diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/date_time/conversions.rb')
| -rw-r--r-- | activesupport/lib/active_support/core_ext/date_time/conversions.rb | 38 |
1 files changed, 18 insertions, 20 deletions
diff --git a/activesupport/lib/active_support/core_ext/date_time/conversions.rb b/activesupport/lib/active_support/core_ext/date_time/conversions.rb index ca899c714c..19925198c0 100644 --- a/activesupport/lib/active_support/core_ext/date_time/conversions.rb +++ b/activesupport/lib/active_support/core_ext/date_time/conversions.rb @@ -6,7 +6,7 @@ require 'active_support/values/time_zone' class DateTime # Ruby 1.9 has DateTime#to_time which internally relies on Time. We define our own #to_time which allows # DateTimes outside the range of what can be created with Time. - remove_method :to_time if instance_methods.include?(:to_time) + remove_method :to_time # Convert to a formatted string. See Time::DATE_FORMATS for predefined formats. # @@ -30,7 +30,7 @@ class DateTime # datetime argument as the value. # # # config/initializers/time_formats.rb - # Time::DATE_FORMATS[:month_and_year] = "%B %Y" + # Time::DATE_FORMATS[:month_and_year] = '%B %Y' # Time::DATE_FORMATS[:short_ordinal] = lambda { |time| time.strftime("%B #{time.day.ordinalize}") } def to_formatted_s(format = :default) if formatter = ::Time::DATE_FORMATS[format] @@ -42,7 +42,6 @@ class DateTime alias_method :to_default_s, :to_s unless (instance_methods(false) & [:to_s, 'to_s']).empty? alias_method :to_s, :to_formatted_s - # Returns the +utc_offset+ as an +HH:MM formatted string. Examples: # # datetime = DateTime.civil(2000, 1, 1, 0, 0, 0, Rational(-6, 24)) # datetime.formatted_offset # => "-06:00" @@ -58,32 +57,31 @@ class DateTime alias_method :default_inspect, :inspect alias_method :inspect, :readable_inspect - # Converts self to a Ruby Date object; time portion is discarded. - def to_date - ::Date.new(year, month, day) - end unless instance_methods(false).include?(:to_date) - # Attempts to convert self to a Ruby Time object; returns self if out of range of Ruby Time class. # If self has an offset other than 0, self will just be returned unaltered, since there's no clean way to map it to a Time. def to_time - self.offset == 0 ? ::Time.utc_time(year, month, day, hour, min, sec, sec_fraction * (RUBY_VERSION < '1.9' ? 86400000000 : 1000000)) : self + if offset == 0 + ::Time.utc_time(year, month, day, hour, min, sec, sec_fraction * 1000000) + else + self + end end - # To be able to keep Times, Dates and DateTimes interchangeable on conversions. - def to_datetime - self - end unless instance_methods(false).include?(:to_datetime) - + # Returns DateTime with local offset for given year if format is local else offset is zero + # + # DateTime.civil_from_format :local, 2012 + # # => Sun, 01 Jan 2012 00:00:00 +0300 + # DateTime.civil_from_format :local, 2012, 12, 17 + # # => Mon, 17 Dec 2012 00:00:00 +0000 def self.civil_from_format(utc_or_local, year, month=1, day=1, hour=0, min=0, sec=0) - offset = utc_or_local.to_sym == :local ? local_offset : 0 + if utc_or_local.to_sym == :local + offset = ::Time.local(year, month, day).utc_offset.to_r / 86400 + else + offset = 0 + end civil(year, month, day, hour, min, sec, offset) end - # Converts datetime to an appropriate format for use in XML. - def xmlschema - strftime("%Y-%m-%dT%H:%M:%S%Z") - end unless instance_methods(false).include?(:xmlschema) - # Converts self to a floating-point number of seconds since the Unix epoch. def to_f seconds_since_unix_epoch.to_f |