Only On

only_on.rb

# Run code only if it's a certain day of the week
# e.g.
# on(:monday) do
#   puts "it's monday"
# end
module OnlyOn

  def on(day, options = {})
    yield if block_given? && day_of_week == day
  end

  private

  def day_of_week
    [:sunday, :monday, :tuesday, :wednesday, :thursday, :friday, :saturday, :sunday][Time.now.wday]
  end

end