protected function buildCriteria()
{
if (is_null($this->filters)) {
$this->filters = $this->configuration->getFilterForm($this->getFilters());
}
$criteria = $this->filters->buildCriteria($this->getFilters());
$event = $this->dispatcher->filter(new sfEvent($this, 'admin.build_criteria'), $criteria);
$criteria = $event->getReturnValue();
$disapproved_students = StudentPeer::getDisapprovedStudents();
$ids = array();
foreach ($disapproved_students as $ds) {
$ids[] = $ds->getId();
}
$criteria->add(StudentPeer::ID, $ids, Criteria::IN);
$total_criteria_desaprobados = count(StudentPeer::doSelect($criteria));
$total_alumnos = count(StudentPeer::doSelect(new Criteria()));
$this->getUser()->setAttribute('students_count', $total_criteria_desaprobados);
$this->getUser()->setAttribute('students_percentaje', $total_criteria_desaprobados * 100 / $total_alumnos);
return $criteria;
}
