package org.kuali.ole.select.rule;
   
   import org.kuali.ole.OLEConstants;
   import org.kuali.ole.select.bo.OlePurchaseOrderPurpose;
   import org.kuali.rice.core.api.criteria.QueryByCriteria;
   import org.kuali.rice.krad.maintenance.MaintenanceDocument;
   import org.kuali.rice.krad.rules.MaintenanceDocumentRuleBase;
   import org.kuali.rice.krad.service.KRADServiceLocator;
   
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  /**
   * Created by jating on 24/9/14.
   */
  public class OlePurchaseOrderPurposeRule extends MaintenanceDocumentRuleBase {
  
  
          protected boolean processCustomSaveDocumentBusinessRules(MaintenanceDocument document) {
              boolean isValid = true;
              OlePurchaseOrderPurpose olePurchaseOrderPurpose = (org.kuali.ole.select.bo.OlePurchaseOrderPurpose) document.getNewMaintainableObject().getDataObject();
  
              isValid &= validateOlePurposeCode(olePurchaseOrderPurpose, document);
  
              return isValid;
          }
  
  // validates duplicate values for the field PurchaseOrderPurposeCode
  
          private boolean validateOlePurposeCode(OlePurchaseOrderPurpose olePurchaseOrderPurpose, MaintenanceDocument document ) {
  
                  if (olePurchaseOrderPurpose.getPurchaseOrderPurposeCode() != null) {
                  Map<String, String> criteria = new HashMap<String, String>();
                  criteria.put(OLEConstants.OlePurchaseOrderPurpose.PURCHASE_ORDER_PURPOSE_CODE, olePurchaseOrderPurpose.getPurchaseOrderPurposeCode());
                  List<OlePurchaseOrderPurpose> savedOlePurchaseOrderPurpose = (List<OlePurchaseOrderPurpose>) KRADServiceLocator.getBusinessObjectService().findMatching(org.kuali.ole.select.bo.OlePurchaseOrderPurpose.class, criteria);
                  if ((savedOlePurchaseOrderPurpose.size() > 0)) {
                      for (org.kuali.ole.select.bo.OlePurchaseOrderPurpose purchaseOrderPurpose : savedOlePurchaseOrderPurpose) {
                          String purposeId = purchaseOrderPurpose.getPurchaseOrderPurposeId();
                          if (null == olePurchaseOrderPurpose.getPurchaseOrderPurposeId() || (!olePurchaseOrderPurpose.getPurchaseOrderPurposeId().equalsIgnoreCase(purposeId))) {//
                              this.putFieldError(OLEConstants.OlePurchaseOrderPurpose.PURCHASE_ORDER_PURPOSE_CODE, OLEConstants.OlePurchaseOrderPurpose.ERROR_PURCHASE_ORDER_PURPOSE_CODE);
                              return false;
                          }
                      }
                  }
              }
              return true;
          }
      }