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<?php
namespace Courseware;
use User;
/**
* Courseware's tasks.
*
* @author Ron Lucke <lucke@elan-ev.de>
* @license GPL2 or any later version
*
* @since Stud.IP 5.1
*
* @property int $id database column
* @property string $seminar_id database column
* @property string $lecturer_id database column
* @property int $target_id database column
* @property int $task_template_id database column
* @property int $solver_may_add_blocks database column
* @property string $title database column
* @property int $mkdate database column
* @property int $chdate database column
* @property \SimpleORMapCollection|Task[] $tasks has_many Task
* @property \User $lecturer belongs_to \User
* @property \Course $course belongs_to \Course
*/
class TaskGroup extends \SimpleORMap implements \PrivacyObject
{
protected static function configure($config = [])
{
$config['db_table'] = 'cw_task_groups';
$config['belongs_to']['lecturer'] = [
'class_name' => User::class,
'foreign_key' => 'lecturer_id',
];
$config['belongs_to']['course'] = [
'class_name' => \Course::class,
'foreign_key' => 'seminar_id',
];
$config['has_many']['tasks'] = [
'class_name' => Task::class,
'assoc_foreign_key' => 'task_group_id',
'on_delete' => 'delete',
'on_store' => 'store',
'order_by' => 'ORDER BY mkdate',
];
parent::configure($config);
}
public function getSolvers(): iterable
{
$solvers = $this->tasks->pluck('solver');
return $solvers;
}
/**
* Export available data of a given user into a storage object
* (an instance of the StoredUserData class) for that user.
*
* @param StoredUserData $storage object to store data into
*/
public static function exportUserData(\StoredUserData $storage)
{
$task_groups = \DBManager::get()->fetchAll(
'SELECT * FROM cw_task_groups WHERE lecturer_id = ?',
[$storage->user_id]
);
if ($task_groups) {
$storage->addTabularData(_('Courseware Aufgaben'), 'cw_task_groups', $task_groups);
}
}
}
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