UFN_REVENUE_GETAMOUNTINCURRENCY

        CREATE function dbo.UFN_REVENUE_GETAMOUNTINCURRENCY
        (
            @REVENUEID uniqueidentifier,
            @CURRENCYID uniqueidentifier
        )
        returns money
        as
        begin
        declare @AMOUNT money = 0;

        if (@CURRENCYID is null) or (@CURRENCYID = dbo.UFN_CURRENCY_GETORGANIZATIONCURRENCY())
        begin
            select
                @AMOUNT = REVENUE.ORGANIZATIONAMOUNT
            from
                dbo.REVENUE
            where
                REVENUE.ID = @REVENUEID;
        end
        else
        begin
            declare @RECORDBASECURRENCYID uniqueidentifier;
            declare @RECORDDATE datetime;

            select
                @RECORDBASECURRENCYID = REVENUE.BASECURRENCYID,
                @RECORDDATE = REVENUE.DATEADDED
            from
                dbo.REVENUE
            where
                REVENUE.ID = @REVENUEID;

            if @CURRENCYID = @RECORDBASECURRENCYID
            begin
                select
                    @AMOUNT = REVENUE.AMOUNT
                from
                    dbo.REVENUE
                where
                    REVENUE.ID = @REVENUEID;
            end
            else
            begin
                declare @CURRENCYEXCHANGERATEID uniqueidentifier;

                set @CURRENCYEXCHANGERATEID = dbo.UFN_CURRENCYEXCHANGERATE_GETLATESTINCLUDEEXPIRED(dbo.UFN_CURRENCY_GETORGANIZATIONCURRENCY(), @CURRENCYID, @RECORDDATE, 1, null);
                if (@CURRENCYEXCHANGERATEID is not null)
                begin
                    select
                        @AMOUNT = dbo.UFN_CURRENCY_CONVERT(REVENUE.ORGANIZATIONAMOUNT, @CURRENCYEXCHANGERATEID)
                    from
                        dbo.REVENUE
                    where
                        REVENUE.ID = @REVENUEID;
                end
                else
                begin
                    set @CURRENCYEXCHANGERATEID = dbo.UFN_CURRENCYEXCHANGERATE_GETLATESTINCLUDEEXPIRED(@CURRENCYID, dbo.UFN_CURRENCY_GETORGANIZATIONCURRENCY(), @RECORDDATE, 1, null);

                    select
                        @AMOUNT = dbo.UFN_CURRENCY_CONVERTINVERSE(REVENUE.ORGANIZATIONAMOUNT, @CURRENCYEXCHANGERATEID)
                    from
                        dbo.REVENUE
                    where
                        REVENUE.ID = @REVENUEID;
                end
            end
        end    

        return @AMOUNT;
    end