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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) 2022-2024 (original work) Open Assessment Technologies SA. |
| 19 | */ |
| 20 | |
| 21 | declare(strict_types=1); |
| 22 | |
| 23 | namespace oat\taoMediaManager\model\classes\Copier; |
| 24 | |
| 25 | use common_Exception; |
| 26 | use core_kernel_classes_Resource; |
| 27 | use oat\tao\model\resources\Contract\InstanceContentCopierInterface; |
| 28 | use oat\taoMediaManager\model\fileManagement\FileManagement; |
| 29 | use oat\taoMediaManager\model\MediaService; |
| 30 | use oat\taoMediaManager\model\MediaSource; |
| 31 | use oat\taoMediaManager\model\sharedStimulus\factory\CommandFactory; |
| 32 | use oat\taoMediaManager\model\sharedStimulus\service\CopyService; |
| 33 | use oat\taoMediaManager\model\sharedStimulus\specification\SharedStimulusResourceSpecification; |
| 34 | use oat\taoMediaManager\model\TaoMediaOntology; |
| 35 | |
| 36 | class AssetContentCopier implements InstanceContentCopierInterface |
| 37 | { |
| 38 | /** @var SharedStimulusResourceSpecification */ |
| 39 | private $sharedStimulusSpecification; |
| 40 | |
| 41 | /** @var CommandFactory */ |
| 42 | private $commandFactory; |
| 43 | |
| 44 | /** @var CopyService */ |
| 45 | private $sharedStimulusCopyService; |
| 46 | |
| 47 | /** @var MediaSource|null */ |
| 48 | private $mediaSource; |
| 49 | |
| 50 | /** @var string */ |
| 51 | private $defaultLanguage; |
| 52 | |
| 53 | private MediaService $mediaService; |
| 54 | private FileManagement $fileManagement; |
| 55 | |
| 56 | public function __construct( |
| 57 | SharedStimulusResourceSpecification $sharedStimulusResourceSpecification, |
| 58 | CommandFactory $commandFactory, |
| 59 | CopyService $sharedStimulusCopyService, |
| 60 | MediaService $mediaService, |
| 61 | FileManagement $fileManagement, |
| 62 | string $defaultLanguage, |
| 63 | MediaSource $mediaSource = null |
| 64 | ) { |
| 65 | $this->sharedStimulusSpecification = $sharedStimulusResourceSpecification; |
| 66 | $this->commandFactory = $commandFactory; |
| 67 | $this->sharedStimulusCopyService = $sharedStimulusCopyService; |
| 68 | $this->mediaService = $mediaService; |
| 69 | $this->fileManagement = $fileManagement; |
| 70 | $this->defaultLanguage = $defaultLanguage; |
| 71 | $this->mediaSource = $mediaSource; |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * @throws common_Exception |
| 76 | */ |
| 77 | public function copy( |
| 78 | core_kernel_classes_Resource $instance, |
| 79 | core_kernel_classes_Resource $destinationInstance |
| 80 | ): void { |
| 81 | if ($this->sharedStimulusSpecification->isSatisfiedBy($instance)) { |
| 82 | $this->sharedStimulusCopyService->copy( |
| 83 | $this->commandFactory->makeCopyCommand( |
| 84 | $instance->getUri(), |
| 85 | $destinationInstance->getUri(), |
| 86 | $this->getResourceLanguageCode($instance) |
| 87 | ) |
| 88 | ); |
| 89 | |
| 90 | return; |
| 91 | } |
| 92 | |
| 93 | $this->cloneAsset($instance, $destinationInstance); |
| 94 | } |
| 95 | |
| 96 | /** |
| 97 | * @throws common_Exception |
| 98 | */ |
| 99 | private function cloneAsset(core_kernel_classes_Resource $fromAsset, core_kernel_classes_Resource $toAsset): void |
| 100 | { |
| 101 | $mediaSource = $this->mediaSource ?? new MediaSource([]); |
| 102 | $fileInfo = $mediaSource->getFileInfo($fromAsset->getUri()); |
| 103 | $stream = $this->fileManagement->getFileStream($fileInfo['link']); |
| 104 | $tmpMediaPath = tempnam(sys_get_temp_dir(), 'taoMediaManager_') . '_' . $fileInfo['name']; |
| 105 | $logPrefix = sprintf( |
| 106 | '[link=%s,fromLabel=%s,fromUri=%s,toLabel=%s,toUri=%s]', |
| 107 | $fileInfo['link'], |
| 108 | $fromAsset->getLabel(), |
| 109 | $fromAsset->getUri(), |
| 110 | $toAsset->getLabel(), |
| 111 | $toAsset->getUri() |
| 112 | ); |
| 113 | |
| 114 | if (!file_put_contents($tmpMediaPath, $stream->getContents())) { |
| 115 | throw new common_Exception( |
| 116 | sprintf( |
| 117 | '%s Failed saving asset to a temporary file "%s" while copying it', |
| 118 | $logPrefix, |
| 119 | $tmpMediaPath, |
| 120 | ) |
| 121 | ); |
| 122 | } |
| 123 | |
| 124 | $toAsset->setPropertiesValues( |
| 125 | [ |
| 126 | TaoMediaOntology::PROPERTY_LINK => '', |
| 127 | ] |
| 128 | ); |
| 129 | |
| 130 | if (!$this->mediaService->editMediaInstance($tmpMediaPath, $toAsset->getUri())) { |
| 131 | throw new common_Exception( |
| 132 | sprintf( |
| 133 | '%s Failed saving asset into filesystem while copying it', |
| 134 | $logPrefix, |
| 135 | ) |
| 136 | ); |
| 137 | } |
| 138 | |
| 139 | if (is_readable($tmpMediaPath)) { |
| 140 | unlink($tmpMediaPath); |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | private function getResourceLanguageCode( |
| 145 | core_kernel_classes_Resource $instance |
| 146 | ): string { |
| 147 | $lang = $instance->getPropertyValues( |
| 148 | $instance->getProperty(TaoMediaOntology::PROPERTY_LANGUAGE) |
| 149 | ); |
| 150 | |
| 151 | if (empty($lang)) { |
| 152 | return $this->defaultLanguage; |
| 153 | } |
| 154 | |
| 155 | $langCode = trim(current($lang)); |
| 156 | |
| 157 | return empty($langCode) |
| 158 | ? $this->defaultLanguage |
| 159 | : $langCode; |
| 160 | } |
| 161 | } |