Push-Erinnerungen: Widget, Backend-Scheduler, Pushover-Versand jede Minute

backend/src/index.js

@@ -68,3 +68,33 @@ app.use(express.static(PUBLIC));
 app.get('*', (_req, res) => res.sendFile(path.join(PUBLIC, 'index.html')));
 
 app.listen(4000, () => console.log('🚀 Dicken Dock läuft auf Port 4000'));
+
+// ── Push-Zeitplaner Hintergrund-Job ──────────────────────────────────────────
+const db = require('./db');
+
+async function sendPushoverMsg(userKey, appToken, message) {
+  try {
+    await fetch('https://api.pushover.net/1/messages.json', {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
+      body: new URLSearchParams({ token: appToken, user: userKey, title: 'DickenDock Erinnerung', message }),
+    });
+  } catch(e) { console.error('Pushover Fehler:', e.message); }
+}
+
+setInterval(async () => {
+  try {
+    const due = db.prepare(`
+      SELECT s.*, p.user_key, p.app_token
+      FROM push_schedules s
+      JOIN pushover_settings p ON p.user_id = s.user_id
+      WHERE s.sent = 0 AND s.scheduled_at <= datetime('now','localtime')
+    `).all();
+
+    for (const row of due) {
+      await sendPushoverMsg(row.user_key, row.app_token, row.message);
+      db.prepare('UPDATE push_schedules SET sent=1 WHERE id=?').run(row.id);
+      console.log(`✓ Push gesendet an user ${row.user_id}: ${row.message}`);
+    }
+  } catch(e) { console.error('Push-Job Fehler:', e.message); }
+}, 60 * 1000); // jede Minute