Module: Enumable::ClassMethods

Defined in:
lib/enumable.rb

Instance Method Summary collapse

Instance Method Details

#has_enumable_attribute(attribute, types) ⇒ Object

TODO support default values



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# File 'lib/enumable.rb', line 11

def has_enumable_attribute(attribute, types)
  # getter
  define_method attribute do
    types.invert[read_attribute(attribute)]
  end

  # setter
  define_method "#{attribute}=" do |value|
    unless value.is_a? Fixnum
      value = value.to_sym
      raise "Undefined #{attribute}: #{value}" unless types[value]
      value = types[value]
    end
    write_attribute(attribute, value)
  end

  define_singleton_method(attribute) do |value|
    where(attribute => types[value])
  end
end