Badge-System: personal/general Split, Punkte ohne Zahl, SW by-v328

backend/routes/notifications.py

@@ -40,6 +40,35 @@ async def unread_count(user=Depends(get_current_user)):
     return {"count": row[0]}
 
 
+# ------------------------------------------------------------------
+# GET /api/notifications/badge  — Dot-Indikatoren für Header
+# personal: Chat, Freunde, Trainer, Sitting, Gesundheit, Meilensteine
+# general:  Gassi-Treffen, Giftköder, Verlorene Hunde, Wetter
+# ------------------------------------------------------------------
+_PERSONAL = {
+    'chat_message', 'friend_request', 'weekly_praise',
+    'health_reminder', 'milestone',
+    'sitting_request', 'sitting_confirmed', 'sitting_cancelled',
+}
+_GENERAL = {
+    'walk_invite', 'lost_dog_alert', 'poison_alert',
+    'weather_heat', 'weather_thunder',
+}
+
+@router.get("/badge")
+async def badge_status(user=Depends(get_current_user)):
+    with db() as conn:
+        rows = conn.execute(
+            "SELECT DISTINCT type FROM notifications WHERE user_id=? AND read_at IS NULL",
+            (user["id"],),
+        ).fetchall()
+    types = {r["type"] for r in rows}
+    return {
+        "personal": bool(types & _PERSONAL),
+        "general":  bool(types & _GENERAL),
+    }
+
+
 # ------------------------------------------------------------------
 # PATCH /api/notifications/read-all  — alle als gelesen markieren
 # ------------------------------------------------------------------