如何计算付款和应用程序的自定义折扣

如何解决如何计算付款和应用程序的自定义折扣

美好的一天

我正在“付款和应用程序”屏幕上进行自定义折扣计算。

折扣适用于原始发票余额 (ARInvoice.CuryDocBal) 乘以 discPecent 折扣 = OriginalInvoiceBalance * (CurrentCustomerTerms.discPercent.Value / 100);

主要区别在于 Acumatica 使用发票金额而不是余额。

在计算出我的折扣和付款并尝试发放付款后，我收到以下错误：

public void Calculate(PXCache cache,aradjust row)
        {
            try
            {

                if (row == null)
                    return;
                if (!(row.Released != true && row.Voided != true))
                    return;
                // row.AdjdRefNbr  current invoice
                ARPayment currentARPayment = this.Base.Document.Current;
                if (currentARPayment.DocType != "PMT" || currentARPayment.Status == "C")
                    return;
                if (row.AdjdDocType != "INV")
                    return;
                if (row.Selected != true)
                    return;

                Customer currentCustomer = this.Base.customer.Current;

                Terms CurrentCustomerTerms = PXSelect<
                    Terms,Where<Terms.termsID,Equal<required<Customer.termsID>>>>
                    .Select(Base,currentCustomer.TermsID);

                ARInvoice aRInvoicerow = PXSelect<
                    ARInvoice,Where<ARInvoice.docType,Equal<required<aradjust.adjdDocType>>,And<ARInvoice.refNbr,Equal<required<aradjust.adjdRefNbr>>>>>
                    .Select(Base,row.AdjdDocType,row.AdjdRefNbr);

                Termschecks checks = new Termschecks();
                // check if current row should get discount according to the date
                // bool inTerms = checks.checkIfdiscountshouldBeAplyed(row.AdjdDocDate.Value,CurrentCustomerTerms,currentARPayment.AdjDate.Value);

                bool inTerms = true; // hard code true for testing
                decimal? discount = 0;
                decimal? discountHalfCents = 0;
                decimal? OriginalInvoiceBalance = aRInvoicerow.CuryDocBal.Value;
                decimal? OriginalInvoiceCuryOrigdiscAmt = aRInvoicerow.CuryOrigdiscAmt.Value;
                decimal? discountWithOutHalfCents = 0;

                decimal? amountToBepaidbeforeround;

                //work out the discount 
                if (inTerms)
                {
                    if (CurrentCustomerTerms.discPercent.Value == 0)
                    {
                        discount = 0;
                    }
                    else
                    {
                        discount = OriginalInvoiceBalance * (CurrentCustomerTerms.discPercent.Value / 100);

                        discountWithOutHalfCents = Math.Truncate(100 * discount.Value) / 100;
                        discountHalfCents = discount - discountWithOutHalfCents;
                        amountToBepaidbeforeround = OriginalInvoiceBalance - discount;
                      
                    }
                }

                decimal? amountToBepaid;

                amountToBepaid = OriginalInvoiceBalance - discount;

                if ((amountToBepaid - discountHalfCents) > currentARPayment.CuryUnappliedBal)

                {
                    //set discount to 0 because full amount will not be payed
                    discount = 0;
                    // if the total amount that has been payed is greater or equals the amount the client payed no more money is left to pay this invoice
                    if (currentARPayment.CuryOrigDocAmt.Value <= currentARPayment.CuryUnappliedBal)
                    {
                        amountToBepaid = 0;
                    }
                    else
                    {

                        amountToBepaid = OriginalInvoiceBalance - (OriginalInvoiceBalance - currentARPayment.CuryUnappliedBal.Value);
                    }
                }

                decimal? Balance = OriginalInvoiceBalance - amountToBepaid - discount;
                decimal? CashdiscountBal = OriginalInvoiceCuryOrigdiscAmt - discount;
                row.CuryAdjgAmt = amountToBepaid;
                row.CuryAdjgPPdamt = discount;//Cash discount Taken

            }
            catch (System.Exception ex)
            {
                PXTrace.WriteError(ex);
            }

        }