[Incidencias #14603] Event changes notifications when using external application and CalDAV

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URL de la incidencia: https://bugs.horde.org/ticket/14603
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  Incidencia        | 14603
  Creada por        | alberto.garciasola at seap.minhap.es
  Resumen           | Event changes notifications when using external
                    | application and CalDAV
  Cola              | Kronolith
  Versión           | Git master
  Tipo              | Bug
  Estado            | Unconfirmed
  Prioridad         | 1. Low
  Milestone         |
  Patch             |
  Propietarios      |
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alberto.garciasola at seap.minhap.es (2017-03-28 17:01) escribió:

When using Thunderbird/Lightning to manage a CalDAV calendar I keep  
getting this annoying behaviour.

When I accept or create an event and invite someone, every time I get  
the reminder (let's say for instance 30 minutes before the event) I  
have to options:
- Silent for x minutes.
- Discard the event.

Weirdly in both cases Horde/SabreDAV send the notification to all  
attendees, but IMHO this makes no sense.
Why would they want to know if I have internally postponed my reminder  
a few minutes??
Or just that I accept and discard?

Therefore, there is NO WAY to use reminders and avoid sending no mails  
every time the reminder comes to time.

It is the same for every other action.

Using Horde web interface let you choose whether to send it or not,  
but using an external client like Lightning does not offer you that  
option. I have gone a bit further. Thunderbird manages the events when  
using local or WebDAV event, being Thunderbird the one that let you  
choose whether to send the mail or not, and is Thunderbird itself who  
sends the mails. But using CalDAV is Horde the one who sends the  
mails, being Thunderbird unable to let you choose.

There should be some delegation to Thunderbird, or at least the option  
to configure when to send mails to attendees, avoiding to flood them  
with a lot of messages for a single event.