discourse/lib/freedom_patches/rails4.rb

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2013-02-06 03:16:51 +08:00
# this file can be deleted when we port to rails4
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
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..2519 then locale.t :x_days, :count => 1
when 2520..43199 then locale.t :x_days, :count => (distance_in_minutes.to_f / 1440.0).round
when 43200..86399 then locale.t :about_x_months, :count => 1
when 86400..525599 then 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 % 525600)
distance_in_years = (minutes_with_offset / 525600)
if remainder < 131400
locale.t(:about_x_years, :count => distance_in_years)
elsif remainder < 394200
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