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Calendar: Fix all-day events in a different timezone could slide by a day

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Ex: 1977-04-29 created in CET (+1) on a server in UTC would change to the 28th after a few years (1980)
Fixed by staying in server timezone for the recurrence calculations.
This commit is contained in:
nathan 2022-06-07 14:33:22 -06:00
parent 408eda8eb3
commit 173eb4e110
1 changed files with 9 additions and 3 deletions
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12
calendar/inc/class.calendar_bo.inc.php
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@ -1160,16 +1160,22 @@ class calendar_bo
// unset exceptions, as we need to add them as recurrence too, but marked as exception
unset($event['recur_exception']);
// loop over all recurrences and insert them, if they are after $start
$rrule = calendar_rrule::event2rrule($event, !$event['whole_day'], Api\DateTime::$user_timezone->getName()); // true = we operate in usertime, like the rest of calendar_bo
$rrule = calendar_rrule::event2rrule($event, !$event['whole_day'], // true = we operate in usertime, like the rest of calendar_bo
// For whole day events, just stay in server time
$event['whole_day'] ? Api\DateTime::$server_timezone->getName() : Api\DateTime::$user_timezone->getName()
);
foreach($rrule as $time)
{
$time->setUser(); // $time is in timezone of event, convert it to usertime used here
// $time is in timezone of event, convert it to usertime used here
if($event['whole_day'])
{
// All day events are processed in server timezone
$time->setServer();
$time->setTime(0,0,0);
}
else
{
$time->setUser();
}
if (($ts = $this->date2ts($time)) < $start-$event_length)
{
//echo "<p>".$time." --> ignored as $ts < $start-$event_length</p>\n";