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