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249 lines
7.4 KiB
PHP
249 lines
7.4 KiB
PHP
<?php
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/**
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* @author Björn Schießle <schiessle@owncloud.com>
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* @author brumsel <brumsel@losecatcher.de>
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* @author Jörn Friedrich Dreyer <jfd@butonic.de>
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* @author Lukas Reschke <lukas@owncloud.com>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <icewind@owncloud.com>
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* @author Robin McCorkell <robin@mccorkell.me.uk>
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* @author Roeland Jago Douma <rullzer@owncloud.com>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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* @author Vincent Petry <pvince81@owncloud.com>
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*
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OCA\Files;
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use OCP\Files\FileInfo;
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/**
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* Helper class for manipulating file information
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*/
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class Helper {
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/**
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* @param string $dir
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* @return array
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* @throws \OCP\Files\NotFoundException
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*/
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public static function buildFileStorageStatistics($dir) {
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// information about storage capacities
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$storageInfo = \OC_Helper::getStorageInfo($dir);
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$l = new \OC_L10N('files');
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$maxUploadFileSize = \OCP\Util::maxUploadFilesize($dir, $storageInfo['free']);
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$maxHumanFileSize = \OCP\Util::humanFileSize($maxUploadFileSize);
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$maxHumanFileSize = $l->t('Upload (max. %s)', array($maxHumanFileSize));
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return [
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'uploadMaxFilesize' => $maxUploadFileSize,
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'maxHumanFilesize' => $maxHumanFileSize,
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'freeSpace' => $storageInfo['free'],
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'usedSpacePercent' => (int)$storageInfo['relative'],
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'owner' => $storageInfo['owner'],
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'ownerDisplayName' => $storageInfo['ownerDisplayName'],
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];
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}
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/**
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* Determine icon for a given file
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*
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* @param \OCP\Files\FileInfo $file file info
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* @return string icon URL
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*/
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public static function determineIcon($file) {
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if($file['type'] === 'dir') {
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$icon = \OC::$server->getMimeTypeDetector()->mimeTypeIcon('dir');
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// TODO: move this part to the client side, using mountType
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if ($file->isShared()) {
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$icon = \OC::$server->getMimeTypeDetector()->mimeTypeIcon('dir-shared');
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} elseif ($file->isMounted()) {
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$icon = \OC::$server->getMimeTypeDetector()->mimeTypeIcon('dir-external');
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}
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}else{
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$icon = \OC::$server->getMimeTypeDetector()->mimeTypeIcon($file->getMimetype());
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}
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return substr($icon, 0, -3) . 'svg';
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}
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/**
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* Comparator function to sort files alphabetically and have
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* the directories appear first
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*
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* @param \OCP\Files\FileInfo $a file
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* @param \OCP\Files\FileInfo $b file
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* @return int -1 if $a must come before $b, 1 otherwise
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*/
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public static function compareFileNames(FileInfo $a, FileInfo $b) {
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$aType = $a->getType();
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$bType = $b->getType();
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if ($aType === 'dir' and $bType !== 'dir') {
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return -1;
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} elseif ($aType !== 'dir' and $bType === 'dir') {
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return 1;
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} else {
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return \OCP\Util::naturalSortCompare($a->getName(), $b->getName());
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}
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}
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/**
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* Comparator function to sort files by date
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*
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* @param \OCP\Files\FileInfo $a file
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* @param \OCP\Files\FileInfo $b file
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* @return int -1 if $a must come before $b, 1 otherwise
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*/
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public static function compareTimestamp(FileInfo $a, FileInfo $b) {
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$aTime = $a->getMTime();
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$bTime = $b->getMTime();
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return ($aTime < $bTime) ? -1 : 1;
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}
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/**
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* Comparator function to sort files by size
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*
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* @param \OCP\Files\FileInfo $a file
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* @param \OCP\Files\FileInfo $b file
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* @return int -1 if $a must come before $b, 1 otherwise
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*/
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public static function compareSize(FileInfo $a, FileInfo $b) {
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$aSize = $a->getSize();
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$bSize = $b->getSize();
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return ($aSize < $bSize) ? -1 : 1;
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}
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/**
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* Formats the file info to be returned as JSON to the client.
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*
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* @param \OCP\Files\FileInfo $i
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* @return array formatted file info
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*/
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public static function formatFileInfo(FileInfo $i) {
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$entry = array();
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$entry['id'] = $i['fileid'];
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$entry['parentId'] = $i['parent'];
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$entry['mtime'] = $i['mtime'] * 1000;
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// only pick out the needed attributes
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$entry['name'] = $i->getName();
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$entry['permissions'] = $i['permissions'];
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$entry['mimetype'] = $i['mimetype'];
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$entry['size'] = $i['size'];
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$entry['type'] = $i['type'];
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$entry['etag'] = $i['etag'];
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if (isset($i['tags'])) {
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$entry['tags'] = $i['tags'];
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}
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if (isset($i['displayname_owner'])) {
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$entry['shareOwner'] = $i['displayname_owner'];
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}
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if (isset($i['is_share_mount_point'])) {
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$entry['isShareMountPoint'] = $i['is_share_mount_point'];
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}
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$mountType = null;
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if ($i->isShared()) {
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$mountType = 'shared';
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} else if ($i->isMounted()) {
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$mountType = 'external';
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}
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if ($mountType !== null) {
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if ($i->getInternalPath() === '') {
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$mountType .= '-root';
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}
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$entry['mountType'] = $mountType;
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}
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if (isset($i['extraData'])) {
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$entry['extraData'] = $i['extraData'];
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}
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return $entry;
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}
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/**
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* Format file info for JSON
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* @param \OCP\Files\FileInfo[] $fileInfos file infos
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* @return array
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*/
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public static function formatFileInfos($fileInfos) {
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$files = array();
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foreach ($fileInfos as $i) {
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$files[] = self::formatFileInfo($i);
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}
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return $files;
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}
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/**
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* Retrieves the contents of the given directory and
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* returns it as a sorted array of FileInfo.
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*
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* @param string $dir path to the directory
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* @param string $sortAttribute attribute to sort on
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* @param bool $sortDescending true for descending sort, false otherwise
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* @param string $mimetypeFilter limit returned content to this mimetype or mimepart
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* @return \OCP\Files\FileInfo[] files
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*/
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public static function getFiles($dir, $sortAttribute = 'name', $sortDescending = false, $mimetypeFilter = '') {
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$content = \OC\Files\Filesystem::getDirectoryContent($dir, $mimetypeFilter);
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return self::sortFiles($content, $sortAttribute, $sortDescending);
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}
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/**
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* Populate the result set with file tags
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*
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* @param array $fileList
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* @return array file list populated with tags
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*/
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public static function populateTags(array $fileList) {
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$filesById = array();
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foreach ($fileList as $fileData) {
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$filesById[$fileData['fileid']] = $fileData;
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}
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$tagger = \OC::$server->getTagManager()->load('files');
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$tags = $tagger->getTagsForObjects(array_keys($filesById));
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if ($tags) {
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foreach ($tags as $fileId => $fileTags) {
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$filesById[$fileId]['tags'] = $fileTags;
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}
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}
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return $fileList;
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}
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/**
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* Sort the given file info array
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*
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* @param \OCP\Files\FileInfo[] $files files to sort
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* @param string $sortAttribute attribute to sort on
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* @param bool $sortDescending true for descending sort, false otherwise
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* @return \OCP\Files\FileInfo[] sorted files
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*/
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public static function sortFiles($files, $sortAttribute = 'name', $sortDescending = false) {
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$sortFunc = 'compareFileNames';
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if ($sortAttribute === 'mtime') {
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$sortFunc = 'compareTimestamp';
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} else if ($sortAttribute === 'size') {
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$sortFunc = 'compareSize';
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}
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usort($files, array('\OCA\Files\Helper', $sortFunc));
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if ($sortDescending) {
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$files = array_reverse($files);
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}
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return $files;
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}
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}
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