Module: Attrio::ClassMethods

Defined in:
lib/attrio.rb

Instance Method Summary collapse

Instance Method Details

#attrio ⇒ Object 



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# File 'lib/attrio.rb', line 24

def attrio
  @attrio ||= {}
end

#const_missing(name) ⇒ Object 



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# File 'lib/attrio.rb', line 65

def const_missing(name)
  Attrio::AttributesParser.cast_type(name) || super
end

#define_attributes(options = {}, &block) ⇒ Object 



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# File 'lib/attrio.rb', line 28

def define_attributes(options = {}, &block)
  as = options.delete(:as) || :attributes
  self.attrio[as] = options

  class_eval(<<-EOS, __FILE__, __LINE__ + 1)
    @#{as} ||= {}

    class << self
      def #{as}(attributes = [])
        attributes = Helpers.to_a(attributes).flatten
        return @#{as} if attributes.empty?

        attributes = @#{as}.keys & attributes
        @#{as}.select{ |k,v| attributes.include?(k) }
      end

      def inherited(subclass)
        subclass.instance_variable_set("@#{as}", instance_variable_get("@#{as}").dup)
      end
    end

    def #{as}(attributes = [])
      # self.class.#{as}(attributes)

      attributes = Helpers.to_a(attributes).flatten
      return @#{as} if attributes.empty?

      attributes = @#{as}.keys & attributes
      @#{as}.select{ |k,v| attributes.include?(k) }
    end
  EOS

  self.define_attrio_reset(as)

  Attrio::AttributesParser.new(self, as, &block)
end