diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/time/calculations.rb')
-rw-r--r-- | activesupport/lib/active_support/core_ext/time/calculations.rb | 59 |
1 files changed, 57 insertions, 2 deletions
diff --git a/activesupport/lib/active_support/core_ext/time/calculations.rb b/activesupport/lib/active_support/core_ext/time/calculations.rb index dd99dd667a..1ce68ea7c7 100644 --- a/activesupport/lib/active_support/core_ext/time/calculations.rb +++ b/activesupport/lib/active_support/core_ext/time/calculations.rb @@ -1,12 +1,11 @@ +require 'active_support/duration' require 'active_support/core_ext/time/conversions' require 'active_support/time_with_zone' require 'active_support/core_ext/time/zones' -require 'active_support/core_ext/time/operators' require 'active_support/core_ext/date_and_time/calculations' class Time include DateAndTime::Calculations - prepend ActiveSupport::TimeOperators COMMON_YEAR_DAYS_IN_MONTH = [nil, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31] @@ -213,4 +212,60 @@ class Time def all_day beginning_of_day..end_of_day end + + def plus_with_duration(other) #:nodoc: + if ActiveSupport::Duration === other + other.since(self) + else + plus_without_duration(other) + end + end + alias_method :plus_without_duration, :+ + alias_method :+, :plus_with_duration + + def minus_with_duration(other) #:nodoc: + if ActiveSupport::Duration === other + other.until(self) + else + minus_without_duration(other) + end + end + alias_method :minus_without_duration, :- + alias_method :-, :minus_with_duration + + # Time#- can also be used to determine the number of seconds between two Time instances. + # We're layering on additional behavior so that ActiveSupport::TimeWithZone instances + # are coerced into values that Time#- will recognize + def minus_with_coercion(other) + other = other.comparable_time if other.respond_to?(:comparable_time) + other.is_a?(DateTime) ? to_f - other.to_f : minus_without_coercion(other) + end + alias_method :minus_without_coercion, :- + alias_method :-, :minus_with_coercion + + # Layers additional behavior on Time#<=> so that DateTime and ActiveSupport::TimeWithZone instances + # can be chronologically compared with a Time + def compare_with_coercion(other) + # we're avoiding Time#to_datetime and Time#to_time because they're expensive + if other.class == Time + compare_without_coercion(other) + elsif other.is_a?(Time) + compare_without_coercion(other.to_time) + else + to_datetime <=> other + end + end + alias_method :compare_without_coercion, :<=> + alias_method :<=>, :compare_with_coercion + + # Layers additional behavior on Time#eql? so that ActiveSupport::TimeWithZone instances + # can be eql? to an equivalent Time + def eql_with_coercion(other) + # if other is an ActiveSupport::TimeWithZone, coerce a Time instance from it so we can do eql? comparison + other = other.comparable_time if other.respond_to?(:comparable_time) + eql_without_coercion(other) + end + alias_method :eql_without_coercion, :eql? + alias_method :eql?, :eql_with_coercion + end |