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diff --git a/_build/static/archives/extend/2014-October/000469.html b/_build/static/archives/extend/2014-October/000469.html new file mode 100644 index 00000000..edbb5ab7 --- /dev/null +++ b/_build/static/archives/extend/2014-October/000469.html @@ -0,0 +1,89 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<HTML> + <HEAD> + <TITLE> [99s-extend] Prevent resource creation on POST + </TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:extend%40lists.ninenines.eu?Subject=Re%3A%20%5B99s-extend%5D%20Prevent%20resource%20creation%20on%20POST&In-Reply-To=%3C5430F7EC.4080306%40ninenines.eu%3E"> + <META NAME="robots" CONTENT="index,nofollow"> + <style type="text/css"> + pre { + white-space: pre-wrap; /* css-2.1, curent FF, Opera, Safari */ + } + </style> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + <LINK REL="Previous" HREF="000468.html"> + <LINK REL="Next" HREF="000470.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[99s-extend] Prevent resource creation on POST</H1> + <B>Loïc Hoguin</B> + <A HREF="mailto:extend%40lists.ninenines.eu?Subject=Re%3A%20%5B99s-extend%5D%20Prevent%20resource%20creation%20on%20POST&In-Reply-To=%3C5430F7EC.4080306%40ninenines.eu%3E" + TITLE="[99s-extend] Prevent resource creation on POST">essen at ninenines.eu + </A><BR> + <I>Sun Oct 5 09:49:00 CEST 2014</I> + <P><UL> + <LI>Previous message: <A HREF="000468.html">[99s-extend] Prevent resource creation on POST +</A></li> + <LI>Next message: <A HREF="000470.html">[99s-extend] PUT on new resource and status 201 +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#469">[ date ]</a> + <a href="thread.html#469">[ thread ]</a> + <a href="subject.html#469">[ subject ]</a> + <a href="author.html#469">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>If resource_exists = true, then POST doesn't create but update the +resource at the given URI. If what you are doing is something like +write-once resources then you will have to reject these cases manually +by returning halt at some point. + +On 10/05/2014 05:56 AM, Amol Hatwar wrote: +><i> Hello, +</I>><i> +</I>><i> I was recently tinkering with cowboy_rest and found that there is no way prevent resource creation in a POST request when it already exists. Either that, or I'm probably not doing something right or don't know enough... +</I>><i> +</I>><i> Here's what I have running: +</I>><i> A user tries to signup with a post request. To be successful, the username has to be unique. The resource_exists/2 method responds with proper true and false values by looking at the request body. +</I>><i> +</I>><i> Here's what I want done: +</I>><i> Iff the resource_exists callback returns true, I don't want the AcceptResource callback to run at all. Instead, I want to send a 4XX status and halt. Is there a canonical way of doing this? +</I>><i> +</I>><i> Cheers, +</I>><i> +</I>><i> AH +</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> +</I>><i> +</I> +-- +Loïc Hoguin +<A HREF="http://ninenines.eu">http://ninenines.eu</A> +</PRE> + + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI>Previous message: <A HREF="000468.html">[99s-extend] Prevent resource creation on POST +</A></li> + <LI>Next message: <A HREF="000470.html">[99s-extend] PUT on new resource and status 201 +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#469">[ date ]</a> + <a href="thread.html#469">[ thread ]</a> + <a href="subject.html#469">[ subject ]</a> + <a href="author.html#469">[ author ]</a> + </LI> + </UL> + +<hr> +<a href="https://lists.ninenines.eu/listinfo/extend">More information about the Extend +mailing list</a><br> +</body></html> |