/**
  * Parses some information from calendar objects, used for optimized
  * calendar-queries.
  *
  * Returns an array with the following keys:
  *   * etag
  *   * size
  *   * componentType
  *   * firstOccurence
  *   * lastOccurence
  *
  * @param string $calendarData
  * @throws Sabre_DAV_Exception_BadRequest
  * @return array
  */
 protected function getDenormalizedData($calendarData)
 {
     /** @var Sabre\VObject\Component\VEvent $vObject */
     $vObject = Sabre\VObject\Reader::read($calendarData);
     $componentType = null;
     $component = null;
     $firstOccurence = null;
     $lastOccurence = null;
     foreach ($vObject->getComponents() as $component) {
         if ($component->name !== 'VTIMEZONE') {
             $componentType = $component->name;
             break;
         }
     }
     if (!$componentType) {
         throw new Sabre_DAV_Exception_BadRequest('Calendar objects must have a VJOURNAL, VEVENT or VTODO component');
     }
     if ($componentType === 'VEVENT') {
         /** @var Sabre\VObject\Component\VEvent $component */
         /** @var Sabre\VObject\Property\DateTime $dtstart  */
         $dtstart = $component->__get("DTSTART");
         $firstOccurence = $dtstart->getDateTime()->getTimeStamp();
         // Finding the last occurence is a bit harder
         if (!$component->__get("RRULE")) {
             $lastOccurence = self::getDtEndTimeStamp($component);
         } else {
             $it = new Sabre\VObject\RecurrenceIterator($vObject, (string) $component->__get("UID"));
             $maxDate = new DateTime(CALDAV_MAX_YEAR . "-01-01");
             if ($it->isInfinite()) {
                 $lastOccurence = $maxDate->getTimeStamp();
             } else {
                 $end = $it->getDtEnd();
                 while ($it->valid() && $end < $maxDate) {
                     $end = $it->getDtEnd();
                     $it->next();
                 }
                 $lastOccurence = $end->getTimeStamp();
             }
         }
     }
     return array('etag' => md5($calendarData), 'size' => strlen($calendarData), 'componentType' => $componentType, 'firstOccurence' => $firstOccurence, 'lastOccurence' => $lastOccurence);
 }
예제 #2
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/**
 * Parses some information from calendar objects, used for optimized
 * calendar-queries.
 *
 * Blantently copied from Sabre\CalDAV\Backend\PDO
 *
 * Returns an array with the following keys:
 *   * etag
 *   * size
 *   * componentType
 *   * firstOccurence
 *   * lastOccurence
 *
 * @param string $calendarData
 * @return array
 */
function getDenormalizedData($calendarData)
{
    $vObject = \Sabre\VObject\Reader::read($calendarData);
    $componentType = null;
    $component = null;
    $firstOccurence = null;
    $lastOccurence = null;
    foreach ($vObject->getComponents() as $component) {
        if ($component->name !== 'VTIMEZONE') {
            $componentType = $component->name;
            break;
        }
    }
    if (!$componentType) {
        throw new \Sabre\DAV\Exception\BadRequest('Calendar objects must have a VJOURNAL, VEVENT or VTODO component');
    }
    if ($componentType === 'VEVENT') {
        $firstOccurence = $component->DTSTART->getDateTime()->getTimeStamp();
        // Finding the last occurence is a bit harder
        if (!isset($component->RRULE)) {
            if (isset($component->DTEND)) {
                $lastOccurence = $component->DTEND->getDateTime()->getTimeStamp();
            } elseif (isset($component->DURATION)) {
                $endDate = clone $component->DTSTART->getDateTime();
                $endDate->add(\Sabre\VObject\DateTimeParser::parse($component->DURATION->value));
                $lastOccurence = $endDate->getTimeStamp();
            } elseif (!$component->DTSTART->hasTime()) {
                $endDate = clone $component->DTSTART->getDateTime();
                $endDate->modify('+1 day');
                $lastOccurence = $endDate->getTimeStamp();
            } else {
                $lastOccurence = $firstOccurence;
            }
        } else {
            $it = new \Sabre\VObject\RecurrenceIterator($vObject, (string) $component->UID);
            $maxDate = new DateTime(\Sabre\CalDAV\Backend\PDO::MAX_DATE);
            if ($it->isInfinite()) {
                $lastOccurence = $maxDate->getTimeStamp();
            } else {
                $end = $it->getDtEnd();
                while ($it->valid() && $end < $maxDate) {
                    $end = $it->getDtEnd();
                    $it->next();
                }
                $lastOccurence = $end->getTimeStamp();
            }
        }
    }
    return array('etag' => md5($calendarData), 'size' => strlen($calendarData), 'componentType' => $componentType, 'firstOccurence' => $firstOccurence, 'lastOccurence' => $lastOccurence);
}