SELECT 	Users.id, active,
		accesscode_id, registeredon,
		email, lastlogin, logincount, 
		(SELECT accesscode 
			FROM passport_accesscodes 
			WHERE id=accesscode_id) AS code,
		(SELECT name 
			FROM member_groups AS Groups
			LEFT JOIN membergroup_names AS Groupnames ON Groups.user_group = Groupnames.id
			WHERE Groups.member = 604 AND Groups.rank = 0) AS primarygroup,
		(SELECT COUNT(DISTINCT item_id)
			FROM passport_tracking
			WHERE user_id = 604 AND trackingtype = 1) AS downloads
FROM passport_accesscoderegistry AS Registry
LEFT JOIN users AS Users ON Users.id = Registry.user_id
LEFT JOIN user_attributes AS Profile ON Profile.internalKey = Registry.user_id
WHERE Registry.user_id = 604
;

class passportAccessCodeRegistryGetListProcessor extends modObjectGetListProcessor {

    public $classKey = 'passportAccessCodeRegistry';
    public $languageTopics = array('passport:default');
    public $defaultSortField = 'registeredon';
    public $defaultSortDirection = 'DESC';
    public $objectType = 'passport.usage';

    public function prepareQueryBeforeCount(xPDOQuery $c) {
        $c->leftJoin('modUser','modUser','modUser.id = passportAccessCodeRegistry.user_id');
        $c->leftJoin('modUserProfile','Profile','Profile.internalKey = passportAccessCodeRegistry.user_id');
        return $c;
    }

    public function prepareQueryAfterCount(xPDOQuery $c) {
        $c->select($this->modx->getSelectColumns('passportAccessCodeRegistry','passportAccessCodeRegistry'));
        $c->select($this->modx->getSelectColumns('modUser','modUser','',array('id','active','primary_group')));
        $c->select($this->modx->getSelectColumns('modUserProfile','Profile','',array('id','internalKey','email','lastlogin','logincount')));
        return $c;
    }

    public function prepareRow(xPDOObject $object) {
        $objectArray = $object->toArray();
    }

}