Get a research brief before every external meeting

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

MY_DOMAIN = "yourcompany.com"

@on_trigger
def run(event):
    creds = Credentials(credentials.connection("google", "work"))
    now = datetime.now(timezone.utc)
    events = build("calendar", "v3", credentials=creds, cache_discovery=False).events().list(
        calendarId="primary", timeMin=(now + timedelta(minutes=45)).isoformat(),
        timeMax=(now + timedelta(minutes=75)).isoformat(), singleEvents=True).execute().get("items", [])
    done = set(state.get("briefed") or [])
    gmail = build("gmail", "v1", credentials=creds, cache_discovery=False)
    for ev in events:
        domains = {a["email"].split("@")[1] for a in ev.get("attendees", []) if not a["email"].endswith(MY_DOMAIN)}
        if not domains or ev["id"] in done:
            continue
        dom = sorted(domains)[0]
        site = http.get(f"https://{dom}", timeout=10).text[:6000]
        news = http.get("https://news.google.com/rss/search", params={"q": dom}).text[:4000]
        ids = gmail.users().messages().list(userId="me", q=f"from:{dom} OR to:{dom}", maxResults=5).execute().get("messages", [])
        past = [gmail.users().messages().get(userId="me", id=m["id"]).execute()["snippet"] for m in ids]
        brief = ai.generate(["Write a short pre-meeting brief: who they are, recent news, where our conversation stands.",
                             site, news, "\n".join(past)], max_output_tokens=600).text
        notify.email_me(f"Brief: {ev.get('summary', dom)}", brief)
        done.add(ev["id"])
    state.set("briefed", list(done)[-200:])
    return {"meetings": len(events)}