class SiteConfigController < ApplicationController before_action :require_admin! def index @config = SiteConfig.document end def update SiteConfig.document.update_attributes( notice_fingerprinter: filtered_update_params) flash[:success] = 'Updated site config' redirect_to action: :index end private def filtered_update_params params. require(:site_config). require(:notice_fingerprinter_attributes). permit( :error_class, :message, :backtrace_lines, :component, :action, :environment_name) end end