org.sample.reservation.service.UserService Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of business Show documentation
Sample application business layer
The newest version!
/*
 * @Copyright 2010, MechSoft 
 * MechSoft, Mechanical and Software Solutions 
 * 
 * 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.
 */
package org.sample.reservation.service;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Set;

import javax.persistence.EntityManager;

import org.defne.jpa.EntityManagerUtil;
import org.defne.service.Message;
import org.defne.service.MessageFactory;
import org.defne.service.annotation.Operation;
import org.defne.service.annotation.Service;
import org.defne.utility.Utility;
import org.defne.utility.exception.DefneException;
import org.defne.utility.log.ILogger;
import org.defne.utility.log.LoggerProvider;
import org.sample.reservation.entity.Hotel;
import org.sample.reservation.entity.Reservation;
import org.sample.reservation.entity.User;
import org.sample.reservation.util.ReservationModel;

@Service
@SuppressWarnings("unchecked")
public class UserService
{
    private static final ILogger logger = LoggerProvider.getLogProvider(RegisterService.class);
    
    @Operation
    public static Message getUser(Message inBag) throws DefneException
    {
        Message oBag = MessageFactory.newServiceBag(inBag.isReturnsOutMessage());
        try
        {
            int id = inBag.getMessageParameter(Integer.class, "ID");
            EntityManager entityManager = EntityManagerUtil.getEntityManagerFromBag(inBag);
            User user = entityManager.find(User.class, id);
            
            oBag.putMessageParameter("USER", user);
        }
        catch (Exception e)
        {
            Utility.throwsDefneException(e);
        }

        return oBag;
    }
    
    @Operation
    public static Message updateUserInfo(Message inBag) throws DefneException
    {
        Message oBag = MessageFactory.newServiceBag(inBag.isReturnsOutMessage());
        try
        {
            int userId = inBag.getMessageParameter(Integer.class, "ID");
            String userName = inBag.getMessageParameter(String.class, "USER_NAME");
            String password = inBag.getMessageParameter(String.class, "PASSWORD");
            String name = inBag.getMessageParameter(String.class, "NAME");
            String surname = inBag.getMessageParameter(String.class, "SURNAME");
            int age  = inBag.getMessageParameter(Integer.class, "AGE");

            EntityManager entityManager = EntityManagerUtil.getEntityManagerFromBag(inBag);
            logger.info("Updating user with id : " + userId);
            
            User user = entityManager.find(User.class, userId);
            
            user.setName(name);
            user.setSurname(surname);
            user.setAge(age);
            user.setUserName(userName);
            user.setPassword(password);
        }
        catch (Exception e)
        {
            Utility.throwsDefneException(e);
        }

        return oBag;
    }
    
    @Operation
    public static Message addReservation(Message inBag) throws DefneException
    {
        Message oBag = MessageFactory.newServiceBag(inBag.isReturnsOutMessage());
        try
        {
            int userId = inBag.getMessageParameter(Integer.class, "ID");
            EntityManager entityManager = EntityManagerUtil.getEntityManagerFromBag(inBag);
            User user = entityManager.find(User.class, userId);
            Map reservations = inBag.getMessageParameter(Map.class, "RESERVATIONS");
            Set keys = reservations.keySet();
            
            for(String item : keys)
            {
                ReservationModel rm = reservations.get(item);
                Hotel hotel = entityManager.find(Hotel.class, rm.getItem());
                
                Reservation reservation = new Reservation();
                
                user.addHotel(reservation);
                
                reservation.setHotel(hotel);
                reservation.setReservationDate(rm.getDate());
                
                entityManager.persist(reservation);            
            }

        }
        catch (Exception e)
        {
            Utility.throwsDefneException(e);
        }

        return oBag;
    }
    
    @Operation
    public static Message deleteReservation(Message inBag) throws DefneException
    {
        Message oBag = MessageFactory.newServiceBag(inBag.isReturnsOutMessage());
        try
        {
            int reservsitonId = inBag.getMessageParameter(Integer.class, "ID");
            EntityManager entityManager = EntityManagerUtil.getEntityManagerFromBag(inBag);
            Reservation res = entityManager.find(Reservation.class, reservsitonId);
            User user = res.getUser();
            
            user.getReservations().remove(res);
            
            entityManager.remove(res);

        }
        catch (Exception e)
        {
            Utility.throwsDefneException(e);
        }

        return oBag;
    }
    
    @Operation
    public static Message getReservations(Message inBag) throws DefneException
    {
        Message oBag = MessageFactory.newServiceBag(inBag.isReturnsOutMessage());
        try
        {
            int id = inBag.getMessageParameter(Integer.class, "ID");
            EntityManager entityManager = EntityManagerUtil.getEntityManagerFromBag(inBag);
            User user = entityManager.find(User.class, id);
            
            Set res = user.getReservations();
            
            List l = new ArrayList();
            if(res != null)
            {
                for(Reservation r : res)
                {
                    l.add(r);
                }            
            }

            oBag.putMessageParameter("RESERVATIONS", l);
        }
        catch (Exception e)
        {
            Utility.throwsDefneException(e);
        }

        return oBag;
    }
}