module Ecom
  module Core
    class DimensionElement < ApplicationRecord
      LENGTH = 'Length'.freeze
      WIDTH = 'Width'.freeze
      HEIGHT = 'Height'.freeze
      RADIUS = 'Radius'.freeze
      DIAMETER = 'Diameter'.freeze
      DIMENSION_ELEMENT_NAMES = %w[LENGTH WIDTH HEIGHT RADIUS DIAMETER].freeze

      validates :work_product_id, :work_product, :measurement_unit_id, :measurement_unit,
                :amount, :dimension_element_name, presence: true

      validates :dimension_element_name, inclusion: DIMENSION_ELEMENT_NAMES

      validates :amount, numericality: { greater_than: 0 }

      belongs_to :work_product
      belongs_to :measurement_unit
    end
  end
end