Post a daily digest of top Reddit posts to Slack and Discord

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

SUBREDDITS = ["devops", "selfhosted"]
DISCORD_CHANNEL_ID = "your-discord-channel-id"

@on_trigger
def run(event):
    seen = set(state.get("seen") or [])
    posts = []
    for sub in SUBREDDITS:
        data = http.get(f"https://www.reddit.com/r/{sub}/top.json", params={"t": "day", "limit": 10}, headers={"User-Agent": "clickruntime-digest"}).json()
        posts += [p["data"] for p in data["data"]["children"] if p["data"]["id"] not in seen]
    if not posts:
        return {"posts": 0}
    lines = "\n".join(f"{i}. [{p['subreddit']}] {p['title']} {p['selftext'][:300]} https://reddit.com{p['permalink']}" for i, p in enumerate(posts, 1))
    try:
        digest = ai.generate(lines, system="Pick the 8 most useful posts. One line each: summary then link.", max_output_tokens=700).text
    except ai.AIError:
        digest = "\n".join(f"{p['title']} https://reddit.com{p['permalink']}" for p in posts[:8])
    notify.slack("Today's digest\n" + digest, channel="#news")
    http.post(f"https://discord.com/api/v10/channels/{DISCORD_CHANNEL_ID}/messages",
              headers={"Authorization": f"Bot {credentials.secret('DISCORD_BOT_TOKEN')}"}, json={"content": ("Today's digest\n" + digest)[:2000]})
    state.set("seen", (list(seen) + [p["id"] for p in posts])[-1000:])
    return {"posts": len(posts)}