Rails: Best practice for displaying ActiveRecord validation error in XML Builder?

Posted by randombits on Stack Overflow See other posts from Stack Overflow or by randombits
Published on 2010-04-17T20:11:31Z Indexed on 2010/04/17 20:13 UTC
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ruby-on-rails

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rest

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activerecord

I'm building a RESTful API using Ruby on Rails. My models have a lot of validation happening in them. I'm wondering what is the most "RESTful" way to respond to a user in the event that they make a request that fails on the model layer.

Sending a 4xx HTTP response is the first step. What's the best practice for embedding the error messages inside of XML builder?

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