/*
* Copyright 2011, Nabil Benothman, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package com.ubike.rest.service;
import com.sun.jersey.api.NotFoundException;
import com.ubike.model.UbikeGroup;
import javax.ws.rs.Path;
import javax.ws.rs.GET;
import javax.ws.rs.PUT;
import javax.ws.rs.DELETE;
import javax.ws.rs.Produces;
import javax.ws.rs.Consumes;
import javax.ws.rs.QueryParam;
import javax.ws.rs.DefaultValue;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.UriInfo;
import com.sun.jersey.api.core.ResourceContext;
import com.sun.jersey.api.view.Viewable;
import com.ubike.faces.bean.BaseBean;
import javax.ws.rs.WebApplicationException;
import javax.persistence.NoResultException;
import com.ubike.model.MemberShip;
import java.util.Collection;
import com.ubike.rest.converter.UbikeGroupConverter;
import com.ubike.model.Statistic;
import com.ubike.services.GroupServiceLocal;
import com.ubike.util.StatisticManager;
import com.ubike.services.TripManagerLocal;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import javax.ejb.EJB;
import javax.ejb.Stateless;
import javax.ws.rs.core.MediaType;
import org.springframework.context.annotation.Scope;
import org.springframework.security.annotation.Secured;
import org.springframework.stereotype.Component;
/**
* {@code UbikeGroupResource}
* <p></p>
*
* Created on Jun 6, 2011 at 7:17:22 PM
*
* @author <a href="mailto:nabil.benothman@gmail.com">Nabil Benothman</a>
*/
@Stateless
@Component
@Scope("request")
public class UbikeGroupResource {
@Context
protected UriInfo uriInfo;
@Context
protected ResourceContext resourceContext;
protected Long id;
@EJB
private GroupServiceLocal groupService;
/**
* Creates a new instance of UbikeGroupResource
*/
public UbikeGroupResource() {
}
public void setId(Long id) {
this.id = id;
}
@GET
@Produces({MediaType.APPLICATION_XML})
public UbikeGroupConverter getXML(@QueryParam("expandLevel") @DefaultValue("0") int expandLevel) {
UbikeGroup entity = expandLevel > 0 ? getEntityWithMemberShips() : getEntity();
return new UbikeGroupConverter(entity, uriInfo.getAbsolutePath(), expandLevel);
}
/**
* Get method for retrieving an instance of UbikeGroup identified by id in XML format.
*
* @param id identifier for the entity
* @return an instance of UbikeGroupConverter
*/
@GET
@Produces({MediaType.TEXT_HTML})
public Viewable getHTML(@QueryParam("expandLevel") @DefaultValue("1") int expandLevel) {
UbikeGroup entity = getEntityWithMemberShips();
BaseBean.setSessionAttribute("tmp_members", entity.getMemberShips());
// Extracting entity statistics
//extractStatistics(converter.getEntity());
BaseBean.setSessionAttribute("client", entity);
return new Viewable("/groupInfo.jsp", entity);
}
/**
* Put method for updating an instance of UbikeGroup identified by id using XML as the input format.
*
* @param id identifier for the entity
* @param data an UbikeGroupConverter entity that is deserialized from a XML stream
*/
@Secured({"ROLE_USER", "USER_ACCESS"})
@PUT
@Consumes({"application/xml", "application/json"})
public void put(UbikeGroupConverter data) {
updateEntity(getEntity(), data.resolveEntity(this.groupService.getEntityManager()));
}
/**
* Delete method for deleting an instance of UbikeGroup identified by id.
*
* @param id identifier for the entity
*/
@DELETE
public void delete() {
deleteEntity(getEntity());
}
/**
* Returns an instance of UbikeGroup identified by id.
*
* @param id identifier for the entity
* @return an instance of UbikeGroup
*/
protected UbikeGroup getEntityWithMemberShips() {
try {
return this.groupService.findWithMemberShips(id);
} catch (NoResultException ex) {
throw new NotFoundException("Resource for " + uriInfo.getAbsolutePath() + " does not exist.",
uriInfo.getAbsolutePath());
}
}
/**
* Returns an instance of UbikeGroup identified by id.
*
* @param id identifier for the entity
* @return an instance of UbikeGroup
*/
protected UbikeGroup getEntity() {
try {
return this.groupService.find(id);
} catch (NoResultException ex) {
throw new NotFoundException("Resource for " + uriInfo.getAbsolutePath() + " does not exist.",
uriInfo.getAbsolutePath());
}
}
/**
* Updates entity using data from newEntity.
*
* @param entity the entity to update
* @param newEntity the entity containing the new data
* @return the updated entity
*/
protected UbikeGroup updateEntity(UbikeGroup entity, UbikeGroup newEntity) {
Collection<MemberShip> members = entity.getMemberShips();
Collection<MemberShip> membersNew = newEntity.getMemberShips();
entity = this.groupService.update(newEntity);
for (MemberShip value : members) {
if (!membersNew.contains(value)) {
throw new WebApplicationException(new Throwable(
"Cannot remove items from members"));
}
}
for (MemberShip value : membersNew) {
if (!members.contains(value)) {
UbikeGroup oldEntity = value.getGroup();
value.setGroup(entity);
if (oldEntity != null && !oldEntity.equals(entity)) {
oldEntity.getMemberShips().remove(value);
}
}
}
return entity;
}
/**
* Deletes the entity.
*
* @param entity the entity to deletle
*/
protected void deleteEntity(UbikeGroup entity) {
if (!entity.getMemberShips().isEmpty()) {
throw new WebApplicationException(new Throwable(
"Cannot delete entity because members is not empty."));
}
this.groupService.remove(id);
}
/**
*
* @param group
*/
private void extractStatistics(UbikeGroup group) {
TripManagerLocal tml = (TripManagerLocal) BaseBean.getSessionAttribute("tml");
StatisticManager statMan = new StatisticManager(tml);
Calendar cal = Calendar.getInstance();
Date date = cal.getTime();
Collection<Statistic> today = statMan.getDailyStat(group, date);
Collection<Statistic> thisWeek = statMan.getWeeklyStat(group, date);
Collection<Statistic> thisMonth = statMan.getMonthlyStat(group, date);
Collection<Statistic> thisYear = statMan.getYearlyStat(group, date);
Collection<Statistic> general = statMan.getGeneralStat(group);
cal.set(Calendar.WEEK_OF_YEAR, cal.get(Calendar.WEEK_OF_YEAR) - 1);
Collection<Statistic> lastWeek = statMan.getWeeklyStat(group, cal.getTime());
cal.set(Calendar.WEEK_OF_YEAR, cal.get(Calendar.WEEK_OF_YEAR) + 1);
cal.set(Calendar.MONTH, cal.get(Calendar.MONTH) - 1);
Collection<Statistic> lastMonth = statMan.getMonthlyStat(group, cal.getTime());
cal.set(Calendar.MONTH, cal.get(Calendar.MONTH) + 1);
cal.set(Calendar.YEAR, cal.get(Calendar.YEAR) - 1);
Collection<Statistic> lastYear = statMan.getYearlyStat(group, cal.getTime());
BaseBean.setSessionAttribute("today", today);
BaseBean.setSessionAttribute("thisWeek", thisWeek);
BaseBean.setSessionAttribute("lastWeek", lastWeek);
BaseBean.setSessionAttribute("thisMonth", thisMonth);
BaseBean.setSessionAttribute("lastMonth", lastMonth);
BaseBean.setSessionAttribute("thisYear", thisYear);
BaseBean.setSessionAttribute("lastYear", lastYear);
BaseBean.setSessionAttribute("general", general);
}
/**
* Returns a dynamic instance of MemberShipsResource used for entity navigation.
*
* @param id identifier for the parent entity
* @return an instance of MemberShipsResource
*/
@Path("members/")
public MemberShipsResource getMembersResource() {
MembersResourceSub resource = resourceContext.getResource(
MembersResourceSub.class);
resource.setParent(getEntity());
return resource;
}
public static class MembersResourceSub extends MemberShipsResource {
private UbikeGroup parent;
public void setParent(UbikeGroup parent) {
this.parent = parent;
}
@Override
protected List<MemberShip> getEntities(int start, int max) {
List<MemberShip> result = new java.util.ArrayList<MemberShip>();
int index = 0;
for (MemberShip e : parent.getMemberShips()) {
if (index >= start && (index - start) < max) {
result.add(e);
}
index++;
}
return result;
}
}
}