diff options
Diffstat (limited to 'activesupport/lib/active_support/values/time_zone.rb')
-rw-r--r-- | activesupport/lib/active_support/values/time_zone.rb | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/activesupport/lib/active_support/values/time_zone.rb b/activesupport/lib/active_support/values/time_zone.rb index 7ca3592520..19420cee5e 100644 --- a/activesupport/lib/active_support/values/time_zone.rb +++ b/activesupport/lib/active_support/values/time_zone.rb @@ -1,7 +1,6 @@ require 'tzinfo' require 'concurrent/map' require 'active_support/core_ext/object/blank' -require 'active_support/core_ext/object/try' module ActiveSupport # The TimeZone class serves as a wrapper around TZInfo::Timezone instances. @@ -185,6 +184,7 @@ module ActiveSupport UTC_OFFSET_WITHOUT_COLON = UTC_OFFSET_WITH_COLON.tr(':', '') @lazy_zones_map = Concurrent::Map.new + @country_zones = Concurrent::Map.new class << self # Assumes self represents an offset from UTC in seconds (as returned from @@ -243,7 +243,18 @@ module ActiveSupport # A convenience method for returning a collection of TimeZone objects # for time zones in the USA. def us_zones - @us_zones ||= all.find_all { |z| z.name =~ /US|Arizona|Indiana|Hawaii|Alaska/ } + country_zones(:us) + end + + # A convenience method for returning a collection of TimeZone objects + # for time zones in the country specified by its ISO 3166-1 Alpha2 code. + def country_zones(country_code) + code = country_code.to_s.upcase + @country_zones[code] ||= + TZInfo::Country.get(code).zone_identifiers.map do |tz_id| + name = MAPPING.key(tz_id) + name && self[name] + end.compact.sort! end private @@ -267,7 +278,6 @@ module ActiveSupport @name = name @utc_offset = utc_offset @tzinfo = tzinfo || TimeZone.find_tzinfo(name) - @current_period = nil end # Returns the offset of this time zone from UTC in seconds. @@ -275,8 +285,7 @@ module ActiveSupport if @utc_offset @utc_offset else - @current_period ||= tzinfo.current_period if tzinfo - @current_period.utc_offset if @current_period + tzinfo.current_period.utc_offset if tzinfo && tzinfo.current_period end end |