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.ar.document.validation.impl;
017    
018    import org.kuali.kfs.module.ar.ArConstants;
019    import org.kuali.kfs.module.ar.ArKeyConstants;
020    import org.kuali.kfs.module.ar.ArPropertyConstants;
021    import org.kuali.kfs.module.ar.businessobject.CustomerInvoiceDetail;
022    import org.kuali.kfs.module.ar.document.CustomerInvoiceDocument;
023    import org.kuali.kfs.module.ar.document.service.CustomerInvoiceDetailService;
024    import org.kuali.kfs.sys.document.validation.GenericValidation;
025    import org.kuali.kfs.sys.document.validation.event.AttributedDocumentEvent;
026    import org.kuali.rice.kns.util.GlobalVariables;
027    import org.kuali.rice.kns.util.ObjectUtils;
028    
029    public class CustomerInvoiceDetailParentLessThanDiscountValidation extends GenericValidation {
030    
031        private CustomerInvoiceDocument customerInvoiceDocument;
032        private CustomerInvoiceDetail parentCustomerInvoiceDetail;
033        private CustomerInvoiceDetailService customerInvoiceDetailService;
034    
035        public boolean validate(AttributedDocumentEvent event) {
036            boolean success = true;
037    
038    
039            CustomerInvoiceDetail discountCustomerInvoiceDetail = parentCustomerInvoiceDetail.getDiscountCustomerInvoiceDetail();
040    
041            if (ObjectUtils.isNotNull(discountCustomerInvoiceDetail)) {
042    
043                // make a copy to not mess up the existing reference
044                CustomerInvoiceDetail copyOfDiscountCustomerInvoiceDetail = new CustomerInvoiceDetail();
045                copyOfDiscountCustomerInvoiceDetail.setInvoiceItemUnitPrice(discountCustomerInvoiceDetail.getInvoiceItemUnitPrice());
046                copyOfDiscountCustomerInvoiceDetail.setInvoiceItemQuantity(discountCustomerInvoiceDetail.getInvoiceItemQuantity());
047    
048                // update amounts
049                customerInvoiceDetailService.recalculateCustomerInvoiceDetail(customerInvoiceDocument, parentCustomerInvoiceDetail);
050                customerInvoiceDetailService.recalculateCustomerInvoiceDetail(customerInvoiceDocument, copyOfDiscountCustomerInvoiceDetail);
051    
052                // return true if parent line amount is less THAN abs(discount line amount)
053                if (parentCustomerInvoiceDetail.getAmount().abs().isLessThan(copyOfDiscountCustomerInvoiceDetail.getAmount().abs())) {
054                    GlobalVariables.getMessageMap().putError(ArPropertyConstants.CustomerInvoiceDocumentFields.INVOICE_ITEM_UNIT_PRICE, ArKeyConstants.ERROR_CUSTOMER_INVOICE_DETAIL_DISCOUNT_AMOUNT_GREATER_THAN_PARENT_AMOUNT);
055                    success = false;
056                }
057    
058            }
059    
060            return success;
061        }
062    
063        public CustomerInvoiceDocument getCustomerInvoiceDocument() {
064            return customerInvoiceDocument;
065        }
066    
067        public void setCustomerInvoiceDocument(CustomerInvoiceDocument customerInvoiceDocument) {
068            this.customerInvoiceDocument = customerInvoiceDocument;
069        }
070    
071        public CustomerInvoiceDetail getParentCustomerInvoiceDetail() {
072            return parentCustomerInvoiceDetail;
073        }
074    
075        public void setParentCustomerInvoiceDetail(CustomerInvoiceDetail parentCustomerInvoiceDetail) {
076            this.parentCustomerInvoiceDetail = parentCustomerInvoiceDetail;
077        }
078    
079        public CustomerInvoiceDetailService getCustomerInvoiceDetailService() {
080            return customerInvoiceDetailService;
081        }
082    
083        public void setCustomerInvoiceDetailService(CustomerInvoiceDetailService customerInvoiceDetailService) {
084            this.customerInvoiceDetailService = customerInvoiceDetailService;
085        }
086    
087    }