invoicewriteoff.java

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/******************************************************************************
 * The contents of this file are subject to the   Compiere License  Version 1.1
 * ("License"); You may not use this file except in compliance with the License
 * You may obtain a copy of the License at http://www.compiere.org/license.html
 * Software distributed under the License is distributed on an  "AS IS"  basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
 * the specific language governing rights and limitations under the License.
 * The Original Code is Compiere ERP & CRM Smart Business Solution. The Initial
 * Developer of the Original Code is Jorg Janke. Portions created by Jorg Janke
 * are Copyright (C) 1999-2005 Jorg Janke.
 * All parts are Copyright (C) 1999-2005 ComPiere, Inc.  All Rights Reserved.
 * Contributor(s): ______________________________________.
 *****************************************************************************/
package org.compiere.process;

import java.math.*;
import java.sql.*;
import java.util.logging.*;
import org.compiere.model.*;
import org.compiere.util.*;

/**
 *	Write-off Open Invoices
 *	
 *  @author Jorg Janke
 *  @version $Id: InvoiceWriteOff.java,v 1.9 2005/11/28 03:36:02 jjanke Exp $
 */
public class InvoiceWriteOff extends SvrProcess
{
	/**	BPartner				*/
	private int			p_C_BPartner_ID = 0;
	/** BPartner Group			*/
	private int			p_C_BP_Group_ID = 0;
	/**	Invoice					*/
	private int			p_C_Invoice_ID = 0;
	
	/** Max Amt					*/
	private BigDecimal	p_MaxInvWriteOffAmt = Env.ZERO;
	/** AP or AR				*/
	private String		p_APAR = "R";
	private static String	ONLY_AP = "P";
	private static String	ONLY_AR = "R";
	
	/** Invoice Date From		*/
	private Timestamp	p_DateInvoiced_From = null;
	/** Invoice Date To			*/
	private Timestamp	p_DateInvoiced_To = null;
	/** Accounting Date			*/
	private Timestamp	p_DateAcct = null;
	/** Create Payment			*/
	private boolean		p_CreatePayment = false;
	/** Bank Account			*/
	private int			p_C_BankAccount_ID = 0;
	/** Simulation				*/
	private boolean		p_IsSimulation = true;

	/**	Allocation Hdr			*/
	private MAllocationHdr	m_alloc = null;
	/**	Payment					*/
	private MPayment		m_payment = null;
	
	/**
	 *  Prepare - e.g., get Parameters.
	 */
	protected void prepare()
	{
		ProcessInfoParameter[] para = getParameter();
		for (int i = 0; i < para.length; i++)
		{
			String name = para[i].getParameterName();
			if (para[i].getParameter() == null)
				;
			else if (name.equals("C_BPartner_ID"))
				p_C_BPartner_ID = para[i].getParameterAsInt();
			else if (name.equals("C_BP_Group_ID"))
				p_C_BP_Group_ID = para[i].getParameterAsInt();
			else if (name.equals("C_Invoice_ID"))
				p_C_Invoice_ID = para[i].getParameterAsInt();
			//
			else if (name.equals("MaxInvWriteOffAmt"))
				p_MaxInvWriteOffAmt = (BigDecimal)para[i].getParameter();
			else if (name.equals("APAR"))
				p_APAR = (String)para[i].getParameter();
			//
			else if (name.equals("DateInvoiced"))
			{
				p_DateInvoiced_From = (Timestamp)para[i].getParameter();
				p_DateInvoiced_To = (Timestamp)para[i].getParameter_To();
			}
			else if (name.equals("DateAcct"))
				p_DateAcct = (Timestamp)para[i].getParameter();
			//
			else if (name.equals("CreatePayment"))
				p_CreatePayment = "Y".equals(para[i].getParameter());
			else if (name.equals("C_BankAccount_ID"))
				p_C_BankAccount_ID = para[i].getParameterAsInt();
			//
			else if (name.equals("IsSimulation"))
				p_IsSimulation = "Y".equals(para[i].getParameter());
			else
				log.log(Level.SEVERE, "Unknown Parameter: " + name);
		}
	}	//	prepare

	/**
	 * 	Execute
	 *	@return message
	 *	@throws Exception
	 */
	protected String doIt () throws Exception
	{
		log.info("C_BPartner_ID=" + p_C_BPartner_ID 
			+ ", C_BP_Group_ID=" + p_C_BP_Group_ID
			+ ", C_Invoice_ID=" + p_C_Invoice_ID
			+ "; APAR=" + p_APAR
			+ ", " + p_DateInvoiced_From + " - " + p_DateInvoiced_To
			+ "; CreatePayment=" + p_CreatePayment
			+ ", C_BankAccount_ID=" + p_C_BankAccount_ID);
		//
		if (p_C_BPartner_ID == 0 && p_C_Invoice_ID == 0 && p_C_BP_Group_ID == 0)
			throw new CompiereUserError ("@FillMandatory@ @C_Invoice_ID@ / @C_BPartner_ID@ / ");
		//
		if (p_CreatePayment && p_C_BankAccount_ID == 0)
			throw new CompiereUserError ("@FillMandatory@  @C_BankAccount_ID@");
		//
		StringBuffer sql = new StringBuffer(
			"SELECT C_Invoice_ID,DocumentNo,DateInvoiced,"
			+ " C_Currency_ID,GrandTotal, invoiceOpen(C_Invoice_ID, 0) AS OpenAmt "
			+ "FROM C_Invoice WHERE ");
		if (p_C_Invoice_ID != 0)
			sql.append("C_Invoice_ID=").append(p_C_Invoice_ID);
		else
		{
			if (p_C_BPartner_ID != 0)
				sql.append("C_BPartner_ID=").append(p_C_BPartner_ID);
			else
				sql.append("EXISTS (SELECT * FROM C_BPartner bp WHERE C_Invoice.C_BPartner_ID=bp.C_BPartner_ID AND bp.C_BP_Group_ID=")
					.append(p_C_BP_Group_ID).append(")");
			//
			if (ONLY_AR.equals(p_APAR))
				sql.append(" AND IsSOTrx='Y'");
			else if (ONLY_AP.equals(p_APAR))
				sql.append(" AND IsSOTrx='N'");
			//
			if (p_DateInvoiced_From != null && p_DateInvoiced_To != null)
				sql.append(" AND TRIM(DateInvoiced) BETWEEN ")
					.append(DB.TO_DATE(p_DateInvoiced_From, true))
					.append(" AND ")
					.append(DB.TO_DATE(p_DateInvoiced_To, true));
			else if (p_DateInvoiced_From != null)
				sql.append(" AND TRIM(DateInvoiced) >= ")
					.append(DB.TO_DATE(p_DateInvoiced_From, true));
			else if (p_DateInvoiced_To != null)
				sql.append(" AND TRIM(DateInvoiced) <= ")
					.append(DB.TO_DATE(p_DateInvoiced_To, true));
		}
		sql.append(" AND IsPaid='N' ORDER BY C_Currency_ID, C_BPartner_ID, DateInvoiced");
		log.finer(sql.toString());
		//
		int counter = 0;
		PreparedStatement pstmt = null;
		try
		{
			pstmt = DB.prepareStatement (sql.toString(), get_TrxName());
			ResultSet rs = pstmt.executeQuery ();
			while (rs.next ())
			{
				if (writeOff(rs.getInt(1), rs.getString(2), rs.getTimestamp(3),
					rs.getInt(4), rs.getBigDecimal(6)));
					counter++;
			}
			rs.close ();
			pstmt.close ();
			pstmt = null;
		} 
		catch (Exception e)
		{
			log.log(Level.SEVERE, sql.toString(), e);
		}
		try
		{
			if (pstmt != null)
				pstmt.close ();
			pstmt = null;
		} 
		catch (Exception e)
		{
			pstmt = null;
		}
		//	final
		processPayment();
		processAllocation();
		return "#" + counter;
	}	//	doIt

	/**
	 * 	Write Off
	 *	@param C_Invoice_ID invoice
	 *	@param DocumentNo doc no
	 *	@param DateInvoiced date
	 *	@param C_Currency_ID currency
	 *	@param OpenAmt open amt
	 *	@return true if written off
	 */
	private boolean writeOff (int C_Invoice_ID, String DocumentNo, Timestamp DateInvoiced, 
		int C_Currency_ID, BigDecimal OpenAmt)
	{
		//	Nothing to do
		if (OpenAmt == null || OpenAmt.signum() == 0)
			return false;
		if (OpenAmt.abs().compareTo(p_MaxInvWriteOffAmt) >= 0)
			return false;
		//
		if (p_IsSimulation)
		{
			addLog(C_Invoice_ID, DateInvoiced, OpenAmt, DocumentNo);
			return true;
		}
		
		//	Invoice
		MInvoice invoice = new MInvoice(getCtx(), C_Invoice_ID, get_TrxName());
		if (!invoice.isSOTrx())
			OpenAmt = OpenAmt.negate();
		
		//	Allocation
		if (m_alloc == null || C_Currency_ID != m_alloc.getC_Currency_ID())
		{
			processAllocation();
			m_alloc = new MAllocationHdr (getCtx(), true, 
				p_DateAcct, C_Currency_ID,
				getProcessInfo().getTitle() + " #" + getAD_PInstance_ID(), get_TrxName());
			m_alloc.setAD_Org_ID(invoice.getAD_Org_ID());
			if (!m_alloc.save())
			{
				log.log(Level.SEVERE, "Cannot create allocation header");
				return false;
			}
		}
		//	Payment
		if (p_CreatePayment 
			&& (m_payment == null 
				|| invoice.getC_BPartner_ID() != m_payment.getC_BPartner_ID()
				|| C_Currency_ID != m_payment.getC_Currency_ID()))
		{
			processPayment();
			m_payment = new MPayment(getCtx(), 0, get_TrxName());
			m_payment.setAD_Org_ID(invoice.getAD_Org_ID());
			m_payment.setC_BankAccount_ID(p_C_BankAccount_ID);
			m_payment.setTenderType(MPayment.TENDERTYPE_Check);
			m_payment.setDateTrx(p_DateAcct);
			m_payment.setDateAcct(p_DateAcct);
			m_payment.setDescription(getProcessInfo().getTitle() + " #" + getAD_PInstance_ID());
			m_payment.setC_BPartner_ID(invoice.getC_BPartner_ID());
			m_payment.setIsReceipt(true);	//	payments are negative
			m_payment.setC_Currency_ID(C_Currency_ID);
			if (!m_payment.save())
			{
				log.log(Level.SEVERE, "Cannot create payment");
				return false;
			}
		}

		//	Line
		MAllocationLine aLine = null;
		if (p_CreatePayment)
		{
			aLine = new MAllocationLine (m_alloc, OpenAmt,
				Env.ZERO, Env.ZERO, Env.ZERO);
			m_payment.setPayAmt(m_payment.getPayAmt().add(OpenAmt));
			aLine.setC_Payment_ID(m_payment.getC_Payment_ID());
		}
		else
			aLine = new MAllocationLine (m_alloc, Env.ZERO, 
				Env.ZERO, OpenAmt, Env.ZERO);
		aLine.setC_Invoice_ID(C_Invoice_ID);
		if (aLine.save())
		{
			addLog(C_Invoice_ID, DateInvoiced, OpenAmt, DocumentNo);
			return true;
		}
		//	Error
		log.log(Level.SEVERE, "Cannot create allocation line for C_Invoice_ID=" + C_Invoice_ID);
		return false;
	}	//	writeOff
	
	/**
	 * 	Process Allocation
	 *	@return true if processed
	 */
	private boolean processAllocation()
	{
		if (m_alloc == null)
			return true;
		processPayment();
		//	Process It
		if (m_alloc.processIt(DocAction.ACTION_Complete) &&  m_alloc.save())
		{
			m_alloc = null;
			return true;
		}
		//
		m_alloc = null;
		return false;
	}	//	processAllocation

	/**
	 * 	Process Payment
	 *	@return true if processed
	 */
	private boolean processPayment()
	{
		if (m_payment == null)
			return true;
		//	Process It
		if (m_payment.processIt(DocAction.ACTION_Complete) &&  m_payment.save())
		{
			m_payment = null;
			return true;
		}
		//
		m_payment = null;
		return false;
	}	//	processPayment
	
}	//	InvoiceWriteOff