public function removeUsers()
{
$esus = new Dase_DBO_ExerciseSetUser($this->db);
$esus->set_id = $this->id;
foreach ($esus->findAll(1) as $esu) {
$esu->delete();
}
}
public function getSets()
{
$this->sets = array();
$sets = new Dase_DBO_ExerciseSet($this->db);
$sets->creator_eid = $this->eid;
$sets->orderBy('title');
foreach ($sets->findAll(1) as $s) {
$this->admin_sets[] = $s;
}
$esus = new Dase_DBO_ExerciseSetUser($this->db);
$esus->user_id = $this->id;
foreach ($esus->findAll(1) as $esu) {
$set = new Dase_DBO_ExerciseSet($this->db);
$set->load($esu->set_id);
$this->sets[] = $set;
}
usort($this->sets, array('Util', 'sortObjectsByTitle'));
//return $this->sets;
}