1101 lines
43 KiB
PHP
1101 lines
43 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) 2013-2017 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT);
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*
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*/
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use oat\taoQtiTest\models\runner\RunnerService;
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use qtism\runtime\rendering\markup\xhtml\XhtmlRenderingEngine;
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use qtism\data\storage\xml\XmlStorageException;
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use qtism\runtime\rendering\markup\MarkupPostRenderer;
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use qtism\runtime\rendering\css\CssScoper;
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use qtism\data\QtiComponentIterator;
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use qtism\data\storage\xml\XmlDocument;
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use qtism\data\storage\xml\XmlCompactDocument;
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use qtism\data\AssessmentTest;
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use qtism\data\ExtendedAssessmentSection;
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use qtism\data\ExtendedAssessmentItemRef;
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use qtism\data\AssessmentItemRef;
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use qtism\data\content\RubricBlock;
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use qtism\data\content\StylesheetCollection;
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use qtism\common\utils\Url;
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use oat\taoQtiItem\model\qti\Service;
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use League\Flysystem\FileExistsException;
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use oat\oatbox\filesystem\Directory;
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use oat\taoQtiTest\models\TestCategoryRulesService;
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use oat\taoQtiTest\models\QtiTestCompilerIndex;
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use oat\taoQtiTest\models\cat\CatService;
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use oat\taoQtiTest\models\CompilationDataService;
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use oat\taoQtiItem\model\QtiJsonItemCompiler;
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use oat\taoDelivery\model\container\delivery\DeliveryContainerRegistry;
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use oat\taoDelivery\model\container\delivery\ContainerProvider;
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use oat\tao\model\metadata\compiler\ResourceJsonMetadataCompiler;
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/**
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* A Test Compiler implementation that compiles a QTI Test and related QTI Items.
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*
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* @author Jérôme Bogaerts <jerome@taotesting.com>
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* @package taoQtiTest
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*/
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class taoQtiTest_models_classes_QtiTestCompiler extends taoTests_models_classes_TestCompiler implements ContainerProvider
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{
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const ADAPTIVE_SECTION_MAP_FILENAME = 'adaptive-section-map.json';
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const ADAPTIVE_PLACEHOLDER_CATEGORY = 'x-tao-qti-adaptive-placeholder';
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const COMPILATION_INFO_FILENAME = 'compilation-info.json';
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/**
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* The list of mime types of files that are accepted to be put
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* into the public compilation directory.
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*
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* @var array
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*/
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private static $publicMimeTypes = ['text/css',
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'image/png',
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'image/jpeg',
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'image/gif',
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'text/html',
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'application/x-shockwave-flash',
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'video/x-flv',
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'image/bmp',
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'image/svg+xml',
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'audio/mpeg',
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'audio/ogg',
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'video/quicktime',
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'video/webm',
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'video/ogg',
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'application/pdf',
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'application/x-font-woff',
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'application/vnd.ms-fontobject',
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'application/x-font-ttf',
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'image/svg+xml',
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'image/svg+xml'];
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/**
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* The public compilation directory.
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*
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* @var tao_models_classes_service_StorageDirectory
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*/
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private $publicDirectory = null;
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/**
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* The private compilation directory.
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*
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* @var tao_models_classes_service_StorageDirectory
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*/
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private $privateDirectory = null;
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/**
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* The rendering engine that will be used to create rubric block templates.
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*
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* @var XhtmlRenderingEngine
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*/
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private $renderingEngine = null;
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/**
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* The Post renderer to be used in template oriented rendering.
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*
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* @var MarkupPostRenderer
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*/
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private $markupPostRenderer = null;
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/**
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* The CSS Scoper will scope CSS files to their related rubric block.
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*
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* @var CssScoper
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*/
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private $cssScoper = null;
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/**
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* An additional path to be used when test definitions are located in sub-directories.
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*
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* @var string
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*/
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private $extraPath;
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private $compilationInfo = [];
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/**
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* Whenever or not rubric block css should be scoped
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* @var boolean
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*/
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private $settingCssScope = true;
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/**
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* Whenever or not the new client test runner should be used
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* @var boolean
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*/
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private $settingClientContainer = true;
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/**
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* Get the public compilation directory.
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*
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* @return tao_models_classes_service_StorageDirectory
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*/
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protected function getPublicDirectory()
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{
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return $this->publicDirectory;
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}
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/**
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* Set the public compilation directory.
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*
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* @param tao_models_classes_service_StorageDirectory $directory
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*/
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protected function setPublicDirectory(tao_models_classes_service_StorageDirectory $directory)
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{
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$this->publicDirectory = $directory;
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}
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/**
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* Get the private compilation directory.
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*
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* @return tao_models_classes_service_StorageDirectory
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*/
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protected function getPrivateDirectory()
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{
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return $this->privateDirectory;
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}
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/**
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* Set the private compilation directory.
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*
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* @param tao_models_classes_service_StorageDirectory $directory
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*/
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protected function setPrivateDirectory(tao_models_classes_service_StorageDirectory $directory)
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{
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$this->privateDirectory = $directory;
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}
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/**
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* Get the rendering engine that will be used to render rubric block templates.
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*
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* @return XhtmlRenderingEngine
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*/
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protected function getRenderingEngine()
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{
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return $this->renderingEngine;
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}
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/**
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* Set the rendering engine that will be used to render rubric block templates.
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*
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* @param XhtmlRenderingEngine $renderingEngine
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*/
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protected function setRenderingEngine(XhtmlRenderingEngine $renderingEngine)
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{
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$this->renderingEngine = $renderingEngine;
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}
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/**
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* Get the markup post renderer to be used after template oriented rendering.
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*
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* @return MarkupPostRenderer
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*/
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protected function getMarkupPostRenderer()
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{
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return $this->markupPostRenderer;
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}
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/**
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* Set the markup post renderer to be used after template oriented rendering.
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*
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* @param MarkupPostRenderer $markupPostRenderer
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*/
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protected function setMarkupPostRenderer(MarkupPostRenderer $markupPostRenderer)
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{
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$this->markupPostRenderer = $markupPostRenderer;
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}
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/**
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* Get the CSS Scoper tool that will scope CSS files to their related rubric block.
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*
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* @return CssScoper
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*/
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protected function getCssScoper()
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{
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return $this->cssScoper;
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}
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/**
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* Set the CSS Scoper tool that will scope CSS files to their related rubric block.
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*
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* @param CssScoper $cssScoper
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*/
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protected function setCssScoper(CssScoper $cssScoper)
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{
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$this->cssScoper = $cssScoper;
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}
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/**
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* Get the extra path to be used when test definition is located
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* in sub-directories.
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*
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* @return string
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*/
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protected function getExtraPath()
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{
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return $this->extraPath;
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}
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/**
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* Set the extra path to be used when test definition is lovated in sub-directories.
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*
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* @param string $extraPath
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*/
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protected function setExtraPath($extraPath)
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{
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$this->extraPath = $extraPath;
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}
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/**
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* Initialize the compilation by:
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*
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* * 1. Spawning public and private compilation directoryies.
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* * 2. Instantiating appropriate rendering engine and CSS utilities.
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*
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* for the next compilation process.
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*/
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protected function initCompilation()
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{
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$ds = DIRECTORY_SEPARATOR;
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// Initialize public and private compilation directories.
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$this->setPrivateDirectory($this->spawnPrivateDirectory());
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$this->setPublicDirectory($this->spawnPublicDirectory());
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// Extra path.
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$testService = taoQtiTest_models_classes_QtiTestService::singleton();
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$testDefinitionDir = dirname($testService->getRelTestPath($this->getResource()));
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$this->setExtraPath($testDefinitionDir);
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// Initialize rendering engine.
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$renderingEngine = new XhtmlRenderingEngine();
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$renderingEngine->setStylesheetPolicy(XhtmlRenderingEngine::STYLESHEET_SEPARATE);
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$renderingEngine->setXmlBasePolicy(XhtmlRenderingEngine::XMLBASE_PROCESS);
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$renderingEngine->setFeedbackShowHidePolicy(XhtmlRenderingEngine::TEMPLATE_ORIENTED);
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$renderingEngine->setViewPolicy(XhtmlRenderingEngine::TEMPLATE_ORIENTED);
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$renderingEngine->setPrintedVariablePolicy(XhtmlRenderingEngine::TEMPLATE_ORIENTED);
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$renderingEngine->setStateName(taoQtiTest_models_classes_QtiTestService::TEST_RENDERING_STATE_NAME);
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$renderingEngine->setRootBase(taoQtiTest_models_classes_QtiTestService::TEST_PLACEHOLDER_BASE_URI . rtrim($this->getExtraPath(), $ds));
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$renderingEngine->setViewsName(taoQtiTest_models_classes_QtiTestService::TEST_VIEWS_NAME);
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$this->setRenderingEngine($renderingEngine);
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// Initialize CSS Scoper.
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$this->setCssScoper(new CssScoper());
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// Initialize Post Markup Renderer.
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$this->setMarkupPostRenderer(new MarkupPostRenderer(true, true, true));
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// Initialize the index that will contains info about items
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$this->setContext(new QtiTestCompilerIndex());
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}
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/**
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* Compile a QTI Test and the related QTI Items.
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*
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* The compilation process occurs as follows:
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*
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* * 1. The resources composing the test are copied into the private compilation directory.
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* * 2. The test definition is packed (test and items put together in a single definition).
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* * 3. The items composing the test are compiled.
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* * 4. The rubric blocks are rendered into PHP templates.
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* * 5. The test definition is compiled into PHP source code for maximum performance.
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* * 6. The resources composing the test that have to be accessed at delivery time are compied into the public compilation directory.
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* * 7. The Service Call definition enabling TAO to run the compiled test is built.
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*
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* @return tao_models_classes_service_ServiceCall A ServiceCall object that represent the way to call the newly compiled test.
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* @throws taoQtiTest_models_classes_QtiTestCompilationFailedException If an error occurs during the compilation.
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*/
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public function compile()
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{
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$report = new common_report_Report(common_report_Report::TYPE_INFO);
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try {
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// 0. Initialize compilation (compilation directories, renderers, ...).
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$this->initCompilation();
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// 1. Copy the resources composing the test into the private complilation directory.
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$this->copyPrivateResources();
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// 2. Compact the test definition itself.
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$compiledDoc = $this->compactTest();
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// 3. Compile the items of the test.
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$itemReport = $this->compileItems($compiledDoc);
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$report->add($itemReport);
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if ($itemReport->getType() != common_report_Report::TYPE_SUCCESS) {
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common_Logger::e($report->getMessage(), $report->getErrors());
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$msg = 'Failed item compilation.';
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$code = taoQtiTest_models_classes_QtiTestCompilationFailedException::ITEM_COMPILATION;
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throw new taoQtiTest_models_classes_QtiTestCompilationFailedException($msg, $this->getResource(), $code);
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}
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// 4. Explode the rubric blocks in the test into rubric block refs.
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$this->explodeRubricBlocks($compiledDoc);
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// 5. Update test definition with additional runtime info.
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$assessmentTest = $compiledDoc->getDocumentComponent();
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//$this->updateTestDefinition($assessmentTest);
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// 6. Compile rubricBlocks and serialize on disk.
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$this->compileRubricBlocks($assessmentTest);
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// 7. Copy the needed files into the public directory.
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$this->copyPublicResources();
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// 8. Compile adaptive components of the test.
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$this->compileAdaptive($assessmentTest);
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// 9. Compile the test definition into PHP source code and put it
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// into the private directory.
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$this->compileTest($assessmentTest);
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// 9.1. Compile test meta data into JSON file.
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$this->compileTestMetadata($this->getResource());
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// 10. Compile the test meta data into PHP array source code and put it
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// into the private directory.
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$this->compileMeta($assessmentTest);
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// 11. Compile the test index in JSON content and put it into the private directory.
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$this->compileIndex();
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// 12. Build the service call.
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$serviceCall = $this->buildServiceCall();
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// 13. Record some compilation info.
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$this->buildCompilationInfo();
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common_Logger::t("QTI Test successfully compiled.");
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$report->setType(common_report_Report::TYPE_SUCCESS);
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$report->setMessage(__('QTI Test "%s" successfully published.', $this->getResource()->getLabel()));
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$report->setData($serviceCall);
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} catch (XmlStorageException $e) {
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$report = $this->prepareXmlStorageExceptionReport($e, $report);
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} catch (Exception $e) {
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common_Logger::e($e->getMessage());
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// All exception that were not catched in the compilation steps
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// above have a last chance here.
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$report->setType(common_report_Report::TYPE_ERROR);
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$report->setMessage(__('QTI Test "%s" publishing failed.', $this->getResource()->getLabel()));
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}
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// Reset time outs to initial value.
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helpers_TimeOutHelper::reset();
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return $report;
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}
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/**
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* @param XmlStorageException $e
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* @param common_report_Report $report
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* @return common_report_Report
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* @throws common_exception_Error
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*/
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private function prepareXmlStorageExceptionReport(XmlStorageException $e, common_report_Report $report)
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{
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$details[] = $e->getMessage();
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$subReport = new common_report_Report(common_report_Report::TYPE_ERROR, __('The QTI Test XML or one of its dependencies is malformed or empty.'));
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$itemReport = new common_report_Report(common_report_Report::TYPE_ERROR, $e->getMessage());
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while (($previous = $e->getPrevious()) != null) {
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$details[] = $previous->getMessage();
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$e = $e->getPrevious();
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}
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if (method_exists($e, 'getErrors')) {
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/** @var LibXMLError $error */
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foreach ($e->getErrors() as $error) {
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$itemReport->add(new common_report_Report(common_report_Report::TYPE_ERROR, $error->message));
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}
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} else {
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$itemReport->add(new common_report_Report(common_report_Report::TYPE_ERROR, $e->getMessage()));
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}
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$subReport->add($itemReport);
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common_Logger::e(implode("\n", $details));
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$report->add($subReport);
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||
|
$report->setType(common_report_Report::TYPE_ERROR);
|
||
|
$report->setMessage(__('QTI Test "%s" publishing failed.', $this->getResource()->getLabel()));
|
||
|
return $report;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* {@inheritDoc}
|
||
|
* @see \oat\taoDelivery\model\container\delivery\ContainerProvider::getContainer()
|
||
|
*/
|
||
|
public function getContainer()
|
||
|
{
|
||
|
$registry = DeliveryContainerRegistry::getRegistry();
|
||
|
$registry->setServiceLocator($this->getServiceLocator());
|
||
|
if ($this->useClientTestRunner()) {
|
||
|
// client container
|
||
|
$container = $registry->getDeliveryContainer('qtiTest', [
|
||
|
'source' => $this->getResource()->getUri(),
|
||
|
'private' => $this->getPrivateDirectory()->getId(),
|
||
|
'public' => $this->getPublicDirectory()->getId()
|
||
|
]);
|
||
|
} else {
|
||
|
$serviceCall = $this->buildServiceCall();
|
||
|
$container = $registry->getDeliveryContainer('service', $serviceCall);
|
||
|
}
|
||
|
return $container;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Compact the test and items in a single QTI-XML Compact Document.
|
||
|
*
|
||
|
* @return XmlCompactDocument.
|
||
|
*/
|
||
|
protected function compactTest()
|
||
|
{
|
||
|
$testService = taoQtiTest_models_classes_QtiTestService::singleton();
|
||
|
$test = $this->getResource();
|
||
|
|
||
|
common_Logger::t('Compacting QTI test ' . $test->getLabel() . '...');
|
||
|
|
||
|
$resolver = new taoQtiTest_helpers_ItemResolver(Service::singleton());
|
||
|
$originalDoc = $testService->getDoc($test);
|
||
|
|
||
|
$compiledDoc = XmlCompactDocument::createFromXmlAssessmentTestDocument($originalDoc, $resolver, $resolver);
|
||
|
common_Logger::t("QTI Test XML transformed in a compact version.");
|
||
|
|
||
|
return $compiledDoc;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Compile the items referended by $compactDoc.
|
||
|
*
|
||
|
* @param XmlCompactDocument $compactDoc An XmlCompactDocument object referencing the items of the test.
|
||
|
* @throws taoQtiTest_models_classes_QtiTestCompilationFailedException If the test does not refer to at least one item.
|
||
|
* @return common_report_Report
|
||
|
*/
|
||
|
protected function compileItems(XmlCompactDocument $compactDoc)
|
||
|
{
|
||
|
$report = new common_report_Report(common_report_Report::TYPE_SUCCESS, __('Items Compilation'));
|
||
|
$iterator = new QtiComponentIterator($compactDoc->getDocumentComponent(), ['assessmentItemRef']);
|
||
|
$itemCount = 0;
|
||
|
foreach ($iterator as $assessmentItemRef) {
|
||
|
// Each item could take some time to be compiled, making the request to timeout.
|
||
|
helpers_TimeOutHelper::setTimeOutLimit(helpers_TimeOutHelper::SHORT);
|
||
|
$subReport = $this->useClientTestRunner()
|
||
|
? $this->compileJsonItem($assessmentItemRef)
|
||
|
: $this->legacyCompileItem($assessmentItemRef);
|
||
|
$report->add($subReport);
|
||
|
if ($subReport->getType() != common_report_Report::TYPE_SUCCESS) {
|
||
|
$report->setType(common_report_Report::TYPE_ERROR);
|
||
|
}
|
||
|
// Count the item even if it fails to avoid false "no item" error.
|
||
|
$itemCount++;
|
||
|
common_Logger::t("QTI Item successfully compiled and registered as a service call in the QTI Test Definition.");
|
||
|
}
|
||
|
|
||
|
if ($itemCount === 0) {
|
||
|
$report->setType(common_report_Report::TYPE_ERROR);
|
||
|
$report->setMessage(__("A QTI Test must contain at least one QTI Item to be compiled. None found."));
|
||
|
}
|
||
|
return $report;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
*
|
||
|
* @param AssessmentItemRef $assessmentItemRef
|
||
|
* @return common_report_Report
|
||
|
*/
|
||
|
protected function legacyCompileItem(AssessmentItemRef &$assessmentItemRef)
|
||
|
{
|
||
|
$item = new core_kernel_classes_Resource($assessmentItemRef->getHref());
|
||
|
$report = $this->subCompile($item);
|
||
|
if ($report->getType() == common_report_Report::TYPE_SUCCESS) {
|
||
|
$itemService = $report->getdata();
|
||
|
$inputValues = tao_models_classes_service_ServiceCallHelper::getInputValues($itemService, []);
|
||
|
$assessmentItemRef->setHref($inputValues['itemUri'] . '|' . $inputValues['itemPath'] . '|' . $inputValues['itemDataPath']);
|
||
|
|
||
|
// Ask for item ref information compilation for fast later usage.
|
||
|
$this->compileAssessmentItemRefHrefIndex($assessmentItemRef);
|
||
|
}
|
||
|
return $report;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
*
|
||
|
* @param AssessmentItemRef $item
|
||
|
* @return common_report_Report
|
||
|
*/
|
||
|
protected function compileJsonItem(AssessmentItemRef &$assessmentItemRef)
|
||
|
{
|
||
|
$jsonCompiler = new QtiJsonItemCompiler(
|
||
|
new core_kernel_classes_Resource($assessmentItemRef->getHref()),
|
||
|
$this->getStorage()
|
||
|
);
|
||
|
$jsonCompiler->setServiceLocator($this->getServiceLocator());
|
||
|
$jsonCompiler->setContext($this->getContext());
|
||
|
$report = $jsonCompiler->compileJson();
|
||
|
if ($report->getType() == common_report_Report::TYPE_SUCCESS) {
|
||
|
// store $itemUri, $publicDirId, $privateDirId in a string
|
||
|
$assessmentItemRef->setHref(implode('|', $report->getdata()));
|
||
|
$this->compileAssessmentItemRefHrefIndex($assessmentItemRef);
|
||
|
}
|
||
|
return $report;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Explode the rubric blocks of the test definition into separate QTI-XML files and
|
||
|
* remove the compact XML document from the file system (useless for
|
||
|
* the rest of the compilation process).
|
||
|
*
|
||
|
* @param XmlCompactDocument $compiledDoc
|
||
|
*/
|
||
|
protected function explodeRubricBlocks(XmlCompactDocument $compiledDoc)
|
||
|
{
|
||
|
common_Logger::t("Exploding QTI rubricBlocks...");
|
||
|
|
||
|
$privateDir = $this->getPrivateDirectory();
|
||
|
$explodedRubricBlocks = $compiledDoc->explodeRubricBlocks();
|
||
|
|
||
|
foreach ($explodedRubricBlocks as $href => $rubricBlock) {
|
||
|
$doc = new XmlDocument();
|
||
|
$doc->setDocumentComponent($rubricBlock);
|
||
|
|
||
|
$data = $doc->saveToString();
|
||
|
$privateDir->write($href, $data);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Update the test definition with additional data, such as TAO specific
|
||
|
* rules and variables.
|
||
|
*
|
||
|
* @param AssessmentTest $assessmentTest
|
||
|
*/
|
||
|
protected function updateTestDefinition(AssessmentTest $assessmentTest)
|
||
|
{
|
||
|
// Call TestCategoryRulesService to generate additional rules if enabled.
|
||
|
$config = $this->getTaoQtiTestExtension()->getConfig('TestCompiler');
|
||
|
if (isset($config['enable-category-rules-generation']) && $config['enable-category-rules-generation'] === true) {
|
||
|
common_Logger::t('Automatic Category Rules Generation will occur...');
|
||
|
$testCategoryRulesService = $this->getServiceLocator()->get(TestCategoryRulesService::SERVICE_ID);
|
||
|
$testCategoryRulesService->apply($assessmentTest);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Copy the resources (e.g. images) of the test to the private compilation directory.
|
||
|
*/
|
||
|
protected function copyPrivateResources()
|
||
|
{
|
||
|
$testService = taoQtiTest_models_classes_QtiTestService::singleton();
|
||
|
$testDefinitionDir = $testService->getQtiTestDir($this->getResource());
|
||
|
|
||
|
$privateDir = $this->getPrivateDirectory();
|
||
|
$iterator = $testDefinitionDir->getFlyIterator(Directory::ITERATOR_RECURSIVE | Directory::ITERATOR_FILE);
|
||
|
foreach ($iterator as $object) {
|
||
|
$relPath = $testDefinitionDir->getRelPath($object);
|
||
|
$privateDir->getFile($relPath)->write($object->readStream());
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Build the Service Call definition that makes TAO able to run the compiled test
|
||
|
* later on at delivery time.
|
||
|
*
|
||
|
* @return tao_models_classes_service_ServiceCall
|
||
|
*/
|
||
|
protected function buildServiceCall()
|
||
|
{
|
||
|
$service = new tao_models_classes_service_ServiceCall(new core_kernel_classes_Resource(RunnerService::INSTANCE_TEST_RUNNER_SERVICE));
|
||
|
$param = new tao_models_classes_service_ConstantParameter(
|
||
|
// Test Definition URI passed to the QtiTestRunner service.
|
||
|
new core_kernel_classes_Resource(taoQtiTest_models_classes_QtiTestService::INSTANCE_FORMAL_PARAM_TEST_DEFINITION),
|
||
|
$this->getResource()
|
||
|
);
|
||
|
$service->addInParameter($param);
|
||
|
|
||
|
$param = new tao_models_classes_service_ConstantParameter(
|
||
|
// Test Compilation URI passed to the QtiTestRunner service.
|
||
|
new core_kernel_classes_Resource(taoQtiTest_models_classes_QtiTestService::INSTANCE_FORMAL_PARAM_TEST_COMPILATION),
|
||
|
$this->getPrivateDirectory()->getId() . '|' . $this->getPublicDirectory()->getId()
|
||
|
);
|
||
|
$service->addInParameter($param);
|
||
|
|
||
|
return $service;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Compile the RubricBlocRefs' contents into a separate rubric block PHP template.
|
||
|
*
|
||
|
* @param AssessmentTest $assessmentTest The AssessmentTest object you want to compile the rubrickBlocks.
|
||
|
*/
|
||
|
protected function compileRubricBlocks(AssessmentTest $assessmentTest)
|
||
|
{
|
||
|
common_Logger::t("Compiling QTI rubricBlocks...");
|
||
|
|
||
|
$rubricBlockRefs = $assessmentTest->getComponentsByClassName('rubricBlockRef');
|
||
|
$testService = taoQtiTest_models_classes_QtiTestService::singleton();
|
||
|
$sourceDir = $testService->getQtiTestDir($this->getResource());
|
||
|
|
||
|
foreach ($rubricBlockRefs as $rubricRef) {
|
||
|
$rubricRefHref = $rubricRef->getHref();
|
||
|
$cssScoper = $this->getCssScoper();
|
||
|
$renderingEngine = $this->getRenderingEngine();
|
||
|
$markupPostRenderer = $this->getMarkupPostRenderer();
|
||
|
$publicCompiledDocDir = $this->getPublicDirectory();
|
||
|
$privateCompiledDocDir = $this->getPrivateDirectory();
|
||
|
|
||
|
// -- loading...
|
||
|
common_Logger::t("Loading rubricBlock '" . $rubricRefHref . "'...");
|
||
|
|
||
|
$rubricDoc = new XmlDocument();
|
||
|
$rubricDoc->loadFromString($this->getPrivateDirectory()->read($rubricRefHref));
|
||
|
|
||
|
common_Logger::t("rubricBlock '" . $rubricRefHref . "' successfully loaded.");
|
||
|
|
||
|
// -- rendering...
|
||
|
common_Logger::t("Rendering rubricBlock '" . $rubricRefHref . "'...");
|
||
|
|
||
|
$pathinfo = pathinfo($rubricRefHref);
|
||
|
$renderingFile = $pathinfo['filename'] . '.php';
|
||
|
|
||
|
$rubric = $rubricDoc->getDocumentComponent();
|
||
|
$rubricStylesheets = $rubric->getStylesheets();
|
||
|
$stylesheets = new StylesheetCollection();
|
||
|
// In any case, include the base QTI Stylesheet.
|
||
|
$stylesheets->merge($rubricStylesheets);
|
||
|
$rubric->setStylesheets($stylesheets);
|
||
|
|
||
|
// -- If the rubricBlock has no id, give it a auto-generated one in order
|
||
|
// to be sure that CSS rescoping procedure works fine (it needs at least an id
|
||
|
// to target its scoping).
|
||
|
if ($rubric->hasId() === false) {
|
||
|
// Prepend 'tao' to the generated id because the CSS
|
||
|
// ident token must begin by -|[a-zA-Z]
|
||
|
$rubric->setId('tao' . uniqid());
|
||
|
}
|
||
|
|
||
|
// -- Copy eventual remote resources of the rubricBlock.
|
||
|
$this->copyRemoteResources($rubric);
|
||
|
|
||
|
$domRendering = $renderingEngine->render($rubric);
|
||
|
$mainStringRendering = $markupPostRenderer->render($domRendering);
|
||
|
|
||
|
// Prepend stylesheets rendering to the main rendering.
|
||
|
$styleRendering = $renderingEngine->getStylesheets();
|
||
|
$mainStringRendering = $styleRendering->ownerDocument->saveXML($styleRendering) . $mainStringRendering;
|
||
|
|
||
|
if ($this->useCssScoping()) {
|
||
|
foreach ($stylesheets as $rubricStylesheet) {
|
||
|
$relPath = trim($this->getExtraPath(), '/');
|
||
|
$relPath = (empty($relPath) ? '' : $relPath . DIRECTORY_SEPARATOR)
|
||
|
. $rubricStylesheet->getHref();
|
||
|
$sourceFile = $sourceDir->getFile($relPath);
|
||
|
|
||
|
if (!$publicCompiledDocDir->has($relPath)) {
|
||
|
try {
|
||
|
$data = $sourceFile->read();
|
||
|
$tmpDir = \tao_helpers_File::createTempDir();
|
||
|
$tmpFile = $tmpDir . 'tmp.css';
|
||
|
file_put_contents($tmpFile, $data);
|
||
|
$scopedCss = $cssScoper->render($tmpFile, $rubric->getId());
|
||
|
unlink($tmpFile);
|
||
|
rmdir($tmpDir);
|
||
|
$publicCompiledDocDir->write($relPath, $scopedCss);
|
||
|
} catch (\InvalidArgumentException $e) {
|
||
|
common_Logger::e('Unable to copy file into public directory: ' . $relPath);
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// -- Replace the artificial 'tao://qti-directory' base path with a runtime call to the delivery time base path.
|
||
|
$mainStringRendering = str_replace(taoQtiTest_models_classes_QtiTestService::TEST_PLACEHOLDER_BASE_URI, '<?php echo $' . taoQtiTest_models_classes_QtiTestService::TEST_BASE_PATH_NAME . '; ?>', $mainStringRendering);
|
||
|
if (!$privateCompiledDocDir->has($renderingFile)) {
|
||
|
try {
|
||
|
$privateCompiledDocDir->write($renderingFile, $mainStringRendering);
|
||
|
common_Logger::t("rubricBlockRef '" . $rubricRefHref . "' successfully rendered.");
|
||
|
} catch (\InvalidArgumentException $e) {
|
||
|
common_Logger::e('Unable to copy file into public directory: ' . $renderingFile);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// -- Clean up old rubric block and reference the new rubric block template.
|
||
|
$privateCompiledDocDir->delete($rubricRefHref);
|
||
|
|
||
|
$rubricRef->setHref('./' . $pathinfo['filename'] . '.php');
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Copy the test resources (e.g. images) that will be availabe at delivery time
|
||
|
* in the public compilation directory.
|
||
|
*
|
||
|
*/
|
||
|
protected function copyPublicResources()
|
||
|
{
|
||
|
$testService = taoQtiTest_models_classes_QtiTestService::singleton();
|
||
|
$testDefinitionDir = $testService->getQtiTestDir($this->getResource());
|
||
|
|
||
|
$publicCompiledDocDir = $this->getPublicDirectory();
|
||
|
$iterator = $testDefinitionDir->getFlyIterator(Directory::ITERATOR_RECURSIVE | Directory::ITERATOR_FILE);
|
||
|
foreach ($iterator as $file) {
|
||
|
/** @var \oat\oatbox\filesystem\File $file */
|
||
|
$mime = $file->getMimeType();
|
||
|
$pathinfo = pathinfo($file->getBasename());
|
||
|
|
||
|
if (in_array($mime, self::getPublicMimeTypes()) === true && $pathinfo['extension'] !== 'php') {
|
||
|
$publicPathFile = $testDefinitionDir->getRelPath($file);
|
||
|
try {
|
||
|
common_Logger::d('Public ' . $file->getPrefix() . '(' . $mime . ') to ' . $publicPathFile);
|
||
|
$publicCompiledDocDir->getFile($publicPathFile)->write($file->readStream());
|
||
|
} catch (FileExistsException $e) {
|
||
|
common_Logger::w('File ' . $publicPathFile . ' copied twice to public test folder during compilation');
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Copy all remote resource (absolute URLs to another host) contained in a rubricBlock into a dedicated directory. Remote resources
|
||
|
* can be refereced by the following QTI classes/attributes:
|
||
|
*
|
||
|
* * a:href
|
||
|
* * object:data
|
||
|
* * img:src
|
||
|
*
|
||
|
* @param AssessmentTest $assessmentTest An AssessmentTest object.
|
||
|
* @throws taoQtiTest_models_classes_QtiTestCompilationFailedException If a remote resource cannot be retrieved.
|
||
|
*/
|
||
|
protected function copyRemoteResources(RubricBlock $rubricBlock)
|
||
|
{
|
||
|
$ds = DIRECTORY_SEPARATOR;
|
||
|
$tmpDir = tao_helpers_File::createTempDir();
|
||
|
$destPath = trim($this->getExtraPath(), $ds) . $ds . taoQtiTest_models_classes_QtiTestService::TEST_REMOTE_FOLDER . $ds;
|
||
|
|
||
|
// Search for all class-attributes in QTI-XML that might reference a remote file.
|
||
|
$search = $rubricBlock->getComponentsByClassName(['a', 'object', 'img']);
|
||
|
foreach ($search as $component) {
|
||
|
switch ($component->getQtiClassName()) {
|
||
|
case 'object':
|
||
|
$url = $component->getData();
|
||
|
break;
|
||
|
|
||
|
case 'img':
|
||
|
$url = $component->getSrc();
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
if (isset($url) && !preg_match('@^' . ROOT_URL . '@', $url) && !Url::isRelative($url)) {
|
||
|
$tmpFile = taoItems_helpers_Deployment::retrieveFile($url, $tmpDir);
|
||
|
if ($tmpFile !== false) {
|
||
|
$pathinfo = pathinfo($tmpFile);
|
||
|
$handle = fopen($tmpFile, 'r');
|
||
|
$this->getPublicDirectory()->writeStream($destPath . $pathinfo['basename'], $handle);
|
||
|
fclose($handle);
|
||
|
unlink($tmpFile);
|
||
|
$newUrl = taoQtiTest_models_classes_QtiTestService::TEST_REMOTE_FOLDER . '/' . $pathinfo['basename'];
|
||
|
|
||
|
switch ($component->getQtiClassName()) {
|
||
|
case 'object':
|
||
|
$component->setData($newUrl);
|
||
|
break;
|
||
|
|
||
|
case 'img':
|
||
|
$component->setSrc($newUrl);
|
||
|
break;
|
||
|
}
|
||
|
} else {
|
||
|
$msg = "The remote resource referenced by '${url}' could not be retrieved.";
|
||
|
throw new taoQtiTest_models_classes_QtiTestCompilationFailedException($msg, $this->getResource(), taoQtiTest_models_classes_QtiTestCompilationFailedException::REMOTE_RESOURCE);
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Compile the given $test into PHP source code for maximum performance. The file will be stored
|
||
|
* into PRIVATE_DIRECTORY/compact-test.php.
|
||
|
*
|
||
|
* @param AssessmentTest $test
|
||
|
*/
|
||
|
protected function compileTest(AssessmentTest $test)
|
||
|
{
|
||
|
common_Logger::t("Compiling QTI test definition...");
|
||
|
|
||
|
$this->getServiceLocator()->get(CompilationDataService::SERVICE_ID)->writeCompilationData(
|
||
|
$this->getPrivateDirectory(),
|
||
|
taoQtiTest_models_classes_QtiTestService::TEST_COMPILED_FILENAME,
|
||
|
$test
|
||
|
);
|
||
|
|
||
|
common_Logger::d("QTI-PHP Test Compilation file saved to stream.");
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* @param core_kernel_classes_Resource $resource
|
||
|
* @throws FileNotFoundException
|
||
|
* @throws common_Exception
|
||
|
*/
|
||
|
protected function compileTestMetadata(core_kernel_classes_Resource $resource)
|
||
|
{
|
||
|
/** @var ResourceJsonMetadataCompiler $jsonMetadataCompiler */
|
||
|
$jsonMetadataCompiler = $this->getServiceLocator()->get(ResourceJsonMetadataCompiler::SERVICE_ID);
|
||
|
$metadataJson = $jsonMetadataCompiler->compile($resource);
|
||
|
|
||
|
$this->getPrivateDirectory()->write(taoQtiTest_models_classes_QtiTestService::TEST_COMPILED_METADATA_FILENAME, json_encode($metadataJson));
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Compile Adaptive Test Information.
|
||
|
*
|
||
|
* This method compiles all information required at runtime in terms of Adaptive Testing.
|
||
|
*
|
||
|
* @param \qtism\data\AssessmentTest $test
|
||
|
*/
|
||
|
protected function compileAdaptive(AssessmentTest $test)
|
||
|
{
|
||
|
$catService = $this->getServiceLocator()->get(CatService::SERVICE_ID);
|
||
|
$compilationDataService = $this->getServiceLocator()->get(CompilationDataService::SERVICE_ID);
|
||
|
$catSectionMap = [];
|
||
|
|
||
|
$trail = [];
|
||
|
foreach ($test->getTestParts() as $testPart) {
|
||
|
foreach ($testPart->getAssessmentSections() as $assessmentSection) {
|
||
|
array_push($trail, $assessmentSection);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
$traversed = [];
|
||
|
|
||
|
while (count($trail) > 0) {
|
||
|
$current = array_pop($trail);
|
||
|
|
||
|
if (in_array($current, $traversed, true) === false) {
|
||
|
// 1st pass.
|
||
|
array_push($trail, $current);
|
||
|
|
||
|
foreach ($current->getSectionParts() as $sectionPart) {
|
||
|
if ($sectionPart instanceof ExtendedAssessmentSection) {
|
||
|
array_push($trail, $sectionPart);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
array_push($traversed, $current);
|
||
|
} else {
|
||
|
// 2nd pass.
|
||
|
$sectionParts = $current->getSectionParts();
|
||
|
$sectionIdentifier = $current->getIdentifier();
|
||
|
|
||
|
$catInfo = $catService->getAdaptiveAssessmentSectionInfo(
|
||
|
$test,
|
||
|
$this->getPrivateDirectory(),
|
||
|
$this->getExtraPath(),
|
||
|
$sectionIdentifier
|
||
|
);
|
||
|
|
||
|
if ($catInfo !== false) {
|
||
|
// QTI Adaptive Section detected.
|
||
|
\common_Logger::d("QTI Adaptive Section with identifier '" . $current->getIdentifier() . "' found.");
|
||
|
|
||
|
// Deal with AssessmentSection Compiling.
|
||
|
$compilationDataService->writeCompilationData(
|
||
|
$this->getPrivateDirectory(),
|
||
|
"adaptive-assessment-section-${sectionIdentifier}",
|
||
|
$current
|
||
|
);
|
||
|
|
||
|
foreach ($sectionParts->getKeys() as $sectionPartIdentifier) {
|
||
|
$sectionPart = $sectionParts[$sectionPartIdentifier];
|
||
|
|
||
|
if ($sectionPart instanceof ExtendedAssessmentItemRef) {
|
||
|
$sectionPartHref = $sectionPart->getHref();
|
||
|
|
||
|
// Deal with AssessmentItemRef Compiling.
|
||
|
$compilationDataService->writeCompilationData(
|
||
|
$this->getPrivateDirectory(),
|
||
|
"adaptive-assessment-item-ref-${sectionPartIdentifier}",
|
||
|
$sectionPart
|
||
|
);
|
||
|
|
||
|
unset($sectionParts[$sectionPartIdentifier]);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (count($sectionParts) === 0) {
|
||
|
$placeholderIdentifier = "adaptive-placeholder-${sectionIdentifier}";
|
||
|
// Make the placeholder's href something predictable for later use...
|
||
|
$placeholderHref = "x-tao-qti-adaptive://section/${sectionIdentifier}";
|
||
|
|
||
|
$placeholder = new ExtendedAssessmentItemRef($placeholderIdentifier, $placeholderHref);
|
||
|
|
||
|
// Tag the item ref in order to make it recognizable as an adaptive placeholder.
|
||
|
$placeholder->getCategories()[] = self::ADAPTIVE_PLACEHOLDER_CATEGORY;
|
||
|
$sectionParts[] = $placeholder;
|
||
|
|
||
|
\common_Logger::d("Adaptive AssessmentItemRef Placeholder '${placeholderIdentifier}' injected in AssessmentSection '${sectionIdentifier}'.");
|
||
|
|
||
|
// Ask for section setup to the CAT Engine.
|
||
|
$section = $catService->getEngine($catInfo['adaptiveEngineRef'])->setupSection($catInfo['adaptiveSectionIdentifier']);
|
||
|
$catSectionMap[$catInfo['qtiSectionIdentifier']] = ['section' => $section, 'endpoint' => $catInfo['adaptiveEngineRef']];
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Write Adaptive Section Map for runtime usage.
|
||
|
$this->getPrivateDirectory()->write(self::ADAPTIVE_SECTION_MAP_FILENAME, json_encode($catSectionMap));
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Compile the $test meta-data into PHP source code for maximum performance. The file is
|
||
|
* stored into PRIVATE_DIRECTORY/test-meta.php.
|
||
|
*
|
||
|
* @param AssessmentTest $test
|
||
|
*/
|
||
|
protected function compileMeta(AssessmentTest $test)
|
||
|
{
|
||
|
common_Logger::t("Compiling test metadata...");
|
||
|
$compiledDocDir = $this->getPrivateDirectory();
|
||
|
|
||
|
/** @var CompilationDataService $compilationDataService */
|
||
|
$compilationDataService = $this->getServiceLocator()->get(CompilationDataService::SERVICE_ID);
|
||
|
$compilationDataService->writeCompilationMetadata($compiledDocDir, $test);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Compile the test index into JSON file to improve performance of the map build.
|
||
|
* The file is stored into PRIVATE_DIRECTORY/test-index.json.
|
||
|
*/
|
||
|
protected function compileIndex()
|
||
|
{
|
||
|
$compiledDocDir = $this->getPrivateDirectory();
|
||
|
|
||
|
/** @var $index QtiTestCompilerIndex */
|
||
|
$index = $this->getContext();
|
||
|
if ($index) {
|
||
|
$compiledDocDir->write(taoQtiTest_models_classes_QtiTestService::TEST_COMPILED_INDEX, $index->serialize());
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Compile AssessmentItemRef Href Indexes
|
||
|
*
|
||
|
* This method indexes the value of $assessmentItemRef->href by $assessmentItemRef->identifier for later
|
||
|
* usage at delivery time (for fast access).
|
||
|
*
|
||
|
* @param \qtism\data\AssessmentItemRef $assessmentItemRef
|
||
|
*/
|
||
|
protected function compileAssessmentItemRefHrefIndex(AssessmentItemRef $assessmentItemRef)
|
||
|
{
|
||
|
$compiledDocDir = $this->getPrivateDirectory();
|
||
|
$compiledDocDir->getFile(self::buildHrefIndexPath($assessmentItemRef->getIdentifier()))
|
||
|
->write($assessmentItemRef->getHref());
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Get the list of mime types of files that are accepted to be put
|
||
|
* into the public compilation directory.
|
||
|
*
|
||
|
* @return array
|
||
|
*/
|
||
|
protected static function getPublicMimeTypes()
|
||
|
{
|
||
|
return self::$publicMimeTypes;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Build Href Index Path
|
||
|
*
|
||
|
* Builds the Href Index Path from given $identifier.
|
||
|
*
|
||
|
* @param string $identifier
|
||
|
* @return string
|
||
|
*/
|
||
|
public static function buildHrefIndexPath($identifier)
|
||
|
{
|
||
|
return taoQtiTest_models_classes_QtiTestService::TEST_COMPILED_HREF_INDEX_FILE_PREFIX . md5($identifier) . taoQtiTest_models_classes_QtiTestService::TEST_COMPILED_HREF_INDEX_FILE_EXTENSION;
|
||
|
}
|
||
|
|
||
|
protected function addCompilationInfo($key, $info)
|
||
|
{
|
||
|
if (is_scalar($info)) {
|
||
|
$this->compilationInfo[$key] = $info;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
public function getCompilatonInfo()
|
||
|
{
|
||
|
return $this->compilationInfo;
|
||
|
}
|
||
|
|
||
|
protected function getTaoQtiTestExtension()
|
||
|
{
|
||
|
return $this->getServiceLocator()->get(\common_ext_ExtensionsManager::SERVICE_ID)->getExtensionById('taoQtiTest');
|
||
|
}
|
||
|
|
||
|
protected function buildCompilationInfo()
|
||
|
{
|
||
|
$this->addCompilationInfo('tao-version', TAO_VERSION);
|
||
|
$this->addCompilationInfo('testqti-version', $this->getTaoQtiTestExtension()->getVersion());
|
||
|
$this->addCompilationInfo('compilation-data-service-implementation', get_class($this->getServiceLocator()->get(CompilationDataService::SERVICE_ID)));
|
||
|
|
||
|
$this->getPrivateDirectory()->write(
|
||
|
self::COMPILATION_INFO_FILENAME,
|
||
|
json_encode($this->getCompilatonInfo())
|
||
|
);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Set whenever or not the compiler should use client test container
|
||
|
* @param boolean $boolean
|
||
|
*/
|
||
|
public function setClientContainer($boolean)
|
||
|
{
|
||
|
$this->settingClientContainer = !!$boolean;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Whenever or not we use the Client Test runner
|
||
|
* @return boolean
|
||
|
*/
|
||
|
protected function useClientTestRunner()
|
||
|
{
|
||
|
return $this->settingClientContainer;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Set whenever or not the compiler should scope rubric block css
|
||
|
* @param boolean $boolean
|
||
|
*/
|
||
|
public function setCssScoping($boolean)
|
||
|
{
|
||
|
$this->settingCssScope = !!$boolean;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Whenever or not we scope rubric block css
|
||
|
* @return boolean
|
||
|
*/
|
||
|
protected function useCssScoping()
|
||
|
{
|
||
|
return $this->settingCssScope;
|
||
|
}
|
||
|
}
|