On Thursday, February 23, 2017 at 1:14:11 PM UTC-5, demo.be...@gmail.com
wrote:
>
>
> Hi everybody
>
> We have written a module to add CalDAV/CardDAV support to Dolibarr CRM
> software based on SabreDAV 3.0.8
>
> A user encounter a problem when creating a new event on his iPhone (7),
> the event is correctely created on CRM, return to iPhone calendar with the
> right UUID (containing Dolibarr event id) but original event is still
> present on iPhone. So we have a duplicate event on iPhone.
>
> This problem does not occur with Thunderbird/lightning or DAVDroid client.
>
> I suppose there something wrong in my CalDAV backend implementation but I
> don't know what.
>
> Is there someone to help me ?
>
> Here is the source :
> https://github.com/Befox/cdav/blob/master/class/CalDAVDolibarr.php
>
> Many thanks
>
> Jean-Pierre
>
Hi Jean-Pierre,
The mistake is exactly in your description. The iPhone creates an event
with a UID (note that it's not a UUID). Events should always keep their UID
for their entire lifetime. By changing it, you are violating the
specification and confusing the iPhone.
Note that this is not just a problem with iPhone, it would be
malfunctioning in Thunderbird as well if the event for example came from an
external source, such as an email invite.
Evert
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