Current File : //data/www_bck/varak.net_bck/nextcloud.varak.net/apps/circles/lib/FederatedItems/ItemLock.php
<?php
declare(strict_types=1);
/**
* Circles - Bring cloud-users closer together.
*
* This file is licensed under the Affero General Public License version 3 or
* later. See the COPYING file.
*
* @author Maxence Lange <maxence@artificial-owl.com>
* @copyright 2017
* @license GNU AGPL version 3 or any later version
*
* 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 OCA\Circles\FederatedItems;
use OCA\Circles\Db\ShareLockRequest;
use OCA\Circles\Exceptions\FederatedShareNotFoundException;
use OCA\Circles\Exceptions\InvalidIdException;
use OCA\Circles\IFederatedItem;
use OCA\Circles\IFederatedItemDataRequestOnly;
use OCA\Circles\Model\Federated\FederatedEvent;
use OCA\Circles\Model\Federated\FederatedShare;
use OCA\Circles\Tools\Traits\TStringTools;
/**
* Class ItemLock
*
* @package OCA\Circles\FederatedItems
*/
class ItemLock implements
IFederatedItem,
IFederatedItemDataRequestOnly {
use TStringTools;
public const STATUS_LOCKED = 'locked';
public const STATUS_ALREADY_LOCKED = 'already_locked';
public const STATUS_INSTANCE_LOCKED = 'instance_locked';
/** @var ShareLockRequest */
private $shareLockRequest;
/**
* ItemLock constructor.
*
* @param ShareLockRequest $shareLockRequest
*/
public function __construct(ShareLockRequest $shareLockRequest) {
$this->shareLockRequest = $shareLockRequest;
}
/**
* create lock in db if the lock does not exist for this circle.
* will fail if the lock already exist for anothr instance, even for another circle
*
* @param FederatedEvent $event
*
* @throws InvalidIdException
* @throws FederatedShareNotFoundException
*/
public function verify(FederatedEvent $event): void {
$itemId = $event->getParams()->g('itemId');
$this->shareLockRequest->confirmValidId($itemId);
$status = '';
try {
$known = $this->shareLockRequest->getShare($itemId);
if ($known->getInstance() === $event->getSender()) {
$status = self::STATUS_ALREADY_LOCKED;
$known = $this->shareLockRequest->getShare($itemId, $event->getCircle()->getSingleId());
} else {
$status = self::STATUS_INSTANCE_LOCKED;
}
} catch (FederatedShareNotFoundException $e) {
$share = new FederatedShare();
$share->setItemId($itemId);
$share->setCircleId($event->getCircle()->getSingleId());
$share->setInstance($event->getSender());
$this->shareLockRequest->save($share);
$known = $this->shareLockRequest->getShare($itemId);
if ($status === '') {
$status = self::STATUS_LOCKED;
}
}
$known->setLockStatus($status);
$event->setOutcome(['federatedShare' => $known]);
}
/**
* @param FederatedEvent $event
*/
public function manage(FederatedEvent $event): void {
// $this->circleEventService->onSharedItemsSyncRequested($event);
//
// $event->setResult(new SimpleDataStore(['shares' => 'ok']));
}
/**
* @param FederatedEvent $event
* @param array $results
*/
public function result(FederatedEvent $event, array $results): void {
}
}
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