Built because I'm lazy to check for badminton court availability one by one from the OnePA website. Built in a day, and subject to consistency of OnePA's website structure (works via webscraping).
Install python dependencies as follows:
python-telegram-bot
requests
beautifulsoup
Create a credentials.json file in the base directory, containing your telegram key under the telegram_key key. For example,
{
"telegram_key": "123456:abcdef"
}
Run python3 tele_interface.py