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<TITLE> [99s-extend] cowboy_rest : PUT and resource_exists vs is_conflict ?
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<H1>[99s-extend] cowboy_rest : PUT and resource_exists vs is_conflict ?</H1>
<B>Loïc Hoguin</B>
<A HREF="mailto:extend%40lists.ninenines.eu?Subject=Re%3A%20%5B99s-extend%5D%20cowboy_rest%20%3A%20PUT%20and%20resource_exists%20vs%0A%20is_conflict%20%3F&In-Reply-To=%3C53FE5239.6080008%40ninenines.eu%3E"
TITLE="[99s-extend] cowboy_rest : PUT and resource_exists vs is_conflict ?">essen at ninenines.eu
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<I>Wed Aug 27 23:48:41 CEST 2014</I>
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<PRE>For some callbacks you may need to check but only if you need to perform
a different operation when it does/doesn't. For example if you write to
files a PUT is the same operation either way, but if you write to an SQL
DB you will want to do INSERT/UPDATE depending on that. Same goes for
is_conflict and others, it depends.
So sometimes you need to keep that info around in the state and
sometimes you don't.
On 08/28/2014 12:41 AM, Stéphane Wirtel wrote:
><i> Hi all,
</I>><i>
</I>><i> For the PUT method, the flow is
</I>><i>
</I>><i> resource_exists
</I>><i> if method == PUT then go to the is_conflict function.
</I>><i> In each function, we need to check if the resource already exists or not.
</I>><i>
</I>><i> I think we check twice, is it normal?
</I>><i>
</I>><i> Thank you,
</I>><i>
</I>><i> Stephane
</I>><i>
</I>><i> --
</I>><i> Stéphane Wirtel - <A HREF="http://wirtel.be">http://wirtel.be</A> - @matrixise
</I>><i> _______________________________________________
</I>><i> Extend mailing list
</I>><i> <A HREF="https://lists.ninenines.eu/listinfo/extend">Extend at lists.ninenines.eu</A>
</I>><i> <A HREF="https://lists.ninenines.eu/listinfo/extend">https://lists.ninenines.eu/listinfo/extend</A>
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--
Loïc Hoguin
<A HREF="http://ninenines.eu">http://ninenines.eu</A>
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