module Comable class ShipmentMethod < ActiveRecord::Base validates :name, presence: true, length: { maximum: 255 } validates :fee, presence: true, numericality: { greater_than_or_equal_to: 0 } validates :traking_url, length: { maximum: 255 } scope :activated, -> { where(activate_flag: true) } scope :deactivated, -> { where(activate_flag: false) } end end