001    /*
002     * Copyright 2011 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     */
016    package org.kuali.kfs.module.purap.document.validation.impl;
017    
018    import org.kuali.kfs.module.purap.PurapConstants;
019    import org.kuali.kfs.module.purap.PurapKeyConstants;
020    import org.kuali.kfs.module.purap.PurapPropertyConstants;
021    import org.kuali.kfs.module.purap.businessobject.PurApItem;
022    import org.kuali.kfs.module.purap.document.PurchasingAccountsPayableDocument;
023    import org.kuali.kfs.sys.document.validation.GenericValidation;
024    import org.kuali.kfs.sys.document.validation.event.AttributedDocumentEvent;
025    import org.kuali.rice.kns.util.GlobalVariables;
026    
027    public 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    }