diff options
Diffstat (limited to 'activesupport/lib/active_support/values/time_zone.rb')
| -rw-r--r-- | activesupport/lib/active_support/values/time_zone.rb | 85 |
1 files changed, 79 insertions, 6 deletions
diff --git a/activesupport/lib/active_support/values/time_zone.rb b/activesupport/lib/active_support/values/time_zone.rb index 09cb9cbbe1..96a541a4ef 100644 --- a/activesupport/lib/active_support/values/time_zone.rb +++ b/activesupport/lib/active_support/values/time_zone.rb @@ -6,7 +6,7 @@ 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 146 + # * Limit the set of zones provided by TZInfo to a meaningful subset of 134 # zones. # * Retrieve and display zones with a friendlier name # (e.g., "Eastern Time (US & Canada)" instead of "America/New_York"). @@ -59,6 +59,7 @@ module ActiveSupport "Buenos Aires" => "America/Argentina/Buenos_Aires", "Montevideo" => "America/Montevideo", "Georgetown" => "America/Guyana", + "Puerto Rico" => "America/Puerto_Rico", "Greenland" => "America/Godthab", "Mid-Atlantic" => "Atlantic/South_Georgia", "Azores" => "Atlantic/Azores", @@ -250,14 +251,21 @@ module ActiveSupport # 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! + @country_zones[code] ||= load_country_zones(code) end private + def load_country_zones(code) + country = TZInfo::Country.get(code) + country.zone_identifiers.map do |tz_id| + if MAPPING.value?(tz_id) + self[MAPPING.key(tz_id)] + else + create(tz_id, nil, TZInfo::Timezone.new(tz_id)) + end + end.sort! + end + def zones_map @zones_map ||= begin MAPPING.each_key { |place| self[place] } # load all the zones @@ -340,6 +348,41 @@ module ActiveSupport end # Method for creating new ActiveSupport::TimeWithZone instance in time zone + # of +self+ from an ISO 8601 string. + # + # Time.zone = 'Hawaii' # => "Hawaii" + # Time.zone.iso8601('1999-12-31T14:00:00') # => Fri, 31 Dec 1999 14:00:00 HST -10:00 + # + # If the time components are missing then they will be set to zero. + # + # Time.zone = 'Hawaii' # => "Hawaii" + # Time.zone.iso8601('1999-12-31') # => Fri, 31 Dec 1999 00:00:00 HST -10:00 + # + # If the string is invalid then an +ArgumentError+ will be raised unlike +parse+ + # which returns +nil+ when given an invalid date string. + def iso8601(str) + parts = Date._iso8601(str) + + raise ArgumentError, "invalid date" if parts.empty? + + time = Time.new( + parts.fetch(:year), + parts.fetch(:mon), + parts.fetch(:mday), + parts.fetch(:hour, 0), + parts.fetch(:min, 0), + parts.fetch(:sec, 0) + parts.fetch(:sec_fraction, 0), + parts.fetch(:offset, 0) + ) + + if parts[:offset] + TimeWithZone.new(time.utc, self) + else + TimeWithZone.new(nil, self, time) + end + end + + # Method for creating new ActiveSupport::TimeWithZone instance in time zone # of +self+ from parsed string. # # Time.zone = 'Hawaii' # => "Hawaii" @@ -359,6 +402,36 @@ module ActiveSupport parts_to_time(Date._parse(str, false), now) end + # Method for creating new ActiveSupport::TimeWithZone instance in time zone + # of +self+ from an RFC 3339 string. + # + # Time.zone = 'Hawaii' # => "Hawaii" + # Time.zone.rfc3339('2000-01-01T00:00:00Z') # => Fri, 31 Dec 1999 14:00:00 HST -10:00 + # + # If the time or zone components are missing then an +ArgumentError+ will + # be raised. This is much stricter than either +parse+ or +iso8601+ which + # allow for missing components. + # + # Time.zone = 'Hawaii' # => "Hawaii" + # Time.zone.rfc3339('1999-12-31') # => ArgumentError: invalid date + def rfc3339(str) + parts = Date._rfc3339(str) + + raise ArgumentError, "invalid date" if parts.empty? + + time = Time.new( + parts.fetch(:year), + parts.fetch(:mon), + parts.fetch(:mday), + parts.fetch(:hour), + parts.fetch(:min), + parts.fetch(:sec) + parts.fetch(:sec_fraction, 0), + parts.fetch(:offset) + ) + + TimeWithZone.new(time.utc, self) + end + # Parses +str+ according to +format+ and returns an ActiveSupport::TimeWithZone. # # Assumes that +str+ is a time in the time zone +self+, |