UserTable::getMap

static function getMap()
{
	$result = parent::getMap();

	$result[] = new ExpressionField(
		'IS_BUSY',
		'case when exists (
			select 
				'x' 
			from
				b_voximplant_call c
				inner join b_voximplant_call_user cu on cu.CALL_ID = c.CALL_ID
			where
				c.LAST_PING > date_sub(now(), interval 7 minute) 
				AND c.STATUS in ('waiting', 'connecting', 'connected')
				AND cu.USER_ID = %s  
				AND 
					(
						cu.STATUS = 'connected'
						OR
						cu.INSERTED > date_sub(now(), interval 2 minute)
					)
			) then 'Y' else 'N' end',
		['ID'],
		['data_type' => 'boolean', 'values' => ['N', 'Y']]
	);

	return $result;
}