter } from './routes/todos';
const __dirname = path.dirname(fileURLToPath(import.meta.url));
const config = getConfig();
const app = express();
const db = new TursoClient(config);
app.disable('x-powered-by');
app.use(cors({ origin: config.corsOrigin === '*' ? true : config.corsOrigin }));
app.use(express.json({ limit: '1mb' }));
const apiRoot = config.apiPrefix || '/';
app.use(apiRoot, createHealthRouter(config));
app.use(apiRoot, createTodosRouter(config, db));
cron.schedule('*/3 * * * *', () => {
console.log('[Cron A] Heartbeat executing every 3 minutes: ' + new Date().toISOString());
});
cron.schedule('*/10 * * * *', () => {
console.log('[Cron B] Heartbeat executing every 10 minutes: ' + new Date().toISOString());
});
app.post('/_cron/tick', (req, res) => {
const token = req.headers.authorization?.replace(/^Bearer\s+/i, '') || '';
const expected = process.env.CRON_TOKEN || '';
if (!expected || token !== expected) {
res.status(401).json({ success: false, error: 'Invalid cron token' });
return;
}
console.log('[Tick] Heartbeat received. Waking up event loop.');
res.status(200).json({ success: true });
});
const publicDir = path.join(__dirname, '../public');
app.use(express.static(publicDir));
app.get('/{*path}', (req, res, next) => {
if (req.path.startsWith(apiRoot)) return next();
if (req.path === '/_cron/tick') return next();
// Do not serve HTML for static assets or requests that do not accept HTML
const isAsset = /\.[a-z0-9]{2,4}$/i.test(req.path);
const acceptsHtml = req.headers.accept?.includes('text/html');
if (isAsset || !acceptsHtml) {
res.status(404).json({ success: false, error: 'Not found' });
return;
}
if (req.path.startsWith('/mobile')) {
res.sendFile(path.join(publicDir, 'mobile/index.html'), (err) => {
if (err) next();
});
return;
}
if (req.path.startsWith('/games')) {
res.sendFile(path.join(publicDir, 'games/index.html'), (err) => {
if (err) next();
});
return;
}
res.sendFile(path.join(publicDir, 'index.html'), (err) => {
if (err) next();
});
});
app.use((_req, res) => {
res.status(404).json({ success: false, error: 'Not found' });
});
app.use((error: Error, _req: Request, res: Response, _next: NextFunction) => {
const status = /required|invalid|missing/i.test(error.message) ? 400 : 500;
res.status(status).json({
success: false,
error: error.message || 'Unhandled error',
});
});
app.listen(config.port, '0.0.0.0', () => {
const healthPath = buildApiPath(config, '/health');
console.log(`Backend todo template listening on port ${config.port}`);
console.log(`Health check available at ${healthPath}`);
});