private function applyICalendarTimes($start, $end, $timezoneID = null)
{
$utc = new DateTimezone('UTC');
$timezone = null;
$userTimeZone = Phprojekt_User_User::getUserDateTimeZone();
if ('Z' === substr($start, -1)) {
$timezone = $utc;
} else {
if (!is_null($timezoneID)) {
$timezone = new DateTimeZone($timezoneID);
} else {
$timezone = $userTimeZone;
}
}
// We can't use ->setTimezone with the timezones returned by getUserDateTimeZone, as these are non-standard
// timezones. Unless we start storing correct timezones, we can't directly set the user timezone, so we go to
// UTC and convert to usertime from there. Because utcToUser returns a unix timestamp, but ActiveRecords expects
// a "Y-m-d H:i:s" timestamp, we have to go through Datetime again.
$start = new Datetime($start, $timezone);
$start->setTimezone($utc);
$startTs = Phprojekt_Converter_Time::utcToUser($start->format('Y-m-d H:i:s'));
$start = new Datetime('@' . $startTs);
$end = new Datetime($end, $timezone);
$end->setTimezone($utc);
$endTs = Phprojekt_Converter_Time::utcToUser($end->format('Y-m-d H:i:s'));
$end = new Datetime('@' . $endTs);
if ($start->diff($end)->invert) {
throw new Sabre_DAV_Exception_BadRequest('Start must be before End');
}
$this->_timecard->startDatetime = $start->format('Y-m-d H:i:s');
if ($start->format('z') == $end->format('z')) {
// Same day
$this->_timecard->endTime = $end->format('H:i:s');
} else {
$this->_timecard->endTime = '23:59:00';
}
}
/**
* Updates this Calendar2 object with data from the given VEVENT
*
* The returned object must be save()d before it is persistent.
* This also means that additional changes can be made before any database calls are made.
*
* @param Sabre_VObject_Component $vevent The vevent component
*
* @throws Exception If the provided component is not a vevent
*
* @return void
*/
public function fromVObject(Sabre_VObject_Component $vevent)
{
if (strtolower($vevent->name) !== 'vevent') {
throw new Exception("Invalid type of vobject_component passed to Calendar2_Models_Calendar2::fromVobject ({$vevent->name})");
}
// Workarounds for missing features. We currently don't support locale-time (we just assume it's the user's
// usual timzeone) or date values without time (we just assume 0800 - 2000 there).
if (!is_null($vevent->dtstart['VALUE']) && $vevent->dtstart['VALUE']->value === 'DATE') {
// No T means it's only a date. iCalendar dicates that dtend must be a date, too.
$vevent->dtstart->value .= 'T080000';
unset($vevent->dtstart['VALUE']);
// Caldav end dates are not inclusive
$end = new Datetime($vevent->dtend->value);
$end->sub(new DateInterval('P1D'));
$vevent->dtend->value = $end->format('Ymd') . 'T200000';
unset($vevent->dtend['VALUE']);
}
$utc = new DateTimezone('UTC');
$timezone = null;
if ('Z' === substr($vevent->dtstart->value, -1)) {
$timezone = $utc;
} else {
if (!is_null($vevent->dtstart['tzid'])) {
$timezone = new DateTimeZone($vevent->dtstart['tzid']->value);
} else {
$timezone = Phprojekt_User_User::getUserDateTimeZone();
}
}
// 0-1
// handled:
// last-mod, description, dtstart, location, summary, uid
// not handled
// class, created, geo, organizer, priority, dtstamp, seq, status, transp, url, recurid
//
// none or one of these two
// dtend, duration (only assumes dtend case for now)
//
// 0 - n
// TODO: Check how we can handle these. Maybe just concat them?
// handling: (only one is handled atm, though)
// comment, rrule
// not handling:
// attach, attendee, categories, contact, exdate, exrule, rstatus, related, resources, rdate, x-prop
$mappable = array(array('veventkey' => 'SUMMARY', 'ourkey' => 'summary', 'default' => '_'), array('veventkey' => 'LOCATION', 'ourkey' => 'location', 'default' => ''), array('veventkey' => 'DESCRIPTION', 'ourkey' => 'description', 'default' => ''), array('veventkey' => 'COMMENT', 'ourkey' => 'comments'), array('veventkey' => 'UID', 'ourkey' => 'uid'), array('veventkey' => 'LAST-MODIFIED', 'ourkey' => 'lastModified'), array('veventkey' => 'RRULE', 'ourkey' => 'rrule', 'default' => ''));
foreach ($mappable as $m) {
if (isset($vevent->{$m}['veventkey'])) {
$this->{$m}['ourkey'] = $vevent->{$m}['veventkey'];
} else {
if (array_key_exists('default', $m)) {
$this->{$m}['ourkey'] = $m['default'];
}
}
}
$start = new Datetime($vevent->dtstart->value, $timezone);
$start->setTimezone($utc);
$this->start = Phprojekt_Converter_Time::utcToUser($start->format('Y-m-d H:i:s'));
if ($vevent->dtend) {
$end = new Datetime($vevent->dtend->value, $timezone);
} else {
if ($vevent->duration) {
$duration = new DateInterval($vevent->duration->value);
$end = clone $start;
$end->add($duration);
}
}
$end->setTimezone($utc);
$this->end = Phprojekt_Converter_Time::utcToUser($end->format('Y-m-d H:i:s'));
}
/**
* Return ical busy times for the given time period and user. If no
* user is given, default to the currently logged in user.
*
* Request parameters:
* int user => The id of the user. May be null.
* datetime start => The start of the period to check.
* datetime end => The end of the period to check.
*
* Response
* Array of {
* datetime start => The start of the busy period.
* datetime end => The end of the busy period.
* }
*/
public function jsonBusyTimesAction()
{
$user = $this->getRequest()->getParam('user', Phprojekt_Auth_Proxy::getEffectiveUserId());
$start = $this->getRequest()->getParam('start');
$end = $this->getRequest()->getParam('end');
if (!Cleaner::validate('int', $user)) {
throw new Zend_Controller_Action_Exception("Invalid id '{$id}'", 400);
}
$user = (int) $user;
if (!self::_validateTimestamp($start)) {
throw new Zend_Controller_Action_Exception("Invalid start timestamp '{$start}'", 400);
}
if (!self::_validateTimestamp($end)) {
throw new Zend_Controller_Action_Exception("Invalid end timestamp '{$start}'", 400);
}
$start = new Datetime($start, Phprojekt_User_User::getUserDateTimeZone());
$end = new Datetime($end, Phprojekt_User_User::getUserDateTimeZone());
$model = new Calendar2_Models_Calendar2();
$events = $model->fetchAllForPeriod($start, $end);
$busyPeriods = array();
foreach ($events as $event) {
$busyPeriods[] = array('start' => new Datetime($event->start, new DateTimeZone('UTC')), 'end' => new Datetime($event->end, new DateTimeZone('UTC')));
}
Phprojekt_Converter_Json::echoConvert(Calendar2_Helper_Time::compactPeriods($busyPeriods));
}
