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UserCalendars.php
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UserCalendars.php
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<?php
/**
* SabreDAV UserCalendars derived class for the Kolab.
*
* @author Thomas Bruederli <bruederli@kolabsys.com>
*
* Copyright (C) 2013, Kolab Systems AG <contact@kolabsys.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
namespace Kolab\CalDAV;
use Sabre\DAV;
use Sabre\DAVACL;
use Sabre\CalDAV\Backend;
use Sabre\CalDAV\Schedule;
use Kolab\CalDAV\Calendar;
/**
* The UserCalenders class contains all calendars associated to one user
*
*/
class UserCalendars extends \Sabre\CalDAV\UserCalendars implements DAV\IExtendedCollection, DAVACL\IACL
{
private $outbox;
/**
* Returns a list of calendars
*
* @return array
*/
public function getChildren()
{
$calendars = $this->caldavBackend->getCalendarsForUser($this->principalInfo['uri']);
$objs = array();
foreach ($calendars as $calendar) {
// TODO: (later) add sharing support by implenting this all
if ($this->caldavBackend instanceof Backend\SharingSupport) {
if (isset($calendar['{http://calendarserver.org/ns/}shared-url'])) {
$objs[] = new SharedCalendar($this->caldavBackend, $calendar);
}
else {
$objs[] = new ShareableCalendar($this->caldavBackend, $calendar);
}
}
else {
$objs[] = new Calendar($this->caldavBackend, $calendar);
}
}
// add support for scheduling AKA free/busy
$objs[] = new Schedule\Outbox($this->principalInfo['uri']);
// TODO: add notification support (check with clients first, if anybody supports it)
if ($this->caldavBackend instanceof Backend\NotificationSupport) {
$objs[] = new Notifications\Collection($this->caldavBackend, $this->principalInfo['uri']);
}
return $objs;
}
/**
* Returns a single calendar, by name
*
* @param string $name
* @return Calendar
*/
public function getChild($name)
{
if ($name == 'outbox') {
return new Schedule\Outbox($this->principalInfo['uri']);
}
if ($calendar = $this->caldavBackend->getCalendarByName($name)) {
$calendar['principaluri'] = $this->principalInfo['uri'];
return new Calendar($this->caldavBackend, $calendar);
}
throw new DAV\Exception\NotFound('Calendar with name \'' . $name . '\' could not be found');
}
/**
* Checks if a calendar exists.
*
* @param string $name
* @return bool
*/
public function childExists($name)
{
if ($this->caldavBackend->getCalendarByName($name)) {
return true;
}
return false;
}
/**
* Returns a list of ACE's for this node.
*
* Each ACE has the following properties:
* - 'privilege', a string such as {DAV:}read or {DAV:}write. These are currently the only supported privileges
* - 'principal', a url to the principal who owns the node
* - 'protected' (optional), indicating that this ACE is not allowed to be updated.
*
* @return array
*/
public function getACL()
{
// define rights for the user's calendar root (which is in fact INBOX)
return array(
array(
'privilege' => '{DAV:}read',
'principal' => $this->principalInfo['uri'],
'protected' => true,
),
array(
'privilege' => '{DAV:}write',
'principal' => $this->principalInfo['uri'],
'protected' => true,
),
/* TODO: implement sharing support
array(
'privilege' => '{DAV:}read',
'principal' => $this->principalInfo['uri'] . '/calendar-proxy-write',
'protected' => true,
),
array(
'privilege' => '{DAV:}write',
'principal' => $this->principalInfo['uri'] . '/calendar-proxy-write',
'protected' => true,
),
array(
'privilege' => '{DAV:}read',
'principal' => $this->principalInfo['uri'] . '/calendar-proxy-read',
'protected' => true,
),
*/
);
}
/**
* Updates the ACL
*
* This method will receive a list of new ACE's.
*
* @param array $acl
* @return void
*/
public function setACL(array $acl)
{
// TODO: implement this
throw new DAV\Exception\MethodNotAllowed('Changing ACL is not yet supported');
}
}

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