tao-test/app/taoQtiTestPreviewer/models/QtiSmService.php

70 lines
2.5 KiB
PHP

<?php
/**
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; under version 2
* of the License (non-upgradable).
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright (c) 2019 (original work) Open Assessment Technologies SA;
*/
namespace oat\taoQtiTestPreviewer\models;
use oat\oatbox\service\ConfigurableService;
use OutOfBoundsException;
use OutOfRangeException;
use qtism\common\datatypes\files\FileManagerException;
use qtism\common\datatypes\files\FileSystemFileManager;
use qtism\runtime\common\Variable;
use taoQtiCommon_helpers_PciVariableFiller as PciVariableFiller;
use taoQtiCommon_helpers_Utils;
class QtiSmService extends ConfigurableService
{
/**
* Convert client-side data as QtiSm Runtime Variables
* @param PciVariableFiller $filler
* @param array $jsonPayload
* @return Variable[]
* @throws FileManagerException
*/
public function getQtiSmVariables($filler, $jsonPayload)
{
$variables = [];
foreach ($jsonPayload as $id => $response) {
try {
$var = $filler->fill($id, $response);
// Do not take into account QTI Files at preview time. Simply delete the created file.
if (taoQtiCommon_helpers_Utils::isQtiFile($var, false) === true) {
$fileManager = new FileSystemFileManager();
$fileManager->delete($var->getValue());
} else {
$variables[] = $var;
}
} catch (OutOfRangeException $e) {
// Variable value could not be converted, ignore it.
$this->logDebug(
sprintf('Client-side value for variable "%s" is ignored due to data malformation.', $id)
);
} catch (OutOfBoundsException $e) {
$this->logDebug(
sprintf('The variable with identifier "%s" is not declared in the item definition.', $id)
);
}
}
return $variables;
}
}