/*
    * Copyright 2008 The Kuali Foundation
    * 
    * Licensed under the Educational Community License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    * 
    * http://www.opensource.org/licenses/ecl2.php
    * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.kuali.ole.module.purap.document.validation.impl;
  
  import org.kuali.ole.module.purap.PurapKeyConstants;
  import org.kuali.ole.module.purap.PurapPropertyConstants;
  import org.kuali.ole.module.purap.document.PurchasingDocument;
  import org.kuali.ole.sys.OLEPropertyConstants;
  import org.kuali.ole.sys.document.AmountTotaling;
  import org.kuali.ole.sys.document.validation.GenericValidation;
  import org.kuali.ole.sys.document.validation.event.AttributedDocumentEvent;
  import org.kuali.rice.krad.util.GlobalVariables;
  import org.kuali.rice.krad.util.ObjectUtils;
  
  public class RequisitionProcessAdditionalValidation extends GenericValidation {
  
      /**
       * Validate that if the PurchaseOrderTotalLimit is not null then the TotalDollarAmount cannot be greater than the
       * PurchaseOrderTotalLimit.
       *
       * @param purDocument the requisition document to be validated
       * @return boolean true if the TotalDollarAmount is less than the PurchaseOrderTotalLimit and false otherwise.
       */
      public boolean validate(AttributedDocumentEvent event) {
          boolean valid = true;
          PurchasingDocument purDocument = (PurchasingDocument) event.getDocument();
          GlobalVariables.getMessageMap().clearErrorPath();
          GlobalVariables.getMessageMap().addToErrorPath(OLEPropertyConstants.DOCUMENT);
          if (ObjectUtils.isNotNull(purDocument.getPurchaseOrderTotalLimit()) && ObjectUtils.isNotNull(((AmountTotaling) purDocument).getTotalDollarAmount())) {
              if (((AmountTotaling) purDocument).getTotalDollarAmount().isGreaterThan(purDocument.getPurchaseOrderTotalLimit())) {
                  valid &= false;
                  GlobalVariables.getMessageMap().putError(PurapPropertyConstants.PURCHASE_ORDER_TOTAL_LIMIT, PurapKeyConstants.ERROR_PURCHASE_ORDER_EXCEEDING_TOTAL_LIMIT);
              }
          }
          GlobalVariables.getMessageMap().clearErrorPath();
  
          return valid;
      }
  
  }