compile subroutine recipe_psn_valid(ConvType, DataIo, Branch, ReturnedValue)
begin condition
pre:
post:
end condition
declare function msg, get_property, set_property
declare subroutine extract_si_keys

$insert logical
$insert msg_equates
$insert prod_spec_equ

equ valid$         to 0    ;* successful
equ invalid_msg$   to 1    ;* bad data       -   print error message window
equ invalid_conv$  to 2    ;* bad conversion -          "         "
equ invalid_nomsg$ to 3    ;* bad but do not print the error message window
equ CrLf$          to char(13):char(10)

ReturnedValue = DataIo       
status() = Valid$
begin case
   case ConvType = 'ICONV'
      CurRecipeNo = get_property( @window:'.RECIPE_NO', 'TEXT' )
      PSNId = DataIo
      PSNRecipeNo = xlate( 'PROD_SPEC', PSNId, 'RECIPE_NO', 'X' )
      if ( PSNRecipeNo = CurRecipeNo ) then
         * VALIDATED OK THE CURRENT PSN THEY ARE ENTERING USES THE CURRENT RECIPE
      end else
			MsgInfo = ''
			MsgInfo<mtext$> = 'PSN ':quote(PSNId):' does not currently use recipe ':quote(CurRecipeNo):'.'
			MsgInfo<micon$> = 'H'
			Void = msg( '', MsgInfo )
			status() = invalid_nomsg$
		end
   case ConvType = 'OCONV'
      * no output
      ReturnedValue = DataIo
   case otherwise$
      ReturnedValue = ''
      status() = invalid_conv$
end case
return
