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* CalDAV/Calendar: fix for first recurence being an exception cause it to be deleted by mac calendar

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due to wrong start of series not taking execption into account
also fix missing timezone in EXDATE did not match recurrence
This commit is contained in:
Ralf Becker 2020-01-10 11:13:18 +01:00
parent 6113706921
commit 0f64b4c740
2 changed files with 16 additions and 7 deletions
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10
calendar/inc/class.calendar_groupdav.inc.php
View File

@ -688,7 +688,9 @@ class calendar_groupdav extends Api\CalDAV\Handler
if (isset($expand['start'])) $expand['start'] = $this->vCalendar->_parseDateTime($expand['start']);
if (isset($expand['end'])) $expand['end'] = $this->vCalendar->_parseDateTime($expand['end']);
}
$events =& self::get_series($event['uid'], $this->bo, $expand, $user);
// pass in original event as master, as it has correct start-date even if first recurrence is an exception
$events =& self::get_series($event['uid'], $this->bo, $expand, $user, $event);
// as alarm is now only on next recurrence, set alarm from original event on master
if ($event['alarm']) $events[0]['alarm'] = $event['alarm'];
}
@ -708,9 +710,10 @@ class calendar_groupdav extends Api\CalDAV\Handler
* @param calendar_bo $bo =null calendar_bo object to reuse for search call
* @param boolean|array $expand =false true or array with values for 'start', 'end' to expand recurrences
* @param int $user =null account_id of calendar to display, to remove master, if current user does not participate in
* @param array $master =null use provided event as master to fix wrong start-date if first recurrence is an exception
* @return array
*/
private static function &get_series($uid,calendar_bo $bo=null, $expand=false, $user=null)
private static function &get_series($uid,calendar_bo $bo=null, $expand=false, $user=null, $master=null)
{
if (is_null($bo)) $bo = new calendar_bopdate();
@ -729,13 +732,12 @@ class calendar_groupdav extends Api\CalDAV\Handler
}
// find master, which is not always first event, eg. when first event is an exception
$master = null;
$exceptions = array();
foreach($events as $k => &$recurrence)
{
if ($recurrence['recur_type'])
{
$master = $recurrence;
if (!isset($master)) $master = $recurrence;
$exceptions =& $master['recur_exception'];
unset($events[$k]);
break;

13
calendar/inc/class.calendar_ical.inc.php
View File

@ -672,9 +672,10 @@ class calendar_ical extends calendar_boupdate
{
foreach ($event['recur_exception'] as $key => $timestamp)
{
// current Horde_Icalendar 2.1.4 exports EXDATE always in UTC, so we should not set a timezone here
// current Horde_Icalendar 2.1.4 exports EXDATE always postfixed with a Z :(
// so if we set a timezone here, we have to remove the Z, see the hack at the end of this method
// Apple calendar on OS X 10.11.4 uses a timezone, so does Horde eg. for Recurrence-ID
$event['recur_exception'][$key] = self::getDateTime($timestamp,$tzid);//,$parameters['EXDATE']);
$event['recur_exception'][$key] = self::getDateTime($timestamp, $tzid, $parameters['EXDATE']);
}
}
else
@ -1073,7 +1074,13 @@ class calendar_ical extends calendar_boupdate
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__ .
"()\n".array2string($retval)."\n",3,$this->logfile);
}
return $retval;
// hack to fix iCalendar exporting EXDATE always postfixed with a Z
// EXDATE can have multiple values and therefore be folded into multiple lines
return preg_replace_callback("/\nEXDATE;TZID=[^:]+:[0-9TZ \n,]+/", function($matches)
{
return preg_replace('/([0-9 ])Z/', '$1', $matches[0]);
}, $retval);
}
/**