module Uuidable::ActiveRecord::ClassMethods

ClassMethods

Public Instance Methods

uuidable(as_param: true) click to toggle source
Calls superclass method
# File lib/uuidable/active_record.rb, line 22
def uuidable(as_param: true)
  after_initialize { self.uuid = Uuidable.generate_uuid if attributes.keys.include?('uuid') && uuid.blank? }
  validates :uuid, presence: true, uniqueness: true, if: :uuid_changed?

  if as_param
    define_method :to_param do
      uuid
    end
  end

  define_method :uuid= do |val|
    raise UuidChangeError, 'Uuid changing is bad idea!' unless new_record? || uuid.blank? || uuid == val

    super(val)
  end
end