Initial commit — Mek-Tech AI Consultancy Framework v2.0

routes/notifications.js

@@ -0,0 +1,72 @@
+const express = require('express');
+const router = express.Router();
+const { getDb } = require('../db');
+const https = require('https');
+const http = require('http');
+
+function sendSlack(webhookUrl, message) {
+  return new Promise((resolve) => {
+    if (!webhookUrl) return resolve(false);
+    const data = JSON.stringify({ text: message });
+    const url = new URL(webhookUrl);
+    const client = url.protocol === 'https:' ? https : http;
+    const req = client.request(webhookUrl, { method: 'POST', headers: { 'Content-Type': 'application/json', 'Content-Length': Buffer.byteLength(data) } }, (res) => {
+      let body = '';
+      res.on('data', c => body += c);
+      res.on('end', () => resolve(true));
+    });
+    req.on('error', () => resolve(false));
+    req.write(data);
+    req.end();
+  });
+}
+
+function createNotification(userId, type, title, message, channel) {
+  const db = getDb();
+  const result = db.prepare('INSERT INTO notifications (user_id, type, title, message, channel) VALUES (?,?,?,?,?)')
+    .run(userId || null, type, title, message || '', channel || 'in-app');
+  return result.lastInsertRowid;
+}
+
+async function sendNotification(userId, type, title, message) {
+  const db = getDb();
+  const nid = createNotification(userId, type, title, message, 'in-app');
+  const settings = db.prepare('SELECT * FROM user_settings WHERE user_id = ?').get(userId);
+  if (settings) {
+    if (settings.slack_webhook && type !== 'test') {
+      const user = db.prepare('SELECT username FROM users WHERE id = ?').get(userId);
+      const msg = `[Mek-Tech] ${title}: ${message}`;
+      sendSlack(settings.slack_webhook, msg).then(sent => {
+        if (sent) db.prepare("UPDATE notifications SET sent=1, channel='slack' WHERE id=?").run(nid);
+      });
+    }
+  }
+  return nid;
+}
+
+router.get('/', (req, res) => {
+  const db = getDb();
+  const notifications = db.prepare('SELECT * FROM notifications WHERE user_id = ? OR user_id IS NULL ORDER BY created_at DESC LIMIT 100').all(req.session.userId);
+  const unread = notifications.filter(n => !n.read).length;
+  res.render('notification-list', { notifications, unread });
+});
+
+router.post('/:id/read', (req, res) => {
+  const db = getDb();
+  db.prepare("UPDATE notifications SET read=1 WHERE id=? AND (user_id=? OR user_id IS NULL)").run(req.params.id, req.session.userId);
+  res.redirect('/notifications');
+});
+
+router.post('/read-all', (req, res) => {
+  const db = getDb();
+  db.prepare("UPDATE notifications SET read=1 WHERE user_id=? AND read=0").run(req.session.userId);
+  res.redirect('/notifications');
+});
+
+router.get('/api/unread', (req, res) => {
+  const db = getDb();
+  const count = db.prepare("SELECT COUNT(*) as cnt FROM notifications WHERE (user_id=? OR user_id IS NULL) AND read=0").get(req.session.userId);
+  res.json({ unread: count.cnt });
+});
+
+module.exports = { router, createNotification, sendNotification, sendSlack };