Post new articles from a feed to Teams and Telegram

import feedparser
from clickruntime import on_trigger, credentials, http, state, ai, report_fetched

FEED = "https://blog.example.com/feed.xml"
TEAM_ID, CHANNEL_ID = "your-team-id", "your-channel-id"
TELEGRAM_CHAT = "@your_channel"

@on_trigger
def run(event):
    seen = set(state.get("seen") or [])
    items = [e for e in feedparser.parse(http.get(FEED).content).entries if e.link not in seen]
    report_fetched(len(items))
    if not items:
        return {"summary": "Nothing new"}
    graph = {"Authorization": f"Bearer {credentials.connection('microsoft', 'work')}"}
    token = credentials.secret("TELEGRAM_BOT_TOKEN")
    for e in items[:5]:
        try:
            blurb = ai.generate(f"{e.title}\n{e.get('summary', '')[:2000]}", system="Summarise in 2 sentences.", max_output_tokens=120).text.strip()
        except ai.AIError:
            blurb = e.title
        http.post(f"https://graph.microsoft.com/v1.0/teams/{TEAM_ID}/channels/{CHANNEL_ID}/messages", headers=graph,
                  json={"body": {"contentType": "html", "content": f"<b>{e.title}</b><br>{blurb}<br><a href='{e.link}'>{e.link}</a>"}})
        http.post(f"https://api.telegram.org/bot{token}/sendMessage", json={"chat_id": TELEGRAM_CHAT, "text": f"{e.title}\n\n{blurb}\n{e.link}"})
    state.set("seen", (list(seen) + [e.link for e in items])[-300:])
    return {"posted": min(len(items), 5)}