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git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@312 5ecf4fe…

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1 parent ce58e5c commit a18b3bf5c02657121f1b1451c735d6647f0418e6 @dhh dhh committed Jan 2, 2005
Showing with 0 additions and 34 deletions.
  1. +0 −34 activerecord/lib/active_record/acts/touch.rb
@@ -1,34 +0,0 @@
-module ActiveRecord
- module Mixins
- # Including this mixins will record when objects of the class are created in a datetime column called "created_at"
- # and when its updated in another datetime column called "updated_at".
- #
- # class Bill < ActiveRecord::Base
- # include ActiveRecord::Mixins::Touch
- # end
- #
- # bill = Bill.create("amount" => 100)
- # bill.created_at # => Time.now at the moment of Bill.create
- # bill.updated_at # => Time.now at the moment of Bill.create
- #
- # bill.update_attribute("amount", 150)
- # bill.created_at # => Time.now at the moment of Bill.create
- # bill.updated_at # => Time.now at the moment of bill.update_attribute
- module Touch
- def self.append_features(base)
- super
-
- base.before_create :touch_on_create
- base.before_update :touch_on_update
- end
-
- def touch_on_create
- self.updated_at = (self.created_at ||= Time.now)
- end
-
- def touch_on_update
- self.updated_at = Time.now
- end
- end
- end
-end

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