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<?php
/**
* CoursePublicFolder.php
*
* This program 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 2 of
* the License, or (at your option) any later version.
*
* @author Elmar Ludwig <elmar.ludwig@uos.de>
* @copyright 2017 Stud.IP Core-Group
* @license http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
* @category Stud.IP
*/
class CoursePublicFolder extends StandardFolder
{
public static $sorter = 7;
/**
* Returns a localised name of the CoursePublicFolder type.
*
* @return string The localised name of this folder type.
*/
public static function getTypeName()
{
return _('Ordner für öffentlich zugängliche Dateien');
}
/**
* @param Object|string $range_id_or_object
* @param string $user_id
* @return bool
*/
public static function availableInRange($range_id_or_object, $user_id)
{
$course = Course::toObject($range_id_or_object);
if ($course && !$course->isNew()) {
return Seminar_Perm::get()->have_studip_perm('tutor', $course->id, $user_id);
}
}
public function getIcon($role = Icon::DEFAULT_ROLE)
{
$shape = $this->is_empty
? 'folder-public-empty'
: 'folder-public-full';
return Icon::create($shape, $role);
}
/**
* Determines, if the folder is accessible worldwide.
*
* @return bool True, if the folder is accessible worldwide,
* false otherwise.
*/
public function hasWorldwideAccess()
{
return (bool) $this->folderdata['data_content']['worldwide_access'];
}
/**
* CoursePublicFolders are visible for all logged in users.
* If ENABLE_FREE_ACCESS is set to 'courses_only' or '1', the folder is
* visible for everyone. In case, the worldwide access option for the
* folder is set, the folder is visible worldwide.
*
* @param string $user_id The user who wishes to see the folder.
*
* @return bool True
*/
public function isVisible($user_id)
{
if ($user_id === null || $user_id === 'nobody') {
if ($this->hasWorldwideAccess()) {
return true;
}
$range = $this->getRangeObject();
return Config::get()->ENABLE_FREE_ACCESS && isset($range) && $range->lesezugriff == 0;
}
return true;
}
/**
* CoursePublicFolders are readable for all logged in users.
*
* @param string $user_id The user who wishes to read the folder.
*
* @return bool True
*/
public function isReadable($user_id)
{
return $this->isVisible($user_id);
}
/**
* Returns a description template for CoursePublicFolders.
*
* @return string A string describing this folder type.
*/
public function getDescriptionTemplate()
{
return _('Dateien aus diesem Ordner werden auf der Detailseite der Veranstaltung zum Download angeboten.');
}
/**
* Returns the edit template for this folder type.
*
* @return Flexi_Template
*/
public function getEditTemplate()
{
$template = $GLOBALS['template_factory']->open('filesystem/course_public_folder/edit.php');
$template->worldwide_access = $this->hasWorldwideAccess();
return $template;
}
/**
* Sets the data from a submitted edit template.
*
* @param array $request The data from the edit template.
*
* @return FolderType
*/
public function setDataFromEditTemplate($request)
{
$this->folderdata['data_content']['worldwide_access'] = $request['course_public_folder_worldwide_access'];
return parent::setDataFromEditTemplate($request);
}
/**
* Files in CoursePublicFolders are downloadable for all logged in users.
*
* @param string $file_id The ID to a FileRef.
* @param string $user_id The user who wishes to downlaod the file.
*
* @return bool
*/
public function isFileDownloadable($file_id, $user_id)
{
return $this->isVisible($user_id);
}
}
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