zulip/bots/feedback-bot

#!/usr/bin/env python
import sys
from os import path
import logging

sys.path.append(path.join(path.dirname(__file__), '../api'))
import zulip
sys.path.append(path.join(path.dirname(__file__), '../zproject'))
import local_settings

class StreamLogger(object):
    """
    Give a file-like interface to a logger instance.
    """
    def __init__(self, logger, log_level=logging.INFO):
        self.logger = logger
        self.log_level = log_level
        self.buffer = ""

    def write(self, message):
        self.buffer += message

        if message[-1] == "\n":
            self.logger.log(self.log_level, self.buffer.rstrip())
            self.buffer = ""

logging.basicConfig(filename="/var/log/zulip/feedback-bot.log",
                    level=logging.DEBUG, format="%(asctime)s %(levelname)s\t%(message)s")

# The API prints to stdout, so capture and format those messages as well.
stdout_logger = StreamLogger(logging.getLogger("stdout"), logging.INFO)
sys.stdout = stdout_logger

stderr_logger = StreamLogger(logging.getLogger("stderr"), logging.ERROR)
sys.stderr = stderr_logger

prod_client = zulip.Client(
    email="feedback@zulip.com",
    api_key=local_settings.FEEDBACK_BOT_KEY,
    verbose=True,
    site="https://api.zulip.com")
staging_client = zulip.Client(
    email="feedback@zulip.com",
    api_key=local_settings.FEEDBACK_BOT_KEY,
    verbose=True,
    site="https://staging.zulip.com/api")

def get_ticket_number():
    fn = '/var/tmp/.feedback-bot-ticket-number'
    try:
        ticket_number = int(open(fn).read()) + 1
    except:
        ticket_number = 1
    open(fn, 'w').write('%d' % ticket_number)
    return ticket_number

def forward_message(message):
    if message["type"] != "private" or len(message["display_recipient"]) != 2:
        return

    if "sender_domain" in message:
        subject = "feedback: %s (%s)" % (message["sender_email"], message["sender_domain"])
    else:
        subject = "feedback from %s" % message["sender_email"],
    if len(subject) > 60:
        subject = subject[:57].rstrip() + "..."

    ticket_number = get_ticket_number()
    content = '@support, Please ack this new request.'
    content += '\n~~~'
    content += '\nticket Z%03d' % (ticket_number,)
    content += '\nsender: %s' % (message['sender_full_name'],)
    content += '\nemail: %s' % (message['sender_email'],)
    if 'sender_domain' in message:
        content += '\nrealm: %s' % (message['sender_domain'],)
    content += '\n~~~'

    content += '\n\n'
    content += message['content']

    forwarded_message = {
        "type": "stream",
        "to": "support",
        "subject": subject,
        "content": content,
        }
    staging_client.send_message(forwarded_message)
    logging.info("Forwarded feedback from %s" % (message["sender_email"],))

prod_client.call_on_each_message(forward_message)