nextcloud/apps/files_sharing/lib/share/folder.php

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<?php
/**
* ownCloud
*
* @author Michael Gapczynski
* @copyright 2012 Michael Gapczynski mtgap@owncloud.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 library. If not, see <http://www.gnu.org/licenses/>.
*/
class OC_Share_Backend_Folder extends OC_Share_Backend_File implements OCP\Share_Backend_Collection {
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public function getChildren($itemSource) {
$children = array();
$parents = array($itemSource);
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$query = \OC_DB::prepare('SELECT `id` FROM `*PREFIX*mimetypes` WHERE `mimetype` = ?');
$result = $query->execute(array('httpd/unix-directory'));
if ($row = $result->fetchRow()) {
$mimetype = $row['id'];
} else {
$mimetype = -1;
}
while (!empty($parents)) {
$parents = "'".implode("','", $parents)."'";
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$query = OC_DB::prepare('SELECT `fileid`, `name`, `mimetype` FROM `*PREFIX*filecache` WHERE `parent` IN ('.$parents.')');
$result = $query->execute();
$parents = array();
while ($file = $result->fetchRow()) {
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$children[] = array('source' => $file['fileid'], 'file_path' => $file['name']);
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// If a child folder is found look inside it
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if ($file['mimetype'] == $mimetype) {
$parents[] = $file['fileid'];
}
}
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}
return $children;
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}
}