Add a Zoom link to every meeting that's missing one

from datetime import datetime, timedelta, timezone
from google.oauth2.credentials import Credentials
from googleapiclient.discovery import build
from clickruntime import on_trigger, credentials, http, state

@on_trigger
def run(event):
    cal = build("calendar", "v3", credentials=Credentials(credentials.connection("google", "work")), cache_discovery=False)
    now = datetime.now(timezone.utc)
    events = cal.events().list(calendarId="primary", timeMin=now.isoformat(), timeMax=(now + timedelta(days=7)).isoformat(),
                               singleEvents=True).execute().get("items", [])
    done = state.get("done") or []
    added = 0
    for e in events:
        text = f"{e.get('location', '')} {e.get('description', '')} {e.get('hangoutLink', '')}"
        if e["id"] in done or not e.get("organizer", {}).get("self") or len(e.get("attendees", [])) < 2 \
                or any(k in text for k in ("zoom.us", "meet.google", "teams.microsoft")):
            continue
        meeting = http.post("https://api.zoom.us/v2/users/me/meetings",
                            headers={"Authorization": f"Bearer {credentials.connection('zoom', 'work')}"},
                            json={"topic": e.get("summary", "Meeting"), "type": 2, "start_time": e["start"]["dateTime"]}).json()
        cal.events().patch(calendarId="primary", eventId=e["id"],
                           body={"location": meeting["join_url"], "description": f"{e.get('description', '')}\nJoin Zoom: {meeting['join_url']}"}).execute()
        done.append(e["id"])
        added += 1
    state.set("done", done[-500:])
    return {"added": added}