schedule.rb

  [:last, :this, :next].each do |week|
    define_method("#{week}_week") { schedule(week) }
  end
  
  def schedule(week)
    @schedule ||= YAML.load_file('schedule.yml')["schedule"]
    @schedule.select {|d| date_range(week.to_sym).include?(d)}
  end

  def date_range(week)
    today = Date.today
    # if it's the weekend, look at next week
    today = (today.saturday? || today.sunday?) ? today.next_week : today.monday
    start_date = case week
    when :this then today.monday
    when :next then today.next_week
    when :last then today.monday - 7
    end
    (start_date..(start_date+6))
  end