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From J Chris Anderson <jch...@gmail.com>
Subject Re: Implementing next and previous links
Date Tue, 02 Mar 2010 22:08:28 GMT

On Mar 2, 2010, at 11:35 AM, Saq Imtiaz wrote:

> On Tue, Mar 2, 2010 at 20:15, J Chris Anderson <jchris@gmail.com> wrote:
> 
>> 
>> On Mar 2, 2010, at 11:11 AM, Saq Imtiaz wrote:
>> 
>>> Hi Sean! What a small world. Funny running in to you here! What are you
>>> using couchdb for?
>>> 
>>> Yes the goal is for the application to be self-contained within couchdb
>> so
>>> that replication for instance, copies the application logic and the data.
>>> I've had a very nice conversation with jchris on #couchdb and he's
>>> essentially confirmed my feeling that if I want prettier links than using
>>> ?startkey type urls, I'll need to rewrite them clientside after
>> performing
>>> additional queries.
>> 
>> Yes and no.
>> 
>> Start out by writing your application with ugly links. Then look at the
>> _rewrite handler you can add to design docs. This is not well documented yet
>> (there is JS tests for it). It should be able to make your URLs pretty.
>> 
> 
> 
> I should have been more careful in my choice of words Chris. The _rewrite
> handler can definitely make the URLs prettier for the previous link for
> instance, by mapping myview?startkey=["
> 201002261927010000"]&limit=1&descending=true to something like
> 201002261927010000/previous/. However note that this URL still references
> the "current" document and doesn't provide context for the page that is
> loaded when you click it. This also means that if a user then bookmarks said
> page, that URL might lead to a different document in the future if the order
> is changed.
> 
> What I haven't found a way to do is end up with a /date/docid/ type of URL
> for the previous post where the date and docid are both attributes of that
> previous post. Unless I've missed something significant the _rewrite handler
> can't do this as it provides simple mapping between different URL paths and
> can't perform any queries to the database to determine the appropriate
> document id for instance.
> 

you got it right!

> Cheers,
> Saq


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