What is the best way to implement "change history" in Rails?
I want users to be able to see what has been added / changed in a blog post. I'm using Vestal Versions (a great gem) to track changes, but I don't know how to show this to users so they can see what has changed.
My first impulse is to find a different library for ruby and just show the difference between version N and version N-1. What's a good library for this? Is there a more abstract way to do this?
Also does anyone have any opinion on whether the Vestal versions are better than acts_as_audited
?
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Regarding the first question, you should check out HTMLDiff which gives you a diff method that compares the changes and shows them with the correct HTML tags (ins, del), which you can then style with CSS.
I haven't used act_as_audited, but looking at the Github page it seems similar. Maybe someone with a lot of experience in both can bring him some light :)
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