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<?php
/**
* NewsRoles.class.php - model class for the news roles
*
* 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 Sebastian Biller <s.biller@tu-braunschweig.de>
* @license http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
* @category Stud.IP
* @package admin
* @since 5.1
*
* @property string news_id database column
* @property int roleid database column
*/
class NewsRoles extends SimpleORMap
{
protected static function configure($config = [])
{
$config['db_table'] = 'news_roles';
$config['belongs_to']['news_ranges'] = [
'class_name' => StudipNews::class,
'foreign_key' => 'news_id',
];
parent::configure($config);
}
public static function checkUserAccess($news_id, $user_id = null)
{
$user_id = $user_id ?: (isset($GLOBALS['user']) ? $GLOBALS['user']->id : null);
$news_roles = self::getRoles($news_id);
if (!$news_roles) {
return true;
}
if (!$user_id) {
return false;
}
$user_roles = RolePersistence::getAssignedRoles($user_id, true);
foreach ($news_roles as $news_role) {
foreach ($user_roles as $user_role) {
if ($news_role->getRoleid() === $user_role->getRoleid()) {
return true;
}
}
}
return false;
}
public static function getRoles($news_id)
{
$news_roles = self::findBynews_id($news_id);
$news_role_ids = [];
foreach ($news_roles as $news_role) {
$news_role_ids[] = $news_role['roleid'];
}
$only_system_roles = Config::get()->NEWS_ONLY_SYSTEM_ROLES;
$roles = RolePersistence::getAllRoles();
$re = [];
foreach ($news_role_ids as $role_id) {
if (isset($roles[$role_id])) {
if ($only_system_roles && !$roles[$role_id]->getSystemtype()) {
continue;
}
$re[$role_id] = $roles[$role_id];
}
}
return $re;
}
public static function getAvailableRoles($news_id = null)
{
$news_role_ids = [];
if ($news_id) {
$news_roles = self::findBynews_id($news_id);
foreach ($news_roles as $news_role) {
$news_role_ids[] = $news_role['roleid'];
}
}
$only_system_roles = Config::get()->NEWS_ONLY_SYSTEM_ROLES;
$roles = RolePersistence::getAllRoles();
$rolesStats = RolePersistence::getStatistics();
$re = [];
foreach ($roles as $key => $role) {
if (!in_array($key, $news_role_ids)) {
if ($only_system_roles && !$role->getSystemtype()) {
continue;
}
if ($rolesStats[$role->getRoleid()]['explicit'] + $rolesStats[$role->getRoleid()]['implicit'] == 0) {
continue;
}
$re[$key] = $role;
}
}
return $re;
}
public static function update($news_id, $new_roles)
{
self::deleteBynews_id($news_id);
if ($new_roles) {
foreach ($new_roles as $new_role) {
$NewsRoles = new self();
$NewsRoles->news_id = $news_id;
$NewsRoles->roleid = $new_role;
$NewsRoles->store();
}
}
}
public static function load($new_roles)
{
$roles = RolePersistence::getAllRoles();
return array_filter(array_map(
function ($role_id) use ($roles) {
if (!isset($roles[$role_id])) {
return false;
}
return [$role_id, $roles[$role_id]];
},
$new_roles
));
}
}
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