@AccessControl.authorizationCheck: #NOT_REQUIRED
@EndUserText.label: 'Milling charge'
define view entity {{P}}I_MILL_CHARGE
  with parameters
    p_min_charge : abap.dec( 15, 2 )
  as select from {{p}}milllot as lot
    inner join   {{p}}milljob as job on job.job_id = lot.job_id
{
  key job.job_id as job_id,
      job.farmer as farmer,
      count( * ) as lot_count,
      sum( lot.sacks ) as sack_count,
      sum( lot.sacks * lot.mill_rate ) as mill_amount,
      case when sum( lot.sacks * lot.mill_rate ) < $parameters.p_min_charge
           then $parameters.p_min_charge
           else sum( lot.sacks * lot.mill_rate )
      end as charge_amount
}
group by
  job.job_id,
  job.farmer