## # Category Scheme 是分类体系。 # 所有者(owner)可以是系统(System)、标准(Standard)、或者某个参与者(Party,如:Person、Shop、Company)。 module Unidom module Category class CategoryScheme < ApplicationRecord self.table_name = 'unidom_category_schemes' include Unidom::Common::Concerns::ModelExtension belongs_to :owner, polymorphic: true has_many :categories, class_name: 'Unidom::Category::Category', foreign_key: :scheme_id validates :name, presence: true, length: { in: 2..self.columns_hash['name'].limit } scope :owned_by, ->(owner) { where owner: owner } end unless Unidom::Common::Neglection.namespace_neglected? 'Unidom::Category::CategoryScheme' end end