diff options
Diffstat (limited to 'activesupport/lib/active_support/time_with_zone.rb')
| -rw-r--r-- | activesupport/lib/active_support/time_with_zone.rb | 50 |
1 files changed, 49 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/time_with_zone.rb b/activesupport/lib/active_support/time_with_zone.rb index 857cc1a664..ecb9fb6785 100644 --- a/activesupport/lib/active_support/time_with_zone.rb +++ b/activesupport/lib/active_support/time_with_zone.rb @@ -148,6 +148,7 @@ module ActiveSupport "#{time.strftime(PRECISIONS[fraction_digits.to_i])}#{formatted_offset(true, 'Z'.freeze)}" end alias_method :iso8601, :xmlschema + alias_method :rfc3339, :xmlschema # Coerces time to a string for JSON encoding. The default format is ISO 8601. # You can get %Y/%m/%d %H:%M:%S +offset style by setting @@ -329,6 +330,42 @@ module ActiveSupport since(-other) end + # Returns a new +ActiveSupport::TimeWithZone+ where one or more of the elements have + # been changed according to the +options+ parameter. The time options (<tt>:hour</tt>, + # <tt>:min</tt>, <tt>:sec</tt>, <tt>:usec</tt>, <tt>:nsec</tt>) reset cascadingly, + # so if only the hour is passed, then minute, sec, usec and nsec is set to 0. If the + # hour and minute is passed, then sec, usec and nsec is set to 0. The +options+ + # parameter takes a hash with any of these keys: <tt>:year</tt>, <tt>:month</tt>, + # <tt>:day</tt>, <tt>:hour</tt>, <tt>:min</tt>, <tt>:sec</tt>, <tt>:usec</tt>, + # <tt>:nsec</tt>, <tt>:offset</tt>, <tt>:zone</tt>. Pass either <tt>:usec</tt> + # or <tt>:nsec</tt>, not both. Similarly, pass either <tt>:zone</tt> or + # <tt>:offset</tt>, not both. + # + # t = Time.zone.now # => Fri, 14 Apr 2017 11:45:15 EST -05:00 + # t.change(year: 2020) # => Tue, 14 Apr 2020 11:45:15 EST -05:00 + # t.change(hour: 12) # => Fri, 14 Apr 2017 12:00:00 EST -05:00 + # t.change(min: 30) # => Fri, 14 Apr 2017 11:30:00 EST -05:00 + # t.change(offset: "-10:00") # => Fri, 14 Apr 2017 11:45:15 HST -10:00 + # t.change(zone: "Hawaii") # => Fri, 14 Apr 2017 11:45:15 HST -10:00 + def change(options) + if options[:zone] && options[:offset] + raise ArgumentError, "Can't change both :offset and :zone at the same time: #{options.inspect}" + end + + new_time = time.change(options) + + if options[:zone] + new_zone = ::Time.find_zone(options[:zone]) + elsif options[:offset] + new_zone = ::Time.find_zone(new_time.utc_offset) + end + + new_zone ||= time_zone + periods = new_zone.periods_for_local(new_time) + + self.class.new(nil, new_zone, new_time, periods.include?(period) ? period : nil) + end + # Uses Date to provide precise Time calculations for years, months, and days # according to the proleptic Gregorian calendar. The result is returned as a # new TimeWithZone object. @@ -410,6 +447,17 @@ module ActiveSupport @to_datetime ||= utc.to_datetime.new_offset(Rational(utc_offset, 86_400)) end + # Returns an instance of +Time+, either with the same UTC offset + # as +self+ or in the local system timezone depending on the setting + # of +ActiveSupport.to_time_preserves_timezone+. + def to_time + if preserve_timezone + @to_time_with_instance_offset ||= getlocal(utc_offset) + else + @to_time_with_system_offset ||= getlocal + end + end + # So that +self+ <tt>acts_like?(:time)</tt>. def acts_like_time? true @@ -428,7 +476,7 @@ module ActiveSupport def freeze # preload instance variables before freezing - period; utc; time; to_datetime + period; utc; time; to_datetime; to_time super end |