sub collect_data {
    my $self = shift;
    my( $page_data, $errors ) = valiDaaTTTee( $self->query, $validationProfile )
    if( $errors ){
        return $self->tt_process('collect_data.tt', $errors );
    } else {
        $self->validated_session( $page_data );
        return $self->redirect( $self->url_for('display) ); 
    }
}