org.openbravo.event.ProductionLineEventHandler.java Source code

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Here is the source code for org.openbravo.event.ProductionLineEventHandler.java

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/*
 *************************************************************************
 * The contents of this file are subject to the Openbravo  Public  License
 * Version  1.1  (the  "License"),  being   the  Mozilla   Public  License
 * Version 1.1  with a permitted attribution clause; you may not  use this
 * file except in compliance with the License. You  may  obtain  a copy of
 * the License at http://www.openbravo.com/legal/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 Openbravo ERP. 
 * The Initial Developer of the Original Code is Openbravo SLU 
 * All portions are Copyright (C) 2013 Openbravo SLU 
 * All Rights Reserved. 
 * Contributor(s):  ______________________________________.
 ************************************************************************
 */
package org.openbravo.event;

import java.math.BigDecimal;

import javax.enterprise.event.Observes;

import org.apache.log4j.Logger;
import org.hibernate.criterion.Restrictions;
import org.openbravo.base.exception.OBException;
import org.openbravo.base.model.Entity;
import org.openbravo.base.model.ModelProvider;
import org.openbravo.base.model.Property;
import org.openbravo.base.secureApp.VariablesSecureApp;
import org.openbravo.client.kernel.RequestContext;
import org.openbravo.client.kernel.event.EntityPersistenceEventObserver;
import org.openbravo.client.kernel.event.EntityUpdateEvent;
import org.openbravo.dal.core.OBContext;
import org.openbravo.dal.service.OBCriteria;
import org.openbravo.dal.service.OBDal;
import org.openbravo.database.ConnectionProvider;
import org.openbravo.erpCommon.utility.Utility;
import org.openbravo.model.materialmgmt.transaction.ProductionLine;
import org.openbravo.model.materialmgmt.transaction.ProductionPlan;
import org.openbravo.service.db.DalConnectionProvider;

public class ProductionLineEventHandler extends EntityPersistenceEventObserver {

    private static Entity[] entities = { ModelProvider.getInstance().getEntity(ProductionLine.ENTITY_NAME) };
    protected Logger logger = Logger.getLogger(this.getClass());
    private static String BOM_PRODUCTION = "321";

    @Override
    protected Entity[] getObservedEntities() {
        return entities;
    }

    public void onUpdate(@Observes EntityUpdateEvent event) {
        if (!isValidEvent(event)) {
            return;
        }
        VariablesSecureApp vars = null;
        try {
            vars = RequestContext.get().getVariablesSecureApp();
        } catch (Exception e) {
            logger.error("Error:", e);
        }
        String currentTabId = vars.getStringParameter("tabId");
        if (BOM_PRODUCTION.equals(currentTabId)) {
            final Entity productionLineEntity = ModelProvider.getInstance().getEntity(ProductionLine.ENTITY_NAME);
            final BigDecimal ZERO = new BigDecimal("0");
            final Property productionPlanProperty = productionLineEntity
                    .getProperty(ProductionLine.PROPERTY_PRODUCTIONPLAN);
            final Property movementQtyProperty = productionLineEntity
                    .getProperty(ProductionLine.PROPERTY_MOVEMENTQUANTITY);
            final ProductionPlan productionPlan = (ProductionPlan) event.getCurrentState(productionPlanProperty);
            final BigDecimal currentMovementQty = (BigDecimal) event.getCurrentState(movementQtyProperty);
            final BigDecimal previousMovementQty = (BigDecimal) event.getPreviousState(movementQtyProperty);
            OBCriteria<ProductionLine> productionLineCriteria = OBDal.getInstance()
                    .createCriteria(ProductionLine.class);
            productionLineCriteria.add(Restrictions.eq(ProductionLine.PROPERTY_PRODUCTIONPLAN, productionPlan));
            productionLineCriteria.add(Restrictions.gt(ProductionLine.PROPERTY_MOVEMENTQUANTITY, ZERO));
            if (productionLineCriteria.count() > 0 && previousMovementQty != currentMovementQty) {
                if (currentMovementQty.compareTo(ZERO) == 1 && previousMovementQty.compareTo(ZERO) != 1) {
                    String language = OBContext.getOBContext().getLanguage().getLanguage();
                    ConnectionProvider conn = new DalConnectionProvider(false);
                    throw new OBException(Utility.messageBD(conn, "@ConsumedProductWithPostiveQty@", language));
                } else if (currentMovementQty.compareTo(ZERO) == -1 && previousMovementQty.compareTo(ZERO) != -1
                        && productionLineCriteria.count() == 1) {
                    String language = OBContext.getOBContext().getLanguage().getLanguage();
                    ConnectionProvider conn = new DalConnectionProvider(false);
                    throw new OBException(Utility.messageBD(conn, "@ProducedProductWithNegativeQty@", language));
                }
            }
        }
    }
}