110 lines
3.4 KiB
PHP
110 lines
3.4 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) 2019 (original work) Open Assessment Technologies SA ;
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*/
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/**
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* @author Péter Halász <peter@taotesting.com>
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*/
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namespace oat\taoQtiTest\models\runner;
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use oat\oatbox\service\ConfigurableService;
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use tao_models_classes_service_FileStorage;
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use taoQtiTest_models_classes_QtiTestService;
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class TestDefinitionSerializerService extends ConfigurableService
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{
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const SERVICE_ID = 'taoQtiTest/TestDefinitionSerializerService';
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/**
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* @param QtiRunnerServiceContext $serviceContext
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* @return array
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*/
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public function getSerializedTestDefinition(QtiRunnerServiceContext $serviceContext)
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{
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return $this->parseXmlToArray($this->getTestDefinitionXml($serviceContext));
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}
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/**
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* @param string $xml
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* @return array
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*/
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private function parseXmlToArray($xml)
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{
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$xml = simplexml_load_string($xml);
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$parsedXml = json_decode(json_encode($xml), true);
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return $this->setSubObjectToArray(
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$parsedXml,
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[
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taoQtiTest_models_classes_QtiTestService::XML_TEST_PART,
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taoQtiTest_models_classes_QtiTestService::XML_ASSESSMENT_SECTION,
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taoQtiTest_models_classes_QtiTestService::XML_ASSESSMENT_ITEM_REF,
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]
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);
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}
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/**
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* Changes recursively the value of the given sub-keys into array in the given object
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*
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* @param array $object
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* @param array $keys
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* @return array
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*/
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private function setSubObjectToArray($object, $keys)
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{
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$key = array_shift($keys);
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// if the object is an associative array, turn it into an indexed array
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if ($object[$key] !== array_values($object[$key])) {
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$object[$key] = [$object[$key]];
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}
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if (count($keys) > 0) {
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foreach ($object[$key] as $index => $subObject) {
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$object[$key][$index] = $this->setSubObjectToArray($subObject, $keys);
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}
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}
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return $object;
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}
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/**
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* @param QtiRunnerServiceContext $serviceContext
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* @return string
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*/
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private function getTestDefinitionXml(QtiRunnerServiceContext $serviceContext)
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{
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$privateDirectoryId = explode('|', $serviceContext->getTestCompilationUri())[0];
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$directory = $this->getFileStorageService()->getDirectoryById($privateDirectoryId);
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$path = $directory->getFile(taoQtiTest_models_classes_QtiTestService::QTI_TEST_DEFINITION_INDEX)->read();
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return $directory->getFile($path)->read();
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}
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/**
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* @return tao_models_classes_service_FileStorage
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*/
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private function getFileStorageService()
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{
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return $this->getServiceLocator()->get(\tao_models_classes_service_FileStorage::SERVICE_ID);
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}
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}
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