core-jgi/migration/oracle/312-313/011_PAYMENTTERMDUEDAYS.sql

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CREATE OR REPLACE FUNCTION paymentTermDueDays
(
PaymentTerm_ID IN NUMBER,
DocDate IN DATE,
PayDate IN DATE
)
RETURN NUMBER
/*************************************************************************
* The contents of this file are subject to the Compiere License. You may
* obtain a copy of the License at http://www.compiere.org/license.html
* Software is on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either
* express or implied. See the License for details. Code: Compiere ERP+CRM
* Copyright (C) 1999-2001 Jorg Janke, ComPiere, Inc. All Rights Reserved.
*************************************************************************
* $Id: C_PaymentTerm_DueDays.sql,v 1.1 2006/04/21 17:51:58 jjanke Exp $
***
* Title: Get Due Days
* Description:
* Returns the days due (positive) or the days till due (negative)
* Grace days are not considered!
* If record is not found it assumes due immediately
*
* Test: SELECT paymentTermDueDays(103, '01-DEC-2000', '15-DEC-2000') FROM DUAL
*
* Contributor(s): Carlos Ruiz - globalqss - match with SQLJ version
************************************************************************/
AS
Days NUMBER := 0;
DueDate DATE := NULL;
calDueDate DATE;
FixMonthOffset C_PaymentTerm.FixMonthOffset%TYPE;
MaxDayCut NUMBER;
MaxDay NUMBER;
v_PayDate DATE;
--
CURSOR Cur_PT IS
SELECT *
FROM C_PaymentTerm
WHERE C_PaymentTerm_ID = PaymentTerm_ID;
FirstDay DATE;
NoDays NUMBER;
BEGIN
IF PaymentTerm_ID = 0 OR DocDate IS NULL THEN
RETURN 0;
END IF;
v_PayDate := PayDate;
IF v_PayDate IS NULL THEN
v_PayDate := TRUNC(SYSDATE);
END IF;
FOR p IN Cur_PT LOOP -- for convineance only
-- DBMS_OUTPUT.PUT_LINE(p.Name || ' - Doc = ' || TO_CHAR(DocDate));
-- Due 15th of following month
IF (p.IsDueFixed = 'Y') THEN
-- DBMS_OUTPUT.PUT_LINE(p.Name || ' - Day = ' || p.FixMonthDay);
FirstDay := TRUNC(DocDate, 'MM');
NoDays := TRUNC(DocDate) - FirstDay;
DueDate := FirstDay + (p.FixMonthDay-1); -- starting on 1st
DueDate := ADD_MONTHS(DueDate, p.FixMonthOffset);
IF (NoDays > p.FixMonthCutoff) THEN
DueDate := ADD_MONTHS(DueDate, 1);
END IF;
calDueDate := TRUNC(DocDate);
MaxDayCut := TO_NUMBER (TO_CHAR (LAST_DAY (calDueDate), 'dd'));
IF p.FixMonthCutoff > MaxDayCut THEN
calDueDate := LAST_DAY(TRUNC(calDueDate));
ELSE
-- set day fixmonthcutoff on duedate
calDueDate := TO_DATE ( SUBSTR (TO_CHAR (TRUNC (calDueDate), 'yyyymmdd'), 1, 6)
|| LPAD (TO_CHAR (p.FixMonthCutoff), 2, '0'),
'yyyymmdd'
);
END IF;
FixMonthOffset := p.FixMonthOffset;
IF DocDate > calDueDate THEN
FixMonthOffset := FixMonthOffset + 1;
END IF;
calDueDate := ADD_MONTHS(calDueDate, FixMonthOffset);
MaxDay := TO_NUMBER (TO_CHAR (LAST_DAY (calDueDate), 'dd'));
IF (p.FixMonthDay > MaxDay) -- 32 -> 28
OR (p.FixMonthDay >= 30 AND MaxDay > p.FixMonthDay) THEN -- 30 -> 31
calDueDate := TO_DATE ( SUBSTR (TO_CHAR (TRUNC (calDueDate), 'yyyymmdd'), 1, 6)
|| LPAD (TO_CHAR (MaxDay), 2, '0'),
'yyyymmdd'
);
ELSE
calDueDate := TO_DATE ( SUBSTR (TO_CHAR (TRUNC (calDueDate), 'yyyymmdd'), 1, 6)
|| LPAD (TO_CHAR (p.FixMonthDay), 2, '0'),
'yyyymmdd'
);
END IF;
DueDate := calDueDate;
ELSE
-- DBMS_OUTPUT.PUT_LINE('Net = ' || p.NetDays);
DueDate := TRUNC(DocDate) + p.NetDays;
END IF;
END LOOP;
-- DBMS_OUTPUT.PUT_LINE('Due = ' || TO_CHAR(DueDate) || ', Pay = ' || TO_CHAR(v_PayDate));
IF DueDate IS NULL THEN
RETURN 0;
END IF;
Days := TRUNC(v_PayDate) - DueDate;
RETURN Days;
END paymentTermDueDays;
/