from bot import Bot import logging from report import Report from twx.botapi import TelegramBot as Telegram logger = logging.getLogger(__name__) class TelegramBot(Bot): def crawl(self, user): tb = Telegram(user.get_telegram_credentials()) seen_tg = user.get_seen_tg() try: updates = tb.get_updates(offset=seen_tg + 1, allowed_updates="message").wait() except TypeError: updates = tb.get_updates().wait() reports = [] if updates == None: return reports for update in updates: # return when telegram returns an error code if update in [303, 404, 420, 500, 502]: return reports if isinstance(update, int): try: logger.error("City " + str(user.uid) + ": Unknown Telegram error code: " + str(update) + " - " + str(updates[1])) except TypeError: logger.error("Unknown Telegram error code: " + str(update)) return reports user.save_seen_tg(update.update_id) if update.message.photo: tb.send_message( update.message.sender.id, "Sending Photos is not supported for privacy reasons. Can " "you describe it as text instead?") continue if update.message.text.lower() == "/start": user.add_telegram_subscribers(update.message.sender.id) tb.send_message( update.message.sender.id, "You are now subscribed to report notifications.") # TODO: /start message should be set in frontend elif update.message.text.lower() == "/stop": user.remove_telegram_subscribers(update.message.sender.id) tb.send_message( update.message.sender.id, "You are now unsubscribed from report notifications.") # TODO: /stop message should be set in frontend elif update.message.text.lower() == "/help": tb.send_message( update.message.sender.id, "Send reports here to share them with other users. " "Use /start and /stop to get reports or not.") # TODO: /help message should be set in frontend else: # set report.author to "" to avoid mailbot crash sender_name = update.message.sender.username if sender_name is None: sender_name = "" reports.append(Report(sender_name, self, update.message.text, None, update.message.date)) return reports def post(self, user, report): tb = Telegram(user.get_telegram_credentials()) text = report.text if len(text) > 4096: text = text[:4096 - 2] + " \N{Horizontal ellipsis}" try: for subscriber_id in user.get_telegram_subscribers(): tb.send_message(subscriber_id, text).wait() except Exception: logger.error('Error telegramming: ' + user.get_city() + ': ' + str(report.id), exc_info=True)