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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* repository_user class is used to browse user private files
*
* @since 2.0
* @package repository
* @subpackage user
* @copyright 2010 Dongsheng Cai <dongsheng@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class repository_user extends repository {
/**
* user plugin doesn't require login
* @return mixed
*/
public function print_login() {
return $this->get_listing();
}
/**
* Get file listing
*
* @param string $encodedpath
* @return mixed
*/
public function get_listing($encodedpath = '') {
global $CFG, $USER, $OUTPUT;
$ret = array();
$ret['dynload'] = true;
$ret['nosearch'] = true;
$ret['nologin'] = true;
$list = array();
if (!empty($encodedpath)) {
$params = unserialize(base64_decode($encodedpath));
if (is_array($params)) {
$filepath = clean_param($params['filepath'], PARAM_PATH);;
$filename = clean_param($params['filename'], PARAM_FILE);
}
} else {
$itemid = 0;
$filepath = '/';
$filename = null;
}
$filearea = 'private';
$component = 'user';
$itemid = 0;
$context = get_context_instance(CONTEXT_USER, $USER->id);
try {
$browser = get_file_browser();
if ($fileinfo = $browser->get_file_info($context, $component, $filearea, $itemid, $filepath, $filename)) {
$pathnodes = array();
$level = $fileinfo;
$params = $fileinfo->get_params();
while ($level && $params['component'] == 'user' && $params['filearea'] == 'private') {
$encodedpath = base64_encode(serialize($level->get_params()));
$pathnodes[] = array('name'=>$level->get_visible_name(), 'path'=>$encodedpath);
$level = $level->get_parent();
$params = $level->get_params();
}
$ret['path'] = array_reverse($pathnodes);
// build file tree
$children = $fileinfo->get_children();
foreach ($children as $child) {
if ($child->is_directory()) {
$encodedpath = base64_encode(serialize($child->get_params()));
$node = array(
'title' => $child->get_visible_name(),
'size' => 0,
'date' => '',
'path' => $encodedpath,
'children'=>array(),
'thumbnail' => $OUTPUT->pix_url('f/folder-32')->out(false)
);
$list[] = $node;
} else {
$encodedpath = base64_encode(serialize($child->get_params()));
$node = array(
'title' => $child->get_visible_name(),
'size' => 0,
'date' => '',
'source'=> $encodedpath,
'thumbnail' => $OUTPUT->pix_url(file_extension_icon($child->get_visible_name(), 32))->out(false)
);
$list[] = $node;
}
}
}
} catch (Exception $e) {
throw new repository_exception('emptyfilelist', 'repository_user');
}
$ret['list'] = $list;
$ret['list'] = array_filter($list, array($this, 'filter'));
return $ret;
}
/**
* User file don't support to link to external links
*
* @return int
*/
public function supported_returntypes() {
return FILE_INTERNAL;
}
/**
* Does this repository used to browse moodle files?
*
* @return boolean
*/
public function has_moodle_files() {
return true;
}
}
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