old_contents: # Webhooks for external integrations.
  from typing import Any, Dict
  
  from django.http import HttpRequest, HttpResponse
  
  from zerver.decorator import webhook_view
  from zerver.lib.request import REQ, has_request_variables
  from zerver.lib.response import json_success
  from zerver.lib.webhooks.common import check_send_webhook_message
  from zerver.models import UserProfile
  
  CRASHLYTICS_TOPIC_TEMPLATE = "{display_id}: {title}"
  CRASHLYTICS_MESSAGE_TEMPLATE = "[Issue]({url}) impacts at least {impacted_devices_count} device(s)."
  
  CRASHLYTICS_SETUP_TOPIC_TEMPLATE = "Setup"
  CRASHLYTICS_SETUP_MESSAGE_TEMPLATE = "Webhook has been successfully configured."
  
  VERIFICATION_EVENT = "verification"
  
  
  @webhook_view("Crashlytics")
  @has_request_variables
  def api_crashlytics_webhook(
      request: HttpRequest,
      user_profile: UserProfile,
      payload: Dict[str, Any] = REQ(argument_type="body"),
  ) -> HttpResponse:
      event = payload["event"]
      if event == VERIFICATION_EVENT:
          subject = CRASHLYTICS_SETUP_TOPIC_TEMPLATE
          body = CRASHLYTICS_SETUP_MESSAGE_TEMPLATE
      else:
          issue_body = payload["payload"]
          subject = CRASHLYTICS_TOPIC_TEMPLATE.format(
              display_id=issue_body["display_id"],
              title=issue_body["title"],
          )
          body = CRASHLYTICS_MESSAGE_TEMPLATE.format(
              impacted_devices_count=issue_body["impacted_devices_count"],
              url=issue_body["url"],
          )
  
      check_send_webhook_message(request, user_profile, subject, body)
      return json_success(request)
  
new_contents: # Webhooks for external integrations.
  from django.http import HttpRequest, HttpResponse
  
  from zerver.decorator import webhook_view
  from zerver.lib.request import REQ, has_request_variables
  from zerver.lib.response import json_success
  from zerver.lib.validator import WildValue, check_int, check_string, to_wild_value
  from zerver.lib.webhooks.common import check_send_webhook_message
  from zerver.models import UserProfile
  
  CRASHLYTICS_TOPIC_TEMPLATE = "{display_id}: {title}"
  CRASHLYTICS_MESSAGE_TEMPLATE = "[Issue]({url}) impacts at least {impacted_devices_count} device(s)."
  
  CRASHLYTICS_SETUP_TOPIC_TEMPLATE = "Setup"
  CRASHLYTICS_SETUP_MESSAGE_TEMPLATE = "Webhook has been successfully configured."
  
  VERIFICATION_EVENT = "verification"
  
  
  @webhook_view("Crashlytics")
  @has_request_variables
  def api_crashlytics_webhook(
      request: HttpRequest,
      user_profile: UserProfile,
      payload: WildValue = REQ(argument_type="body", converter=to_wild_value),
  ) -> HttpResponse:
      event = payload["event"]
      if event == VERIFICATION_EVENT:
          subject = CRASHLYTICS_SETUP_TOPIC_TEMPLATE
          body = CRASHLYTICS_SETUP_MESSAGE_TEMPLATE
      else:
          issue_body = payload["payload"]
          subject = CRASHLYTICS_TOPIC_TEMPLATE.format(
              display_id=issue_body["display_id"].tame(check_int),
              title=issue_body["title"].tame(check_string),
          )
          body = CRASHLYTICS_MESSAGE_TEMPLATE.format(
              impacted_devices_count=issue_body["impacted_devices_count"].tame(check_int),
              url=issue_body["url"].tame(check_string),
          )
  
      check_send_webhook_message(request, user_profile, subject, body)
      return json_success(request)
  
subject: Strengthen types using WildValue.