Feature: ORS-Stats im Admin-Panel — Tagesverbrauch/2000, 30-Tage-Sparkline, Top-Nutzer — SW by-v485, APP_VER 462

backend/routes/admin.py

@@ -853,6 +853,54 @@ async def admin_delete_zuchter(zuchter_id: int, user=Depends(require_mod)):
 # ------------------------------------------------------------------
 # POST /api/admin/media/generate-previews — Previews für Bestandsmedien
 # ------------------------------------------------------------------
+@router.get("/ors/stats")
+async def ors_stats(user=Depends(require_mod)):
+    """ORS-Routenvorschlag Statistiken für Admin-Panel."""
+    with db() as conn:
+        # Heute
+        today = __import__('datetime').date.today().isoformat()
+        today_row = conn.execute(
+            "SELECT COALESCE(count,0) as count FROM ors_daily_total WHERE date=?", (today,)
+        ).fetchone()
+        today_count = today_row["count"] if today_row else 0
+
+        # Letzte 30 Tage (Verlauf)
+        daily_history = conn.execute("""
+            SELECT date, count FROM ors_daily_total
+            WHERE date >= DATE('now', '-29 days')
+            ORDER BY date ASC
+        """).fetchall()
+
+        # Letzte 8 Wochen (Wochensummen aus route_suggest_usage)
+        weekly_totals = conn.execute("""
+            SELECT week, SUM(count) as count
+            FROM route_suggest_usage
+            WHERE week >= DATE('now', '-56 days')
+            GROUP BY week ORDER BY week ASC
+        """).fetchall()
+
+        # Top-Nutzer (alle Zeiten)
+        top_users = conn.execute("""
+            SELECT u.name, u.email,
+                   SUM(r.count) as total,
+                   MAX(r.week)  as last_week
+            FROM route_suggest_usage r
+            JOIN users u ON u.id = r.user_id
+            GROUP BY r.user_id
+            ORDER BY total DESC
+            LIMIT 15
+        """).fetchall()
+
+    return {
+        "today_count":   today_count,
+        "today_limit":   2000,
+        "daily_history": [{"date": r["date"], "count": r["count"]} for r in daily_history],
+        "weekly_totals": [{"week": r["week"], "count": r["count"]} for r in weekly_totals],
+        "top_users":     [{"name": r["name"], "email": r["email"],
+                           "total": r["total"], "last_week": r["last_week"]} for r in top_users],
+    }
+
+
 @router.post("/media/generate-previews")
 async def generate_media_previews(user=Depends(require_admin)):
     """Generiert fehlende _preview.jpg für alle Bilder in /data/media."""