43 lines
1.5 KiB
Python
43 lines
1.5 KiB
Python
# scheduler/scheduler.py
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from scheduler.db_utils import get_active_events
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import paho.mqtt.client as mqtt
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import json
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import datetime
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import time
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def main():
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# Fix für die veraltete API - explizit callback_api_version setzen
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client = mqtt.Client(callback_api_version=mqtt.CallbackAPIVersion.VERSION2)
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client.connect("mqtt", 1883)
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POLL_INTERVAL = 10 # Sekunden
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last_sent_event_ids = set()
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while True:
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now = datetime.datetime.now()
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# Hole alle Events, die jetzt aktiv sind (start < now < end)
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events = get_active_events(now, now)
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current_event_ids = set(event.id for event in events)
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# Sende nur neue Events (die noch nicht gesendet wurden)
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new_event_ids = current_event_ids - last_sent_event_ids
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for event in events:
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if event.id in new_event_ids:
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# Beispiel: Sende Event-Daten als JSON auf Topic "infoscreen/events"
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payload = json.dumps({
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"id": event.id,
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"title": getattr(event, "title", ""),
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"start": str(getattr(event, "start", "")),
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"end": str(getattr(event, "end", "")),
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"group_id": getattr(event, "group_id", None),
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})
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client.publish("infoscreen/events", payload)
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print(f"Event {event.id} gesendet: {payload}")
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last_sent_event_ids = current_event_ids
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time.sleep(POLL_INTERVAL)
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if __name__ == "__main__":
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main()
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