[Kde-pim] Marketing blocker collection, DEADLINE: 2013-03-10

[Georg C. F. Greve]

On 2013-03-20 21:37, Anders Lund wrote:
> Data posted here are from akonadi-console.

That is actually not the question I asked.

You must have populated the calendar with data somehow.


> There appears to be problems with retrieveing one of my owncloud 
> calendars
> since I updated owncloud to 5.0. New events are fetched, and I can add 
> events,
> but older events are not recognized. They are displayed in the 
> owncloud web
> interface and on my android phone though. Other owncloud calendars 
> works fine.
> (they are in the same server, owncloud allows to have multiple 
> calendars)

Yes, but as far as I know ownCloud only provides "dumb" CalDAV/CardDAV 
storage.

A full server would provide capabilities of addressing the different 
vendor flavours of CalDAV/CardDAV in existence and map them to an actual 
canonical storage format, which CalDAV/CardDAV is not. Otherwise there 
is a good chance that a fully standards compliant implementation in the 
Akonadi server and a fully standards compliant implementation on 
ownCloud would still have problems exchanging data.

Google will allow you to find plenty of instances of multi-client 
CalDAV/CardDAV setups having compatibility issues, e.g. for Zimbra. So 
even full groupware servers (which ownCloud is not) struggle with this. 
I'm not sure this is what is actually happening, but it is entirely 
possible the problem is not actually with the Akonadi agent and that it 
correctly reports invalid data, while ownCloud and the CalDAV client 
you're using on Android happen to understand each other well enough that 
you got lucky.

Either way: Supporting dumb CalDAV/CardDAV stores is a bit outside the 
scope of Akonadi, I guess, as it would mean that it would have to have 
compatibility provisions for every single client out there, which should 
normally be handled by the server. That means this would be a feature 
request, and while a lacking feature of course results in "could be 
better" user experience from the user perspective, it is not in and of 
itself a usability issue.

Question would be: Do we know of CalDAV/CardDAV servers that work 
against this Akonadi agent?

Best regards,
Georg


-- 
Georg C. F. Greve
Chief Executive Officer

Kolab Systems AG
Zürich, Switzerland

e: greve at kolabsys.com
t: +41 78 904 43 33
w: http://kolabsys.com

pgp: 86574ACA Georg C. F. Greve
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