mirror of https://github.com/zulip/zulip.git
78 lines
2.9 KiB
Python
78 lines
2.9 KiB
Python
# Webhooks for external integrations.
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import re
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from typing import Any, Dict, List
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from django.http import HttpRequest, HttpResponse
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from zerver.decorator import api_key_only_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.webhooks.common import UnexpectedWebhookEventType, check_send_webhook_message
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from zerver.models import UserProfile
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TOPIC_TEMPLATE = "{service_url}"
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def send_message_for_event(request: HttpRequest, user_profile: UserProfile,
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event: Dict[str, Any]) -> None:
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event_type = get_event_type(event)
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subject = TOPIC_TEMPLATE.format(service_url=event['check']['url'])
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body = EVENT_TYPE_BODY_MAPPER[event_type](event)
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check_send_webhook_message(request, user_profile, subject, body)
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def get_body_for_up_event(event: Dict[str, Any]) -> str:
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body = "Service is `up`"
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event_downtime = event['downtime']
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if event_downtime['started_at']:
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body = f"{body} again"
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string_date = get_time_string_based_on_duration(event_downtime['duration'])
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if string_date:
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body = f"{body} after {string_date}"
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return f"{body}."
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def get_time_string_based_on_duration(duration: int) -> str:
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days, reminder = divmod(duration, 86400)
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hours, reminder = divmod(reminder, 3600)
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minutes, seconds = divmod(reminder, 60)
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string_date = ''
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string_date += add_time_part_to_string_date_if_needed(days, 'day')
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string_date += add_time_part_to_string_date_if_needed(hours, 'hour')
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string_date += add_time_part_to_string_date_if_needed(minutes, 'minute')
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string_date += add_time_part_to_string_date_if_needed(seconds, 'second')
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return string_date.rstrip()
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def add_time_part_to_string_date_if_needed(value: int, text_name: str) -> str:
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if value == 1:
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return f"1 {text_name} "
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if value > 1:
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return f"{value} {text_name}s "
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return ''
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def get_body_for_down_event(event: Dict[str, Any]) -> str:
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return "Service is `down`. It returned a {} error at {}.".format(
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event['downtime']['error'],
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event['downtime']['started_at'].replace('T', ' ').replace('Z', ' UTC'))
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@api_key_only_webhook_view('Updown')
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@has_request_variables
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def api_updown_webhook(
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request: HttpRequest, user_profile: UserProfile,
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payload: List[Dict[str, Any]]=REQ(argument_type='body'),
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) -> HttpResponse:
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for event in payload:
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send_message_for_event(request, user_profile, event)
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return json_success()
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EVENT_TYPE_BODY_MAPPER = {
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'up': get_body_for_up_event,
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'down': get_body_for_down_event,
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}
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def get_event_type(event: Dict[str, Any]) -> str:
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event_type_match = re.match('check.(.*)', event['event'])
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if event_type_match:
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event_type = event_type_match.group(1)
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if event_type in EVENT_TYPE_BODY_MAPPER:
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return event_type
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raise UnexpectedWebhookEventType('Updown', event['event'])
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