Get a morning digest of yesterday's Gong calls

from datetime import datetime, timedelta, timezone
from clickruntime import on_trigger, credentials, notify, http, ai

@on_trigger
def run(event):
    auth = (credentials.secret("GONG_ACCESS_KEY"), credentials.secret("GONG_ACCESS_SECRET"))
    since = (datetime.now(timezone.utc) - timedelta(hours=24)).isoformat()
    resp = http.get("https://api.gong.io/v2/calls", auth=auth, params={"fromDateTime": since})
    calls = resp.json().get("calls", []) if resp.status_code != 404 else []
    if not calls:
        notify.email_me("Gong digest: no calls yesterday", "No Gong calls in the last 24 hours.")
        return {"calls": 0}
    titles = {c["id"]: c["title"] for c in calls}
    transcripts = http.post("https://api.gong.io/v2/calls/transcript", auth=auth,
                            json={"filter": {"callIds": list(titles)}}).json()["callTranscripts"]
    parts = []
    for t in transcripts:
        text = " ".join(s["text"] for p in t["transcript"] for s in p["sentences"])
        parts.append(f"## {titles[t['callId']]}\n{text[:6000]}")
    digest = ai.generate("Write a digest of these sales calls grouped by account, with key objections "
                         "and next steps for each.\n\n" + "\n\n".join(parts), max_output_tokens=1500).text
    notify.email_me(f"Gong digest: {len(calls)} calls", digest)
    return {"calls": len(calls)}