From dad8dabd31fb4808769272a4ba3380c1a9a30548 Mon Sep 17 00:00:00 2001 From: Jeremy Kemper Date: Sat, 28 Mar 2009 23:46:23 -0700 Subject: Convert DateTime extensions to class reopens --- .../core_ext/date_time/conversions.rb | 162 ++++++++++----------- 1 file changed, 75 insertions(+), 87 deletions(-) (limited to 'activesupport/lib/active_support/core_ext/date_time') 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 f2cc87e119..ddfa8d610d 100644 --- a/activesupport/lib/active_support/core_ext/date_time/conversions.rb +++ b/activesupport/lib/active_support/core_ext/date_time/conversions.rb @@ -1,96 +1,84 @@ -module ActiveSupport #:nodoc: - module CoreExtensions #:nodoc: - module DateTime #:nodoc: - # Converting datetimes to formatted strings, dates, and times. - module Conversions - def self.append_features(base) #:nodoc: - base.class_eval do - alias_method :default_inspect, :inspect - alias_method :to_default_s, :to_s unless (instance_methods(false) & [:to_s, 'to_s']).empty? +require 'active_support/inflector' - # 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) - end +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) - super - - base.class_eval do - alias_method :to_s, :to_formatted_s - alias_method :inspect, :readable_inspect - end - end - - # Convert to a formatted string. See Time::DATE_FORMATS for predefined formats. - # - # This method is aliased to to_s. - # - # === Examples - # datetime = DateTime.civil(2007, 12, 4, 0, 0, 0, 0) # => Tue, 04 Dec 2007 00:00:00 +0000 - # - # datetime.to_formatted_s(:db) # => "2007-12-04 00:00:00" - # datetime.to_s(:db) # => "2007-12-04 00:00:00" - # datetime.to_s(:number) # => "20071204000000" - # datetime.to_formatted_s(:short) # => "04 Dec 00:00" - # datetime.to_formatted_s(:long) # => "December 04, 2007 00:00" - # datetime.to_formatted_s(:long_ordinal) # => "December 4th, 2007 00:00" - # datetime.to_formatted_s(:rfc822) # => "Tue, 04 Dec 2007 00:00:00 +0000" - # - # == Adding your own datetime formats to to_formatted_s - # DateTime formats are shared with Time. You can add your own to the - # Time::DATE_FORMATS hash. Use the format name as the hash key and - # either a strftime string or Proc instance that takes a time or - # datetime argument as the value. - # - # # config/initializers/time_formats.rb - # 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) - return to_default_s unless formatter = ::Time::DATE_FORMATS[format] - formatter.respond_to?(:call) ? formatter.call(self).to_s : strftime(formatter) - end + # Convert to a formatted string. See Time::DATE_FORMATS for predefined formats. + # + # This method is aliased to to_s. + # + # === Examples + # datetime = DateTime.civil(2007, 12, 4, 0, 0, 0, 0) # => Tue, 04 Dec 2007 00:00:00 +0000 + # + # datetime.to_formatted_s(:db) # => "2007-12-04 00:00:00" + # datetime.to_s(:db) # => "2007-12-04 00:00:00" + # datetime.to_s(:number) # => "20071204000000" + # datetime.to_formatted_s(:short) # => "04 Dec 00:00" + # datetime.to_formatted_s(:long) # => "December 04, 2007 00:00" + # datetime.to_formatted_s(:long_ordinal) # => "December 4th, 2007 00:00" + # datetime.to_formatted_s(:rfc822) # => "Tue, 04 Dec 2007 00:00:00 +0000" + # + # == Adding your own datetime formats to to_formatted_s + # DateTime formats are shared with Time. You can add your own to the + # Time::DATE_FORMATS hash. Use the format name as the hash key and + # either a strftime string or Proc instance that takes a time or + # datetime argument as the value. + # + # # config/initializers/time_formats.rb + # 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] + formatter.respond_to?(:call) ? formatter.call(self).to_s : strftime(formatter) + else + to_default_s + end + end + 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" - # datetime.formatted_offset(false) # => "-0600" - def formatted_offset(colon = true, alternate_utc_string = nil) - utc? && alternate_utc_string || TimeZone.seconds_to_utc_offset(utc_offset, colon) - end - - # Overrides the default inspect method with a human readable one, e.g., "Mon, 21 Feb 2005 14:30:00 +0000" - def readable_inspect - to_s(:rfc822) - end + # 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" + # datetime.formatted_offset(false) # => "-0600" + def formatted_offset(colon = true, alternate_utc_string = nil) + utc? && alternate_utc_string || ActiveSupport::TimeZone.seconds_to_utc_offset(utc_offset, colon) + end + + # Overrides the default inspect method with a human readable one, e.g., "Mon, 21 Feb 2005 14:30:00 +0000" + def readable_inspect + to_s(:rfc822) + end + 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 + # Converts self to a Ruby Date object; time portion is discarded + def to_date + ::Date.new(year, month, day) + end - # 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) : self - end + # 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) : self + end - # To be able to keep Times, Dates and DateTimes interchangeable on conversions - def to_datetime - self - end + # To be able to keep Times, Dates and DateTimes interchangeable on conversions + def to_datetime + self + end - # Converts datetime to an appropriate format for use in XML - def xmlschema - strftime("%Y-%m-%dT%H:%M:%S%Z") - end if RUBY_VERSION < '1.9' - - # Converts self to a floating-point number of seconds since the Unix epoch - def to_f - days_since_unix_epoch = self - ::DateTime.civil(1970) - (days_since_unix_epoch * 86_400).to_f - end - end - end + # Converts datetime to an appropriate format for use in XML + def xmlschema + strftime("%Y-%m-%dT%H:%M:%S%Z") + end if RUBY_VERSION < '1.9' + + # Converts self to a floating-point number of seconds since the Unix epoch + def to_f + days_since_unix_epoch = self - ::DateTime.civil(1970) + (days_since_unix_epoch * 86_400).to_f end end -- cgit v1.2.3