100 lines
3.0 KiB
MySQL
100 lines
3.0 KiB
MySQL
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-- June 6, 2014 18:32:00 PM SGT
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-- IDEMPIERE-1856 Amount in database functions and views are hardcoded to round to 2 decimal points
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create or replace FUNCTION paymenttermDiscount
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(
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Amount NUMERIC,
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Currency_ID NUMERIC,
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PaymentTerm_ID NUMERIC,
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DocDate timestamp with time zone,
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PayDate timestamp with time zone
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)
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RETURNS NUMERIC AS $body$
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/*************************************************************************
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* The contents of this file are subject to the Compiere License. You may
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* obtain a copy of the License at http://www.compiere.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: Compiere 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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* converted to postgreSQL by Karsten Thiemann (Schaeffer AG),
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* kthiemann@adempiere.org
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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 paymenttermDiscount(110, 103, 106, now(), now()) FROM TEST; => 2.20
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************************************************************************/
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DECLARE
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v_Precision NUMERIC := 0;
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v_Currency NUMERIC := 0;
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v_Min NUMERIC := 0;
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Discount NUMERIC := 0;
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Discount1Date timestamp with time zone;
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Discount2Date timestamp with time zone;
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Add1Date NUMERIC := 0;
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Add2Date NUMERIC := 0;
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p RECORD;
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BEGIN
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v_Currency := Currency_ID;
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IF (v_Currency = 0) THEN
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SELECT COALESCE(MAX(C_Currency_ID),0)
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INTO v_Currency
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FROM AD_ClientInfo ci, C_AcctSchema s, C_PaymentTerm pt
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WHERE ci.AD_Client_ID = s.AD_Client_ID
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AND ci.AD_Client_ID = pt.AD_Client_ID
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AND pt.C_PaymentTerm_ID = PaymentTerm_ID;
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END IF;
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SELECT StdPrecision
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INTO v_Precision
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FROM C_Currency
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WHERE C_Currency_ID = v_Currency;
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SELECT 1/10^v_Precision INTO v_Min;
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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
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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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LOOP -- for convineance only
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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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Discount1Date := nextBusinessDay(Discount1Date, p.AD_Client_ID);
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Discount2Date := nextBusinessDay(Discount2Date, p.AD_Client_ID);
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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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Discount := Amount * p.Discount / 100;
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-- Discount 2
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ELSIF (Discount2Date >= TRUNC(PayDate)) THEN
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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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-- Ignore Rounding
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IF (Discount > -v_Min AND Discount < v_Min) THEN
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Discount := 0;
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END IF;
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-- Round to currency precision
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Discount := ROUND(COALESCE(Discount,0), v_Precision);
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RETURN Discount;
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END;
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$body$ LANGUAGE plpgsql;
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SELECT register_migration_script('201406061832_IDEMPIERE-1856.sql') FROM dual
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;
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