001/*
002 * Copyright 2008 The Kuali Foundation
003 * 
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 * 
008 * http://www.opensource.org/licenses/ecl2.php
009 * 
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.ole.module.purap.document.validation.impl;
017
018import org.kuali.ole.module.purap.PurapConstants;
019import org.kuali.ole.module.purap.PurapKeyConstants;
020import org.kuali.ole.module.purap.PurapPropertyConstants;
021import org.kuali.ole.module.purap.businessobject.PurApItem;
022import org.kuali.ole.module.purap.document.PurchasingAccountsPayableDocument;
023import org.kuali.ole.sys.document.validation.GenericValidation;
024import org.kuali.ole.sys.document.validation.event.AttributedDocumentEvent;
025import org.kuali.rice.krad.util.GlobalVariables;
026
027public class PurchasingProcessTradeInValidation extends GenericValidation {
028
029    /**
030     * Validates that the total cost must be greater or equal to zero.
031     *
032     * @param purDocument the purchasing document to be validated
033     * @return boolean false if the total cost is less than zero.
034     */
035    public boolean validate(AttributedDocumentEvent event) {
036        boolean isAssignedToTradeInItemFound = false;
037        PurchasingAccountsPayableDocument purapDocument = (PurchasingAccountsPayableDocument) event.getDocument();
038        for (PurApItem item : purapDocument.getItems()) {
039            // Refresh the item type for validation.
040            item.refreshReferenceObject(PurapPropertyConstants.ITEM_TYPE);
041
042            if (item.getItemType().isLineItemIndicator()) {
043                if (item.getItemAssignedToTradeInIndicator()) {
044                    isAssignedToTradeInItemFound = true;
045                    break;
046                }
047            }
048        }
049        if (!isAssignedToTradeInItemFound) {
050            PurApItem tradeInItem = purapDocument.getTradeInItem();
051            if (tradeInItem != null && tradeInItem.getItemUnitPrice() != null) {
052                GlobalVariables.getMessageMap().putError(PurapConstants.ITEM_TAB_ERROR_PROPERTY, PurapKeyConstants.ERROR_ITEM_TRADE_IN_NEEDS_TO_BE_ASSIGNED);
053                return false;
054            }
055        }
056        return true;
057    }
058}