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<H1>[99s-extend] I need your feedback about this cowboy_rest handler.</H1>
<B>Stéphane Wirtel</B>
<A HREF="mailto:extend%40lists.ninenines.eu?Subject=Re%3A%20%5B99s-extend%5D%20I%20need%20your%20feedback%20about%20this%20cowboy_rest%20handler.&In-Reply-To=%3CC5A27633-46B8-47E3-816C-BFB44584E6CC%40wirtel.be%3E"
TITLE="[99s-extend] I need your feedback about this cowboy_rest handler.">stephane at wirtel.be
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<I>Wed Aug 27 11:29:46 CEST 2014</I>
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<PRE>Hi all,
This night, I wrote an example because I wanted to show you my work.
I have one handler for the concept of collections (in this case, tasks).
In this handler, I want these following methods:
POST /:collection
GET /:collection
DELETE /:collection
PUT /:collection
HEAD /:collection
:<i>collection is a string, example: /tasks1
</I>
HEAD /:collection (/tasks1)
StatusCode:
* 200 ok
* 404 not found
GET /:collection (/tasks1)
Gets information about the collection
StatusCode:
* 200 ok
* 404 not found
PUT /:collection (/tasks1)
Create a new collection of tasks
Status_Code:
* 201 created
Response: an object, in msgpack or json and I need to had a location
header
* 412 precondition failed, the collection name already exists
Response: an object, in msgpack or json with the error (already exists)
POST /:collection (/tasks1)
Add a new item in the collection, a new task
StatusCode:
* 201 created
* 202 accepted
* 404 not found (error in the collection name)
Response: need to add a location header and return an object in msgpack
or json.
DELETE /:collection (/tasks1)
Delete all the tasks
Status_Code:
* 200 ok.
* 404 not found
In the case of 200, we need to return an object in msgpack or json.
I provided a code and If you can help me, because I think cowboy_rest is
a good solution, but I also think I will have some problems with my
service.
Examples:
* delete_completed, I need to write the serialisation in the
delete_completed function and not with the help of the defined callbacks
of content_types_provided.
* for PUT, I need to return a location header, should I add it in the
is_conflict
function?
* for PUT, how I have a 201? I have read the rest_flowchart and I need
to specify the location header ok, but where? in the is_conflict
function?
So, do you have time to help me, because with this example, I can
propose it to the cowboy repository.
<A HREF="https://github.com/matrixise/demo_rest/blob/master/src/collection_handler.erl">https://github.com/matrixise/demo_rest/blob/master/src/collection_handler.erl</A>
You can propose your PR, comments or remarks, but I would like to use
cowboy_rest.
Regards,
Stephane
--
Stéphane Wirtel - <A HREF="http://wirtel.be">http://wirtel.be</A> - @matrixise
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