class EnterpriseRole < ActiveRecord::Base belongs_to :user, class_name: Spree.user_class belongs_to :enterprise validates :user_id, :enterprise_id, presence: true validates :enterprise_id, uniqueness: { scope: :user_id, message: I18n.t(:enterprise_role_uniqueness_error) } scope :by_user_email, -> { joins(:user).order('spree_users.email ASC') } end