The things we do for legacy databases

boolean_char.rb

require 'dm-core'

class BooleanChar < DataMapper::Property::String

  def primitive?(value)
    super || value == true || value == false
  end

  # prepare for model use
  def load(value)
    case value
    when 'Y'
      true
    when 'N'
      false
    else
      nil
    end
  end

  # prepare for database
  def dump(value)
    case value
    when true
      'Y'
    when false
      'N'
    end
  end

end # class BooleanChar