OEModule\OphCiExamination\components\OphCiExamination_API::getMostRecentVAElementForPatient PHP Method

    public function getMostRecentVAElementForPatient(\Patient $patient)
    {
        $event_type = $this->getEventType();
        $criteria = new \CDbCriteria();
        $criteria->select = '*';
        $criteria->join = 'join episode on t.episode_id = episode.id and patient_id = :patient_id and event_type_id = :event_type_id';
        $criteria->order = 't.event_date desc';
        $criteria->condition = 't.deleted != 1';
        $criteria->params = array(':patient_id' => $patient->id, ':event_type_id' => $event_type->id);
        foreach (\Event::model()->findAll($criteria) as $event) {
            $result_element = models\Element_OphCiExamination_VisualAcuity::model()->with('event')->find('event_id=?', array($event->id));
            if ($result_element !== null) {
                return array('element' => $result_element, 'event_date' => date($event->created_date));
            }
        }
        return false;
    }