require_dependency 'webpush' if SiteSetting.vapid_public_key.blank? || SiteSetting.vapid_private_key.blank? || SiteSetting.vapid_public_key_bytes.blank? vapid_key = Webpush.generate_key SiteSetting.vapid_public_key = vapid_key.public_key SiteSetting.vapid_private_key = vapid_key.private_key end SiteSetting.vapid_public_key_bytes = Base64.urlsafe_decode64(SiteSetting.vapid_public_key).bytes.join("|") DiscourseEvent.on(:user_logged_out) do |user| PushNotificationPusher.clear_subscriptions(user) end