user = $user; } public function toArray($notifiable) { return [ ]; } public function toMail($notifiable) { $subject = (string)trans('email.used_backup_code_subject'); return (new MailMessage())->markdown('emails.security.used-backup-code', ['user' => $this->user])->subject($subject); } public function toSlack($notifiable) { $message = (string)trans('email.used_backup_code_slack', ['email' => $this->user->email]); return (new SlackMessage())->content($message); } public function via($notifiable) { /** @var null|User $user */ $user = auth()->user(); $slackUrl = null === $user ? '' : app('preferences')->getForUser(auth()->user(), 'slack_webhook_url', '')->data; if (is_array($slackUrl)) { $slackUrl = ''; } if (UrlValidator::isValidWebhookURL((string)$slackUrl)) { return ['mail', 'slack']; } return ['mail']; } }