W3C home > Mailing lists > Public > public-rww@w3.org > April 2012

Re: POSTing to a collection and GETing its index

From: Henry Story <henry.story@bblfish.net>
Date: Tue, 10 Apr 2012 15:54:46 +0200
Cc: Read-Write-Web <public-rww@w3.org>
Message-Id: <F5A5A000-1247-433C-88B7-C71E76B6C8B1@bblfish.net>
To: Alexandre Bertails <bertails@w3.org>

On 9 Apr 2012, at 15:12, Alexandre Bertails wrote:

> Hi Henry,
> 
> On 04/08/2012 06:20 PM, Henry Story wrote:
>> Hi,
>> 
>>   As I understand POSTing a resource to a Collection should create a new resource.
>> We want to allow collections to be POST only so that unknown people can post into
>> a collection without seeing the other resource in it. (whilst perhaps allowing the
>> POSTer to edit the resources he created in that collection). We would like the owner
>> of the collection to be able to know what is in the collection: so that he can for
>> example find the new resources POSTed there.
>> 
>>   So some user should be able to
>> 
>> POST /collection/ HTTP/1.1
>> 
>> thereby having the read-write-web server create the resource
>> 
>>   /collection/r42
>> 
>> which he could later edit in case he made a mistake. But he would not be
>> albe to find the elements of the collection by doing a
>> 
>> GET /collection/
> 
> There is no perfect solution for handling collections. I kind of like
> Sandro's idea [1]. Also, this is a place where using the WebDav verbs
> (eg. MKCOL) should be considered IMO. But this could be a problem in
> the browser.


Thanks. I added  file creation to a collection with the last patch

   https://dvcs.w3.org/hg/read-write-web/rev/5cf67ba5c0d4

in particular

   https://dvcs.w3.org/hg/read-write-web/file/5cf67ba5c0d4/src/main/scala/ReadWriteWeb.scala#l115

I'll try to do directory listings next, and also read up more closely on the
other comments on the list....



> Alexandre.
> 
> [1] http://www.w3.org/2001/sw/wiki/REST#Creating_Collections
> 
>> 
>> as that would be protected. He certainly could not edit what ends up being the
>> equivalent of /collection/index{.rdf} since he does not have access to that
>> file. It must therefore be up to the ReadWriteWeb server to do three things:
>> 
>>  1. create a name for the POSTed resource
>>  2. update/display the collection (sioc:Collection?) index retrieved when
>>     doing a GET /collection/
>>  3. Only show a subset of those elements of the collection that an agent
>>     has read access to
>> 
>> I think the scala read-write-web does not have POST on a collection (a directory
>> in unix terminology) create a new file currently. (It has a POST of a SPARQL update
>> on an rdf information resource change it.)
>> 
>> Does that sound right?
>> 
>> 	Henry
>> 
>> 
>> Social Web Architect
>> http://bblfish.net/
>> 
>> 
> 

Social Web Architect
http://bblfish.net/
Received on Tuesday, 10 April 2012 13:56:05 UTC

This archive was generated by hypermail 2.4.0 : Friday, 17 January 2020 17:10:25 UTC