/**
 * Retrieve the path relative to the current user root folder.
 * If no user is connected, try to use the node's owner.
 */
private function getPathForNode(Node $node): ?string {
	$user = $this->userSession->getUser()?->getUID();
	if ($user !== null) {
		return $this->getRelativePathForUser($user, $node);
	}

	$owner = $node->getOwner()?->getUid();
	if ($owner !== null) {
		return $this->getRelativePathForUser($owner, $node);
	}

	// Attempt to extract the owner from the path
	$parts = explode('/', $node->getPath(), 4);
	$owner = (count($parts) === 4) ? $parts[1] : null;
	if ($owner !== null) {
		return $this->getRelativePathForUser($owner, $node);
	}

	return null;
}

/**
 * Get the relative path for a given user and node.
 */
private function getRelativePathForUser(string $user, Node $node): ?string {
	return $this->rootFolder
		->getUserFolder($user)
		->getRelativePath($node->getPath()) ?: null;
}