isitopen

docker-compose.yml

version: '3.8'
services:
    isitopen:
        build: .
        restart: unless-stopped

Dockerfile

FROM python:3.8
ADD ./requirements.txt .
RUN python3 -m pip install -r requirements.txt
ADD ./main.py .
ENTRYPOINT ["./main.py"]

main.py

#!/usr/bin/env python3.8

import logging
import time

import requests
import irc.client


def notify(msg):
    client = irc.client.Reactor()
    server = client.server()
    server.connect("irc.freenode.net", 6667, "hsldzat")

    def on_connect(connection, event):
        connection.join("#hakierspejs")

    def on_join(connection, event):
        connection.privmsg("#hakierspejs", msg)
        connection.quit()
        raise RuntimeError()

    client.add_global_handler("welcome", on_connect)
    client.add_global_handler("join", on_join)
    try:
        client.process_forever()
    except RuntimeError:
        pass


def isitopen():
    return bool(
        len(
            requests.get(
                "https://at.hs-ldz.pl/api/v1/users?online=true"
            ).json()
        )
    )


def is_status_stable(nowisopen, num_checks):
    for i in range(num_checks):
        if isitopen() != nowisopen:
            return False
        time.sleep(60)
    return True


def main():
    isopen = isitopen()
    while True:
        time.sleep(600)
        nowisopen = isitopen()
        if nowisopen and not isopen:
            if is_status_stable(nowisopen, num_checks=1):
                notify("Spejs jest otwarty! Więcej info: https://at.hs-ldz.pl")
                isopen = nowisopen
        elif isopen and not nowisopen:
            if is_status_stable(nowisopen, num_checks=15):
                notify(
                    "Spejs jest zamknięty! Więcej info: https://at.hs-ldz.pl"
                )
                isopen = nowisopen


if __name__ == "__main__":
    logging.basicConfig(level="DEBUG")
    main()

pyproject.toml

[tool.black]
line-length = 79
target-version = ['py37']

requirements.txt

requests
irc