OrdersTechnologyExtensionService.java

/**
 * ***************************************************************************
 * Copyright (c) 2010 Qcadoo Limited
 * Project: Qcadoo MES
 * Version: 1.4
 *
 * This file is part of Qcadoo.
 *
 * Qcadoo is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published
 * by the Free Software Foundation; either version 3 of the License,
 * or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 * ***************************************************************************
 */
package com.qcadoo.mes.orders;

import org.springframework.stereotype.Service;

import com.qcadoo.mes.technologies.constants.TechnologyFields;
import com.qcadoo.mes.technologies.constants.TechnologyType;
import com.qcadoo.model.api.DataDefinition;
import com.qcadoo.model.api.Entity;
import com.qcadoo.model.api.EntityList;

@Service
public class OrdersTechnologyExtensionService {

    public boolean checkExistingOrders(final DataDefinition dataDefinition, final Entity entity) {

        if (TechnologyType.WITH_OWN_TECHNOLOGY.getStringValue().equals(entity.getStringField(TechnologyFields.TECHNOLOGY_TYPE))) {
            return true;
        }
        Entity newProduct = entity.getBelongsToField("product");
        EntityList orders = entity.getHasManyField("orders");
        if (orders == null) {
            return true;
        }

        for (Entity order : orders) {
            Entity orderProduct = order.getBelongsToField("product");

            if (!newProduct.getField("number").equals(orderProduct.getField("number"))) {
                entity.addError(dataDefinition.getField("product"), "orders.validate.global.error.technologyUsedInOrder");
                return false;
            }
        }
        return true;
    }
}