50 lines
1.7 KiB
PL/PgSQL
50 lines
1.7 KiB
PL/PgSQL
CREATE OR REPLACE FUNCTION paymenttermduedate (in paymentterm_id numeric, in docdate timestamptz) RETURNS timestamptz AS
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$BODY$
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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: Get Due timestamp with time zone
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* Description:
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* Returns the due timestamp with time zone
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* Test:
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* select paymenttermDueDate(106, now()) from Test; => now()+30 days
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************************************************************************/
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DECLARE
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Days NUMERIC := 0;
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DueDate timestamp with time zone := TRUNC(DocDate);
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--
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FirstDay timestamp with time zone;
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NoDays NUMERIC;
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p RECORD;
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BEGIN
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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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-- Due 15th of following month
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IF (p.IsDueFixed = 'Y') THEN
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FirstDay := TRUNC(DocDate, 'MM');
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NoDays := EXTRACT(day FROM TRUNC(DocDate) - FirstDay);
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DueDate := FirstDay + (p.FixMonthDay-1); -- starting on 1st
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DueDate := ADD_MONTHS(DueDate, p.FixMonthOffset);
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IF (NoDays > p.FixMonthCutoff) THEN
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DueDate := ADD_MONTHS(DueDate, 1);
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END IF;
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ELSE
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DueDate := TRUNC(DocDate) + p.NetDays;
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END IF;
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END LOOP;
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RETURN DueDate;
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END;
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$BODY$
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LANGUAGE 'plpgsql'
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;
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