compile subroutine rds_time_valid(ConvType, DataIo, Branch, ReturnedValue)
begin condition
pre:
post:
end condition

$insert logical
$insert msg_equates
declare function msg, get_property, set_property
equ valid$         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)
* this is used so the time_in and time_out entries must be AM or PM 
* according to the current time.

ReturnedValue = DataIo
DataIo = iconv( DataIo, 'MT' ) ;* ICONVERT IT IN ORDER TO DO NUMERIC COMPARISON
status() = Valid$
AMTime1 = iconv( '12:00:00AM', 'MT' )
AMTime2 = iconv( '11:59:59AM', 'MT' )
PMTime1 = iconv( '12:00:00PM', 'MT' )
PMTime2 = iconv( '11:59:00PM', 'MT' )
*
RightNow = time()
begin case
   case ConvType = 'ICONV'
      if ( RightNow >= AMTime1 ) and ( RightNow <= AMTime2 ) then
         * AM
         if ( DataIo >= AMTime1 ) and ( DataIo <= AMTime2 ) then
            * they entered the time in AM hours and is ok
         end else
            MsgInfo = ''
            MsgInfo<mtext$> = 'We are currently in the AM hours...Please verify that you are entering the correct time.'
            MsgInfo<micon$> = 'H'
            Void = msg( '', MsgInfo ) 
            *status() = invalid_nomsg$
            *just warn do not force
         end
      end else
         * PM
         if ( DataIo >= PMTime1 ) and ( DataIo <= PMTime2 ) then
            * they entered the time in PM hours and is ok
         end else
            MsgInfo = ''
            MsgInfo<mtext$> = 'We are currently in the PM hours...Please verify that you are entering the correct time.'
            MsgInfo<micon$> = 'H'
            Void = msg( '', MsgInfo ) 
            *status() = invalid_nomsg$
            *just warn do not force            
         end
      end
   case ConvType = 'OCONV'
      * no output
      ReturnedValue = DataIo
   case otherwise$
      ReturnedValue = ''
      status() = invalid_conv$
end case
return