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- <?php
- namespace Sabre\VObject\Component;
- use Sabre\VObject;
- use Sabre\VObject\Recur\EventIterator;
- use Sabre\VObject\Recur\NoInstancesException;
- /**
- * VEvent component
- *
- * This component contains some additional functionality specific for VEVENT's.
- *
- * @copyright Copyright (C) fruux GmbH (https://fruux.com/)
- * @author Evert Pot (http://evertpot.com/)
- * @license http://sabre.io/license/ Modified BSD License
- */
- class VEvent extends VObject\Component {
- /**
- * Returns true or false depending on if the event falls in the specified
- * time-range. This is used for filtering purposes.
- *
- * The rules used to determine if an event falls within the specified
- * time-range is based on the CalDAV specification.
- *
- * @param \DateTime $start
- * @param \DateTime $end
- * @return bool
- */
- public function isInTimeRange(\DateTime $start, \DateTime $end) {
- if ($this->RRULE) {
- try {
- $it = new EventIterator($this, null, $start->getTimezone());
- } catch (NoInstancesException $e) {
- // If we've catched this exception, there are no instances
- // for the event that fall into the specified time-range.
- return false;
- }
- $it->fastForward($start);
- // We fast-forwarded to a spot where the end-time of the
- // recurrence instance exceeded the start of the requested
- // time-range.
- //
- // If the starttime of the recurrence did not exceed the
- // end of the time range as well, we have a match.
- return ($it->getDTStart() < $end && $it->getDTEnd() > $start);
- }
- $effectiveStart = $this->DTSTART->getDateTime($start->getTimezone());
- if (isset($this->DTEND)) {
- // The DTEND property is considered non inclusive. So for a 3 day
- // event in july, dtstart and dtend would have to be July 1st and
- // July 4th respectively.
- //
- // See:
- // http://tools.ietf.org/html/rfc5545#page-54
- $effectiveEnd = $this->DTEND->getDateTime($end->getTimezone());
- } elseif (isset($this->DURATION)) {
- $effectiveEnd = clone $effectiveStart;
- $effectiveEnd->add(VObject\DateTimeParser::parseDuration($this->DURATION));
- } elseif (!$this->DTSTART->hasTime()) {
- $effectiveEnd = clone $effectiveStart;
- $effectiveEnd->modify('+1 day');
- } else {
- $effectiveEnd = clone $effectiveStart;
- }
- return (
- ($start < $effectiveEnd) && ($end > $effectiveStart)
- );
- }
- /**
- * This method should return a list of default property values.
- *
- * @return array
- */
- protected function getDefaults() {
- return array(
- 'UID' => 'sabre-vobject-' . VObject\UUIDUtil::getUUID(),
- 'DTSTAMP' => date('Ymd\\THis\\Z'),
- );
- }
- /**
- * A simple list of validation rules.
- *
- * This is simply a list of properties, and how many times they either
- * must or must not appear.
- *
- * Possible values per property:
- * * 0 - Must not appear.
- * * 1 - Must appear exactly once.
- * * + - Must appear at least once.
- * * * - Can appear any number of times.
- * * ? - May appear, but not more than once.
- *
- * @var array
- */
- public function getValidationRules() {
- $hasMethod = isset($this->parent->METHOD);
- return array(
- 'UID' => 1,
- 'DTSTAMP' => 1,
- 'DTSTART' => $hasMethod?'?':'1',
- 'CLASS' => '?',
- 'CREATED' => '?',
- 'DESCRIPTION' => '?',
- 'GEO' => '?',
- 'LAST-MODIFIED' => '?',
- 'LOCATION' => '?',
- 'ORGANIZER' => '?',
- 'PRIORITY' => '?',
- 'SEQUENCE' => '?',
- 'STATUS' => '?',
- 'SUMMARY' => '?',
- 'TRANSP' => '?',
- 'URL' => '?',
- 'RECURRENCE-ID' => '?',
- 'RRULE' => '?',
- 'DTEND' => '?',
- 'DURATION' => '?',
- 'ATTACH' => '*',
- 'ATTENDEE' => '*',
- 'CATEGORIES' => '*',
- 'COMMENT' => '*',
- 'CONTACT' => '*',
- 'EXDATE' => '*',
- 'REQUEST-STATUS' => '*',
- 'RELATED-TO' => '*',
- 'RESOURCES' => '*',
- 'RDATE' => '*',
- );
- }
- }
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