[Kolab-devel] [issue1850] Problems with moving single item of recurring events

[T. Ribbrock]

New submission from T. Ribbrock <itsef-admin at brightsight.com>:

proko2.1.7 on SuSE 10.0:

We have encountered problems with moving a single item of a recurring event.
This manifests itself in two variations on the same theme, hence, I chose not to
split this up into several reports. Feel free to change this if necessary.

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Scenario 1

One of our users produced the following bug report - for him, this is 100%
reproducible:

1. Create a new recurrent event (doesn't matter what frequency you select)
2. Take an occurence of that recurrent event after the first occurence
of the series;
3. and drag and drop it to a moment a day or so later (it doesn't matter
how many days);
4. When the message box "Change a recurrent item" pops up, answer "only
this item";

5a. either Kontact crashes, or
5b. the "source" event stays at the original place, the "moved item" is
placed at the correct date and time. (Observation: the "source" event is
not recurring anymore, but the next in the series still is. So there are
now two events, the "source" and the "moved" event.

6a. If you remove the "source" event, both events are removed and the
application crashed;
6b. If you sync immediatly after the change in step 4, the "source"
event has disappeared and deleting the "moved" event works fine.
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I have tried to reproduce this and found slightly different behaviour. The user
in question has only one Calendar, whereas I have several. I found this:

Step 1-4 as above (I chose "weekly, on Thursdays, stop after 10 events" for my
tests). Note: It does *not* matter whether I sync after step 1 (creating the
event) or not! Also, I'm doing this in "Week" view. Kontact was started freshly
between attempts.
5. Like above, I now have two items in the calendar - the original one and the
moved one. I have not seen any crashes so far.
6. I switch back a week, then return to the week where I've moved the item. The
original item has now vanished and only the moved one is visible.
7. I switch to Mail view and sync, then back to Calendar view. The event has now
vanished *completely* from the agenda. Neither the original recurring event (in
any of the weeks), nor the moved one are anywhere to be seen.
8. I restart kontact. The recurring event is now *back* in the agenda. However,
if I got to the week where I moved the single occurrence, I find the "moved"
item now in the original time slot. It is no longer part of the recurring event,
though ("Edit" shows that it is not recurring) and the recurring event itself
has that date listed as "exception".

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messages: 11204
nosy: itsef_admin
priority: bug
status: unread
title: Problems with moving single item of recurring events
topic: kde client
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Kolab issue tracker <kolab-issues at intevation.de>
<https://intevation.de/roundup/kolab/issue1850>
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