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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OCA\DAV\CalDAV;
use Sabre\DAV\Exception as DavException;
class DefaultCalendarValidator {
/**
* Check if a given Calendar node is suitable to be used as the default calendar for scheduling.
*
* @throws DavException If the calendar is not suitable to be used as the default calendar
*/
public function validateScheduleDefaultCalendar(Calendar $calendar): void {
// Sanity checks for a calendar that should handle invitations
if ($calendar->isSubscription()
|| !$calendar->canWrite()
|| $calendar->isShared()
|| $calendar->isDeleted()) {
throw new DavException('Calendar is a subscription, not writable, shared or deleted');
}
// Calendar must support VEVENTs
$sCCS = '{urn:ietf:params:xml:ns:caldav}supported-calendar-component-set';
$calendarProperties = $calendar->getProperties([$sCCS]);
if (isset($calendarProperties[$sCCS])) {
$supportedComponents = $calendarProperties[$sCCS]->getValue();
} else {
$supportedComponents = ['VJOURNAL', 'VTODO', 'VEVENT'];
}
if (!in_array('VEVENT', $supportedComponents, true)) {
throw new DavException('Calendar does not support VEVENT components');
}
}
}
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