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Added info on reverting and undeleting.

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Andy Stewart 2009-06-23 10:59:32 +01:00
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@ -1,6 +1,6 @@
# PaperTrail
Track changes to your models' data. Good for auditing or versioning.
PaperTrail lets you track changes to your models' data. It's good for auditing or versioning. You can see how a model looked at any stage in its lifecycle, revert it to any version, and even undelete it after it's been destroyed.
## Features
@ -87,15 +87,21 @@ Here's a helpful table showing what PaperTrail stores:
PaperTrail stores the values in the Model Before column. Most other auditing/versioning plugins store the After column.
## Undeleting A Model
## Reverting And Undeleting A Model
PaperTrail makes undeleting easy:
PaperTrail makes reverting to a previous version easy:
>> widget = Widget.find 42
>> widget.update_attributes :name => 'Blah blah'
# Time passes....
>> widget = widget.versions.last.reify # the widget as it was before the update
>> widget.save # reverted
Undeleting is just as simple:
>> widget = Widget.find 42
>> widget.destroy
# Time passes....
>> widget = Version.find(153).reify # the widget as it was before it was destroyed
>> widget.save # the widget lives!