Tickets :: Comment on [#12843] Wrong timezone calculation with CalDAV

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Comment	> I've installed 5.1.6-git and tried to dig deeper into that problem. > Here is what I got: > > I'm importing the attached ics. That's the way lighning sends its data. > The main data is: > DTSTART;TZID=Europe/Berlin:20140205T100000 > DTEND;TZID=Europe/Berlin:20140205T110000 > > So here what happends in the code > In framework/Icalendar/lib/Horde/Icalendar.php line 1296 > $time = $this->_parseTime($dateParts[1]) > is called > it gets $dateParts[1] what has the correct value of 100000 > and it returns: > $time Array [4] > hour 10 > minute 00 > second 00 > zone Local > > In the next lines $this->_parseTZID($date, $time, $tzid) is called > that returns > $tzoffset 3600 > > That offset is substracted from the calculated time, what gives us > the correct time in UTC > > But when we came back to line 681 In > framework/Icalendar/lib/Horde/Icalendar.php and set the attribute with > $this->setAttribute($tag, $this->_parseDateTime($ts[0], $tzid), $params); > > We end up with an Object that looks like: > > $this Horde_Icalendar_Vevent > CLASSNAME Horde_Icalendar_Vevent > type vEvent > _container Horde_Icalendar > _attributes Array [7] > 0 Array [4] > 1 Array [4] > 2 Array [4] > 3 Array [4] > 4 Array [4] > 5 Array [4] > name DTSTART > params Array [1] > TZID Europe/Berlin > value 1391590800 > values Array [1] > 6 Array [4] > _components Array [0] > _newline > _version 2.0 > _oldFormat false > > So we have the time in UTC but TZID set to Europe/Berlin > That object get passed back the whole way to kronolith/data.php line 90 > $next_step = $data->nextStep($actionID, $param); > > So in the database I end up with and event that looks like: > event_start 2014-02-05 08:00:00 > event_end 2014-02-05 08:59:59 > event_timezone Europe/Berlin > > It looks like before the event get saved it get coonverted to UTC again > That's with > $conf['calendar']['params']['utc'] = true; > $conf['resource']['params']['utc'] = true; > > If I set both values to false I end up in the database with: > event_start 2014-02-05 09:00:00 > event_end 2014-02-05 09:59:59 > event_timezone Europe/Berlin > > So my quick fix is simple to disable the $tzoffset calculation. and > set it to false. (I know this is not really a fix of the problem) > Without that fix I can just add events correctly from lightning that > are in the same timezone as set in horde under Global Preferences > -> Local and Time > With that fix other timezones also work fine. > > So far for now, will dig deeper. > > > Another problem is that the webinterface of kronolith seems to show > all events according to UTC, no matter what is set in the settings. > But I think that is not related. >
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