/**
* Initialize recurrence engine
*
* @param array The recurrence properties
* @param object DateTime The recurrence start date
*/
public function init($recurrence, $start = null)
{
$this->recurrence = $recurrence;
$this->engine = new Horde_Date_Recurrence($start);
$this->engine->fromRRule20(libcalendaring::to_rrule($recurrence));
$this->set_start($start);
if (is_array($recurrence['EXDATE'])) {
foreach ($recurrence['EXDATE'] as $exdate) {
if (is_a($exdate, 'DateTime')) {
$this->engine->addException($exdate->format('Y'), $exdate->format('n'), $exdate->format('j'));
}
}
}
if (is_array($recurrence['RDATE'])) {
foreach ($recurrence['RDATE'] as $rdate) {
if (is_a($rdate, 'DateTime')) {
$this->engine->addRDate($rdate->format('Y'), $rdate->format('n'), $rdate->format('j'));
}
}
}
}
/**
* libcalendaring::to_rrule()
*/
function test_to_rrule()
{
$rrule = array('FREQ' => 'MONTHLY', 'BYDAY' => '2WE', 'INTERVAL' => 2, 'UNTIL' => new DateTime('2025-05-01 18:00:00 CEST'));
$s = libcalendaring::to_rrule($rrule);
$this->assertRegExp('/FREQ=' . $rrule['FREQ'] . '/', $s, "Recurrence Frequence");
$this->assertRegExp('/INTERVAL=' . $rrule['INTERVAL'] . '/', $s, "Recurrence Interval");
$this->assertRegExp('/BYDAY=' . $rrule['BYDAY'] . '/', $s, "Recurrence BYDAY");
$this->assertRegExp('/UNTIL=20250501T160000Z/', $s, "Recurrence End date (in UTC)");
}
/**
* Build a valid iCal format block from the given event
*
* @param array Hash array with event/task properties from libkolab
* @param object VCalendar object to append event to or false for directly sending data to stdout
* @param callable Callback function to fetch attachment contents, false if no attachment export
* @param object RECURRENCE-ID property when serializing a recurrence exception
*/
private function _to_ical($event, $vcal, $get_attachment, $recurrence_id = null)
{
$type = $event['_type'] ?: 'event';
$vcal_creator = new VObject\Component\VCalendar();
$ve = $vcal_creator->createComponent($this->type_component_map[$type]);
$ve->add('UID', $event['uid']);
// set DTSTAMP according to RFC 5545, 3.8.7.2.
$dtstamp = !empty($event['changed']) && !empty($this->method) ? $event['changed'] : new DateTime();
$ve->add('DTSTAMP', $dtstamp);
if ($event['allday']) {
$ve->DTSTAMP['VALUE'] = 'DATE';
}
if (!empty($event['created'])) {
$ve->add('CREATED', $event['created']);
}
if (!empty($event['changed'])) {
$ve->add('LAST-MODIFIED', $event['changed']);
}
if (!empty($event['start'])) {
$ve->add('DTSTART', $event['start']);
}
if ($event['allday']) {
$ve->DTSTART['VALUE'] = 'DATE';
}
if (!empty($event['end'])) {
$ve->add('DTEND', $event['end']);
}
if ($event['allday']) {
$ve->DTEND['VALUE'] = 'DATE';
}
if (!empty($event['due'])) {
$ve->add('DUE', $event['due']);
}
// we're exporting a recurrence instance only
if (!$recurrence_id && $event['recurrence_date'] && $event['recurrence_date'] instanceof DateTime) {
$recurrence_id = $vcal_creator->createProperty('RECURRENCE-ID');
$recurrence_id->setDateTime($event['recurrence_date']);
if ($event['allday']) {
$recurrence_id['VALUE'] = 'DATE';
}
if ($event['thisandfuture']) {
$recurrence_id->add('RANGE', 'THISANDFUTURE');
}
}
if ($recurrence_id) {
$ve->add($recurrence_id);
}
$ve->add('SUMMARY', $event['title']);
if ($event['location']) {
$ve->add('LOCATION', $event['location']);
}
if ($event['description']) {
$ve->add('DESCRIPTION', strtr($event['description'], array("\r\n" => "\n", "\r" => "\n")));
}
// normalize line endings
if (isset($event['sequence'])) {
$ve->add('SEQUENCE', $event['sequence']);
}
if ($event['recurrence'] && !$recurrence_id) {
$exdates = $rdates = null;
if (isset($event['recurrence']['EXDATE'])) {
$exdates = $event['recurrence']['EXDATE'];
unset($event['recurrence']['EXDATE']);
// don't serialize EXDATEs into RRULE value
}
if (isset($event['recurrence']['RDATE'])) {
$rdates = $event['recurrence']['RDATE'];
unset($event['recurrence']['RDATE']);
// don't serialize RDATEs into RRULE value
}
if ($event['recurrence']['FREQ']) {
$ve->add('RRULE', libcalendaring::to_rrule($event['recurrence'], (bool) $event['allday']));
}
// add EXDATEs each one per line (for Thunderbird Lightning)
if (is_array($exdates)) {
foreach ($exdates as $ex) {
$ve->add('EXDATE', $ex);
}
}
// add RDATEs
if (is_array($rdates) && !empty($rdates)) {
$ve->RDATE = $rdates;
}
}
if ($event['categories']) {
$ve->add('CATEGORIES', (array) $event['categories']);
}
if (!empty($event['free_busy'])) {
$ve->add('TRANSP', $event['free_busy'] == 'free' ? 'TRANSPARENT' : 'OPAQUE');
// for Outlook clients we provide the X-MICROSOFT-CDO-BUSYSTATUS property
if (stripos($this->agent, 'outlook') !== false) {
$ve->add('X-MICROSOFT-CDO-BUSYSTATUS', $event['free_busy'] == 'outofoffice' ? 'OOF' : strtoupper($event['free_busy']));
}
}
if ($event['priority']) {
$ve->add('PRIORITY', $event['priority']);
}
if ($event['cancelled']) {
$ve->add('STATUS', 'CANCELLED');
} else {
if ($event['free_busy'] == 'tentative') {
$ve->add('STATUS', 'TENTATIVE');
} else {
if ($event['complete'] == 100) {
$ve->add('STATUS', 'COMPLETED');
} else {
if (!empty($event['status'])) {
$ve->add('STATUS', $event['status']);
}
}
}
}
if (!empty($event['sensitivity'])) {
$ve->add('CLASS', strtoupper($event['sensitivity']));
}
if (!empty($event['complete'])) {
$ve->add('PERCENT-COMPLETE', intval($event['complete']));
}
// Apple iCal and BusyCal required the COMPLETED date to be set in order to consider a task complete
if ($event['status'] == 'COMPLETED' || $event['complete'] == 100) {
$ve->add('COMPLETED', $event['changed'] ?: new DateTime('now - 1 hour'), true);
}
if ($event['valarms']) {
foreach ($event['valarms'] as $alarm) {
$va = $vcal_creator->createComponent('VALARM');
$va->ACTION = $alarm['action'];
if ($alarm['trigger'] instanceof DateTime) {
$va->add('TRIGGER', $alarm['trigger']);
} else {
$va->add('TRIGGER', $alarm['trigger']);
if (strtoupper($alarm['related']) == 'END') {
$va->TRIGGER['RELATED'] = 'END';
}
}
if ($alarm['action'] == 'EMAIL') {
foreach ((array) $alarm['attendees'] as $attendee) {
$va->add('ATTENDEE', 'mailto:' . $attendee);
}
}
if ($alarm['description']) {
$va->add('DESCRIPTION', $alarm['description'] ?: $event['title']);
}
if ($alarm['summary']) {
$va->add('SUMMARY', $alarm['summary']);
}
if ($alarm['duration']) {
$va->add('DURATION', $alarm['duration']);
$va->add('REPEAT', intval($alarm['repeat']));
}
if ($alarm['uri']) {
$va->add('ATTACH', $alarm['uri'], array('VALUE' => 'URI'));
}
$ve->add($va);
}
} else {
if ($event['alarms']) {
$va = $vcal_creator->createComponent('VALARM');
list($trigger, $va->action) = explode(':', $event['alarms']);
$val = libcalendaring::parse_alarm_value($trigger);
if ($val[3]) {
$va->add('TRIGGER', $val[3]);
} else {
if ($val[0] instanceof DateTime) {
$va->add('TRIGGER', $val[0]);
}
}
$ve->add($va);
}
}
foreach ((array) $event['attendees'] as $attendee) {
if ($attendee['role'] == 'ORGANIZER') {
if (empty($event['organizer'])) {
$event['organizer'] = $attendee;
}
} else {
if (!empty($attendee['email'])) {
if (isset($attendee['rsvp'])) {
$attendee['rsvp'] = $attendee['rsvp'] ? 'TRUE' : null;
}
$ve->add('ATTENDEE', 'mailto:' . $attendee['email'], array_filter(self::map_keys($attendee, $this->attendee_keymap)));
}
}
}
if ($event['organizer']) {
$ve->add('ORGANIZER', 'mailto:' . $event['organizer']['email'], self::map_keys($event['organizer'], array('name' => 'CN')));
}
foreach ((array) $event['url'] as $url) {
if (!empty($url)) {
$ve->add('URL', $url);
}
}
if (!empty($event['parent_id'])) {
$ve->add('RELATED-TO', $event['parent_id'], array('RELTYPE' => 'PARENT'));
}
if ($event['comment']) {
$ve->add('COMMENT', $event['comment']);
}
$memory_limit = parse_bytes(ini_get('memory_limit'));
// export attachments
if (!empty($event['attachments'])) {
foreach ((array) $event['attachments'] as $attach) {
// check available memory and skip attachment export if we can't buffer it
// @todo: use rcube_utils::mem_check()
if (is_callable($get_attachment) && $memory_limit > 0 && ($memory_used = function_exists('memory_get_usage') ? memory_get_usage() : 16 * 1024 * 1024) && $attach['size'] && $memory_used + $attach['size'] * 3 > $memory_limit) {
continue;
}
// embed attachments using the given callback function
if (is_callable($get_attachment) && ($data = call_user_func($get_attachment, $attach['id'], $event))) {
// embed attachments for iCal
$ve->add('ATTACH', base64_encode($data), array_filter(array('VALUE' => 'BINARY', 'ENCODING' => 'BASE64', 'FMTTYPE' => $attach['mimetype'], 'X-LABEL' => $attach['name'])));
unset($data);
// attempt to free memory
} else {
if (!empty($this->attach_uri)) {
$ve->add('ATTACH', strtr($this->attach_uri, array('{{id}}' => urlencode($attach['id']), '{{name}}' => urlencode($attach['name']), '{{mimetype}}' => urlencode($attach['mimetype']))), array('FMTTYPE' => $attach['mimetype'], 'VALUE' => 'URI'));
}
}
}
}
foreach ((array) $event['links'] as $uri) {
$ve->add('ATTACH', $uri);
}
// add custom properties
foreach ((array) $event['x-custom'] as $prop) {
$ve->add($prop[0], $prop[1]);
}
// append to vcalendar container
if ($vcal) {
$vcal->add($ve);
} else {
// serialize and send to stdout
echo $ve->serialize();
}
// append recurrence exceptions
if (is_array($event['recurrence']) && $event['recurrence']['EXCEPTIONS']) {
foreach ($event['recurrence']['EXCEPTIONS'] as $ex) {
$exdate = $ex['recurrence_date'] ?: $ex['start'];
$recurrence_id = $vcal_crator->createProperty('RECURRENCE-ID');
$recurrence_id->setDateTime($exdate);
if ($event['allday']) {
$recurrence_id['VALUE'] = 'DATE';
}
if ($ex['thisandfuture']) {
$recurrence_id->add('RANGE', 'THISANDFUTURE');
}
$this->_to_ical($ex, $vcal, $get_attachment, $recurrence_id);
}
}
}
/**
* Convert save data to be used in SQL statements
*/
private function _save_preprocess($event, $action = 'new')
{
if (!$event['start'] || !is_a($event['start'], 'DateTime')) {
return $event;
}
if (!$event['end']) {
$event['end'] = $event['start'];
}
$event['duration'] = $event['end']->format('U') - $event['start']->format('U');
if ($event['allday']) {
$event['start']->setTimezone(new DateTimeZone('UTC'));
$event['start']->_dateonly = true;
$event['start']->setDate($event['start']->format('Y'), $event['start']->format('m'), $event['start']->format('d'));
$event['start']->setTime(0, 0, 0);
$event['end']->setTimezone(new DateTimeZone('UTC'));
$event['end']->_dateonly = true;
$event['end']->setDate($event['end']->format('Y'), $event['end']->format('m'), $event['end']->format('d'));
$event['end']->setTime(0, 0, 0);
if ($event['recurrence_date']) {
$event['recurrence_date']->setTimezone(new DateTimeZone('UTC'));
$event['recurrence_date']->_dateonly = true;
$event['recurrence_date']->setDate($event['recurrence_date']->format('Y'), $event['recurrence_date']->format('m'), $event['recurrence_date']->format('d'));
$event['recurrence_date']->setTime(0, 0, 0);
}
if (is_array($event['recurrence']) && is_array($event['recurrence']['RDATE'])) {
foreach ($event['recurrence']['RDATE'] as $idx => $rdate) {
$event['recurrence']['RDATE'][$idx]->setTimezone(new DateTimeZone('UTC'));
$event['recurrence']['RDATE'][$idx]->_dateonly = true;
$event['recurrence']['RDATE'][$idx]->setDate($rdate->format('Y'), $rdate->format('m'), $rdate->format('d'));
$event['recurrence']['RDATE'][$idx]->setTime(0, 0, 0);
}
}
if (is_array($event['recurrence']) && is_array($event['recurrence']['EXDATE'])) {
foreach ($event['recurrence']['EXDATE'] as $idx => $exdate) {
$event['recurrence']['EXDATE'][$idx]->setTimezone(new DateTimeZone('UTC'));
$event['recurrence']['EXDATE'][$idx]->_dateonly = true;
$event['recurrence']['EXDATE'][$idx]->setDate($exdate->format('Y'), $exdate->format('m'), $exdate->format('d'));
$event['recurrence']['EXDATE'][$idx]->setTime(0, 0, 0);
}
}
}
if ($event['categories'] && is_array($event['categories'])) {
$event['categories'] = implode(',', $event['categories']);
}
// compose vcalendar-style recurrencue rule from structured data
$rrule = $event['recurrence'] ? libcalendaring::to_rrule($event['recurrence']) : '';
$event['_recurrence'] = rtrim($rrule, ';');
$event['free_busy'] = intval($this->free_busy_map[strtolower($event['free_busy'])]);
$event['sensitivity'] = intval($this->sensitivity_map[strtolower($event['sensitivity'])]);
if (isset($event['allday'])) {
$event['all_day'] = $event['allday'] ? 1 : 0;
}
// compute absolute time to notify the user
$event['notifyat'] = $this->_get_notification($event, $action);
// process event attendees
$_attendees = '';
foreach ((array) $event['attendees'] as $attendee) {
if (is_array($attendee)) {
if (!$attendee['name'] && !$attendee['email']) {
continue;
}
$_attendees .= 'NAME="' . addcslashes($attendee['name'], '"') . '"' . ';STATUS=' . $attendee['status'] . ';ROLE=' . $attendee['role'] . ';EMAIL=' . $attendee['email'] . "\n";
}
}
$event['attendees'] = rtrim($_attendees);
return $event;
}
/**
* Convert save data to be used in SQL statements
*/
private function _save_preprocess($event)
{
// shift dates to server's timezone (except for all-day events)
if (!$event['allday']) {
$event['start'] = clone $event['start'];
$event['start']->setTimezone($this->server_timezone);
$event['end'] = clone $event['end'];
$event['end']->setTimezone($this->server_timezone);
}
// compose vcalendar-style recurrencue rule from structured data
$rrule = $event['recurrence'] ? libcalendaring::to_rrule($event['recurrence']) : '';
$event['_recurrence'] = rtrim($rrule, ';');
$event['free_busy'] = intval($this->free_busy_map[strtolower($event['free_busy'])]);
$event['sensitivity'] = intval($this->sensitivity_map[strtolower($event['sensitivity'])]);
if ($event['free_busy'] == 'tentative') {
$event['status'] = 'TENTATIVE';
}
if (isset($event['allday'])) {
$event['all_day'] = $event['allday'] ? 1 : 0;
}
// compute absolute time to notify the user
$event['notifyat'] = $this->_get_notification($event);
if (is_array($event['valarms'])) {
$event['alarms'] = $this->serialize_alarms($event['valarms']);
}
// process event attendees
if (!empty($event['attendees'])) {
$event['attendees'] = json_encode((array) $event['attendees']);
} else {
$event['attendees'] = '';
}
return $event;
}
/**
* Build a valid iCal format block from the given event
*
* @param array Hash array with event/task properties from libkolab
* @param object VCalendar object to append event to or false for directly sending data to stdout
* @param callable Callback function to fetch attachment contents, false if no attachment export
* @param object RECURRENCE-ID property when serializing a recurrence exception
*/
private function _to_ical($event, $vcal, $get_attachment, $recurrence_id = null)
{
$type = $event['_type'] ?: 'event';
$ve = VObject\Component::create($this->type_component_map[$type]);
$ve->add('UID', $event['uid']);
// set DTSTAMP according to RFC 5545, 3.8.7.2.
$dtstamp = !empty($event['changed']) && !empty($this->method) ? $event['changed'] : new DateTime();
$ve->add(self::datetime_prop('DTSTAMP', $dtstamp, true));
// all-day events end the next day
if ($event['allday'] && !empty($event['end'])) {
$event['end'] = clone $event['end'];
$event['end']->add(new \DateInterval('P1D'));
$event['end']->_dateonly = true;
}
if (!empty($event['created'])) {
$ve->add(self::datetime_prop('CREATED', $event['created'], true));
}
if (!empty($event['changed'])) {
$ve->add(self::datetime_prop('LAST-MODIFIED', $event['changed'], true));
}
if (!empty($event['start'])) {
$ve->add(self::datetime_prop('DTSTART', $event['start'], false, (bool) $event['allday']));
}
if (!empty($event['end'])) {
$ve->add(self::datetime_prop('DTEND', $event['end'], false, (bool) $event['allday']));
}
if (!empty($event['due'])) {
$ve->add(self::datetime_prop('DUE', $event['due'], false));
}
if ($recurrence_id) {
$ve->add($recurrence_id);
}
$ve->add('SUMMARY', $event['title']);
if ($event['location']) {
$ve->add($this->is_apple() ? new vobject_location_property('LOCATION', $event['location']) : new VObject\Property('LOCATION', $event['location']));
}
if ($event['description']) {
$ve->add('DESCRIPTION', strtr($event['description'], array("\r\n" => "\n", "\r" => "\n")));
}
// normalize line endings
if ($event['sequence']) {
$ve->add('SEQUENCE', $event['sequence']);
}
if ($event['recurrence'] && !$recurrence_id) {
if ($exdates = $event['recurrence']['EXDATE']) {
unset($event['recurrence']['EXDATE']);
// don't serialize EXDATEs into RRULE value
}
if ($rdates = $event['recurrence']['RDATE']) {
unset($event['recurrence']['RDATE']);
// don't serialize RDATEs into RRULE value
}
if ($event['recurrence']['FREQ']) {
$ve->add('RRULE', libcalendaring::to_rrule($event['recurrence']));
}
// add EXDATEs each one per line (for Thunderbird Lightning)
// Begin mod by Rosali (handle EXDATE the same as RDATE)
if (!empty($exdates)) {
$exdates = array_values($exdates);
$sample = self::datetime_prop('EXDATE', $exdates[0]);
$edprop = new VObject\Property\MultiDateTime('EXDATE', null);
$edprop->setDateTimes($exdates, $sample->getDateType());
$ve->add($edprop);
}
// End mod by Rosali
// add RDATEs
if (!empty($rdates)) {
$sample = self::datetime_prop('RDATE', $rdates[0]);
$rdprop = new VObject\Property\MultiDateTime('RDATE', null);
$rdprop->setDateTimes($rdates, $sample->getDateType());
$ve->add($rdprop);
}
}
if ($event['categories']) {
$cat = VObject\Property::create('CATEGORIES');
$cat->setParts((array) $event['categories']);
$ve->add($cat);
}
if (!empty($event['free_busy'])) {
$ve->add('TRANSP', $event['free_busy'] == 'free' ? 'TRANSPARENT' : 'OPAQUE');
// for Outlook clients we provide the X-MICROSOFT-CDO-BUSYSTATUS property
if (stripos($this->agent, 'outlook') !== false) {
$ve->add('X-MICROSOFT-CDO-BUSYSTATUS', $event['free_busy'] == 'outofoffice' ? 'OOF' : strtoupper($event['free_busy']));
}
}
// Begin mod by Rosali (adjust float value to percent)
if ($event['complete'] && $event['complete'] <= 1) {
$event['complete'] = round($event['complete'] * 100, 0);
}
// End mod by Rosali
if ($event['priority']) {
$ve->add('PRIORITY', $event['priority']);
}
if ($event['cancelled']) {
$ve->add('STATUS', 'CANCELLED');
} else {
if ($event['free_busy'] == 'tentative') {
$ve->add('STATUS', 'TENTATIVE');
} else {
if ($event['complete'] == 100) {
$ve->add('STATUS', 'COMPLETED');
} else {
if ($event['status']) {
$ve->add('STATUS', $event['status']);
}
}
}
}
// End mod by Rosali
if (!empty($event['sensitivity'])) {
$ve->add('CLASS', strtoupper($event['sensitivity']));
}
if (!empty($event['complete'])) {
$ve->add('PERCENT-COMPLETE', intval($event['complete']));
// Apple iCal required the COMPLETED date to be set in order to consider a task complete
if ($event['complete'] == 100) {
$ve->add(self::datetime_prop('COMPLETED', $event['changed'] ?: new DateTime('now - 1 hour'), true));
}
}
if ($event['alarms']) {
$va = VObject\Component::create('VALARM');
list($trigger, $va->action) = explode(':', $event['alarms']);
$val = libcalendaring::parse_alaram_value($trigger);
$period = $val[1] && preg_match('/[HMS]$/', $val[1]) ? 'PT' : 'P';
if ($val[1]) {
$va->add('TRIGGER', preg_replace('/^([-+])P?T?(.+)/', "\\1{$period}\\2", $trigger));
} else {
$va->add('TRIGGER', gmdate('Ymd\\THis\\Z', $val[0]), array('VALUE' => 'DATE-TIME'));
}
$ve->add($va);
}
foreach ((array) $event['attendees'] as $attendee) {
if (is_array($attendee)) {
// Mod by Rosali (check type array)
if ($attendee['role'] == 'ORGANIZER') {
if (empty($event['organizer'])) {
$event['organizer'] = $attendee;
}
} else {
if (!empty($attendee['email'])) {
$attendee['rsvp'] = $attendee['rsvp'] ? 'TRUE' : null;
$ve->add('ATTENDEE', 'mailto:' . $attendee['email'], array_filter(self::map_keys($attendee, $this->attendee_keymap)));
}
}
}
}
if ($event['organizer']) {
$ve->add('ORGANIZER', 'mailto:' . $event['organizer']['email'], self::map_keys($event['organizer'], array('name' => 'CN')));
}
foreach ((array) $event['url'] as $url) {
if (!empty($url)) {
$ve->add('URL', $url);
}
}
if (!empty($event['parent_id'])) {
$ve->add('RELATED-TO', $event['parent_id'], array('RELTYPE' => 'PARENT'));
}
// export attachments
if (!empty($event['attachments'])) {
foreach ((array) $event['attachments'] as $attach) {
// check available memory and skip attachment export if we can't buffer it
if (is_callable($get_attachment) && $memory_limit > 0 && ($memory_used = function_exists('memory_get_usage') ? memory_get_usage() : 16 * 1024 * 1024) && $attach['size'] && $memory_used + $attach['size'] * 3 > $memory_limit) {
continue;
}
// embed attachments using the given callback function
if (is_callable($get_attachment) && ($data = call_user_func($get_attachment, $attach['id'], $event))) {
// embed attachments for iCal
$ve->add('ATTACH', base64_encode($data), array_filter(array('VALUE' => 'BINARY', 'ENCODING' => 'BASE64', 'FMTTYPE' => $attach['mimetype'], 'X-LABEL' => $attach['name'])));
unset($data);
// attempt to free memory
} else {
if (!empty($this->attach_uri)) {
$ve->add('ATTACH', strtr($this->attach_uri, array('{{id}}' => urlencode($attach['id']), '{{name}}' => urlencode($attach['name']), '{{mimetype}}' => urlencode($attach['mimetype']))), array('FMTTYPE' => $attach['mimetype'], 'VALUE' => 'URI'));
}
}
}
}
foreach ((array) $event['links'] as $uri) {
$ve->add('ATTACH', $uri);
}
// add custom properties
foreach ((array) $event['x-custom'] as $prop) {
$ve->add($prop[0], $prop[1]);
}
// append to vcalendar container
if ($vcal) {
$vcal->add($ve);
} else {
// serialize and send to stdout
echo $ve->serialize();
}
// append recurrence exceptions
if (isset($event['recurrence']['EXCEPTIONS']) && is_array($event['recurrence']['EXCEPTIONS'])) {
foreach ($event['recurrence']['EXCEPTIONS'] as $ex) {
$exdate = clone $event['start'];
$exdate->setDate($ex['start']->format('Y'), $ex['start']->format('n'), $ex['start']->format('j'));
$recurrence_id = self::datetime_prop('RECURRENCE-ID', $exdate, true);
// if ($ex['thisandfuture']) // not supported by any client :-(
// $recurrence_id->add('RANGE', 'THISANDFUTURE');
$this->_to_ical($ex, $vcal, $get_attachment, $recurrence_id);
}
}
}
/**
* Convert save data to be used in SQL statements
*/
private function _save_preprocess($event)
{
// shift dates to server's timezone (except for all-day events)
if (!$event['allday']) {
$event['start'] = clone $event['start'];
$event['start']->setTimezone($this->server_timezone);
$event['end'] = clone $event['end'];
$event['end']->setTimezone($this->server_timezone);
}
// compose vcalendar-style recurrencue rule from structured data
$rrule = $event['recurrence'] ? libcalendaring::to_rrule($event['recurrence']) : '';
$event['_recurrence'] = rtrim($rrule, ';');
$event['free_busy'] = intval($this->free_busy_map[strtolower($event['free_busy'])]);
$event['sensitivity'] = intval($this->sensitivity_map[strtolower($event['sensitivity'])]);
if ($event['free_busy'] == 'tentative') {
$event['status'] = 'TENTATIVE';
}
if (isset($event['allday'])) {
$event['all_day'] = $event['allday'] ? 1 : 0;
}
// compute absolute time to notify the user
$event['notifyat'] = $this->_get_notification($event);
if (is_array($event['valarms'])) {
$event['alarms'] = $this->serialize_alarms($event['valarms']);
}
// process event attendees
$_attendees = '';
foreach ((array) $event['attendees'] as $attendee) {
if (!$attendee['name'] && !$attendee['email']) {
continue;
}
$_attendees .= 'NAME="' . addcslashes($attendee['name'], '"') . '"' . ';STATUS=' . $attendee['status'] . ';ROLE=' . $attendee['role'] . ';EMAIL=' . $attendee['email'] . "\n";
}
$event['attendees'] = rtrim($_attendees);
return $event;
}
