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paper-trail-gem--paper_trail
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Link up Railscast.

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Andy Stewart 2011-03-01 10:50:35 +00:00
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@ -2,6 +2,7 @@
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. 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.
There's an excellent [Railscast on implementing Undo with Paper Trail](http://railscasts.com/episodes/255-undo-with-paper-trail).
## Features ## Features
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>> widget = Version.find(153).reify # the widget as it was before it was destroyed >> widget = Version.find(153).reify # the widget as it was before it was destroyed
>> widget.save # the widget lives! >> widget.save # the widget lives!
In fact you could use PaperTrail to implement an undo system, though I haven't had the opportunity yet to do it myself. In fact you could use PaperTrail to implement an undo system, though I haven't had the opportunity yet to do it myself. However [Ryan Bates has](http://railscasts.com/episodes/255-undo-with-paper-trail)!
## Navigating Versions ## Navigating Versions