56 lines
1.7 KiB
Python
56 lines
1.7 KiB
Python
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from datetime import datetime, timedelta
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from typing import Optional
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.models import Vehicle, Position, Event
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from app.config import settings
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async def detect_events(
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db: AsyncSession,
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vehicle: Vehicle,
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current: Position,
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previous: Optional[Position]
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) -> list[Event]:
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"""Обнаружение событий на основе новой позиции"""
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events = []
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# Check for overspeed
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if current.speed > settings.overspeed_limit:
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event = Event(
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vehicle_id=vehicle.id,
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timestamp=current.timestamp,
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type="OVERSPEED",
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payload={
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"speed": current.speed,
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"limit": settings.overspeed_limit,
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"lat": current.lat,
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"lon": current.lon
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}
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)
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db.add(event)
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await db.commit()
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await db.refresh(event)
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events.append(event)
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# Check for long stop (if speed is 0 and was 0 for a while)
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if previous and current.speed < 2 and previous.speed < 2:
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time_diff = current.timestamp - previous.timestamp
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if time_diff >= timedelta(minutes=settings.long_stop_minutes):
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event = Event(
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vehicle_id=vehicle.id,
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timestamp=current.timestamp,
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type="LONG_STOP",
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payload={
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"duration_minutes": time_diff.total_seconds() / 60,
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"lat": current.lat,
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"lon": current.lon
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}
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)
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db.add(event)
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await db.commit()
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await db.refresh(event)
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events.append(event)
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return events
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