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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; under version 2 |
| 7 | * of the License (non-upgradable). |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | * |
| 18 | * Copyright (c) 2021 (original work) Open Assessment Technologies SA. |
| 19 | */ |
| 20 | |
| 21 | declare(strict_types=1); |
| 22 | |
| 23 | namespace oat\generis\model\resource\Service; |
| 24 | |
| 25 | use core_kernel_classes_Class; |
| 26 | use core_kernel_classes_Resource; |
| 27 | use oat\generis\model\OntologyRdf; |
| 28 | use oat\generis\model\resource\Context\ResourceRepositoryContext; |
| 29 | use oat\generis\model\resource\Contract\ResourceDeleterInterface; |
| 30 | use oat\generis\model\resource\Contract\ResourceRepositoryInterface; |
| 31 | use oat\generis\model\resource\exception\ResourceDeletionException; |
| 32 | use Throwable; |
| 33 | |
| 34 | class ResourceDeleter implements ResourceDeleterInterface |
| 35 | { |
| 36 | /** @var ResourceRepositoryInterface */ |
| 37 | private $resourceRepository; |
| 38 | |
| 39 | public function __construct(ResourceRepositoryInterface $resourceRepository) |
| 40 | { |
| 41 | $this->resourceRepository = $resourceRepository; |
| 42 | } |
| 43 | |
| 44 | public function delete(core_kernel_classes_Resource $resource): void |
| 45 | { |
| 46 | try { |
| 47 | $context = new ResourceRepositoryContext([ResourceRepositoryContext::PARAM_RESOURCE => $resource]); |
| 48 | $parentClass = $this->getParentClass($resource); |
| 49 | |
| 50 | if ($parentClass !== null) { |
| 51 | $context->setParameter(ResourceRepositoryContext::PARAM_PARENT_CLASS, $parentClass); |
| 52 | } |
| 53 | |
| 54 | $this->resourceRepository->delete($context); |
| 55 | } catch (Throwable $exception) { |
| 56 | throw new ResourceDeletionException( |
| 57 | sprintf( |
| 58 | 'Unable to delete resource "%s::%s" (%s).', |
| 59 | $resource->getLabel(), |
| 60 | $resource->getUri(), |
| 61 | $exception->getMessage() |
| 62 | ), |
| 63 | __('Unable to delete the selected resource') |
| 64 | ); |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | private function getParentClass(core_kernel_classes_Resource $resource): ?core_kernel_classes_Class |
| 69 | { |
| 70 | $parentClassUri = $resource->getOnePropertyValue($resource->getProperty(OntologyRdf::RDF_TYPE)); |
| 71 | |
| 72 | return $parentClassUri !== null |
| 73 | ? $resource->getClass($parentClassUri) |
| 74 | : null; |
| 75 | } |
| 76 | } |