Class: Object

Inherits:
BasicObject
Defined in:
lib/act_as_enumerable.rb

Class Method Summary collapse

Class Method Details

.enum(name, enumeration) ⇒ Object 



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# File 'lib/act_as_enumerable.rb', line 16

def self.enum name, enumeration
  name = name.to_s
  class_eval "
    attr_accessor :#{name}
    def self.#{name}_values
      #{enumeration}
    end
    def self.#{name}_captions
      #{enumeration}.map do |value|
        humanize_#{name} value
      end
    end"
  enumeration.each do |value|
    value = value.to_s
    eval "
      def #{value}?
        self.#{name} == '#{value}'
      end
      def #{value}!
        self.#{name} = '#{value}'
      end"
  end
  eval "
    def humanize_#{name} value
      value = value.to_s
      begin
        Required::Module::const_get 'I18n'
        ::I18n.t \"enum.#{self.to_s.underscore}.#{name}.#{'#{value}'}\"
      rescue NameError
        value
      end
    end
    def #{name}_caption
      self.#{name}.nil? ? self.#{name} : humanize_#{name}(self.#{name})
    end"

  # validates_inclusion_of name.to_sym, { allow_nil: true, in: enumeration } if self.ancestors.include? 'ActiveRecord::Base'
end