distance_of_time_in_words (ActionView::Helpers::DateHelper)

    # File lib/action_view/helpers/date_helper.rb, line 59
          def distance_of_time_in_words(from_time, to_time = 0, include_seconds = false, options = {})
            from_time = from_time.to_time if from_time.respond_to?(:to_time)
            to_time = to_time.to_time if to_time.respond_to?(:to_time)
            distance_in_minutes = (((to_time - from_time).abs)/60).round
            distance_in_seconds = ((to_time - from_time).abs).round

            I18n.with_options :locale => options[:locale], :scope => 'datetime.distance_in_words''datetime.distance_in_words' do |locale|
              case distance_in_minutes
                when 0..1
                  return distance_in_minutes == 0 ?
                         locale.t(:less_than_x_minutes, :count => 1) :
                         locale.t(:x_minutes, :count => distance_in_minutes) unless include_seconds

                  case distance_in_seconds
                    when 0..4   then locale.t :less_than_x_seconds, :count => 5
                    when 5..9   then locale.t :less_than_x_seconds, :count => 10
                    when 10..19 then locale.t :less_than_x_seconds, :count => 20
                    when 20..39 then locale.t :half_a_minute
                    when 40..59 then locale.t :less_than_x_minutes, :count => 1
                    else             locale.t :x_minutes,           :count => 1
                  end

                when 2..44           then locale.t :x_minutes,      :count => distance_in_minutes
                when 45..89          then locale.t :about_x_hours,  :count => 1
                when 90..1439        then locale.t :about_x_hours,  :count => (distance_in_minutes.to_f / 60.0).round
                when 1440..2879      then locale.t :x_days,         :count => 1
                when 2880..43199     then locale.t :x_days,         :count => (distance_in_minutes / 1440).round
                when 43200..86399    then locale.t :about_x_months, :count => 1
                when 86400..525599   then locale.t :x_months,       :count => (distance_in_minutes / 43200).round
                when 525600..1051199 then locale.t :about_x_years,  :count => 1
                else                      locale.t :over_x_years,   :count => (distance_in_minutes / 525600).round
              end
            end
          end