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<?php
/**
* ResourcePermission.php - model class for resource permissions.
*
* Description of the resources permission system:
* - admin: An admin may do everything in the resource management:
* edit resource bookings and resources.
* - tutor: A tutor may edit all resource bookings.
* - autor: An autor may edit his own resource bookings only.
* - user: A user may read internal comments on resource bookings.
*
* 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 Moritz Strohm <strohm@data-quest.de>
* @copyright 2017-2019
* @license http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
* @category Stud.IP
* @package resources
* @since 4.5
*
* @property array $id alias for pk
* @property string $user_id database column
* @property string $resource_id database column
* @property string $perms database column
* @property int $mkdate database column
* @property int $chdate database column
* @property User $user belongs_to User
* @property Resource $resource belongs_to Resource
*/
class ResourcePermission extends SimpleORMap implements PrivacyObject
{
protected static function configure($config = [])
{
$config['db_table'] = 'resource_permissions';
$config['belongs_to']['user'] = [
'class_name' => User::class,
'foreign_key' => 'user_id',
'assoc_func' => 'find'
];
$config['belongs_to']['resource'] = [
'class_name' => Resource::class,
'foreign_key' => 'resource_id',
'assoc_func' => 'find'
];
$config['registered_callbacks']['before_store'][] = 'cbLogChanges';
$config['registered_callbacks']['before_delete'][] = 'cbLogDeletion';
$config['registered_callbacks']['after_store'][] = 'cbUpdateCache';
$config['registered_callbacks']['before_delete'][] = 'cbUpdateCache';
parent::configure($config);
}
/**
* @inheritDoc
*/
public static function exportUserData(StoredUserData $storage)
{
$user = User::find($storage->user_id);
$permissions = self::findBySql(
'user_id = :user_id ORDER BY mkdate',
[
'user_id' => $storage->user_id
]
);
$rows = [];
foreach ($permissions as $permission) {
$rows[] = $permission->toRawArray();
}
$storage->addTabularData(
_('Berechtigungen an Ressourcen'),
self::$config['db_table'],
$rows,
$user
);
}
/**
* This is a callback method to create an entry in the Stud.IP log
* when a ResourcePermission object is stored.
*/
public function cbLogChanges()
{
if ($this->isNew()) {
//Insert
if ($this->resource_id == 'global') {
//Global permissions
StudipLog::log(
'RES_PERM_CHANGE',
$this->resource_id,
$this->user_id,
sprintf(
_('Globale Berechtigungen für %1$s (Rechtestufe %2$s) hinzugefügt.'),
$this->user->username,
$this->perms
)
);
} elseif ($this->resource_id) {
//Resource-specific permissions
StudipLog::log(
'RES_PERM_CHANGE',
$this->resource_id,
$this->user_id,
sprintf(
_('%1$s: Hinzufügen von Berechtigungen für %2$s (Rechtestufe %3$s).'),
$this->resource->getDerivedClassInstance()->getFullName(),
$this->user->username,
$this->perms
)
);
} else {
throw new ResourcePermissionException(
_('Berechtigungen müssen mit bestimmten Ressourcen verknüpft sein, bevor sie gespeichert werden!')
);
}
} else {
//Update?
if ($this->content_db['perms'] != $this->perms) {
//Update!
if ($this->resource_id == 'global') {
StudipLog::log(
'RES_PERM_CHANGE',
$this->resource_id,
$this->user_id,
sprintf(
_('Globale Berechtigungen für %1$s von %2$s auf %3$s geändert.'),
$this->user->username,
$this->content_db['perms'],
$this->perms
)
);
} else {
StudipLog::log(
'RES_PERM_CHANGE',
$this->resource_id,
$this->user_id,
sprintf(
_('%1$s: Änderung der Berechtigungen für %2$s von %3$s auf %4$s.'),
$this->resource->getFullName(),
$this->user->username,
$this->content_db['perms'],
$this->perms
)
);
}
}
}
}
/**
* This is a callback method to create an entry in the Stud.IP log
* when a ResourcePermission object is deleted.
*/
public function cbLogDeletion()
{
if ($this->resource_id == 'global') {
StudipLog::log(
'RES_PERM_CHANGE',
$this->resource_id,
$this->user_id,
sprintf(
_('Globale Berechtigungen für %1$s (Rechtestufe %2$s) gelöscht.'),
$this->user->username,
$this->perms
)
);
} else {
StudipLog::log(
'RES_PERM_CHANGE',
$this->resource_id,
$this->user_id,
sprintf(
_('%1$s: Löschen der Berechtigungen für %2$s (Rechtestufe %3$s).'),
$this->resource->getFullName(),
$this->user->username,
$this->perms
)
);
}
}
/**
* This will clear the cache for RoomManager::userHasRooms()
*/
public function cbUpdateCache(): void
{
RoomManager::clearCacheForUser($this->user);
}
}
|
