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human readable time from seconds (helper)

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A very concise ruby on rails helper method that converts seconds into human readable format. It will not display any time periods that have 0 (ie: 1 hour 13 seconds - skipping minutes as there were none) Due to complexity, months were not factored into this converter, the function will go from weeks to years. I welcome anyone that feels the urge to fork this with month's included. ;)

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  1. def time_spent_in_words seconds, params={}
  2.   time_periods_shown = params[:time_periods_shown] || 3
  3.   use_short_names = params[:use_short_names] || false
  4.  
  5.   return "0 seconds" if seconds < 1
  6.   short_name = {:second => :sec, :minute => :min, :hour => :hr, :day => :day, :week => :wk, :year => :yr}
  7.   [[60, :second], [60, :minute], [24, :hour], [7, :day], [52, :week], [1000, :year]].map{ |count, name|
  8.     if seconds > 0
  9.       seconds, n = seconds.divmod(count)
  10.       name = short_name[name] if use_short_names
  11.       "#{n.to_i} #{name}".pluralize(n.to_i) if n.to_i > 0
  12.     end
  13.   }.compact.last(time_periods_shown).reverse.join(' ')
  14. end

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