<?php
namespace Sabre\VObject\Component;
use DateTimeInterface;
use Sabre\VObject;
/**
* VTodo component.
*
* This component contains some additional functionality specific for VTODOs.
*
* @copyright Copyright (C) fruux GmbH (https://fruux.com/)
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
class VTodo 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 DateTimeInterface $start
* @param DateTimeInterface $end
*
* @return bool
*/
function isInTimeRange(DateTimeInterface $start, DateTimeInterface $end) {
$dtstart = isset($this->DTSTART) ? $this->DTSTART->getDateTime() : null;
$duration = isset($this->DURATION) ? VObject\DateTimeParser::parseDuration($this->DURATION) : null;
$due = isset($this->DUE) ? $this->DUE->getDateTime() : null;
$completed = isset($this->COMPLETED) ? $this->COMPLETED->getDateTime() : null;
$created = isset($this->CREATED) ? $this->CREATED->getDateTime() : null;
if ($dtstart) {
if ($duration) {
$effectiveEnd = $dtstart->add($duration);
return $start <= $effectiveEnd && $end > $dtstart;
} elseif ($due) {
return
($start < $due || $start <= $dtstart) &&
($end > $dtstart || $end >= $due);
} else {
return $start <= $dtstart && $end > $dtstart;
}
}
if ($due) {
return ($start < $due && $end >= $due);
}
if ($completed && $created) {
return
($start <= $created || $start <= $completed) &&
($end >= $created || $end >= $completed);
}
if ($completed) {
return ($start <= $completed && $end >= $completed);
}
if ($created) {
return ($end > $created);
}
return true;
}
/**
* 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
*/
function getValidationRules() {
return [
'UID' => 1,
'DTSTAMP' => 1,
'CLASS' => '?',
'COMPLETED' => '?',
'CREATED' => '?',
'DESCRIPTION' => '?',
'DTSTART' => '?',
'GEO' => '?',
'LAST-MODIFIED' => '?',
'LOCATION' => '?',
'ORGANIZER' => '?',
'PERCENT' => '?',
'PRIORITY' => '?',
'RECURRENCE-ID' => '?',
'SEQUENCE' => '?',
'STATUS' => '?',
'SUMMARY' => '?',
'URL' => '?',
'RRULE' => '?',
'DUE' => '?',
'DURATION' => '?',
'ATTACH' => '*',
'ATTENDEE' => '*',
'CATEGORIES' => '*',
'COMMENT' => '*',
'CONTACT' => '*',
'EXDATE' => '*',
'REQUEST-STATUS' => '*',
'RELATED-TO' => '*',
'RESOURCES' => '*',
'RDATE' => '*',
];
}
/**
* Validates the node for correctness.
*
* The following options are supported:
* Node::REPAIR - May attempt to automatically repair the problem.
*
* This method returns an array with detected problems.
* Every element has the following properties:
*
* * level - problem level.
* * message - A human-readable string describing the issue.
* * node - A reference to the problematic node.
*
* The level means:
* 1 - The issue was repaired (only happens if REPAIR was turned on)
* 2 - An inconsequential issue
* 3 - A severe issue.
*
* @param int $options
*
* @return array
*/
function validate($options = 0) {
$result = parent::validate($options);
if (isset($this->DUE) && isset($this->DTSTART)) {
$due = $this->DUE;
$dtStart = $this->DTSTART;
if ($due->getValueType() !== $dtStart->getValueType()) {
$result[] = [
'level' => 3,
'message' => 'The value type (DATE or DATE-TIME) must be identical for DUE and DTSTART',
'node' => $due,
];
} elseif ($due->getDateTime() < $dtStart->getDateTime()) {
$result[] = [
'level' => 3,
'message' => 'DUE must occur after DTSTART',
'node' => $due,
];
}
}
return $result;
}
/**
* This method should return a list of default property values.
*
* @return array
*/
protected function getDefaults() {
return [
'UID' => 'sabre-vobject-' . VObject\UUIDUtil::getUUID(),
'DTSTAMP' => date('Ymd\\THis\\Z'),
];
}
}
