UPSTREAM BASELINE: nextcloud/spreed v22.0.12 (без изменений)

Источник: https://github.com/nextcloud/spreed/archive/refs/tags/v22.0.12.tar.gz С этого коммита ветка официального Nextcloud Talk отрезана (решение владельца 2026-07-06). Все дальнейшие изменения — только наши; версии релизов: 22.0.12-f7.N.
2026-07-06 14:07:50 +00:00
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+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\Talk\Share\Helper;
+
+use OCP\FilesMetadata\Exceptions\FilesMetadataNotFoundException;
+use OCP\FilesMetadata\Exceptions\FilesMetadataTypeException;
+use OCP\FilesMetadata\IFilesMetadataManager;
+use OCP\FilesMetadata\Model\IFilesMetadata;
+
+class FilesMetadataCache {
+	/** @var array<int, ?array{width: int, height: int, blurhash?: string}> */
+	protected array $filesSizeData = [];
+
+	public function __construct(
+		protected IFilesMetadataManager $filesMetadataManager,
+	) {
+	}
+
+	/**
+	 * @param list<int> $fileIds
+	 */
+	public function preloadMetadata(array $fileIds): void {
+		$missingFileIds = array_diff($fileIds, array_keys($this->filesSizeData));
+		if (empty($missingFileIds)) {
+			return;
+		}
+
+		$data = $this->filesMetadataManager->getMetadataForFiles($missingFileIds);
+		foreach ($data as $fileId => $metadata) {
+			$this->cachePhotosSize($fileId, $metadata);
+		}
+	}
+
+	/**
+	 * @param int $fileId
+	 * @return array
+	 * @psalm-return array{width: int, height: int, blurhash?: string}
+	 * @throws FilesMetadataNotFoundException
+	 */
+	public function getImageMetadataForFileId(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;
+			}
+		}
+
+		$data = $this->filesSizeData[$fileId];
+		if ($data === null) {
+			throw new FilesMetadataNotFoundException();
+		}
+
+		return $data;
+	}
+
+	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;
+			}
+
+			if (isset($sizeMetadata['width'], $sizeMetadata['height'])) {
+				$dimensions = [
+					'width' => $sizeMetadata['width'],
+					'height' => $sizeMetadata['height'],
+				];
+
+				// Retrieve Blurhash from metadata (if present)
+				if ($metadata->hasKey('blurhash')) {
+					$dimensions['blurhash'] = $metadata->getString('blurhash');
+				}
+
+				$this->filesSizeData[$fileId] = $dimensions;
+			} else {
+				$this->filesSizeData[$fileId] = null;
+			}
+		} else {
+			$this->filesSizeData[$fileId] = null;
+		}
+
+	}
+}