BigW Consortium Gitlab
module InternalId extend ActiveSupport::Concern included do validate :set_iid, on: :create validates :iid, presence: true, numericality: true end def set_iid max_iid = project.send(self.class.name.tableize).maximum(:iid) self.iid = max_iid.to_i + 1 end def to_param iid.to_s end end