ActiveRecordAttributesEquality

module ActiveRecordAttributesEquality

  def self.included(klass)
    klass.class_eval do
      def ==(other)
        return false unless other.is_a? self.class

        if self.new_record? && other.new_record?
          self.attributes == other.attributes
        else
          super(other)
        end
      end
    end
  end # included

end # ActiveRecordAttributesEquality