OEModule\OphCoCvi\components\OphCoCvi_Manager::handleDateRangeFilter PHP Method

    private function handleDateRangeFilter(\CDbCriteria $criteria, $filter = array())
    {
        $from = null;
        if (isset($filter['date_from'])) {
            $from = \Helper::convertNHS2MySQL($filter['date_from']);
        }
        $to = null;
        if (isset($filter['date_to'])) {
            $to = \Helper::convertNHS2MySQL($filter['date_to']);
        }
        if ($from && $to) {
            if ($from > $to) {
                $criteria->addBetweenCondition('event.event_date', $to, $from);
            } else {
                $criteria->addBetweenCondition('event.event_date', $from, $to);
            }
        } elseif ($from) {
            $criteria->addCondition('event.event_date >= :from');
            $criteria->params[':from'] = $from;
        } elseif ($to) {
            $criteria->addCondition('event.event_date <= :to');
            $criteria->params[':to'] = $to;
        }
    }