discourse/lib/freedom_patches/rails4.rb

# frozen_string_literal: true

# Sam: This has now forked of rails. Trouble is we would never like to use "about 1 month" ever, we only want months for 2 or more months.
#
# Backporting a fix to rails itself may get too complex
module FreedomPatches
  module Rails4
    def self.distance_of_time_in_words(
      from_time,
      to_time = 0,
      include_seconds = false,
      options = {}
    )
      options = { scope: :"datetime.distance_in_words" }.merge!(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 = (to_time.to_f - from_time.to_f).abs
      distance_in_minutes = (distance / 60.0).round
      distance_in_seconds = distance.round

      I18n.with_options locale: options[:locale], scope: options[:scope] do |locale|
        case distance_in_minutes
        when 0..1
          unless include_seconds
            return(
              (
                if distance_in_minutes == 0
                  locale.t(:less_than_x_minutes, count: 1)
                else
                  locale.t(:x_minutes, count: distance_in_minutes)
                end
              )
            )
          end

          case distance_in_seconds
          when 0..4
            locale.t :less_than_x_seconds, count: 5
          when 5..9
            locale.t :less_than_x_seconds, count: 10
          when 10..19
            locale.t :less_than_x_seconds, count: 20
          when 20..39
            locale.t :half_a_minute
          when 40..59
            locale.t :less_than_x_minutes, count: 1
          else
            locale.t :x_minutes, count: 1
          end
        when 2..44
          locale.t :x_minutes, count: distance_in_minutes
        when 45..89
          locale.t :about_x_hours, count: 1
        when 90..1439
          locale.t :about_x_hours, count: (distance_in_minutes.to_f / 60.0).round
        when 1440..2519
          locale.t :x_days, count: 1

          # this is were we diverge from Rails
        when 2520..129_599
          locale.t :x_days, count: (distance_in_minutes.to_f / 1440.0).round
        when 129_600..525_599
          locale.t :x_months, count: (distance_in_minutes.to_f / 43200.0).round
        else
          fyear = from_time.year
          fyear += 1 if from_time.month >= 3
          tyear = to_time.year
          tyear -= 1 if to_time.month < 3
          leap_years = (fyear > tyear) ? 0 : (fyear..tyear).count { |x| Date.leap?(x) }
          minute_offset_for_leap_year = leap_years * 1440
          # Discount the leap year days when calculating year distance.
          # e.g. if there are 20 leap year days between 2 dates having the same day
          # and month then the based on 365 days calculation
          # the distance in years will come out to over 80 years when in written
          # english it would read better as about 80 years.
          minutes_with_offset = distance_in_minutes - minute_offset_for_leap_year
          remainder = (minutes_with_offset % 525_600)
          distance_in_years = (minutes_with_offset / 525_600)
          if remainder < 131_400
            locale.t(:about_x_years, count: distance_in_years)
          elsif remainder < 394_200
            locale.t(:over_x_years, count: distance_in_years)
          else
            locale.t(:almost_x_years, count: distance_in_years + 1)
          end
        end
      end
    end

    def self.time_ago_in_words(from_time, include_seconds = false, options = {})
      distance_of_time_in_words(from_time, Time.now, include_seconds, options)
    end
  end
end