class IceCube::TimeUtil::TimeWrapper

A utility class for safely moving time around

Constants

CLEAR_ORDER

Clear everything below a certain type

Public Class Methods

new(time, dst_adjust = true) click to toggle source
# File lib/ice_cube/time_util.rb, line 245
def initialize(time, dst_adjust = true)
  @dst_adjust = dst_adjust
  @time = time
end

Public Instance Methods

add(type, val) click to toggle source

DST-safely add an interval of time to the wrapped time

# File lib/ice_cube/time_util.rb, line 256
def add(type, val)
  type = :day if type == :wday
  adjust do
    @time += case type
    when :year then TimeUtil.days_in_n_years(@time, val) * ONE_DAY
    when :month then TimeUtil.days_in_n_months(@time, val) * ONE_DAY
    when :day  then val * ONE_DAY
    when :hour then val * ONE_HOUR
    when :min  then val * ONE_MINUTE
    when :sec  then val
    end
  end
end
clear_below(type) click to toggle source
# File lib/ice_cube/time_util.rb, line 272
def clear_below(type)
  type = :day if type == :wday
  CLEAR_ORDER.each do |ptype|
    break if ptype == type
    adjust do
      send(:"clear_#{ptype}")
    end
  end
end
to_time() click to toggle source

Get the wrapper time back

# File lib/ice_cube/time_util.rb, line 251
def to_time
  @time
end

Private Instance Methods

adjust() { || ... } click to toggle source
# File lib/ice_cube/time_util.rb, line 284
def adjust(&block)
  if @dst_adjust
    off = @time.utc_offset
    yield
    diff = off - @time.utc_offset
    @time += diff if diff != 0
  else
    yield
  end
end
clear_day() click to toggle source

Move to the first of the month, 0 hours

# File lib/ice_cube/time_util.rb, line 308
def clear_day
  @time.day > 1 ? @time -= (@time.day - 1) * ONE_DAY : @time
end
clear_hour() click to toggle source
# File lib/ice_cube/time_util.rb, line 303
def clear_hour
  @time.hour > 0 ? @time -= (@time.hour * ONE_HOUR) : @time
end
clear_min() click to toggle source
# File lib/ice_cube/time_util.rb, line 299
def clear_min
  @time.min > 0 ? @time -= (@time.min * ONE_MINUTE) : @time
end
clear_month() click to toggle source

Clear to january 1st

# File lib/ice_cube/time_util.rb, line 313
def clear_month
  @time -= ONE_DAY
  until @time.month == 12
    @time -= TimeUtil.days_in_month(@time) * ONE_DAY
  end
  @time += ONE_DAY
end
clear_sec() click to toggle source
# File lib/ice_cube/time_util.rb, line 295
def clear_sec
  @time.sec > 0 ? @time -= @time.sec : @time
end
clear_year() click to toggle source
# File lib/ice_cube/time_util.rb, line 321
def clear_year
  @time
end