function store()
{
$cache = StudipCacheFactory::getCache();
$cache->expire('course/undecorated_data/' . $this->range_id);
$this->chdate = time();
if ($this->ex_termin) {
$this->killAssign();
$this->killIssue();
}
// date_typ = 0 defaults to TERMIN_TYP[1] because there never exists one with zero
if (!$this->date_typ) {
$this->date_typ = 1;
}
if ($this->orig_ex != $this->ex_termin) {
SingleDateDB::deleteSingleDate($this->termin_id, $this->orig_ex);
}
return SingleDateDB::storeSingleDate($this);
}
