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author | Geoff Buesing <gbuesing@gmail.com> | 2008-01-23 22:22:36 +0000 |
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committer | Geoff Buesing <gbuesing@gmail.com> | 2008-01-23 22:22:36 +0000 |
commit | ac03ad1f78d88f40924225089a4b4bfebc8c74d8 (patch) | |
tree | e5216e3eb9b7eed0299b6d9dd1b432fd4a68b4c7 /activesupport/lib/active_support/core_ext/date_time/calculations.rb | |
parent | 213fac6f49532e7ee08348542e80465088b9bf5d (diff) | |
download | rails-ac03ad1f78d88f40924225089a4b4bfebc8c74d8.tar.gz rails-ac03ad1f78d88f40924225089a4b4bfebc8c74d8.tar.bz2 rails-ac03ad1f78d88f40924225089a4b4bfebc8c74d8.zip |
Adding Time and DateTime #compare_with_coercion, which layers behavior on #<=> so that any combination of Time, DateTime and ActiveSupport::TimeWithZone instances can be chronologically compared
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8711 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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 | 12 |
1 files changed, 12 insertions, 0 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 d93c1148c4..5c351c21c6 100644 --- a/activesupport/lib/active_support/core_ext/date_time/calculations.rb +++ b/activesupport/lib/active_support/core_ext/date_time/calculations.rb @@ -7,6 +7,11 @@ module ActiveSupport #:nodoc: module Calculations def self.included(base) #:nodoc: base.extend ClassMethods + + base.class_eval do + alias_method :compare_without_coercion, :<=> + alias_method :<=>, :compare_with_coercion + end end module ClassMethods @@ -91,6 +96,13 @@ module ActiveSupport #:nodoc: def utc_offset (offset * 86400).to_i end + + # Layers additional behavior on DateTime#<=> so that Time and ActiveSupport::TimeWithZone instances can be compared with a DateTime + def compare_with_coercion(other) + other = other.comparable_time if other.respond_to?(:comparable_time) + other = other.to_datetime unless other.acts_like?(:date) + compare_without_coercion(other) + end end end end |