rene
65d1cf6c7f
- Bottom-Nav neu: Karte | Routen | + | Tagebuch | Forum - + reduziert auf: Giftköder, Gassi-Treffen, Verlorener Hund - Notification-Badge auf User-Avatar (Header) - Nearby-Alerts: Nav-Leiste pulsiert rot/orange bei Giftköder/vermisstm Hund in 20km - SW postMessage bei poison/lost_alert → sofortiger Alert-Check - Karten-FABs: nur Marker setzen + Standort (Route aufzeichnen + Offline entfernt) - SW by-v272, APP_VER 262
36 lines
1.1 KiB
Python
36 lines
1.1 KiB
Python
"""BAN YARO — Nearby Alerts (Giftköder + Vermisste Hunde)"""
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import math
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from datetime import datetime
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from fastapi import APIRouter
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from database import db
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router = APIRouter()
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_RADIUS_M = 20_000 # 20 km
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def _haversine(lat1: float, lon1: float, lat2: float, lon2: float) -> float:
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R = 6_371_000
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p1, p2 = math.radians(lat1), math.radians(lat2)
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dp = math.radians(lat2 - lat1)
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dl = math.radians(lon2 - lon1)
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a = math.sin(dp / 2) ** 2 + math.cos(p1) * math.cos(p2) * math.sin(dl / 2) ** 2
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return 2 * R * math.asin(math.sqrt(a))
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@router.get("")
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async def nearby_alerts(lat: float, lon: float):
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now = datetime.utcnow().isoformat()
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with db() as conn:
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poisons = conn.execute(
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"SELECT lat, lon FROM poison WHERE geloest=0 AND expires_at > ?", (now,)
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).fetchall()
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lost = conn.execute(
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"SELECT lat, lon FROM lost_dogs WHERE is_active=1"
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).fetchall()
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has_poison = any(_haversine(lat, lon, r["lat"], r["lon"]) <= _RADIUS_M for r in poisons)
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has_lost = any(_haversine(lat, lon, r["lat"], r["lon"]) <= _RADIUS_M for r in lost)
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return {"poison": has_poison, "lost": has_lost}
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