1 files changed, 496 insertions, 0 deletions
diff --git a/lib/private/Files/Node/LazyFolder.php b/lib/private/Files/Node/LazyFolder.php
new file mode 100644
index 00000000000..50cd0f90110
--- /dev/null
+++ b/lib/private/Files/Node/LazyFolder.php
@@ -0,0 +1,496 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2020 Robin Appelman <robin@icewind.nl>
+ *
+ * @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/>.
+ *
+ */
+
+namespace OC\Files\Node;
+
+/**
+ * Class LazyFolder
+ *
+ * This is a lazy wrapper around a folder. So only
+ * once it is needed this will get initialized.
+ *
+ * @package OC\Files\Node
+ */
+class LazyFolder implements \OCP\Files\Folder {
+	/** @var \Closure */
+	private $folderClosure;
+
+	/** @var LazyFolder | null */
+	private $folder = null;
+
+	/**
+	 * LazyFolder constructor.
+	 *
+	 * @param \Closure $folderClosure
+	 */
+	public function __construct(\Closure $folderClosure) {
+		$this->folderClosure = $folderClosure;
+	}
+
+	/**
+	 * Magic method to first get the real rootFolder and then
+	 * call $method with $args on it
+	 *
+	 * @param $method
+	 * @param $args
+	 * @return mixed
+	 */
+	public function __call($method, $args) {
+		if ($this->folder === null) {
+			$this->folder = call_user_func($this->folderClosure);
+		}
+
+		return call_user_func_array([$this->folder, $method], $args);
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getUser() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function listen($scope, $method, callable $callback) {
+		$this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function removeListener($scope = null, $method = null, callable $callback = null) {
+		$this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function emit($scope, $method, $arguments = []) {
+		$this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function mount($storage, $mountPoint, $arguments = []) {
+		$this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getMount($mountPoint) {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getMountsIn($mountPoint) {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getMountByStorageId($storageId) {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getMountByNumericStorageId($numericId) {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function unMount($mount) {
+		$this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function get($path) {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function rename($targetPath) {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function delete() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function copy($targetPath) {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function touch($mtime = null) {
+		$this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getStorage() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getPath() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getInternalPath() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getId() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function stat() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getMTime() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getSize($includeMounts = true) {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getEtag() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getPermissions() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function isReadable() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function isUpdateable() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function isDeletable() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function isShareable() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getParent() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getName() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getUserFolder($userId) {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getMimetype() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getMimePart() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function isEncrypted() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getType() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function isShared() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function isMounted() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getMountPoint() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getOwner() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getChecksum() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	public function getExtension(): string {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getFullPath($path) {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getRelativePath($path) {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function isSubNode($node) {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getDirectoryListing() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function nodeExists($path) {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function newFolder($path) {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function newFile($path, $content = null) {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function search($query) {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function searchByMime($mimetype) {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function searchByTag($tag, $userId) {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getById($id) {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getFreeSpace() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function isCreatable() {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getNonExistingName($name) {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function move($targetPath) {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function lock($type) {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function changeLock($targetType) {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function unlock($type) {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getRecent($limit, $offset = 0) {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getCreationTime(): int {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getUploadTime(): int {
+		return $this->__call(__FUNCTION__, func_get_args());
+	}
+}