owncloud / core

	 * @return array Return list of items with item_target, permissions and expiration

	 */

	public static function getItemSharedWithUser($itemType, $itemSource, $user, $owner = null, $shareType = null) {

		if ($itemType === 'file' || $itemType === 'folder') {

			throw new \InvalidArgumentException('Item type "' . $itemType . '" not supported by old share API any more');

		}

		$shares = [];

		$where = 'WHERE';

		if (!self::isEnabled()) {

			return [];

		}

		if ($itemType === 'file' || $itemType === 'folder') {

			throw new \InvalidArgumentException('Item type "' . $itemType . '" not supported by old share API any more');

		}

		$backend = self::getBackend($itemType);

		$collectionTypes = false;

		// Get filesystem root to add it to the file target and remove from the

	 * @return array of grouped items

	 */

	protected static function groupItems($items, $itemType) {

		if ($itemType === 'file' || $itemType === 'folder') {

			throw new \InvalidArgumentException('Item type "' . $itemType . '" not supported by old share API any more');

		}

		$fileSharing = false;

		$result = [];