131 lines
4.9 KiB
PHP
131 lines
4.9 KiB
PHP
<?php
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/**
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; under version 2
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* of the License (non-upgradable).
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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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright (c) 2017 (original work) Open Assessment Technologies SA;
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*
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*/
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namespace oat\ltiDeliveryProvider\model\actions;
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use oat\tao\model\actionQueue\AbstractQueuedAction;
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use oat\ltiDeliveryProvider\model\LTIDeliveryTool;
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use oat\ltiDeliveryProvider\controller\DeliveryTool;
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use oat\ltiDeliveryProvider\model\execution\LtiDeliveryExecutionService;
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use oat\taoDelivery\model\execution\DeliveryExecution;
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use oat\taoDelivery\model\execution\DeliveryServerService;
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use oat\taoLti\models\classes\LtiException;
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use oat\taoLti\models\classes\LtiService;
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use oat\taoDelivery\model\execution\Counter\DeliveryExecutionCounterInterface;
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use oat\taoDelivery\model\AttemptServiceInterface;
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/**
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* Class GetActiveDeliveryExecution
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* @package oat\ltiProctoring\model\actions
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* @author Aleh Hutnikau, <hutnikau@1pt.com>
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*/
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class GetActiveDeliveryExecution extends AbstractQueuedAction
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{
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protected $delivery;
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public function __construct(\core_kernel_classes_Resource $delivery = null)
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{
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$this->delivery = $delivery;
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}
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/**
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* @param $params
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* @return DeliveryExecution
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* @throws LtiException
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* @throws \common_exception_Error
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* @throws \common_exception_NotFound
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* @throws \common_exception_Unauthorized
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* @throws \oat\oatbox\service\exception\InvalidServiceManagerException
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* @throws \oat\taoLti\models\classes\LtiVariableMissingException
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*/
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public function __invoke($params)
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{
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$active = null;
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if ($this->delivery !== null) {
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$remoteLink = LtiService::singleton()->getLtiSession()->getLtiLinkResource();
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$user = \common_session_SessionManager::getSession()->getUser();
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$launchData = LtiService::singleton()->getLtiSession()->getLaunchData();
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/** @var LtiDeliveryExecutionService $deliveryExecutionService */
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$deliveryExecutionService = $this->getServiceManager()->get(LtiDeliveryExecutionService::SERVICE_ID);
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if ($launchData->hasVariable(DeliveryTool::PARAM_FORCE_RESTART) && $launchData->getVariable(DeliveryTool::PARAM_FORCE_RESTART) == 'true') {
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// ignore existing executions to force restart
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$executions = [];
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} else {
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$executions = $deliveryExecutionService->getLinkedDeliveryExecutions($this->delivery, $remoteLink, $user->getIdentifier());
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}
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/** @var AttemptServiceInterface $attemptService */
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$attemptService = $this->getServiceLocator()->get(AttemptServiceInterface::SERVICE_ID);
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$satesToExclude = $attemptService->getStatesToExclude();
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//filter sates which should not be treated as an attempt
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$executions = array_filter($executions, function ($execution) use ($satesToExclude) {
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return !in_array($execution->getState()->getUri(), $satesToExclude);
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});
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if (empty($executions)) {
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$active = $this->getTool()->startDelivery($this->delivery, $remoteLink, $user);
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} else {
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$resumable = $this->getServiceLocator()->get(DeliveryServerService::SERVICE_ID)->getResumableStates();
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foreach ($executions as $deliveryExecution) {
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if (in_array($deliveryExecution->getState()->getUri(), $resumable)) {
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$active = $deliveryExecution;
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break;
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}
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}
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}
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} else {
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$this->logNotice('Attempt to invoke action `' . $this->getId() . '` without delivery');
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}
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return $active;
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}
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/**
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* Needed for statistics
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*/
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public function getDelivery()
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{
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return $this->delivery;
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}
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/**
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* @return int
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* @throws \oat\oatbox\service\exception\InvalidServiceManagerException
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*/
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public function getNumberOfActiveActions()
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{
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/** @var LtiDeliveryExecutionService $deliveryExecutionService */
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$deliveryExecutionService = $this->getServiceManager()->get(DeliveryExecutionCounterInterface::SERVICE_ID);
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return $deliveryExecutionService->count(DeliveryExecution::STATE_ACTIVE);
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}
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/**
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* @return LTIDeliveryTool
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*/
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protected function getTool()
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{
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return $this->getServiceLocator()->get(LTIDeliveryTool::class);
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}
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}
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