xmas.rb

# TODO: Implement a method which returns
# the number of days until next Xmas
require 'date'

def compute_result(year, today)
  xmas = Date.new(year,12,25)
  xmas - today
end

def days_until_xmas
  # définir la date du jour
  today = Date.today
  #récupérrer l'année
  year = today.year
  # définir la date de noël
  diff = compute_result(year, today)
  # verifier si result est negatif
  if diff.to_i < 0
    # si oui
    #   incrementer year
    year += 1
    #   redefinir la date de noel
    #   reclalculer result
    diff = compute_result(year, today)
  end
  #   renvoyer le résultat
  return diff.to_i
end

puts days_until_xmas

puts days_until_xmas.class == Integer
puts days_until_xmas >= 0
puts days_until_xmas == 169