@AccessControl.authorizationCheck: #NOT_REQUIRED
@EndUserText.label: 'Table fee of a visit'
define view entity {{P}}I_VISIT_FEE
  with parameters p_rate : abap.dec( 5, 2 )
  as select from {{p}}visit as v
    inner join   {{p}}area  as a on a.area_id = v.area_id
{
  key v.visit_id                      as visit_id,
      v.guest                         as guest,
      a.area_name                     as area_name,
      v.num_hours                     as num_hours,
      v.num_hours * $parameters.p_rate as fee
}
where v.visit_state <> 'O'