Rails - Convert Seconds to readable time - time_spent_in_words

gistfile1.rb

# Source: http://snipplr.com/view/73984/human-readable-time-from-seconds-helper/

  def time_spent_in_words seconds, params={}
    time_periods_shown = params[:time_periods_shown] || 3
    use_short_names = params[:use_short_names] || false
     
    return "0 seconds" if seconds < 1
    short_name = {:second => :sec, :minute => :min, :hour => :hr, :day => :day, :week => :wk, :year => :yr}
    [[60, :second], [60, :minute], [24, :hour], [7, :day], [52, :week], [1000, :year]].map{ |count, name|
    if seconds > 0
      seconds, n = seconds.divmod(count)
      name = short_name[name] if use_short_names
      "#{n.to_i} #{name}".pluralize(n.to_i) if n.to_i > 0
    end
    }.compact.last(time_periods_shown).reverse.join(' ')
  end