tg-bot/tipbot/commands/register.py

import logging
from tipbot import wownero
from tipbot import db
from tipbot.helpers.decorators import wallet_rpc_required, log_event, check_debug


@wallet_rpc_required
@log_event
@check_debug
def register(update, context):
    uid = update.message.from_user['id']
    un = update.message.from_user['first_name']

    if db.User.filter(telegram_id=uid):
        if db.User.filter(telegram_id=uid, telegram_user=un):
            update.message.reply_text('You are already registered. Use /help to see available bot commands.')
        else:
            try:
                u = db.User.get(telegram_id=uid)
                u.telegram_user = un
                u.save()
                update.message.reply_text(f'You have been registered again as Telegram ID {uid} but with username {un}.')
            except Exception as e:
                logging.error(f'Unable to update user in DB: {e}. Debug: {update.message}')
                update.message.reply_text('Unable to update your existing account. Ask for help.')
                return False
    else:
        try:
            wallet = wownero.Wallet()
            account_index = wallet.new_account(label=un)
        except Exception as e:
            logging.error(f'Unable to create a new account in wallet RPC: {e}. Debug: {update.message}')
            update.message.reply_text('Unable to create a new account for you. Ask for help.')
            return False
        try:
            u = db.User(
                telegram_id=uid,
                telegram_user=un,
                account_index=account_index,
            )
            u.save()
            reply_text = [
                f'You have been registered as Telegram ID {uid} and username {un} and can now send and receive tips.',
                'Ask for /help to see all available bot commands. Maybe start with /deposit to get your deposit address.'
            ]
            update.message.reply_text(' '.join(reply_text))
        except Exception as e:
            logging.error(f'Unable to register user in DB: {e}. Debug: {update.message}')
            update.message.reply_text('Unable to create a new account for you. Ask for help.')
            return False