costupdate.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.*;
import java.util.logging.*;

import org.compiere.model.*;
import org.compiere.util.*;

/**
 * 	Standard Cost Update
 *	
 *  @author Jorg Janke
 *  @version $Id: CostUpdate.java,v 1.2 2005/11/28 21:47:31 jjanke Exp $
 */
public class CostUpdate extends SvrProcess
{
	/**	Product Category		*/
	private int		p_M_Product_Category_ID = 0;
	/** Future Costs			*/
	private String	p_SetFutureCostTo = null;
	/** Standard Costs			*/
	private String	p_SetStandardCostTo = null;
	/** PLV						*/
	private int 	p_M_PriceList_Version_ID = 0;
	
	
	private static final String	TO_AveragePO = "A";
	private static final String	TO_AverageInvoiceHistory = "DI";
	private static final String	TO_AveragePOHistory = "DP";
	private static final String	TO_FiFo = "F";
	private static final String	TO_AverageInvoice = "I";
	private static final String	TO_LiFo = "L";
	private static final String	TO_PriceListLimit = "LL";
	private static final String	TO_StandardCost = "S";
	private static final String	TO_FutureStandardCost = "f";
	private static final String	TO_LastInvoicePrice = "i";
	private static final String	TO_LastPOPrice = "p";
	private static final String	TO_OldStandardCost = "x";

	/** Standard Cost Element		*/
	private MCostElement 	m_ce = null;
	/** Client Accounting SChema	*/
	private MAcctSchema[]	m_ass = null;
	/** Map of Cost Elements		*/
	private HashMap<String,MCostElement>	m_ces = new HashMap<String,MCostElement>();
	
	
	/**
	 * 	Prepare
	 */
	protected void prepare ()
	{
		ProcessInfoParameter[] para = getParameter();
		for (int i = 0; i < para.length; i++)
		{
			String name = para[i].getParameterName();
		//	log.fine("prepare - " + para[i]);
			if (para[i].getParameter() == null)
				;
			else if (name.equals("M_Product_Category_ID"))
				p_M_Product_Category_ID = para[i].getParameterAsInt();
			else if (name.equals("SetFutureCostTo"))
				p_SetFutureCostTo = (String)para[i].getParameter();
			else if (name.equals("SetStandardCostTo"))
				p_SetStandardCostTo = (String)para[i].getParameter();
			else if (name.equals("M_PriceList_Version_ID"))
				p_M_PriceList_Version_ID = para[i].getParameterAsInt();
			else
				log.log(Level.SEVERE, "Unknown Parameter: " + name);		
		}
	}	//	prepare	

	/**
	 * 	Process
	 *	@return info
	 *	@throws Exception
	 */
	protected String doIt() throws Exception
	{
		log.info("M_Product_Category_ID=" + p_M_Product_Category_ID
			+ ", Future=" + p_SetFutureCostTo
			+ ", Standard=" + p_SetStandardCostTo
			+ "; M_PriceList_Version_ID=" + p_M_PriceList_Version_ID);
		if (p_SetFutureCostTo == null)
			p_SetFutureCostTo = "";
		if (p_SetStandardCostTo == null)
			p_SetStandardCostTo = "";
		//	Nothing to Do
		if (p_SetFutureCostTo.length() == 0 && p_SetStandardCostTo.length() == 0)
		{
			return "-";
		}
		//	PLV required
		if (p_M_PriceList_Version_ID == 0
			&& (p_SetFutureCostTo.equals(TO_PriceListLimit) || p_SetStandardCostTo.equals(TO_PriceListLimit)))
			throw new CompiereUserError ("@FillMandatory@  @M_PriceList_Version_ID@");
		
		//	Validate Source
		if (!isValid(p_SetFutureCostTo))
			throw new CompiereUserError ("@NotFound@ @M_CostElement_ID@ (Future) " + p_SetFutureCostTo);
		if (!isValid(p_SetStandardCostTo))
			throw new CompiereUserError ("@NotFound@ @M_CostElement_ID@ (Standard) " + p_SetStandardCostTo);

		//	Prepare
		MClient client = MClient.get(getCtx());
		m_ce = MCostElement.getMaterialCostElement(client, MAcctSchema.COSTINGMETHOD_StandardCosting);
		if (m_ce.get_ID() == 0)
			throw new CompiereUserError ("@NotFound@ @M_CostElement_ID@ (StdCost)");
		log.config(m_ce.toString());
		m_ass = MAcctSchema.getClientAcctSchema(getCtx(), client.getAD_Client_ID());
		for (int i = 0; i < m_ass.length; i++)
			createNew(m_ass[i]);
		commit();
		
		//	Update Cost
		int counter = update();
		
		return "#" + counter;
	}	//	doIt
	
	/**
	 * 	Costing Method must exist
	 *	@param to test
	 *	@return true valid
	 */
	private boolean isValid(String to)
	{
		if (p_SetFutureCostTo.length() == 0)
			return true;
		
		String toTarget = to;
		if (to.equals(TO_AverageInvoiceHistory))
			to = TO_AverageInvoice;
		if (to.equals(TO_AveragePOHistory))
			to = TO_AveragePO;
		if (to.equals(TO_FutureStandardCost))
			to = TO_StandardCost;
		//
		if (to.equals(TO_AverageInvoice)
			|| to.equals(TO_AveragePO)
			|| to.equals(TO_FiFo)
			|| to.equals(TO_LiFo)
			|| to.equals(TO_StandardCost))
		{
			MCostElement ce = getCostElement(p_SetFutureCostTo);
			return ce != null;
		}
		return true;
	}	//	isValid
	
	/**************************************************************************
	 * 	Create New Standard Costs
	 */
	private void createNew (MAcctSchema as)
	{
		if (!as.getCostingLevel().equals(MAcctSchema.COSTINGLEVEL_Client))
		{
			String txt = "Costing Level prevents creating new Costing records for " + as.getName();
			log.warning(txt);
			addLog(0, null, null, txt);
			return;
		}
		String sql = "SELECT * FROM M_Product p "
			+ "WHERE NOT EXISTS (SELECT * FROM M_Cost c WHERE c.M_Product_ID=p.M_Product_ID"
			+ " AND c.M_CostType_ID=? AND c.C_AcctSchema_ID=? AND c.M_CostElement_ID=?"
			+ " AND c.M_AttributeSetInstance_ID=0) "
			+ "AND AD_Client_ID=?";
		if (p_M_Product_Category_ID != 0)
			sql += " AND M_Product_Category_ID=?"; 
		int counter = 0;
		PreparedStatement pstmt = null;
		try
		{
			pstmt = DB.prepareStatement (sql, null);
			pstmt.setInt (1, as.getM_CostType_ID());
			pstmt.setInt (2, as.getC_AcctSchema_ID());
			pstmt.setInt (3, m_ce.getM_CostElement_ID());
			pstmt.setInt (4, as.getAD_Client_ID());
			if (p_M_Product_Category_ID != 0)
				pstmt.setInt (5, p_M_Product_Category_ID);
			ResultSet rs = pstmt.executeQuery ();
			while (rs.next ())
			{
				if (createNew (new MProduct (getCtx(), rs, null), as))
					counter++;
			}
			rs.close ();
			pstmt.close ();
			pstmt = null;
		}
		catch (Exception e)
		{
			log.log (Level.SEVERE, sql, e);
		}
		try
		{
			if (pstmt != null)
				pstmt.close ();
			pstmt = null;
		}
		catch (Exception e)
		{
			pstmt = null;
		}
		log.info("#" + counter);
		addLog(0, null, new BigDecimal(counter), "Created for " + as.getName());
	}	//	createNew
	
	/**
	 * 	Create New Client level Costing Record
	 *	@param product product
	 *	@param as acct schema
	 *	@return true if created
	 */
	private boolean createNew (MProduct product, MAcctSchema as)
	{
		MCost cost = MCost.get(product, 0, as, 0, m_ce.getM_CostElement_ID());
		if (cost.is_new())
			return cost.save();
		return false;
	}	//	createNew

	/**************************************************************************
	 * 	Update Cost Records
	 * 	@return no updated
	 */
	private int update()
	{
		int counter = 0;
		String sql = "SELECT * FROM M_Cost c WHERE M_CostElement_ID=?";
		if (p_M_Product_Category_ID != 0)
			sql += " AND EXISTS (SELECT * FROM M_Product p "
				+ "WHERE c.M_Product_ID=p.M_Product_ID AND p.M_Product_Category_ID=?)";
		PreparedStatement pstmt = null;
		try
		{
			pstmt = DB.prepareStatement (sql, null);
			pstmt.setInt (1, m_ce.getM_CostElement_ID());
			if (p_M_Product_Category_ID != 0)
				pstmt.setInt (2, p_M_Product_Category_ID);
			ResultSet rs = pstmt.executeQuery ();
			while (rs.next ())
			{
				MCost cost = new MCost (getCtx(), rs, get_TrxName());
				for (int i = 0; i < m_ass.length; i++)
				{
					//	Update Costs only for default Cost Type
					if (m_ass[i].getC_AcctSchema_ID() == cost.getC_AcctSchema_ID() 
						&& m_ass[i].getM_CostType_ID() == cost.getM_CostType_ID())
					{
						if (update (cost))
							counter++;
					}
				}
			}
			rs.close ();
			pstmt.close ();
			pstmt = null;
		}
		catch (Exception e)
		{
			log.log (Level.SEVERE, sql, e);
		}
		try
		{
			if (pstmt != null)
				pstmt.close ();
			pstmt = null;
		}
		catch (Exception e)
		{
			pstmt = null;