diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/date_time/calculations.rb')
| -rw-r--r-- | activesupport/lib/active_support/core_ext/date_time/calculations.rb | 71 |
1 files changed, 48 insertions, 23 deletions
diff --git a/activesupport/lib/active_support/core_ext/date_time/calculations.rb b/activesupport/lib/active_support/core_ext/date_time/calculations.rb index fca5d4d679..55ad384f4f 100644 --- a/activesupport/lib/active_support/core_ext/date_time/calculations.rb +++ b/activesupport/lib/active_support/core_ext/date_time/calculations.rb @@ -1,14 +1,7 @@ -require 'active_support/deprecation' +require 'date' class DateTime class << self - # *DEPRECATED*: Use +DateTime.civil_from_format+ directly. - def local_offset - ActiveSupport::Deprecation.warn 'DateTime.local_offset is deprecated. Use DateTime.civil_from_format directly.' - - ::Time.local(2012).utc_offset.to_r / 86400 - end - # Returns <tt>Time.zone.now.to_datetime</tt> when <tt>Time.zone</tt> or # <tt>config.time_zone</tt> are set, otherwise returns # <tt>Time.now.to_datetime</tt>. @@ -17,17 +10,11 @@ class DateTime end end - # Tells whether the DateTime object's datetime lies in the past. - def past? - self < ::DateTime.current - end - - # Tells whether the DateTime object's datetime lies in the future. - def future? - self > ::DateTime.current - end - - # Seconds since midnight: DateTime.now.seconds_since_midnight. + # Returns the number of seconds since 00:00:00. + # + # DateTime.new(2012, 8, 29, 0, 0, 0).seconds_since_midnight # => 0 + # DateTime.new(2012, 8, 29, 12, 34, 56).seconds_since_midnight # => 45296 + # DateTime.new(2012, 8, 29, 23, 59, 59).seconds_since_midnight # => 86399 def seconds_since_midnight sec + (min * 60) + (hour * 3600) end @@ -43,7 +30,7 @@ class DateTime # Returns a new DateTime where one or more of the elements have been changed # according to the +options+ parameter. The time options (<tt>:hour</tt>, - # <tt>:minute</tt>, <tt>:sec</tt>) reset cascadingly, so if only the hour is + # <tt>:min</tt>, <tt>:sec</tt>) reset cascadingly, so if only the hour is # passed, then minute and sec is set to 0. If the hour and minute is passed, # then sec is set to 0. The +options+ parameter takes a hash with any of these # keys: <tt>:year</tt>, <tt>:month</tt>, <tt>:day</tt>, <tt>:hour</tt>, @@ -59,7 +46,7 @@ class DateTime options.fetch(:day, day), options.fetch(:hour, hour), options.fetch(:min, options[:hour] ? 0 : min), - options.fetch(:sec, (options[:hour] || options[:min]) ? 0 : sec), + options.fetch(:sec, (options[:hour] || options[:min]) ? 0 : sec + sec_fraction), options.fetch(:offset, offset), options.fetch(:start, start) ) @@ -70,6 +57,16 @@ class DateTime # <tt>:months</tt>, <tt>:weeks</tt>, <tt>:days</tt>, <tt>:hours</tt>, # <tt>:minutes</tt>, <tt>:seconds</tt>. def advance(options) + unless options[:weeks].nil? + options[:weeks], partial_weeks = options[:weeks].divmod(1) + options[:days] = options.fetch(:days, 0) + 7 * partial_weeks + end + + unless options[:days].nil? + options[:days], partial_days = options[:days].divmod(1) + options[:hours] = options.fetch(:hours, 0) + 24 * partial_days + end + d = to_date.advance(options) datetime_advanced_by_date = change(:year => d.year, :month => d.month, :day => d.day) seconds_to_advance = \ @@ -80,7 +77,7 @@ class DateTime if seconds_to_advance.zero? datetime_advanced_by_date else - datetime_advanced_by_date.since seconds_to_advance + datetime_advanced_by_date.since(seconds_to_advance) end end @@ -106,6 +103,16 @@ class DateTime alias :at_midnight :beginning_of_day alias :at_beginning_of_day :beginning_of_day + # Returns a new DateTime representing the middle of the day (12:00) + def middle_of_day + change(:hour => 12) + end + alias :midday :middle_of_day + alias :noon :middle_of_day + alias :at_midday :middle_of_day + alias :at_noon :middle_of_day + alias :at_middle_of_day :middle_of_day + # Returns a new DateTime representing the end of the day (23:59:59). def end_of_day change(:hour => 23, :min => 59, :sec => 59) @@ -124,6 +131,18 @@ class DateTime end alias :at_end_of_hour :end_of_hour + # Returns a new DateTime representing the start of the minute (hh:mm:00). + def beginning_of_minute + change(:sec => 0) + end + alias :at_beginning_of_minute :beginning_of_minute + + # Returns a new DateTime representing the end of the minute (hh:mm:59). + def end_of_minute + change(:sec => 59) + end + alias :at_end_of_minute :end_of_minute + # Adjusts DateTime to UTC by adding its offset value; offset is set to 0. # # DateTime.civil(2005, 2, 21, 10, 11, 12, Rational(-6, 24)) # => Mon, 21 Feb 2005 10:11:12 -0600 @@ -146,7 +165,13 @@ class DateTime # Layers additional behavior on DateTime#<=> so that Time and # ActiveSupport::TimeWithZone instances can be compared with a DateTime. def <=>(other) - super other.to_datetime + if other.kind_of?(Infinity) + super + elsif other.respond_to? :to_datetime + super other.to_datetime + else + nil + end end end |