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From Max Thayer <...@cloudant.com>
Subject Re: Change document in validate_doc_update
Date Tue, 17 Sep 2013 14:49:09 GMT
Hey Suraj!

Will update handlers<http://docs.couchdb.org/en/latest/ddocs.html#update-functions>do
the trick?

Best regards,
Max <http://www.maxthayer.org/>


On Tue, Sep 17, 2013 at 10:29 AM, Suraj Kumar <suraj.kumar@inmobi.com>wrote:

> I'd like to add extra fields to the document being created, just like how
> _user works.
>
> These I'd like to be able to compute using the inputs provided by the user,
> in perhaps, something like a validate function.
>
> I tried doing the following, in many different variations, knowing well
> that this is only wishful thinking... and as expected, it didn't work:
>
> function (newDoc, oldDoc, userCtx) { newDoc['newField'] = 10; return
> newDoc; }
>
> But I'd very much like to do what the _user database does - where by
> setting password, the document ends up getting different fields. How is it
> achieved? How can end users like me achieve the same for my business logic
> and altogether bypass the need to write middleware code? (I'm having to
> write middle ware code just to transform one json hash into another because
> my system is a pure API. CouchApps won't just do it (complex,
> already-existent-clients will use the API)).
>
> Regards,
>
>   -Suraj
>
>
> --
> An Onion is the Onion skin and the Onion under the skin until the Onion
> Skin without any Onion underneath.
>
> --
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