package org.kuali.ole.catalog.rule;
   
   import org.kuali.ole.OLEConstants;
   import org.kuali.ole.catalog.bo.OleLendingPolicy;
   import org.kuali.rice.krad.maintenance.MaintenanceDocument;
   import org.kuali.rice.krad.rules.MaintenanceDocumentRuleBase;
   
   import java.util.HashMap;
   import java.util.List;
  import java.util.Map;
  
  /**
   * OleLendingPolicyRule validates maintenance object for Lending Policy Rule Maintenance Document
   */
  public class OleLendingPolicyRule extends MaintenanceDocumentRuleBase {
  
      @Override
      protected boolean processCustomSaveDocumentBusinessRules(MaintenanceDocument document) {
          boolean isValid = true;
          OleLendingPolicy oleLendingPolicy = (OleLendingPolicy) document.getNewMaintainableObject().getDataObject();
  
          isValid &= validateLendingPolicyCode(oleLendingPolicy);
          return isValid;
      }
  
      /**
       * This method  validates duplicate encodingLevel Id and return boolean value.
       * @param oleLendingPolicy
       * @return  boolean
       */
      private boolean validateLendingPolicyCode(OleLendingPolicy oleLendingPolicy) {
  
          if (oleLendingPolicy.getLendingPolicyCode() != null) {
  
              Map<String, String> criteria = new HashMap<String, String>();
  
              criteria.put(OLEConstants.OleLendingPolicy.LENDING_POLICY_CD, oleLendingPolicy.getLendingPolicyCode());
  
              List<OleLendingPolicy> lendingPolicyInDatabase = (List<OleLendingPolicy>) getBoService().findMatching(OleLendingPolicy.class, criteria);
  
              if ((lendingPolicyInDatabase.size() > 0)) {
  
                  for(OleLendingPolicy lendingPolicyObj : lendingPolicyInDatabase){
                      Integer lendingPolicyId = lendingPolicyObj.getLendingPolicyId();
                      if(null==oleLendingPolicy.getLendingPolicyId() ||
                              oleLendingPolicy.getLendingPolicyId().intValue() != lendingPolicyId.intValue()) {
                          this.putFieldError(OLEConstants.OleLendingPolicy.LENDING_POLICY_CODE, "error.duplicate.code");
                          return false;
                      }
                  }
              }
              return true;
          }
          return false;
      }
  }