zulip/zerver/webhooks/appfollow/view.py

40 lines
1.6 KiB
Python

# Webhooks for external integrations.
import re
from typing import Any, Dict, Text, Optional
from django.http import HttpRequest, HttpResponse
from django.utils.translation import ugettext as _
from zerver.decorator import api_key_only_webhook_view
from zerver.lib.actions import check_send_stream_message
from zerver.lib.request import REQ, has_request_variables
from zerver.lib.response import json_error, json_success
from zerver.models import UserProfile
@api_key_only_webhook_view("AppFollow")
@has_request_variables
def api_appfollow_webhook(request, user_profile, stream=REQ(default="appfollow"),
topic=REQ(default=None), payload=REQ(argument_type="body")):
# type: (HttpRequest, UserProfile, Text, Optional[Text], Dict[str, Any]) -> HttpResponse
message = payload["text"]
app_name = re.search('\A(.+)', message).group(0)
if topic is None:
topic = app_name
check_send_stream_message(sender=user_profile, client=request.client, stream_name=stream,
topic=topic, body=convert_markdown(message))
return json_success()
def convert_markdown(text: Text) -> Text:
# Converts Slack-style markdown to Zulip format
# Implemented mainly for AppFollow messages
# Not ready for general use as some edge-cases not handled
# Convert Bold
text = re.sub(r'(?:(?<=\s)|(?<=^))\*(.+?\S)\*(?=\s|$)', r'**\1**', text)
# Convert Italics
text = re.sub(r'\b_(\s*)(.+?)(\s*)_\b', r'\1*\2*\3', text)
# Convert Strikethrough
text = re.sub(r'(?:(?<=\s)|(?<=^))~(.+?\S)~(?=\s|$)', r'~~\1~~', text)
return text