105 lines
3.4 KiB
PHP
105 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) 2017 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT);
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*
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*/
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namespace oat\taoQtiTest\models\creator;
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use common_exception_Error;
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use core_kernel_classes_Class;
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use core_kernel_classes_Resource;
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use oat\oatbox\service\ConfigurableService;
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use oat\tao\model\resources\ResourceLookup;
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use oat\tao\model\resources\TreeResourceLookup;
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use oat\taoItems\model\CategoryService;
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/**
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* Look up items and format them as a tree hierarchy
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*
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* @author Bertrand Chevrier <bertrand@taotesting.com>
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*/
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class TreeItemLookup extends ConfigurableService implements ItemLookup
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{
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use PermissionLookupTrait;
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public const SERVICE_ID = 'taoQtiTest/CreatorItems/tree';
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public function getCategoryService(): CategoryService
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{
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/** @noinspection PhpIncompatibleReturnTypeInspection */
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return $this->getServiceLocator()->get(CategoryService::SERVICE_ID);
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}
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public function getTreeResourceLookupService(): ResourceLookup
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{
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/** @noinspection PhpIncompatibleReturnTypeInspection */
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return $this->getServiceLocator()->get(TreeResourceLookup::SERVICE_ID);
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}
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/**
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* Retrieve QTI Items in their hierarchy, for the given parameters as format them as tree.
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*
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* @param core_kernel_classes_Class $itemClass the item class
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* @param array $propertyFilters propUri/propValue to search items
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* @param int $offset for paging
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* @param int $limit for paging
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*
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* @return array the items
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*
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* @throws common_exception_Error
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*/
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public function getItems(
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core_kernel_classes_Class $itemClass,
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array $propertyFilters = [],
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$offset = 0,
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$limit = 30
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): array
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{
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$data = $this->getTreeResourceLookupService()->getResources($itemClass, [], $propertyFilters, $offset, $limit);
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$nodes = $this->formatTreeData($data);
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$nodes = $this->fillPermissions($nodes);
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return $nodes;
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}
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/**
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* Reformat the the tree : state and count
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* Add the item's categories
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*
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* @param array $treeData
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*
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* @return array the formatted data
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*
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* @throws common_exception_Error
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*/
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private function formatTreeData(array $treeData): array
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{
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foreach ($treeData as &$item) {
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if ($item['type'] === 'instance') {
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$item['categories'] = $this->getCategoryService()->getItemCategories(
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new core_kernel_classes_Resource($item['uri'])
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);
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}
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elseif (isset($item['children'])) {
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$item['children'] = $this->formatTreeData($item['children']);
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}
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}
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return $treeData;
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}
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}
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