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Available.php
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Available.php
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<?php
namespace Sabre\VObject\Component;
use Sabre\VObject;
/**
* The Available sub-component
*
* This component adds functionality to a component, specific for AVAILABLE
* components.
*
* @copyright Copyright (C) 2011-2015 fruux GmbH (https://fruux.com/).
* @author Ivan Enderlin
* @license http://sabre.io/license/ Modified BSD License
*/
class Available extends VObject\Component {
/**
* 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 array(
'UID' => 1,
'DTSTART' => 1,
'DTSTAMP' => 1,
'DTEND' => '?',
'DURATION' => '?',
'CREATED' => '?',
'DESCRIPTION' => '?',
'LAST-MODIFIED' => '?',
'RECURRENCE-ID' => '?',
'RRULE' => '?',
'SUMMARY' => '?',
'CATEGORIES' => '*',
'COMMENT' => '*',
'CONTACT' => '*',
'EXDATE' => '*',
'RDATE' => '*',
'AVAILABLE' => '*',
);
}
/**
* Validates the node for correctness.
*
* The following options are supported:
* Node::REPAIR - May attempt to automatically repair the problem.
* Node::PROFILE_CARDDAV - Validate the vCard for CardDAV purposes.
* Node::PROFILE_CALDAV - Validate the iCalendar for CalDAV purposes.
*
* 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 - A warning.
* 3 - An error.
*
* @param int $options
* @return array
*/
function validate($options = 0) {
$result = parent::validate($options);
if (isset($this->DTEND) && isset($this->DURATION)) {
$result[] = array(
'level' => 3,
'message' => 'DTEND and DURATION cannot both be present',
'node' => $this
);
}
if (isset($this->DURATION) && !isset($this->DTSTART)) {
$result[] = array(
'level' => 3,
'message' => 'DURATION must be declared with a DTSTART.',
'node' => $this
);
}
return $result;
}
}

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