diff options
Diffstat (limited to 'activesupport/lib/active_support/values/time_zone.rb')
| -rw-r--r-- | activesupport/lib/active_support/values/time_zone.rb | 77 |
1 files changed, 45 insertions, 32 deletions
diff --git a/activesupport/lib/active_support/values/time_zone.rb b/activesupport/lib/active_support/values/time_zone.rb index 35f400f9df..28bc06f103 100644 --- a/activesupport/lib/active_support/values/time_zone.rb +++ b/activesupport/lib/active_support/values/time_zone.rb @@ -1,34 +1,34 @@ require 'active_support/core_ext/object/blank' require 'active_support/core_ext/object/try' -# The TimeZone class serves as a wrapper around TZInfo::Timezone instances. It allows us to do the following: -# -# * Limit the set of zones provided by TZInfo to a meaningful subset of 142 zones. -# * Retrieve and display zones with a friendlier name (e.g., "Eastern Time (US & Canada)" instead of "America/New_York"). -# * Lazily load TZInfo::Timezone instances only when they're needed. -# * Create ActiveSupport::TimeWithZone instances via TimeZone's +local+, +parse+, +at+ and +now+ methods. -# -# If you set <tt>config.time_zone</tt> in the Rails Application, you can access this TimeZone object via <tt>Time.zone</tt>: -# -# # application.rb: -# class Application < Rails::Application -# config.time_zone = "Eastern Time (US & Canada)" -# end -# -# Time.zone # => #<TimeZone:0x514834...> -# Time.zone.name # => "Eastern Time (US & Canada)" -# Time.zone.now # => Sun, 18 May 2008 14:30:44 EDT -04:00 -# -# The version of TZInfo bundled with Active Support only includes the definitions necessary to support the zones -# defined by the TimeZone class. If you need to use zones that aren't defined by TimeZone, you'll need to install the TZInfo gem -# (if a recent version of the gem is installed locally, this will be used instead of the bundled version.) module ActiveSupport + # The TimeZone class serves as a wrapper around TZInfo::Timezone instances. It allows us to do the following: + # + # * Limit the set of zones provided by TZInfo to a meaningful subset of 142 zones. + # * Retrieve and display zones with a friendlier name (e.g., "Eastern Time (US & Canada)" instead of "America/New_York"). + # * Lazily load TZInfo::Timezone instances only when they're needed. + # * Create ActiveSupport::TimeWithZone instances via TimeZone's +local+, +parse+, +at+ and +now+ methods. + # + # If you set <tt>config.time_zone</tt> in the Rails Application, you can access this TimeZone object via <tt>Time.zone</tt>: + # + # # application.rb: + # class Application < Rails::Application + # config.time_zone = "Eastern Time (US & Canada)" + # end + # + # Time.zone # => #<TimeZone:0x514834...> + # Time.zone.name # => "Eastern Time (US & Canada)" + # Time.zone.now # => Sun, 18 May 2008 14:30:44 EDT -04:00 + # + # The version of TZInfo bundled with Active Support only includes the definitions necessary to support the zones + # defined by the TimeZone class. If you need to use zones that aren't defined by TimeZone, you'll need to install the TZInfo gem + # (if a recent version of the gem is installed locally, this will be used instead of the bundled version.) class TimeZone # Keys are Rails TimeZone names, values are TZInfo identifiers MAPPING = { "International Date Line West" => "Pacific/Midway", "Midway Island" => "Pacific/Midway", - "Samoa" => "Pacific/Pago_Pago", + "American Samoa" => "Pacific/Pago_Pago", "Hawaii" => "Pacific/Honolulu", "Alaska" => "America/Juneau", "Pacific Time (US & Canada)" => "America/Los_Angeles", @@ -167,15 +167,16 @@ module ActiveSupport "Marshall Is." => "Pacific/Majuro", "Auckland" => "Pacific/Auckland", "Wellington" => "Pacific/Auckland", - "Nuku'alofa" => "Pacific/Tongatapu" - }.each { |name, zone| name.freeze; zone.freeze } - MAPPING.freeze + "Nuku'alofa" => "Pacific/Tongatapu", + "Tokelau Is." => "Pacific/Fakaofo", + "Samoa" => "Pacific/Apia" + } UTC_OFFSET_WITH_COLON = '%s%02d:%02d' UTC_OFFSET_WITHOUT_COLON = UTC_OFFSET_WITH_COLON.sub(':', '') # Assumes self represents an offset from UTC in seconds (as returned from Time#utc_offset) - # and turns this into an +HH:MM formatted string. Example: + # and turns this into an +HH:MM formatted string. # # TimeZone.seconds_to_utc_offset(-21_600) # => "-06:00" def self.seconds_to_utc_offset(seconds, colon = true) @@ -203,6 +204,7 @@ module ActiveSupport @current_period = nil end + # Returns the offset of this time zone from UTC in seconds. def utc_offset if @utc_offset @utc_offset @@ -237,7 +239,7 @@ module ActiveSupport "(GMT#{formatted_offset}) #{name}" end - # Method for creating new ActiveSupport::TimeWithZone instance in time zone of +self+ from given values. Example: + # Method for creating new ActiveSupport::TimeWithZone instance in time zone of +self+ from given values. # # Time.zone = "Hawaii" # => "Hawaii" # Time.zone.local(2007, 2, 1, 15, 30, 45) # => Thu, 01 Feb 2007 15:30:45 HST -10:00 @@ -246,7 +248,7 @@ module ActiveSupport ActiveSupport::TimeWithZone.new(nil, self, time) end - # Method for creating new ActiveSupport::TimeWithZone instance in time zone of +self+ from number of seconds since the Unix epoch. Example: + # Method for creating new ActiveSupport::TimeWithZone instance in time zone of +self+ from number of seconds since the Unix epoch. # # Time.zone = "Hawaii" # => "Hawaii" # Time.utc(2000).to_f # => 946684800.0 @@ -256,7 +258,7 @@ module ActiveSupport utc.in_time_zone(self) end - # Method for creating new ActiveSupport::TimeWithZone instance in time zone of +self+ from parsed string. Example: + # Method for creating new ActiveSupport::TimeWithZone instance in time zone of +self+ from parsed string. # # Time.zone = "Hawaii" # => "Hawaii" # Time.zone.parse('1999-12-31 14:00:00') # => Fri, 31 Dec 1999 14:00:00 HST -10:00 @@ -267,9 +269,14 @@ module ActiveSupport # Time.zone.parse('22:30:00') # => Fri, 31 Dec 1999 22:30:00 HST -10:00 def parse(str, now=now) date_parts = Date._parse(str) - return if date_parts.blank? + return if date_parts.empty? time = Time.parse(str, now) rescue DateTime.parse(str) + if date_parts[:offset].nil? + if date_parts[:hour] && time.hour != date_parts[:hour] + time = DateTime.parse(str) + end + ActiveSupport::TimeWithZone.new(nil, self, time) else time.in_time_zone(self) @@ -277,12 +284,12 @@ module ActiveSupport end # Returns an ActiveSupport::TimeWithZone instance representing the current time - # in the time zone represented by +self+. Example: + # in the time zone represented by +self+. # # Time.zone = 'Hawaii' # => "Hawaii" # Time.zone.now # => Wed, 23 Jan 2008 20:24:27 HST -10:00 def now - Time.now.utc.in_time_zone(self) + time_now.utc.in_time_zone(self) end # Return the current date in this time zone. @@ -391,5 +398,11 @@ module ActiveSupport end end end + + private + + def time_now + Time.now + end end end |