Get a Reddit digest summarised in Telegram

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

SUBS, CHAT, MIN_SCORE = ["homelab", "selfhosted"], 123456789, 500

def reddit(path, **params):
    headers = {"Authorization": "Bearer " + credentials.connection("reddit", "main"), "User-Agent": "clickruntime/1.0"}
    return [c["data"] for c in http.get(f"https://oauth.reddit.com{path}", headers=headers, params=params).json()["data"]["children"]]

@on_trigger
def run(event):
    seen = set(state.get("seen") or [])
    posts = [p for s in SUBS for p in reddit(f"/r/{s}/top", t="day", limit=25) if p["score"] >= MIN_SCORE and p["id"] not in seen]
    if not posts:
        return {"sent": 0}
    listing = "\n".join(f"- {p['title']} | {p['selftext'][:400]} | https://redd.it/{p['id']}" for p in posts)
    digest = ai.generate(listing, max_output_tokens=800, system="Summarise each post in one or two lines, keeping its link.").text
    http.post(f"https://api.telegram.org/bot{credentials.secret('TELEGRAM_BOT_TOKEN')}/sendMessage",
              json={"chat_id": CHAT, "text": f"Today on Reddit\n\n{digest}"[:4000]}).raise_for_status()
    state.set("seen", (list(seen) + [p["id"] for p in posts])[-2000:])
    return {"sent": len(posts)}