115 lines
4.3 KiB
PHP
115 lines
4.3 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) 2002-2008 (original work) Public Research Centre Henri Tudor & University of Luxembourg (under the project TAO & TAO2);
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* 2008-2010 (update and modification) Deutsche Institut für Internationale Pädagogische Forschung (under the project TAO-TRANSFER);
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* 2009-2012 (update and modification) Public Research Centre Henri Tudor (under the project TAO-SUSTAIN & TAO-DEV);
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* 2012-2018 (update and modification) Open Assessment Technologies SA;
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*/
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/**
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* This controller provide the actions to export items
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*
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* @author CRP Henri Tudor - TAO Team - {@link http://www.tao.lu}
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* @license GPLv2 http://www.opensource.org/licenses/gpl-2.0.php
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* @package taoItems
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*
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*/
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class taoItems_actions_ItemExport extends tao_actions_Export
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{
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/**
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* overwrite the parent index to add the requiresRight for Items only
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*
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* @requiresRight id READ
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* @throws common_Exception
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* @see tao_actions_Import::index()
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*/
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public function index()
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{
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parent::index();
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}
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protected function getAvailableExportHandlers(): array
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{
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$returnValue = parent::getAvailableExportHandlers();
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$itemModelClass = $this->getClass(taoItems_models_classes_itemModel::CLASS_URI_MODELS);
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$itemModels = $itemModelClass->getInstances();
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foreach ($itemModels as $model) {
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$impl = taoItems_models_classes_ItemsService::singleton()->getItemModelImplementation($model);
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if (in_array('tao_models_classes_export_ExportProvider', class_implements($impl), true)) {
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foreach ($impl->getExportHandlers() as $handler) {
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array_unshift($returnValue, $handler);
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}
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}
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}
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$instances = $this->getClassInstances();
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if (!count($instances)) {
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$returnValue = array_filter($returnValue,
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static function (tao_models_classes_export_ExportHandler $handler) {
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return $handler instanceof tao_models_classes_export_RdfExporter;
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});
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}
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return $returnValue;
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}
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public function getClassInstances(): array
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{
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$instances = [];
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$classUri = $this->hasPostParameter('classUri') ? $this->getPostParameter('classUri') : '';
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if ($classUri) {
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$class = $this->getClass(tao_helpers_Uri::decode($classUri));
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$instances = $class->getInstances(true);
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}
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return $instances;
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}
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protected function getFormFactory(
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array $handlers,
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tao_models_classes_export_ExportHandler $exporter,
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core_kernel_classes_Resource $selectedResource,
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array $formData
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): tao_actions_form_Export {
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$formFactory = parent::getFormFactory($handlers, $exporter, $selectedResource, $formData);
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$instances = $this->getClassInstances();
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if (!count($instances)) {
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$formFactory->setInfoBox(__('<b>Note</b>: For empty classes, the RDF format<br />is the only available format.'));
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}
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return $formFactory;
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}
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/**
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* Function returns items to export.
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* Items that has no content (<b>QTI items</b> without <i>qti.xml</i> file or empty <b>Open Web Items</b>) will be filtered
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*
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* @return core_kernel_classes_Resource[] An array of items.
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*/
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protected function getResourcesToExport()
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{
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$resources = parent::getResourcesToExport();
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$service = taoItems_models_classes_ItemsService::singleton();
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$resources = array_filter($resources, function ($val) use ($service) {
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return $service->hasItemContent($val);
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});
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return $resources;
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}
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}
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