69 lines
2.3 KiB
PHP
69 lines
2.3 KiB
PHP
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<?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) 2016 (original work) Open Assessment Technologies SA ;
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*/
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namespace oat\taoProctoring\model\implementation;
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use oat\oatbox\service\ConfigurableService;
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use oat\taoDelivery\model\execution\DeliveryExecution;
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use oat\taoDelivery\model\execution\ServiceProxy;
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use oat\taoProctoring\model\TestSessionConnectivityStatusService as TestSessionConnectivityStatusServiceInterface;
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/**
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* Service to check whether test session is online.
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*
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* @author Aleh Hutnikau <hutnikau@1pt.com>
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* @package oat\taoProctoring
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*/
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class TestSessionConnectivityStatusService extends ConfigurableService implements TestSessionConnectivityStatusServiceInterface
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{
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const HAS_ONLINE_MODE = 'onlineMode';
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/**
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* Whether test session is online
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* @param string $sessionId test session identifier
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* @return bool
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*/
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public function isOnline($sessionId) {
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if(!$this->hasOnlineMode()){
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\common_Logger::w('Using of `oat\taoProctoring\model\implementation\TestSessionConnectivityStatusService::isOnline()` method which may give inaccurate result.');
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}
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$deliveryExecution = ServiceProxy::singleton()->getDeliveryExecution($sessionId);
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return $deliveryExecution->getState()->getUri() === DeliveryExecution::STATE_ACTIVE;
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}
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/**
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* @param $sessionId
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* @return int|null
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*/
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public function getLastOnline($sessionId)
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{
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if ($this->isOnline($sessionId)) {
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return microtime(true);
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}
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return null;
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}
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public function hasOnlineMode()
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{
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return ($this->hasOption(self::HAS_ONLINE_MODE)) ? $this->getOption(self::HAS_ONLINE_MODE) : false;
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}
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}
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