Dockerfile

FROM python

RUN pip install --no-cache-dir furl requests loguru

RUN curl -so main.py 'https://gist.githubusercontent.com/devxpy/2abbe49fa2acb6958eb4d828f50c4467/raw/db60e263a7e345bae31869f5e037f1f87bc54b6b/main.py'

CMD ["python", "main.py"]

main.py

import os
from time import sleep

import requests
from furl import furl
from loguru import logger

BOT_TOKEN = os.environ["BOT_TOKEN"]
GUILD_ID = os.environ["GUILD_ID"]
CLIENT_ID = os.environ["CLIENT_ID"]

BASE_URL = "https://discord.com/api/v10"

AUTH_HEADER = {
    "Authorization": f"Bot {BOT_TOKEN}",
    "User-Agent": f"DiscordBot (https://discord.com/oauth2/authorize?client_id={CLIENT_ID}, v0.1)",
}


def main():
    while True:
        channels = get_guild_channels(GUILD_ID)
        channels.sort(key=channel_sort_order)
        modify_guild_channel_positions(
            GUILD_ID,
            [dict(id=c["id"], position=i) for i, c in enumerate(channels)],
        )
        logger.info("new order: " + " | ".join([c["name"] for c in channels]))
        sleep(10)


def channel_sort_order(channel: dict):
    if channel.get("parent_id") and (last_message_id := channel.get("last_message_id")):
        return -int(last_message_id) >> 22
    if channel["type"] == 4 and (position := channel.get("position")):
        return position
    return 0


def get_guild_channels(guild_id: str) -> list:
    r = requests.get(
        furl(BASE_URL) / "guilds" / guild_id / "channels",
        headers=AUTH_HEADER,
    )
    assert r.ok, r.text
    ret = r.json()
    logger.debug(ret)
    return ret


def modify_guild_channel_positions(guild_id: str, data: list):
    r = requests.patch(
        furl(BASE_URL) / "guilds" / guild_id / "channels",
        headers=AUTH_HEADER,
        json=data,
    )
    assert r.ok, r.text


if __name__ == "__main__":
    main()