/**
* Convert a Rrule object from an Icalendar Rrule string.
*
* Set the values of this object from the latest version of an Icalendar Rrule
*/
private function _parseRruleIcalendar($rrule)
{
$params = explode(';', $rrule);
while ($param = array_shift($params)) {
$param_arr = explode('=', $param);
if (isset($param_arr[0]) && isset($param_arr[1])) {
$rrule_arr[strtoupper(trim($param_arr[0]))] = strtoupper(trim($param_arr[1]));
}
}
$this->_byday = !empty($rrule_arr['BYDAY']) ? explode(',', $rrule_arr['BYDAY']) : array();
$this->_bymonth = !empty($rrule_arr['BYMONTH']) ? intval($rrule_arr['BYMONTH']) : 0;
$this->_bymonthday = !empty($rrule_arr['BYMONTHDAY']) ? intval($rrule_arr['BYMONTHDAY']) : 0;
$this->_freq = !empty($rrule_arr['FREQ']) ? $rrule_arr['FREQ'] : '';
$this->_until = isset($rrule_arr['UNTIL']) ? intval(\GO\Base\Util\Date::parseIcalDate($rrule_arr['UNTIL'])) : 0;
$this->_count = !empty($rrule_arr['COUNT']) ? intval($rrule_arr['COUNT']) : 0;
$this->_interval = !empty($rrule_arr['INTERVAL']) ? intval($rrule_arr['INTERVAL']) : 1;
$this->_bysetpos = !empty($rrule_arr['BYSETPOS']) ? intval($rrule_arr['BYSETPOS']) : 0;
//fix for thundebird sending: RRULE:FREQ=DAILY;UNTIL=20150326T080000Z;BYDAY=MO,TU,WE,TH,FR
//it should work as RRULE:FREQ=WEEKLY;UNTIL=20150326T080000Z;BYDAY=MO,TU,WE,TH,FR
if (!empty($this->_byday) && $this->_freq == 'DAILY') {
$this->_freq = 'WEEKLY';
}
if ($this->_bysetpos < 0) {
throw new \Exception("'Last X of month' recurrence pattern currently not supported by Group-Office.");
}
$this->_splitDaysAndSetPos();
//if rrule is passed like this: RRULE:INTERVAL=1;FREQ=WEEKLY;BYDAY=
//then assume days should be the event start time day.
if (isset($rrule_arr['BYDAY']) && empty($this->_byday)) {
$this->_byday = array($this->_days[gmdate('w', $this->_eventstarttime)]);
}
// if($this->_freq == 'YEARLY' && (!empty($this->_bymonth) || !empty($this->_bymonth))) {
// throw new \Exception("Sorry, this recurrence pattern is not supported by Group-Office");
// }
//figure out end time of event
if ($this->_count > 0 && empty($this->_until)) {
$this->_until = $until = 0;
for ($i = 0; $i < $this->_count; $i++) {
$until = $this->getNextRecurrence();
}
$this->_until = $until;
}
return true;
}
