constants.rb

include Carmen
ISLANDS = Country.named('United States').subregions.coded('HI').subregions.collect { |isle| isle.name }

gistfile1.txt

ActionController::RoutingError (uninitialized constant Refinery::Locations::Location::ISLANDS):
  vendor/extensions/locations/app/models/refinery/locations/location.rb:16:in `<class:Location>'
  vendor/extensions/locations/app/models/refinery/locations/location.rb:3:in `<module:Locations>'
  vendor/extensions/locations/app/models/refinery/locations/location.rb:2:in `<module:Refinery>'
  vendor/extensions/locations/app/models/refinery/locations/location.rb:1:in `<top (required)>'

locations.rb

module Refinery
  module Locations
    class Location < Refinery::Core::BaseModel
      self.table_name = 'refinery_locations'

      attr_accessible :name, :location_type, :island, :address, :address2, :city, :state, :postal_code, :country, :telephone, :fax, :hours, :notes, :longitude, :latitude, :display, :position

      LOCATION_TYPES = [
        "Store A",
        "Store B",
        "Store C"
      ]

      validates :name, :location_type, :island, :address, :address2, :city, :state, :postal_code, :country, :telephone, :presence => true
      validates :location_type, inclusion: LOCATION_TYPES
      validates :island, inclusion: ISLANDS

    end
  end
end