/*
    * Copyright 2010 The Kuali Foundation.
    * 
    * Licensed under the Educational Community License, Version 1.0 (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/ecl1.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.businessobject.PurApItem;
  import org.kuali.ole.module.purap.document.PaymentRequestDocument;
  import org.kuali.ole.sys.OLEPropertyConstants;
  import org.kuali.ole.sys.document.validation.GenericValidation;
  import org.kuali.ole.sys.document.validation.event.AttributedDocumentEvent;
  import org.kuali.rice.core.api.util.type.KualiDecimal;
  import org.kuali.rice.krad.util.GlobalVariables;
  
  import java.util.List;
  
  public class LineItemQuantityNotZero extends GenericValidation {
  
      public boolean validate(AttributedDocumentEvent event) {
          boolean valid = true;
  
          PaymentRequestDocument document = (PaymentRequestDocument) event.getDocument();
          GlobalVariables.getMessageMap().clearErrorPath();
          GlobalVariables.getMessageMap().addToErrorPath(OLEPropertyConstants.DOCUMENT);
  
          int i = 0;
          for (PurApItem item : (List<PurApItem>) document.getItems()) {
              KualiDecimal itemQuantity = item.getItemQuantity();
              if (itemQuantity != null) {
                  if (!itemQuantity.isNonZero()) {
                      GlobalVariables.getMessageMap().putError("item[" + i + "].itemQuantity", PurapKeyConstants.ERROR_PAYMENT_REQUEST_LINE_ITEM_QUANTITY_ZERO);
                      GlobalVariables.getMessageMap().clearErrorPath();
  
                      valid = false;
                      break;
                  }
                  i++;
              }
          }
  
          return valid;
      }
  
  }