72 lines
2.5 KiB
MySQL
72 lines
2.5 KiB
MySQL
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CREATE OR REPLACE FUNCTION paymentTermDiscount
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(
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Amount IN NUMBER,
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Currency_ID IN NUMBER,
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PaymentTerm_ID IN NUMBER,
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DocDate IN DATE,
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PayDate IN DATE
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)
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RETURN NUMBER
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/*************************************************************************
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* The contents of this file are subject to the Adempiere License. You may
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* obtain a copy of the License at http://www.adempiere.org/license.html
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* Software is on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either
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* express or implied. See the License for details. Code: Adempiere ERP+CRM
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* Copyright (C) 1999-2001 Jorg Janke, ComPiere, Inc. All Rights Reserved.
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*************************************************************************
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* $Id: C_PaymentTerm_Discount.sql,v 1.1 2006/04/21 17:51:58 jjanke Exp $
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***
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* Title: Calculate Discount
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* Description:
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* Calculate the allowable Discount Amount of the Payment Term
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*
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* Test: SELECT C_PaymentTerm_Discount(17777, 103, '10-DEC-1999') FROM DUAL
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************************************************************************/
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AS
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Discount NUMBER := 0;
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CURSOR Cur_PT IS
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SELECT *
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FROM C_PaymentTerm
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WHERE C_PaymentTerm_ID = PaymentTerm_ID;
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Discount1Date DATE;
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Discount2Date DATE;
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Add1Date NUMBER := 0;
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Add2Date NUMBER := 0;
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BEGIN
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-- No Data - No Discount
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IF (Amount IS NULL OR PaymentTerm_ID IS NULL OR DocDate IS NULL) THEN
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RETURN 0;
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END IF;
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FOR p IN Cur_PT LOOP -- for convineance only
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-- DBMS_OUTPUT.PUT_LINE(p.Name || ' - Doc = ' || TO_CHAR(DocDate));
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Discount1Date := TRUNC(DocDate + p.DiscountDays + p.GraceDays);
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Discount2Date := TRUNC(DocDate + p.DiscountDays2 + p.GraceDays);
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-- Next Business Day
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IF (p.IsNextBusinessDay='Y') THEN
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-- Not fully correct - only does weekends (7=Saturday, 1=Sunday)
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SELECT DECODE(TO_CHAR(Discount1Date,'D'), '7',2, '1',1, 0),
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DECODE(TO_CHAR(Discount2Date,'D'), '7',2, '1',1, 0)
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INTO Add1Date, Add2Date
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FROM DUAL;
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Discount1Date := Discount1Date+Add1Date;
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Discount2Date := Discount2Date+Add2Date;
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END IF;
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-- Discount 1
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IF (Discount1Date >= TRUNC(PayDate)) THEN
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-- DBMS_OUTPUT.PUT_LINE('Discount 1 ' || TO_CHAR(Discount1Date) || ' ' || p.Discount);
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Discount := Amount * p.Discount / 100;
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-- Discount 2
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ELSIF (Discount2Date >= TRUNC(PayDate)) THEN
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-- DBMS_OUTPUT.PUT_LINE('Discount 2 ' || TO_CHAR(Discount2Date) || ' ' || p.Discount2);
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Discount := Amount * p.Discount2 / 100;
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END IF;
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END LOOP;
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--
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RETURN ROUND(NVL(Discount,0), 2); -- fixed rounding
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END paymentTermDiscount;
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/
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