person.rb

# person now inherits from nameable
require_relative './nameable'

class Person < Nameable
  # getters and setters
  attr_reader :id
  attr_accessor :name, :age

  # constructor
  def initialize(age, name = 'Unknown', parent_permission = 'true')
    super()
    @id = Random.rand(1..1000)
    @name = name
    @age = age
    @parent_permission = parent_permission
  end

  # private method that returns bolean
  def of_age?
    @age >= 18
  end

  private :of_age?

  def correct_name
    @name
  end

  def add_rental(rental)
    @rental.push(rental)
    rental.person = self
  end

  # private method that returns bolean
  def can_use_services?
    of_age? || @parent_permission
  end
end