示例#1
0
 /**
  * Checks based on the contained FREEBUSY information, if a timeslot is
  * available.
  *
  * @param DateTime $start
  * @param Datetime $end
  * @return bool
  */
 public function isFree(\DateTime $start, \Datetime $end)
 {
     foreach ($this->select('FREEBUSY') as $freebusy) {
         // We are only interested in FBTYPE=BUSY (the default),
         // FBTYPE=BUSY-TENTATIVE or FBTYPE=BUSY-UNAVAILABLE.
         if (isset($freebusy['FBTYPE']) && strtoupper(substr((string) $freebusy['FBTYPE'], 0, 4)) !== 'BUSY') {
             continue;
         }
         // The freebusy component can hold more than 1 value, separated by
         // commas.
         $periods = explode(',', (string) $freebusy);
         foreach ($periods as $period) {
             // Every period is formatted as [start]/[end]. The start is an
             // absolute UTC time, the end may be an absolute UTC time, or
             // duration (relative) value.
             list($busyStart, $busyEnd) = explode('/', $period);
             $busyStart = VObject\DateTimeParser::parse($busyStart);
             $busyEnd = VObject\DateTimeParser::parse($busyEnd);
             if ($busyEnd instanceof \DateInterval) {
                 $tmp = clone $busyStart;
                 $tmp->add($busyEnd);
                 $busyEnd = $tmp;
             }
             if ($start < $busyEnd && $end > $busyStart) {
                 return false;
             }
         }
     }
     return true;
 }
示例#2
0
 /**
  * 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 $calendarData
  * @return array
  */
 protected function getDenormalizedData($calendarData)
 {
     $vObject = VObject\Reader::read($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 \SabreForRainLoop\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();
                 $endDate->add(VObject\DateTimeParser::parse($component->DURATION->getValue()));
                 $lastOccurence = $endDate->getTimeStamp();
             } elseif (!$component->DTSTART->hasTime()) {
                 $endDate = clone $component->DTSTART->getDateTime();
                 $endDate->modify('+1 day');
                 $lastOccurence = $endDate->getTimeStamp();
             } else {
                 $lastOccurence = $firstOccurence;
             }
         } else {
             $it = new VObject\RecurrenceIterator($vObject, (string) $component->UID);
             $maxDate = new \DateTime(self::MAX_DATE);
             if ($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);
 }
示例#3
0
 /**
  * Returns multiple date-time values.
  *
  * @return \DateTime[]
  */
 public function getDateTimes()
 {
     // Finding the timezone.
     $tz = $this['TZID'];
     if ($tz) {
         $tz = TimeZoneUtil::getTimeZone((string) $tz, $this->root);
     }
     $dts = array();
     foreach ($this->getParts() as $part) {
         $dts[] = DateTimeParser::parse($part, $tz);
     }
     return $dts;
 }