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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Bart Visscher <bartv@thisnet.nl>
* @author Björn Schießle <bjoern@schiessle.org>
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Joas Schilling <coding@schilljs.com>
* @author Michael Gapczynski <GapczynskiM@gmail.com>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin McCorkell <robin@mccorkell.me.uk>
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCA\Files_Sharing\ShareBackend;
class Folder extends File implements \OCP\Share_Backend_Collection {
/**
* get shared parents
*
* @param int $itemSource item source ID
* @param string $shareWith with whom should the item be shared
* @param string $owner owner of the item
* @return array with shares
*/
public function getParents($itemSource, $shareWith = null, $owner = null) {
$result = [];
$parent = $this->getParentId($itemSource);
$userManager = \OC::$server->getUserManager();
while ($parent) {
$shares = \OCP\Share::getItemSharedWithUser('folder', $parent, $shareWith, $owner);
if ($shares) {
foreach ($shares as $share) {
$name = basename($share['path']);
$share['collection']['path'] = $name;
$share['collection']['item_type'] = 'folder';
$share['file_path'] = $name;
$ownerUser = $userManager->get($share['uid_owner']);
$displayNameOwner = $ownerUser === null ? $share['uid_owner'] : $ownerUser->getDisplayName();
$shareWithUser = $userManager->get($share['share_with']);
$displayNameShareWith = $shareWithUser === null ? $share['share_with'] : $shareWithUser->getDisplayName();
$share['displayname_owner'] = $displayNameOwner ? $displayNameOwner : $share['uid_owner'];
$share['share_with_displayname'] = $displayNameShareWith ? $displayNameShareWith : $share['uid_owner'];
$result[] = $share;
}
}
$parent = $this->getParentId($parent);
}
return $result;
}
/**
* get file cache ID of parent
*
* @param int $child file cache ID of child
* @return mixed parent ID or null
*/
private function getParentId($child) {
$qb = \OC::$server->getDatabaseConnection()->getQueryBuilder();
$qb->select('parent')
->from('filecache')
->where(
$qb->expr()->eq('fileid', $qb->createNamedParameter($child))
);
$result = $qb->execute();
$row = $result->fetch();
$result->closeCursor();
return $row ? $row['parent'] : null;
}
public function getChildren($itemSource) {
$children = [];
$parents = [$itemSource];
$qb = \OC::$server->getDatabaseConnection()->getQueryBuilder();
$qb->select('id')
->from('mimetypes')
->where(
$qb->expr()->eq('mimetype', $qb->createNamedParameter('httpd/unix-directory'))
);
$result = $qb->execute();
$row = $result->fetch();
$result->closeCursor();
if ($row = $result->fetchRow()) {
$mimetype = (int) $row['id'];
} else {
$mimetype = -1;
}
while (!empty($parents)) {
$qb = \OC::$server->getDatabaseConnection()->getQueryBuilder();
$parents = array_map(function ($parent) use ($qb) {
return $qb->createNamedParameter($parent);
}, $parents);
$qb->select('`fileid', 'name', '`mimetype')
->from('filecache')
->where(
$qb->expr()->in('parent', $parents)
);
$result = $qb->execute();
$parents = [];
while ($file = $result->fetch()) {
$children[] = ['source' => $file['fileid'], 'file_path' => $file['name']];
// If a child folder is found look inside it
if ((int) $file['mimetype'] === $mimetype) {
$parents[] = $file['fileid'];
}
}
$result->closeCursor();
}
return $children;
}
}
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