Refactor Date, Time, DateTime timezone methods

Similar implementations of #in_time_zone exists for Date, Time and DateTime so
method is extracted into its own module. Also some logic is extracted into
private method.

1 files changed, 2 insertions, 21 deletions

diff --git a/activesupport/lib/active_support/core_ext/date_time/zones.rb b/activesupport/lib/active_support/core_ext/date_time/zones.rb
index 01a627f8af..c39f358395 100644
--- a/activesupport/lib/active_support/core_ext/date_time/zones.rb
+++ b/activesupport/lib/active_support/core_ext/date_time/zones.rb
@@ -1,25 +1,6 @@
 require 'date'
-require 'active_support/core_ext/time/zones'
+require 'active_support/core_ext/date_and_time/zones'
 
 class DateTime
-  # Returns the simultaneous time in <tt>Time.zone</tt>.
-  #
-  #   Time.zone = 'Hawaii'             # => 'Hawaii'
-  #   DateTime.new(2000).in_time_zone  # => Fri, 31 Dec 1999 14:00:00 HST -10:00
-  #
-  # This method is similar to Time#localtime, except that it uses <tt>Time.zone</tt>
-  # as the local zone instead of the operating system's time zone.
-  #
-  # You can also pass in a TimeZone instance or string that identifies a TimeZone
-  # as an argument, and the conversion will be based on that zone instead of
-  # <tt>Time.zone</tt>.
-  #
-  #   DateTime.new(2000).in_time_zone('Alaska') # => Fri, 31 Dec 1999 15:00:00 AKST -09:00
-  def in_time_zone(zone = ::Time.zone)
-    if zone
-      ActiveSupport::TimeWithZone.new(utc? ? self : getutc, ::Time.find_zone!(zone))
-    else
-      self
-    end
-  end
+  include DateAndTime::Zones
 end