70 lines
2.5 KiB
PHP
70 lines
2.5 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) 2019 (original work) Open Assessment Technologies SA;
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*/
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namespace oat\taoQtiTestPreviewer\models;
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use oat\oatbox\service\ConfigurableService;
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use OutOfBoundsException;
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use OutOfRangeException;
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use qtism\common\datatypes\files\FileManagerException;
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use qtism\common\datatypes\files\FileSystemFileManager;
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use qtism\runtime\common\Variable;
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use taoQtiCommon_helpers_PciVariableFiller as PciVariableFiller;
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use taoQtiCommon_helpers_Utils;
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class QtiSmService extends ConfigurableService
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{
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/**
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* Convert client-side data as QtiSm Runtime Variables
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* @param PciVariableFiller $filler
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* @param array $jsonPayload
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* @return Variable[]
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* @throws FileManagerException
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*/
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public function getQtiSmVariables($filler, $jsonPayload)
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{
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$variables = [];
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foreach ($jsonPayload as $id => $response) {
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try {
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$var = $filler->fill($id, $response);
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// Do not take into account QTI Files at preview time. Simply delete the created file.
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if (taoQtiCommon_helpers_Utils::isQtiFile($var, false) === true) {
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$fileManager = new FileSystemFileManager();
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$fileManager->delete($var->getValue());
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} else {
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$variables[] = $var;
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}
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} catch (OutOfRangeException $e) {
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// Variable value could not be converted, ignore it.
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$this->logDebug(
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sprintf('Client-side value for variable "%s" is ignored due to data malformation.', $id)
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);
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} catch (OutOfBoundsException $e) {
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$this->logDebug(
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sprintf('The variable with identifier "%s" is not declared in the item definition.', $id)
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);
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}
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}
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return $variables;
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}
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}
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