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43 lines
1.5 KiB
Python
43 lines
1.5 KiB
Python
# Webhooks for external integrations.
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import re
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from django.http import HttpRequest, HttpResponse
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from zerver.decorator import webhook_view
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from zerver.lib.request import REQ, has_request_variables
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from zerver.lib.response import json_success
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from zerver.lib.validator import WildValue, check_string, to_wild_value
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from zerver.lib.webhooks.common import check_send_webhook_message
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from zerver.models import UserProfile
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@webhook_view("AppFollow")
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@has_request_variables
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def api_appfollow_webhook(
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request: HttpRequest,
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user_profile: UserProfile,
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payload: WildValue = REQ(argument_type="body", converter=to_wild_value),
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) -> HttpResponse:
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message = payload["text"].tame(check_string)
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app_name_search = re.search(r"\A(.+)", message)
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assert app_name_search is not None
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app_name = app_name_search.group(0)
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topic = app_name
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check_send_webhook_message(request, user_profile, topic, body=convert_markdown(message))
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return json_success(request)
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def convert_markdown(text: str) -> str:
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# Converts Slack-style Markdown to Zulip format
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# Implemented mainly for AppFollow messages
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# Not ready for general use as some edge-cases not handled
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# Convert bold
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text = re.sub(r"(?:(?<=\s)|(?<=^))\*(.+?\S)\*(?=\s|$)", r"**\1**", text)
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# Convert italics
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text = re.sub(r"\b_(\s*)(.+?)(\s*)_\b", r"\1*\2*\3", text)
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# Convert strikethrough
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text = re.sub(r"(?:(?<=\s)|(?<=^))~(.+?\S)~(?=\s|$)", r"~~\1~~", text)
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return text
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