Get summaries of yesterday's calendar meetings from Zoom

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

@on_trigger
def run(event):
    end = datetime.now(timezone.utc).replace(hour=0, minute=0, second=0, microsecond=0)
    cal = build("calendar", "v3", credentials=Credentials(credentials.connection("google", "work")), cache_discovery=False)
    events = cal.events().list(calendarId="primary", timeMin=(end - timedelta(days=1)).isoformat(), timeMax=end.isoformat(),
                               singleEvents=True).execute().get("items", [])
    zoom = {"Authorization": f"Bearer {credentials.connection('zoom', 'work')}"}
    day = (end - timedelta(days=1)).date().isoformat()
    recs = {str(m["id"]): m for m in http.get("https://api.zoom.us/v2/users/me/recordings", headers=zoom,
                                               params={"from": day, "to": day}).json()["meetings"]}
    parts = []
    for e in events:
        text = f"{e.get('location', '')} {e.get('description', '')}"
        rec = next((m for mid, m in recs.items() if mid in text.replace(" ", "")), None)
        files = [f for f in (rec or {}).get("recording_files", []) if f["file_type"] == "TRANSCRIPT"]
        if not files:
            parts.append(f"{e.get('summary')}: no recording")
            continue
        transcript = http.get(files[0]["download_url"], headers=zoom).text[:20000]
        parts.append(f"{e.get('summary')}\n" + ai.generate(f"Summary and action items:\n{transcript}", max_output_tokens=400).text)
    notify.email_me(f"Yesterday's meetings ({len(parts)})", "\n\n".join(parts) or "No meetings yesterday.")
    return {"meetings": len(parts)}