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/*-
 * ============LICENSE_START=======================================================
 * ECOMP-PAP-REST
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0
 * 
 * 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.
 * ============LICENSE_END=========================================================
 */

package org.openecomp.policy.pap.xacml.rest.daoimpl;

import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.criterion.Restrictions;
import org.openecomp.policy.pap.xacml.rest.HibernateSession;
import org.openecomp.policy.rest.dao.UserInfoDao;
import org.openecomp.policy.rest.jpa.UserInfo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import org.openecomp.policy.xacml.api.XACMLErrorConstants;


@Service("UserInfoDao")
public class UserInfoDaoImpl implements UserInfoDao{
	private static final Log logger = LogFactory.getLog(UserInfoDaoImpl.class);
	@Autowired
	SessionFactory sessionfactory;
	
	public SessionFactory getSessionfactory() {
		return sessionfactory;
	}

	public void setSessionfactory(SessionFactory sessionfactory) {
		this.sessionfactory = sessionfactory;
	}

	@Override
	public void save(UserInfo userInfo) {
		Session session = HibernateSession.getSessionFactory();
		Transaction tx = session.beginTransaction();
		try {
			session.persist(userInfo);
			tx.commit();	
		}catch(Exception e){
			logger.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Error While Saving UserInfo Table"+e);	
		}finally{
			try{
				session.close();
			}catch(Exception e1){
				logger.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Error While Closing Connection/Statement"+e1);
			}
		}	
	}

	@SuppressWarnings("unchecked")
	@Override
	public List<UserInfo> getUserInfo() {
		System.out.println("UserInfoDaoImpl:  getUserInfo().. getting user info before save()");
		Session session = HibernateSession.getSessionFactory();
		Transaction tx = session.beginTransaction();
		List<UserInfo> userData = null;
        try {
        	Criteria cr = session.createCriteria(UserInfo.class);
            userData = cr.list();
			tx.commit();
		} catch (Exception e) {
			logger.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Error While Querying UserInfo Table"+e);	
		}finally{
			try{
				session.close();
			}catch(Exception e1){
				logger.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Error While Closing Connection/Statement"+e1);
			}
		}
		return userData;
	}

	@Override
	public String getUserName(String loginid) {
		Session session = HibernateSession.getSessionFactory();
		Transaction tx = session.beginTransaction();
		UserInfo user = null;
		try {
			user = (UserInfo) session.get(UserInfo.class, loginid);
			tx.commit();
		} catch (Exception e) {
			logger.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Error While Querying UserInfo Table"+e);	
		}finally{
			try{
				session.close();
			}catch(Exception e1){
				logger.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Error While Closing Connection/Statement"+e1);
			}
		}
		return user.getUserName().toString();
	}

	@Override
	public UserInfo getUserInfoByLoginId(String loginid) {
		Session session = HibernateSession.getSessionFactory();
		Transaction tx = session.beginTransaction();
		UserInfo userData = null;
        try {
        	Criteria cr = session.createCriteria(UserInfo.class);
        	cr.add(Restrictions.eq("userLoginId", loginid));
            userData = (UserInfo) cr.list().get(0);
			tx.commit();
		} catch (Exception e) {
			logger.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Error While Querying UserInfo Table"+e);	
		}finally{
			try{
				session.close();
			}catch(Exception e1){
				logger.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Error While Closing Connection/Statement"+e1);
			}
		}
		return userData;
	}
	
}