Ruby Reek/Rubocop için absurd OOP örneği

absurd.rb

# Refinements is a ...
module Refinements
  refine Hash do
    def methodize!
      each_pair do |key, value|
        self.class.send :define_method, key.to_s, (proc { value })
      end
    end
  end
end

# Person is a ...
class Person
  attr_reader :firstname, :lastname, :nationality

  def initialize(firstname, lastname, nation)
    @firstname = firstname
    @lastname = lastname
    @nationality = Nationality.new(nation)
  end

  def self.create(firstname, lastname, nation)
    new(firstname, lastname, nation)
  end

  def fullname
    "#{firstname} #{lastname}"
  end

  def to_s
    "#{fullname}, #{nationality}"
  end

  private_class_method :new
end

# Nationality is a ...
class Nationality
  attr_accessor :nation

  using Refinements

  NATIONS = {
    tr: 'Türkiye Cumhuriyeti',
    en: 'İngiltere',
    uk: 'Birleşik Krallık',
    es: 'İspanya',
    fr: 'Fransa'
  }.freeze

  def initialize(nation)
    @nation = nation
    NATIONS.methodize!
  end

  def country
    NATIONS.send(nation)
  end

  def to_s
    country
  end
end

def ask(prompt)
  $stderr.print prompt
  gets.chomp.force_encoding 'utf-8'
end

if __FILE__ == $PROGRAM_NAME
  firstname = ask 'Adınız: '
  lastname = ask 'Soyadınız: '

  person = Person.create(firstname, lastname, :tr)
  $stderr.puts person

  person.nationality.nation = :en
  $stderr.puts person
end