/**
* Creates a new component.
*
* By default this object will iterate over its own children, but this can
* be overridden with the iterator argument
*
* @param string $name
* @param Sabre\VObject\ElementList $iterator
*/
public function __construct()
{
parent::__construct();
$tz = new \DateTimeZone(\GO::user() ? \GO::user()->timezone : date_default_timezone_get());
//$tz = new \DateTimeZone("Europe/Amsterdam");
$transitions = $tz->getTransitions();
$start_of_year = mktime(0, 0, 0, 1, 1);
$to = \GO\Base\Util\Date::get_timezone_offset(time());
if ($to < 0) {
if (strlen($to) == 2) {
$to = '-0' . $to * -1;
}
} else {
if (strlen($to) == 1) {
$to = '0' . $to;
}
$to = '+' . $to;
}
$STANDARD_TZOFFSETFROM = $STANDARD_TZOFFSETTO = $DAYLIGHT_TZOFFSETFROM = $DAYLIGHT_TZOFFSETTO = $to;
$STANDARD_RRULE = '';
$DAYLIGHT_RRULE = '';
for ($i = 0, $max = count($transitions); $i < $max; $i++) {
if ($transitions[$i]['ts'] > $start_of_year) {
$weekday1 = $this->_getDay($transitions[$i]['time']);
$weekday2 = $this->_getDay($transitions[$i + 1]['time']);
if ($transitions[$i]['isdst']) {
$dst_start = $transitions[$i];
$dst_end = $transitions[$i + 1];
} else {
$dst_end = $transitions[$i];
$dst_start = $transitions[$i + 1];
}
$STANDARD_TZOFFSETFROM = $this->_formatVtimezoneTransitionHour($dst_start['offset'] / 3600);
$STANDARD_TZOFFSETTO = $this->_formatVtimezoneTransitionHour($dst_end['offset'] / 3600);
$DAYLIGHT_TZOFFSETFROM = $this->_formatVtimezoneTransitionHour($dst_end['offset'] / 3600);
$DAYLIGHT_TZOFFSETTO = $this->_formatVtimezoneTransitionHour($dst_start['offset'] / 3600);
$DAYLIGHT_RRULE = "FREQ=YEARLY;BYDAY={$weekday1};BYMONTH=" . date('n', $dst_start['ts']);
$STANDARD_RRULE = "FREQ=YEARLY;BYDAY={$weekday2};BYMONTH=" . date('n', $dst_end['ts']);
break;
}
}
$this->tzid = $tz->getName();
// $this->add("last-modified", "19870101T000000Z");
$rrule = new \Sabre\VObject\Recur\RRuleIterator($STANDARD_RRULE, new \DateTime('1970-01-01 ' . substr($STANDARD_TZOFFSETFROM, 1) . ':00'));
$rrule->next();
$rrule->next();
$this->add($this->createComponent("standard", array('dtstart' => $rrule->current()->format('Ymd\\THis'), 'rrule' => $STANDARD_RRULE, 'tzoffsetfrom' => $STANDARD_TZOFFSETFROM . "00", 'tzoffsetto' => $STANDARD_TZOFFSETTO . "00")));
$rrule = new \Sabre\VObject\Recur\RRuleIterator($DAYLIGHT_RRULE, new \DateTime('1970-01-01 ' . substr($DAYLIGHT_TZOFFSETFROM, 1) . ':00'));
$rrule->next();
$rrule->next();
$this->add($this->createComponent("daylight", array('dtstart' => $rrule->current()->format('Ymd\\THis'), 'rrule' => $DAYLIGHT_RRULE, 'tzoffsetfrom' => $DAYLIGHT_TZOFFSETFROM . "00", 'tzoffsetto' => $DAYLIGHT_TZOFFSETTO . "00")));
}
