1 files changed, 138 insertions, 0 deletions
diff --git a/lib/private/Files/Cache/FailedCache.php b/lib/private/Files/Cache/FailedCache.php
new file mode 100644
index 00000000000..44c1016ca8e
--- /dev/null
+++ b/lib/private/Files/Cache/FailedCache.php
@@ -0,0 +1,138 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+namespace OC\Files\Cache;
+
+use OC\Files\Search\SearchComparison;
+use OCP\Constants;
+use OCP\Files\Cache\ICache;
+use OCP\Files\Cache\ICacheEntry;
+use OCP\Files\Search\ISearchComparison;
+use OCP\Files\Search\ISearchOperator;
+use OCP\Files\Search\ISearchQuery;
+
+/**
+ * Storage placeholder to represent a missing precondition, storage unavailable
+ */
+class FailedCache implements ICache {
+	/** @var bool whether to show the failed storage in the ui */
+	private $visible;
+
+	/**
+	 * FailedCache constructor.
+	 *
+	 * @param bool $visible
+	 */
+	public function __construct($visible = true) {
+		$this->visible = $visible;
+	}
+
+
+	public function getNumericStorageId() {
+		return -1;
+	}
+
+	public function get($file) {
+		if ($file === '') {
+			return new CacheEntry([
+				'fileid' => -1,
+				'size' => 0,
+				'mimetype' => 'httpd/unix-directory',
+				'mimepart' => 'httpd',
+				'permissions' => $this->visible ? Constants::PERMISSION_READ : 0,
+				'mtime' => time()
+			]);
+		} else {
+			return false;
+		}
+	}
+
+	public function getFolderContents($folder) {
+		return [];
+	}
+
+	public function getFolderContentsById($fileId) {
+		return [];
+	}
+
+	public function put($file, array $data) {
+	}
+
+	public function insert($file, array $data) {
+	}
+
+	public function update($id, array $data) {
+	}
+
+	public function getId($file) {
+		return -1;
+	}
+
+	public function getParentId($file) {
+		return -1;
+	}
+
+	public function inCache($file) {
+		return false;
+	}
+
+	public function remove($file) {
+	}
+
+	public function move($source, $target) {
+	}
+
+	public function moveFromCache(ICache $sourceCache, $sourcePath, $targetPath) {
+	}
+
+	public function clear() {
+	}
+
+	public function getStatus($file) {
+		return ICache::NOT_FOUND;
+	}
+
+	public function search($pattern) {
+		return [];
+	}
+
+	public function searchByMime($mimetype) {
+		return [];
+	}
+
+	public function searchQuery(ISearchQuery $query) {
+		return [];
+	}
+
+	public function getAll() {
+		return [];
+	}
+
+	public function getIncomplete() {
+		return [];
+	}
+
+	public function getPathById($id) {
+		return null;
+	}
+
+	public function normalize($path) {
+		return $path;
+	}
+
+	public function copyFromCache(ICache $sourceCache, ICacheEntry $sourceEntry, string $targetPath): int {
+		throw new \Exception('Invalid cache');
+	}
+
+	public function getQueryFilterForStorage(): ISearchOperator {
+		return new SearchComparison(ISearchComparison::COMPARE_EQUAL, 'storage', -1);
+	}
+
+	public function getCacheEntryFromSearchResult(ICacheEntry $rawEntry): ?ICacheEntry {
+		return null;
+	}
+}