Announce new blog posts on Discord and Telegram

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

FEED_URL = "https://yourblog.example.com/feed"
DISCORD_CHANNEL = "your-discord-channel-id"
TELEGRAM_CHAT = "@yourchannel"

@on_trigger
def run(event):
    seen = set(state.get("seen") or [])
    new = [e for e in feedparser.parse(http.get(FEED_URL).text).entries if e.get("id", e.link) not in seen]
    report_fetched(len(new))
    if not new:
        return {"summary": "Nothing new"}
    for e in reversed(new):
        teaser = e.get("summary", "")[:200]
        try:
            teaser = ai.generate(f"Write a 1-2 sentence teaser for this article.\n{e.title}\n{teaser[:1500]}", max_output_tokens=80).text.strip()
        except ai.AIError:
            pass
        text = f"{e.title}\n{teaser}\n{e.link}"
        http.post(f"https://discord.com/api/v10/channels/{DISCORD_CHANNEL}/messages",
                  headers={"Authorization": f"Bot {credentials.secret('DISCORD_BOT_TOKEN')}"}, json={"content": text})
        http.post(f"https://api.telegram.org/bot{credentials.secret('TELEGRAM_BOT_TOKEN')}/sendMessage",
                  json={"chat_id": TELEGRAM_CHAT, "text": text})
        seen.add(e.get("id", e.link))
    state.set("seen", sorted(seen)[-500:])
    return {"summary": f"{len(new)} posts announced"}