package org.kuali.ole.catalog.rule;
   
   import org.kuali.ole.OLEConstants;
   import org.kuali.ole.catalog.bo.OleEncodingLevel;
   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;
  
  /**
   *  OleEncodingLevelRule validates maintenance object for Encoding Level Maintenance Document
   */
  public class OleEncodingLevelRule extends MaintenanceDocumentRuleBase {
  
      @Override
      protected boolean processCustomSaveDocumentBusinessRules(MaintenanceDocument document) {
          boolean isValid = true;
          OleEncodingLevel oleEncodingLevel = (OleEncodingLevel) document.getNewMaintainableObject().getDataObject();
  
          isValid &= validateEncodingLevelCode(oleEncodingLevel);
          return isValid;
      }
  
      /**
       * This method  validates duplicate encodingLevel Id and return boolean value.
       * @param oleEncodingLevel
       * @return boolean
       */
      private boolean validateEncodingLevelCode(OleEncodingLevel oleEncodingLevel) {
  
          if (oleEncodingLevel.getEncodingLevelCode() != null) {
  
              Map<String, String> criteria = new HashMap<String, String>();
  
              criteria.put(OLEConstants.OleEncodingLevel.ENCODING_LEVEL_CD, oleEncodingLevel.getEncodingLevelCode());
  
  
              List<OleEncodingLevel> encodingLevelInDatabase = (List<OleEncodingLevel>) getBoService().findMatching(OleEncodingLevel.class, criteria);
  
              if ((encodingLevelInDatabase.size() > 0)) {
                  for(OleEncodingLevel  oleEncodingLevelObj: encodingLevelInDatabase){
                      Integer encodingLevelId=oleEncodingLevelObj.getEncodingLevelId();
                          if(null==oleEncodingLevel.getEncodingLevelId() || oleEncodingLevel.getEncodingLevelId().intValue()!=encodingLevelId){
                              this.putFieldError(OLEConstants.OleEncodingLevel.ENCODING_LEVEL_CODE, "error.duplicate.code");
                              return false;
                         }
                  }
              }
          }
  
          return true;
      }
  }