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<?php
/**
* @copyright Copyright (c) 2017 Vinzenz Rosenkranz <vinzenz.rosenkranz@gmail.com>
*
* @author René Gieling <github@dartcafe.de>
*
* @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\Polls\Controller;
use OCP\IRequest;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http\DataResponse;
use OCA\Polls\Exceptions\NoUpdatesException;
use OCA\Polls\Service\WatchService;
class WatchController extends Controller {
/** @var WatchService */
private $watchService;
use ResponseHandle;
public function __construct(
string $appName,
IRequest $request,
WatchService $watchService
) {
parent::__construct($appName, $request);
$this->watchService = $watchService;
}
/**
* Watch poll for updates
* @NoAdminRequired
* @NoCSRFRequired
*/
public function watchSinglePoll(int $pollId, ?int $offset = 0): DataResponse {
return $this->responseLong(function () use ($pollId, $offset) {
$start = time();
$timeout = 30;
while (empty($updates) && time() <= $start + $timeout) {
sleep(1);
$updates = $this->watchService->getUpdates($pollId, $offset ? $offset : $start);
}
if (empty($updates)) {
throw new NoUpdatesException;
}
return ['updates' => $updates];
});
}
}
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