Code Coverage |
||||||||||
Lines |
Functions and Methods |
Classes and Traits |
||||||||
| Total | |
78.05% |
32 / 41 |
|
80.00% |
4 / 5 |
CRAP | |
0.00% |
0 / 1 |
| AssetDeleter | |
78.05% |
32 / 41 |
|
80.00% |
4 / 5 |
14.79 | |
0.00% |
0 / 1 |
| __construct | |
100.00% |
5 / 5 |
|
100.00% |
1 / 1 |
1 | |||
| deleteByItemUri | |
50.00% |
9 / 18 |
|
0.00% |
0 / 1 |
4.12 | |||
| getAssetsToDeleteByItemUri | |
100.00% |
6 / 6 |
|
100.00% |
1 / 1 |
3 | |||
| deleteAsset | |
100.00% |
7 / 7 |
|
100.00% |
1 / 1 |
2 | |||
| resourceHasNoSiblings | |
100.00% |
5 / 5 |
|
100.00% |
1 / 1 |
4 | |||
| 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) 2023 (original work) Open Assessment Technologies SA. |
| 19 | */ |
| 20 | |
| 21 | namespace oat\taoMediaManager\model; |
| 22 | |
| 23 | use oat\generis\model\data\Ontology; |
| 24 | use oat\tao\model\resources\Exception\ClassDeletionException; |
| 25 | use oat\tao\model\resources\Exception\PartialClassDeletionException; |
| 26 | use oat\tao\model\resources\Service\ClassDeleter; |
| 27 | use core_kernel_classes_Class; |
| 28 | use core_kernel_classes_Resource; |
| 29 | use oat\taoMediaManager\model\relation\repository\rdf\RdfMediaRelationRepository; |
| 30 | use tao_helpers_Uri; |
| 31 | use Psr\Log\LoggerInterface; |
| 32 | use Throwable; |
| 33 | |
| 34 | class AssetDeleter |
| 35 | { |
| 36 | private LoggerInterface $logger; |
| 37 | private Ontology $ontology; |
| 38 | private ClassDeleter $classDeleter; |
| 39 | private MediaService $mediaService; |
| 40 | private RdfMediaRelationRepository $mediaRelationRepository; |
| 41 | |
| 42 | public function __construct( |
| 43 | LoggerInterface $logger, |
| 44 | MediaService $mediaService, |
| 45 | Ontology $ontology, |
| 46 | ClassDeleter $classDeleter, |
| 47 | RdfMediaRelationRepository $mediaRelationRepository |
| 48 | ) { |
| 49 | $this->logger = $logger; |
| 50 | $this->mediaService = $mediaService; |
| 51 | $this->ontology = $ontology; |
| 52 | $this->classDeleter = $classDeleter; |
| 53 | $this->mediaRelationRepository = $mediaRelationRepository; |
| 54 | } |
| 55 | |
| 56 | public function deleteByItemUri(string $itemUri): void |
| 57 | { |
| 58 | foreach ($this->getAssetsToDeleteByItemUri($itemUri) as $assetUri) { |
| 59 | try { |
| 60 | $this->deleteAsset($assetUri); |
| 61 | |
| 62 | $this->logger->info( |
| 63 | sprintf( |
| 64 | 'Assets "%s" removed after Item "%s" using them was removed', |
| 65 | $assetUri, |
| 66 | $itemUri |
| 67 | ) |
| 68 | ); |
| 69 | } catch (Throwable $e) { |
| 70 | $this->logger->error( |
| 71 | sprintf( |
| 72 | 'ItemRemovedEventProcessor: CAUGHT %s exception removing assets: %s - trace: %s', |
| 73 | get_class($e), |
| 74 | $e->getMessage(), |
| 75 | $e->getTraceAsString() |
| 76 | ) |
| 77 | ); |
| 78 | } |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | private function getAssetsToDeleteByItemUri(string $itemUri): array |
| 83 | { |
| 84 | $assetsToDelete = []; |
| 85 | |
| 86 | foreach ($this->mediaRelationRepository->getItemAssetUris($itemUri) as $assetUri) { |
| 87 | $relatedItemUris = $this->mediaRelationRepository->getRelatedItemUrisByAssetUri($assetUri); |
| 88 | |
| 89 | if (count($relatedItemUris) == 1) { |
| 90 | $assetsToDelete[] = $assetUri; |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | return $assetsToDelete; |
| 95 | } |
| 96 | |
| 97 | /** |
| 98 | * @throws PartialClassDeletionException |
| 99 | * @throws ClassDeletionException |
| 100 | */ |
| 101 | private function deleteAsset(string $assetId): void |
| 102 | { |
| 103 | $uri = tao_helpers_Uri::decode($assetId); |
| 104 | |
| 105 | $resource = $this->ontology->getResource($uri); |
| 106 | $type = current($resource->getTypes()); |
| 107 | |
| 108 | $hasNoSiblings = $this->resourceHasNoSiblings($resource); |
| 109 | $this->mediaService->deleteResource($resource); |
| 110 | |
| 111 | if ($hasNoSiblings) { |
| 112 | $this->classDeleter->delete($type); |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | private function resourceHasNoSiblings(core_kernel_classes_Resource $resource): bool |
| 117 | { |
| 118 | $type = current($resource->getTypes()); |
| 119 | |
| 120 | return count($resource->getTypes()) == 1 |
| 121 | && $type instanceof core_kernel_classes_Class |
| 122 | && $type->countInstances() == 1 |
| 123 | && $type->getUri() !== TaoMediaOntology::CLASS_URI_MEDIA_ROOT; |
| 124 | } |
| 125 | } |