diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/date/calculations.rb')
| -rw-r--r-- | activesupport/lib/active_support/core_ext/date/calculations.rb | 33 |
1 files changed, 24 insertions, 9 deletions
diff --git a/activesupport/lib/active_support/core_ext/date/calculations.rb b/activesupport/lib/active_support/core_ext/date/calculations.rb index b5180c9592..43d70c7013 100644 --- a/activesupport/lib/active_support/core_ext/date/calculations.rb +++ b/activesupport/lib/active_support/core_ext/date/calculations.rb @@ -20,18 +20,33 @@ module ActiveSupport #:nodoc: def yesterday ::Date.today.yesterday end - + # Returns a new Date representing the date 1 day after today (i.e. tomorrow's date). def tomorrow ::Date.today.tomorrow end - + # Returns Time.zone.today when config.time_zone is set, otherwise just returns Date.today. def current ::Time.zone_default ? ::Time.zone.today : ::Date.today end end - + + # Tells whether the Date object's date lies in the past + def past? + self < ::Date.current + end + + # Tells whether the Date object's date is today + def today? + self.to_date == ::Date.current # we need the to_date because of DateTime + end + + # Tells whether the Date object's date lies in the future + def future? + self > ::Date.current + end + # Converts Date to a Time (or DateTime if necessary) with the time portion set to the beginning of the day (0:00) # and then subtracts the specified number of seconds def ago(seconds) @@ -57,7 +72,7 @@ module ActiveSupport #:nodoc: def end_of_day to_time.end_of_day end - + def plus_with_duration(other) #:nodoc: if ActiveSupport::Duration === other other.since(self) @@ -65,7 +80,7 @@ module ActiveSupport #:nodoc: plus_without_duration(other) end end - + def minus_with_duration(other) #:nodoc: if ActiveSupport::Duration === other plus_with_duration(-other) @@ -73,8 +88,8 @@ module ActiveSupport #:nodoc: minus_without_duration(other) end end - - # Provides precise Date calculations for years, months, and days. The +options+ parameter takes a hash with + + # Provides precise Date calculations for years, months, and days. The +options+ parameter takes a hash with # any of these keys: <tt>:years</tt>, <tt>:months</tt>, <tt>:weeks</tt>, <tt>:days</tt>. def advance(options) d = self @@ -98,7 +113,7 @@ module ActiveSupport #:nodoc: options[:day] || self.day ) end - + # Returns a new Date/DateTime representing the time a number of specified months ago def months_ago(months) advance(:months => -months) @@ -161,7 +176,7 @@ module ActiveSupport #:nodoc: days_into_week = { :monday => 0, :tuesday => 1, :wednesday => 2, :thursday => 3, :friday => 4, :saturday => 5, :sunday => 6} result = (self + 7).beginning_of_week + days_into_week[day] self.acts_like?(:time) ? result.change(:hour => 0) : result - end + end # Returns a new ; DateTime objects will have time set to 0:00DateTime representing the start of the month (1st of the month; DateTime objects will have time set to 0:00) def beginning_of_month |