Seb and Duncan's Solution to #spaconf2014

gistfile1.txt

class Bottles

  def song
    verses 99, 0
  end
  
  def verses(start, finish)
    (finish..start).map {|count| verse count}.reverse.join("\n")
  end

  def verse(count)
    <<-VERSE
#{bottle_phrase(count).capitalize} of beer on the wall, #{bottle_phrase count} of beer.
#{last_line count}
VERSE
  end
  
  def thing(count)
    if count == 1 then "it" else "one" end
  end
     
  def bottle_phrase(count)
    if count == 0 then
      "no more bottles"
    else
      "#{count} bottle#{count>1?'s':''}"
    end
  end

  def last_line(count)
    if count == 0 then
       "Go to the store and buy some more, 99 bottles of beer on the wall." 
     else
       "Take #{thing count} down and pass it around, #{bottle_phrase count-1 } of beer on the wall."
    end
  end
end

class PackBottles < Bottles
  def bottle_phrase count
    if (count == 6) then
      "1 six-pack"
    else
      super
    end
  end

end