jingle_bells.rb

gistfile1.rb

#!/usr/bin/env ruby

class JingleBells
  def initialize
    @jingle_count = 0
  end

  def can_jingle?
    @jingle_count < 2
  end

  def jingle
    @jingle_count += 1
    'Jingle Bells'
  end

  def all_the_way
    'Jingle All the Way'
  end
end

class Sleigh
  attr_reader :number_of_horses, :type

  def initialize(number_of_horses: 2, type: :coach)
    @number_of_horses = number_of_horses
    @type = type
  end

  def fun_to_ride?
    @number_of_horses == 1 && @type == :open
  end
end

jingle_bells = JingleBells.new
3.times do
  if jingle_bells.can_jingle?
    puts jingle_bells.jingle
  else
    puts jingle_bells.all_the_way
  end
end

sleigh = Sleigh.new(number_of_horses: 1, type: :open)
if sleigh.fun_to_ride?
  puts "Oh what fun it is to ride a #{sleigh.number_of_horses} horse #{sleigh.type} sleigh"
end