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<H1>[99s-extend] Cowboy REST Logic</H1>
<B>Loïc Hoguin</B>
<A HREF="mailto:extend%40lists.ninenines.eu?Subject=Re%3A%20%5B99s-extend%5D%20Cowboy%20REST%20Logic&In-Reply-To=%3C511BB29E.3090705%40ninenines.eu%3E"
TITLE="[99s-extend] Cowboy REST Logic">essen at ninenines.eu
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<I>Wed Feb 13 16:34:54 CET 2013</I>
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<PRE>On 02/13/2013 02:52 PM, Phillips, Christopher wrote:
><i>
</I>><i> In 6.1, and still in 8.0, there is some logic that surprised me, and
</I>><i> I wanted to see if it was intentional, or if I'm missing something.
</I>><i>
</I>><i> If I set up a POST such that it's a create, I get back a 303, rather
</I>><i> than a 201, on successful create. This came as a bit of a surprise; I
</I>><i> know from Webmachine, if it's a new resource being created, a POST will
</I>><i> return a 201 (N11 to P11 in Webmachine's v3 diagram).
</I>><i>
</I>><i> Is this intentional? The logic seems to be post_is_create/2 ->
</I>><i> create_path/2 -> put_resource/3 -> choose_content_type/5 -> next/3 ->
</I>><i> respond(_, _, 303). It may be that this is a better response, rather
</I>><i> than a 201 with the location header, but it came as a surprise given web
</I>><i> machine's behavior.
</I>
This difference is probably not intentional. Please open a ticket. :)
><i> For background, I'm attempting to migrate some web machine code to
</I>><i> Cowboy, which is serving a RESTful API to a Javascript client. The
</I>><i> client is making CORS calls. Receiving a 303 and a Location header
</I>><i> seemed to mean that the call was redirected before the client side code
</I>><i> ever saw it (not sure what the browser was doing; I was expecting
</I>><i> another request, but I wasn't quite lucid enough to check for that last
</I>><i> night when working on it); a 201 allows me to examine the location.
</I>
Would be interested to know more about your CORS implementation, that's
something I would like to have in the guide.
--
Loïc Hoguin
Erlang Cowboy
Nine Nines
<A HREF="http://ninenines.eu">http://ninenines.eu</A>
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