# Webhooks for external integrations. from typing import Any, Dict, Iterable, Optional, Text 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.lib.validator import check_dict, check_string from zerver.models import UserProfile @api_key_only_webhook_view('HelloWorld') @has_request_variables def api_helloworld_webhook(request: HttpRequest, user_profile: UserProfile, payload: Dict[str, Iterable[Dict[str, Any]]]=REQ(argument_type='body'), stream: Text=REQ(default='test'), topic: Optional[Text]=REQ(default='Hello World')) -> HttpResponse: # construct the body of the message body = 'Hello! I am happy to be here! :smile:' # try to add the Wikipedia article of the day body_template = '\nThe Wikipedia featured article for today is **[{featured_title}]({featured_url})**' body += body_template.format(**payload) # send the message check_send_stream_message(user_profile, request.client, stream, topic, body) return json_success()