Class: Time

Inherits:
Object
  • Object
show all
Defined in:
lib/thin_out_backups/time_fixes.rb,
lib/thin_out_backups/time_fixes.rb

Overview

Until facets gets patched proper, we’ll monkey patch it here: TODO: Is this still needed? require ‘/home/tyler/dev/ruby/facets/lib/core/facets/time/hence’

Instance Method Summary collapse

Instance Method Details

#ago(number, units = :seconds) ⇒ Object

Returns a new Time representing the time a number of time-units ago.



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# File 'lib/thin_out_backups/time_fixes.rb', line 16

def ago(number, units=:seconds)
  time =(
    case units.to_s.downcase.to_sym
    when :years
      set(:year => (year - number))
    when :months
      y = ((month - number) / 12).to_i
      #puts "(#{month} - #{number}) / 12 == #{y}"

      new_month = ((month - number - 1) % 12) + 1
      y += 1 if new_month > month
      #puts y

      set(:year => (year - y), :month => new_month)
    when :weeks
      self - (number * 604800)
    when :days
      self - (number * 86400)
    when :hours
      self - (number * 3600)
    when :minutes
      self - (number * 60)
    when :seconds, nil
      self - number
    else
      raise ArgumentError, "unrecognized time units -- #{units}"
    end
  )
  dst_adjustment(time)
end

#beginning_of_day ⇒ Object Also known as: midnight

/usr/lib/ruby/gems/1.8/gems/activesupport-2.1.2/lib/active_support/core_ext/time/calculations.rb



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# File 'lib/thin_out_backups/time_fixes.rb', line 118

def beginning_of_day
  change(:hour => 0)
end

#beginning_of_week ⇒ Object Also known as: sunday

Returns a new Time representing the “start” of this week (Sunday, 0:00)



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# File 'lib/thin_out_backups/time_fixes.rb', line 124

def beginning_of_week
  days_to_sunday = self.wday
  self.ago(days_to_sunday, :days).midnight
end

#dst_adjustment(time) ⇒ Object

Adjust DST

TODO: Can’t seem to get this to pass ActiveSupport tests. Even though it is essentially identical to the ActiveSupport code (see Time#since in time/calculations.rb). It handles all but 4 tests.



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# File 'lib/thin_out_backups/time_fixes.rb', line 85

def dst_adjustment(time)
  self_dst = self.dst? ? 1 : 0
  time_dst = time.dst? ? 1 : 0
  seconds  = (self - time).abs
  if (seconds >= 86400 && self_dst != time_dst)
    time + ((self_dst - time_dst) * 60 * 60)
  else
    time
  end
end

#to_s ⇒ Object 



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# File 'lib/thin_out_backups/time_fixes.rb', line 108

def to_s
  #strftime("%Y%m%dT%H%M%S")
  strftime("%Y-%m-%d %H:%M")
end

#to_s_full ⇒ Object 



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# File 'lib/thin_out_backups/time_fixes.rb', line 112

def to_s_full
  strftime("%Y-%m-%d %H:%M:%S")
end