Module: EnumAttr::Mixin

Included in:
MixinForActiveRecord
Defined in:
lib/enum_attr_base.rb

Instance Method Summary collapse

Instance Method Details

#enum_attr(attr, enums) ⇒ Object 



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# File 'lib/enum_attr_base.rb', line 5

def enum_attr(attr, enums)
  raise "The secone param must be a array!" unless enums.is_a? Array

  if self.superclass == Object
    attr_accessor attr.to_sym
  end

  attr = attr.to_s

  enums.each do |enum|
    const_set("#{attr.upcase}_#{enum[2].upcase}", enum[1] )

    class_eval(%Q{
      def #{attr}_#{enum[2]}?
        #{attr} == #{enum[1]}
      end
    })

  end # end: enums.each

  self.class_eval(%Q{

ENUMS_#{attr.upcase} = enums.collect{|item| [item[0], item[1]]}

def self.#{attr}_name_by(arg)
  ENUMS_#{attr.upcase}.find{|option| option[1] == arg }[0] rescue ""
end

def #{attr}_name
  ENUMS_#{attr.upcase}.find{|option| option[1] == #{attr}}[0] rescue "" unless #{attr}.nil?
end

})
end