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<?php
declare(strict_types=1);
/**
* Nextcloud - Social Support
*
* 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 2018, Maxence Lange <maxence@artificial-owl.com>
* @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\Social\Service;
use daita\MySmallPhpTools\Traits\TArrayTools;
use Exception;
use OCA\Social\Db\RequestQueueRequest;
use OCA\Social\Exceptions\EmptyQueueException;
use OCA\Social\Exceptions\NoHighPriorityRequestException;
use OCA\Social\Exceptions\QueueStatusException;
use OCA\Social\Model\ActivityPub\ACore;
use OCA\Social\Model\InstancePath;
use OCA\Social\Model\RequestQueue;
class QueueService {
use TArrayTools;
/** @var RequestQueueRequest */
private $requestQueueRequest;
/** @var ConfigService */
private $configService;
/** @var MiscService */
private $miscService;
/**
* QueueService constructor.
*
* @param RequestQueueRequest $requestQueueRequest
* @param ConfigService $configService
* @param MiscService $miscService
*/
public function __construct(
RequestQueueRequest $requestQueueRequest, ConfigService $configService,
MiscService $miscService
) {
$this->requestQueueRequest = $requestQueueRequest;
$this->configService = $configService;
$this->miscService = $miscService;
}
/**
* @param array $instancePaths
* @param ACore $item
* @param string $author
*
* @return string
* @throws Exception
*/
public function generateRequestQueue(array $instancePaths, ACore $item, string $author
): string {
$activity = json_encode($item, JSON_UNESCAPED_SLASHES);
$token = '';
$requests = [];
foreach ($instancePaths as $instancePath) {
$request = new RequestQueue($activity, $instancePath, $author);
if ($token === '') {
$token = $request->getToken();
} else {
$request->setToken($token);
}
$requests[] = $request;
}
$this->requestQueueRequest->multiple($requests);
return $token;
}
/**
* @param string $token
*
* @return RequestQueue
* @throws EmptyQueueException
* @throws NoHighPriorityRequestException
*/
public function getPriorityRequest(string $token): RequestQueue {
$requests = $this->requestQueueRequest->getFromToken($token);
if (sizeof($requests) === 0) {
throw new EmptyQueueException();
}
$request = $requests[0];
switch ($request->getPriority()) {
case InstancePath::PRIORITY_TOP:
return $request;
case InstancePath::PRIORITY_HIGH:
if (sizeof($requests) === 1) {
return $request;
}
$next = $requests[1];
if ($next->getStatus() < InstancePath::PRIORITY_HIGH) {
return $request;
}
break;
case InstancePath::PRIORITY_MEDIUM:
if (sizeof($requests) === 1) {
return $request;
}
break;
}
throw new NoHighPriorityRequestException();
}
/**
* @param int $total
*
* @return RequestQueue[]
*/
public function getRequestStandby(int &$total = 0): array {
$requests = $this->requestQueueRequest->getStandby();
$total = sizeof($requests);
$result = [];
foreach ($requests as $request) {
$delay = floor(pow($request->getTries(), 4) / 3);
if ($request->getLast() < (time() - $delay)) {
$result[] = $request;
}
}
return $result;
}
/**
* @param string $token
* @param int $status
*
* @return RequestQueue[]
*/
public function getRequestFromToken(string $token, int $status = -1): array {
if ($token === '') {
return [];
}
return $this->requestQueueRequest->getFromToken($token, $status);
}
/**
* @param RequestQueue $queue
*
* @throws QueueStatusException
*/
public function initRequest(RequestQueue $queue) {
$this->requestQueueRequest->setAsRunning($queue);
}
/**
* @param RequestQueue $queue
* @param bool $success
*
* @throws QueueStatusException
*/
public function endRequest(RequestQueue $queue, bool $success) {
if ($success === true) {
$this->requestQueueRequest->setAsSuccess($queue);
} else {
$this->requestQueueRequest->setAsFailure($queue);
}
}
/**
* @param RequestQueue $queue
*/
public function deleteRequest(RequestQueue $queue) {
$this->requestQueueRequest->delete($queue);
}
}
|
