def method_missing(name, *args)
      if name.to_s == "#{model_name.underscore}_params"
        return params.reject{|k,v| %w(splat captures id updated_at created_at).include? k}
      end
    end
def method_missing(name, *args)
      if name.to_s == "#{model_name.underscore}_params"
        return params.reject{|k,v| %w(splat captures id updated_at created_at).include? k}
      end
    end
create/update scope defaults to all data given in the POST/PUT