[horde] Add Travel Time to Calendar Appointment

[Horst Simon]

> On 8 Oct 2021, at 08:32, Horst Simon <horst.simon2 at icloud.com> wrote:
> 
> 
> 
>>> On 8 Oct 2021, at 03:10, Jens Wahnes <wahnes at uni-koeln.de> wrote:
>>> 
>>> Ralf Lang wrote:
>>> Quoting Horst Simon <horst.simon2 at icloud.com>:
>>> 
>>>> Is it possible to add to Calendar Appointments travel time?
>> 
>>> I am not very sure I understand that feature. At the moment you can make 
>>> descriptions or you can add resources (like meeting rooms or any 
>>> demonstration material you need to have reservation on or take with 
>>> you), Attendees and a location but there is no field for travel time. 
>>> You could add separate appointments before and after representing 
>>> travel. I see it can be cumbersome if done a lot.
>> 
>> I think he is referring to a special attribute that is used in the Apple 
>> sphere (Mac, iPhone, etc.) for calendar entries. When adding a new 
>> calendar entry there, one can make the iPhone consider the time needed 
>> to travel to the location where the event is supposed to take place. 
>> That is, one will be reminded ahead of time to leave the current 
>> location to make it to the new place in time for the event.
>> 
>> I'm not sure how this is represented in the iCalendar format, but I 
>> suppose it's just another "custom field" of data that is stored on the 
>> server. After all, the server doesn't know the user's current location, 
>> so it can't make any assumtion how long it may take to travel to the 
>> event's location (let alone traffic conditions, mode of travel, etc.). 
>> Therefore, the actual time required must be something that is calculated 
>> on the client (iPhone). With this in mind, it might be possible to save 
>> this kind of information in Horde, once the new feature you described in 
>> your blog recently 
>> <https://www.ralf-lang.de/2021/10/03/custom-icalendar-data-in-kronolith-nag/> 
>> is available for regular Horde users.
>> 
> I am sorry I was not clear enough, is it as Jens described it above.

Above should read it is as Jens described.