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by René
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created

WatchController::watchPoll()   A

Complexity

Conditions 4
Paths 1

Size

Total Lines 13
Code Lines 10

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
eloc 10
c 0
b 0
f 0
dl 0
loc 13
rs 9.9332
cc 4
nc 1
nop 2
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<?php
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/**
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 * @copyright Copyright (c) 2017 Vinzenz Rosenkranz <[email protected]>
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 *
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 * @author René Gieling <[email protected]>
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 *
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 * @license GNU AGPL version 3 or any later version
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 *
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 *  This program is free software: you can redistribute it and/or modify
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 *  it under the terms of the GNU Affero General Public License as
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 *  published by the Free Software Foundation, either version 3 of the
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 *  License, or (at your option) any later version.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU Affero General Public License for more details.
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 *
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 *  You should have received a copy of the GNU Affero General Public License
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 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 *
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 */
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namespace OCA\Polls\Controller;
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use OCP\IRequest;
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use OCP\AppFramework\Controller;
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use OCP\AppFramework\Http\DataResponse;
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use OCA\Polls\Exceptions\NoUpdatesException;
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use OCA\Polls\Service\WatchService;
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class WatchController extends Controller {
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	/** @var WatchService */
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	private $watchService;
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	use ResponseHandle;
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	public function __construct(
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		string $appName,
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		IRequest $request,
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		WatchService $watchService
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	) {
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		parent::__construct($appName, $request);
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		$this->watchService = $watchService;
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	}
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	/**
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	 * Watch poll for updates
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	 * @NoAdminRequired
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	 * @NoCSRFRequired
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	 */
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	public function watchPoll(int $pollId, ?int $offset): DataResponse {
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		return $this->responseLong(function () use ($pollId, $offset) {
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			$start = time();
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			$timeout = 30;
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			$offset = $offset ?? $start;
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			while (empty($updates) && time() <= $start + $timeout) {
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				sleep(1);
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				$updates = $this->watchService->getUpdates($pollId, $offset);
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			}
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			if (empty($updates)) {
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				throw new NoUpdatesException;
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			}
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			return ['updates' => $updates];
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		});
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	}
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}
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