authorization.py

import logging

from autoconv.autoconv_handler import AutoConvHandler
from autoconv.conversation import Conversation
from autoconv.state import State
from telegram.ext import (CallbackQueryHandler, CommandHandler,
                          ConversationHandler, Filters, MessageHandler,
                          Updater)

# Enable logging and port
logging.basicConfig(
    format="%(asctime)s - %(name)s - %(levelname)s - %(message)s", level=logging.INFO
)
logger = logging.getLogger(__name__)

# --------------------------------- Simple commands -----------------------------------


def error(update, context):
    logger.warning('Update "%s" caused error "%s"', update, context.error)


def start(update, context):
    update.message.reply_text(
        f"Welcome *{update.message.from_user.first_name}*!\n\nTry /example.",
        parse_mode="Markdown",
    )


def handle_text(update, context):
    update.message.delete()


# --------------------------------- Example AutoConv ----------------------------------

STATE = range(1)


# ---- FUNCS
def log_user(tdata):
    chat = tdata.update.effective_chat
    print(
        "> A user tried to access the bot: "
        f"{chat.username or chat.first_name} ({chat.id})"
    )


def new_users_list(tdata):
    new_user = tdata.sdata.get("add")
    return tdata.users + [new_user]


def get_users_list(tdata):
    # action happens before the refresh auth, so here we have the pre-refresh list
    new_user = tdata.sdata.get("add")
    new_list = tdata.users + [new_user]
    return "\n".join(map(str, new_list))


# ---- STATES
no_auth = State("no_auth", "This is a state for the *no authorized* users..")
no_auth.add_action(log_user)
no_auth.add_keyboard(["Retry"])

simple = State(
    "simple", "If you see this state, you are *authorized*.. _Yay_!!", back_button=False
)
simple.add_keyboard(["Next"])

add = State("add", "Add a new authorized *user*")
add.add_text(r"^\d{5,}$", "Must be a valid *Telegram ID* (5+ digits)")

users = State("users", "*Auth users list*\n\n@@@")
users.add_keyboard(["Next"])
users.add_action(get_users_list)
users.add_refresh_auth(new_users_list)
# this will update the auth users list

end = State("end", "This is the *end*.", back_button=False)

# ---- CONVERSATION
conv = Conversation(simple, end_state=end)
conv.set_defaults(params={"parse_mode": "Markdown"}, back_button="Back")
conv.add_authorized_users([18528224], no_auth)
# provide your telegram ID in the list above
conv.add_routes(simple, default=add)
conv.add_routes(add, default=users, back=simple)
conv.add_routes(users, default=end, back=add)


# ---- HANDLER
autoconv = AutoConvHandler(conv, STATE)


def autoconv_command(update, context):
    return autoconv.manage_conversation(update, context)


# MAIN --------------------------------------------------------------------------------


def main():
    """Bot instance"""
    updater = Updater("BOT-TOKEN")
    dp = updater.dispatcher

    # -----------------------------------------------------------------------

    # commands
    cmd_start = CommandHandler("start", start)

    # conversations
    autoconv = ConversationHandler(
        entry_points=[CommandHandler("example", autoconv_command)],
        states={
            STATE: [
                MessageHandler(Filters.all, autoconv_command),
                CallbackQueryHandler(autoconv_command),
            ]
        },
        fallbacks=[CommandHandler("start", start)],
        name="example-conversation",
    )

    # -----------------------------------------------------------------------

    # handlers - commands and conversations
    dp.add_handler(cmd_start)
    dp.add_handler(autoconv)

    # handlers - no command
    dp.add_handler(MessageHandler(Filters.all, handle_text))

    # handlers - error
    dp.add_error_handler(error)

    # ----------------------------------------------------------------------

    updater.start_polling()
    print("Bot started!")

    # Run the bot until you press Ctrl-C
    updater.idle()


if __name__ == "__main__":
    main()