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