/**
    * Copyright 2004-2013 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.hr.time.syslunch.service;
  
  import java.sql.Timestamp;
  
  import org.kuali.hr.core.cache.CacheUtils;
  import org.kuali.hr.time.service.base.TkServiceLocator;
  import org.kuali.hr.time.syslunch.rule.SystemLunchRule;
  import org.kuali.hr.time.util.TKUtils;
  import org.kuali.rice.kns.maintenance.KualiMaintainableImpl;
  import org.kuali.rice.krad.service.KRADServiceLocator;
  
  public class SystemLunchRuleMaintainableImpl extends KualiMaintainableImpl {
  	/**
  	 * 
  	 */
  	private static final long serialVersionUID = 1L;
  
  	@Override
  	public void saveBusinessObject() {
  		SystemLunchRule sysLunchRule = (SystemLunchRule)this.getBusinessObject();
  		if(sysLunchRule.getTkSystemLunchRuleId()!=null && sysLunchRule.isActive()){
  			SystemLunchRule oldSystemLunchRule = TkServiceLocator.getSystemLunchRuleService().getSystemLunchRule(sysLunchRule.getTkSystemLunchRuleId());
  			if(sysLunchRule.getEffectiveDate().equals(oldSystemLunchRule.getEffectiveDate())){
  				sysLunchRule.setTimestamp(null);
  			} else{
  				if(oldSystemLunchRule!=null){
  					oldSystemLunchRule.setActive(false);
  					//NOTE this is done to prevent the timestamp of the inactive one to be greater than the 
  					oldSystemLunchRule.setTimestamp(TKUtils.subtractOneSecondFromTimestamp(new Timestamp(System.currentTimeMillis())));
  					oldSystemLunchRule.setEffectiveDate(sysLunchRule.getEffectiveDate());
  					KRADServiceLocator.getBusinessObjectService().save(oldSystemLunchRule);
  				}
  				sysLunchRule.setTimestamp(new Timestamp(System.currentTimeMillis()));
  				sysLunchRule.setTkSystemLunchRuleId(null);
  			}
  		}
  		
  		KRADServiceLocator.getBusinessObjectService().save(sysLunchRule);
          CacheUtils.flushCache(SystemLunchRule.CACHE_NAME);
  	}
  }