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diff --git a/_build/static/archives/extend/2014-August/000447.html b/_build/static/archives/extend/2014-August/000447.html new file mode 100644 index 00000000..6feb64ff --- /dev/null +++ b/_build/static/archives/extend/2014-August/000447.html @@ -0,0 +1,130 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<HTML> + <HEAD> + <TITLE> [99s-extend] cowboy_rest and delete_completed and response + </TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:extend%40lists.ninenines.eu?Subject=Re%3A%20%5B99s-extend%5D%20cowboy_rest%20and%20delete_completed%20and%20response&In-Reply-To=%3C90BE6FF2-659A-487A-AB91-C968658CE3D3%40wirtel.be%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="000446.html"> + <LINK REL="Next" HREF="000448.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[99s-extend] cowboy_rest and delete_completed and response</H1> + <B>Stéphane Wirtel</B> + <A HREF="mailto:extend%40lists.ninenines.eu?Subject=Re%3A%20%5B99s-extend%5D%20cowboy_rest%20and%20delete_completed%20and%20response&In-Reply-To=%3C90BE6FF2-659A-487A-AB91-C968658CE3D3%40wirtel.be%3E" + TITLE="[99s-extend] cowboy_rest and delete_completed and response">stephane at wirtel.be + </A><BR> + <I>Wed Aug 27 00:12:00 CEST 2014</I> + <P><UL> + <LI>Previous message: <A HREF="000446.html">[99s-extend] cowboy_rest and delete_completed and response +</A></li> + <LI>Next message: <A HREF="000448.html">[99s-extend] I need your feedback about this cowboy_rest handler. +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#447">[ date ]</a> + <a href="thread.html#447">[ thread ]</a> + <a href="subject.html#447">[ subject ]</a> + <a href="author.html#447">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>What's the purpose of the callbacks in content_types_accepted and +content_types_provided? + +I prefer set the response in the State to the callbacks and they convert +it to the right format. + +Example: + +delete_completed(Req, State) -> + Response = [{<<"ok">>, <<"dbname">>}], + {true, Req, State#state{response=Response}}. + +get_json(Req, #{response=Response}=State) -> + Body = jsx:encode(Response), + {Body, Req, State}. + +get_msgpack(Req, #{response=Response}=State) -> + Body = msgpack:pack(Response, [{format, jsx}], + {Body, Req, State}. + + + +On 27 Aug 2014, at 0:03, Loïc Hoguin wrote: + +><i> Call cowboy_req:meta(media_type, Req) to retrieve it. +</I>><i> +</I>><i> On 08/27/2014 12:59 AM, Stéphane Wirtel wrote: +</I>>><i> Hi all, +</I>>><i> +</I>>><i> I work with two content-types (json, msgpack). +</I>>><i> +</I>>><i> In the DELETE verb, I need to return an object and in this case, I +</I>>><i> work +</I>>><i> on delete_resource/2 and delete_completed/2. +</I>>><i> The problem is, how can I return a body in function of the +</I>>><i> content-type? +</I>>><i> because after delete_completed, there is a call to the +</I>>><i> cowboy_rest:has_resp_body function and I need to set the body of the +</I>>><i> response. +</I>>><i> +</I>>><i> delete_completed(Req, State) -> +</I>>><i> Body = Json or MsgPack ? <-- Which content ? +</I>>><i> +</I>>><i> Req2 = cowboy_req:set_resp_body(Body, Req), +</I>>><i> {true, Req2, State}. +</I>>><i> +</I>>><i> Ok, but in this case, what's the reason of content_types_provided/2 +</I>>><i> and +</I>>><i> content_types_accepted/2 ? +</I>>><i> +</I>>><i> Thank you, +</I>>><i> +</I>>><i> Stephane +</I>>><i> +</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> +</I>><i> +</I>><i> -- +</I>><i> Loïc Hoguin +</I>><i> <A HREF="http://ninenines.eu">http://ninenines.eu</A> +</I> + +-- +Stéphane Wirtel - <A HREF="http://wirtel.be">http://wirtel.be</A> - @matrixise +</PRE> + + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI>Previous message: <A HREF="000446.html">[99s-extend] cowboy_rest and delete_completed and response +</A></li> + <LI>Next message: <A HREF="000448.html">[99s-extend] I need your feedback about this cowboy_rest handler. +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#447">[ date ]</a> + <a href="thread.html#447">[ thread ]</a> + <a href="subject.html#447">[ subject ]</a> + <a href="author.html#447">[ author ]</a> + </LI> + </UL> + +<hr> +<a href="https://lists.ninenines.eu/listinfo/extend">More information about the Extend +mailing list</a><br> +</body></html> |