nextcloud / circles

	 * @return IShare

	 *

	 */

	public function move(IShare $share, $userId) {

		$childId = $this->getShareChildId($share, $userId, true);

		$qb = $this->getBaseUpdateSql();

		$qb->set('file_target', $qb->createNamedParameter($share->getTarget()));

		$this->limitToShareChildren($qb, $userId, $share->getId());

		$this->limitToShare($qb, $childId);

		$qb->execute();

		return $share;

	}

	/**

	 *

	 * @return bool

	 */

	private function getShareChildId(IShare $share, $userId) {

		$qb = $this->getBaseSelectSql($share->getId());

		$this->limitToShareChildren($qb, $userId, $share->getId());

		$child = $qb->execute();

		$data = $child->fetch();

		$child->closeCursor();

		if ($data === false) {

			return $this->createShareChild($userId, $share);

		}

		return $data['id'];

	}

	/**