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Preload the files metadata and cache photos-size
Signed-off-by: Joas Schilling <[email protected]>
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,103 @@ | ||
| <?php | ||
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| declare(strict_types=1); | ||
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| /** | ||
| * @copyright Copyright (c) 2023 Joas Schilling <[email protected]> | ||
| * | ||
| * @author Joas Schilling <[email protected]> | ||
| * | ||
| * @license GNU AGPL version 3 or any later version | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Affero General Public License as | ||
| * published by the Free Software Foundation, either version 3 of the | ||
| * License, or (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU Affero General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Affero General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| * | ||
| */ | ||
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| namespace OCA\Talk\Share\Helper; | ||
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| use OCP\FilesMetadata\Exceptions\FilesMetadataNotFoundException; | ||
| use OCP\FilesMetadata\Exceptions\FilesMetadataTypeException; | ||
| use OCP\FilesMetadata\IFilesMetadataManager; | ||
| use OCP\FilesMetadata\Model\IFilesMetadata; | ||
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| class FilesMetadataCache { | ||
| /** @var array<int, ?array{width: int, height: int}> */ | ||
| protected array $filesSizeData = []; | ||
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| public function __construct( | ||
| protected IFilesMetadataManager $filesMetadataManager, | ||
| ) { | ||
| } | ||
|
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| /** | ||
| * @param list<int> $fileIds | ||
| */ | ||
| public function preloadMetadata(array $fileIds): void { | ||
| $missingFileIds = array_diff($fileIds, array_keys($this->filesSizeData)); | ||
| if (empty($missingFileIds)) { | ||
| return; | ||
| } | ||
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| $data = $this->filesMetadataManager->getMetadataForFiles($missingFileIds); | ||
| foreach ($data as $fileId => $metadata) { | ||
| $this->cachePhotosSize($fileId, $metadata); | ||
| } | ||
| } | ||
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| /** | ||
| * @param int $fileId | ||
| * @return array | ||
| * @psalm-return array{width: int, height: int} | ||
| * @throws FilesMetadataNotFoundException | ||
| */ | ||
| public function getMetadataPhotosSizeForFileId(int $fileId): array { | ||
| if (!array_key_exists($fileId, $this->filesSizeData)) { | ||
| try { | ||
| $this->cachePhotosSize($fileId, $this->filesMetadataManager->getMetadata($fileId, true)); | ||
| } catch (FilesMetadataNotFoundException) { | ||
| $this->filesSizeData[$fileId] = null; | ||
| } | ||
| } | ||
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| if ($this->filesSizeData[$fileId] === null) { | ||
| throw new FilesMetadataNotFoundException(); | ||
| } | ||
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| return $this->filesSizeData[$fileId]; | ||
| } | ||
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| protected function cachePhotosSize(int $fileId, IFilesMetadata $metadata): void { | ||
| if ($metadata->hasKey('photos-size')) { | ||
| try { | ||
| $sizeMetadata = $metadata->getArray('photos-size'); | ||
| } catch (FilesMetadataNotFoundException|FilesMetadataTypeException) { | ||
| $this->filesSizeData[$fileId] = null; | ||
| return; | ||
| } | ||
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| if (isset($sizeMetadata['width'], $sizeMetadata['height'])) { | ||
| $dimensions = [ | ||
| 'width' => $sizeMetadata['width'], | ||
| 'height' => $sizeMetadata['height'], | ||
| ]; | ||
| $this->filesSizeData[$fileId] = $dimensions; | ||
| } else { | ||
| $this->filesSizeData[$fileId] = null; | ||
| } | ||
| } else { | ||
| $this->filesSizeData[$fileId] = null; | ||
| } | ||
|
|
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| } | ||
| } |
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