Plugin.php

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<?php
 
namespace Sabre\CalDAV\Subscriptions;
 
use Sabre\DAV\INode;
use Sabre\DAV\PropFind;
use Sabre\DAV\Server;
use Sabre\DAV\ServerPlugin;
 
class Plugin extends ServerPlugin {
 
    function initialize(Server $server) {
 
        $server->resourceTypeMapping['Sabre\\CalDAV\\Subscriptions\\ISubscription'] =
            '{http://calendarserver.org/ns/}subscribed';
 
        $server->xml->elementMap['{http://calendarserver.org/ns/}source'] =
            'Sabre\\DAV\\Xml\\Property\\Href';
 
        $server->on('propFind', [$this, 'propFind'], 150);
 
    }
 
    function getFeatures() {
 
        return ['calendarserver-subscribed'];
 
    }
 
    function propFind(PropFind $propFind, INode $node) {
 
        // There's a bunch of properties that must appear as a self-closing
        // xml-element. This event handler ensures that this will be the case.
        $props = [
            '{http://calendarserver.org/ns/}subscribed-strip-alarms',
            '{http://calendarserver.org/ns/}subscribed-strip-attachments',
            '{http://calendarserver.org/ns/}subscribed-strip-todos',
        ];
 
        foreach ($props as $prop) {
 
            if ($propFind->getStatus($prop) === 200) {
                $propFind->set($prop, '', 200);
            }
 
        }
 
    }
 
    function getPluginName() {
 
        return 'subscriptions';
 
    }
 
    function getPluginInfo() {
 
        return [
            'name'        => $this->getPluginName(),
            'description' => 'This plugin allows users to store iCalendar subscriptions in their calendar-home.',
            'link'        => null,
        ];
 
    }
}