/**
* Vosao CMS. Simple CMS for Google App Engine.
*
* Copyright (C) 2009-2010 Vosao development team.
*
* This library 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 library 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* email: vosao.dev@gmail.com
*/
package org.vosao.service.back.impl;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.commons.lang.StringUtils;
import org.vosao.entity.GroupEntity;
import org.vosao.entity.UserGroupEntity;
import org.vosao.i18n.Messages;
import org.vosao.service.ServiceResponse;
import org.vosao.service.back.GroupService;
import org.vosao.service.impl.AbstractServiceImpl;
import org.vosao.service.vo.GroupVO;
import org.vosao.service.vo.UserVO;
/**
* @author Alexander Oleynik
*/
public class GroupServiceImpl extends AbstractServiceImpl
implements GroupService {
@Override
public List<GroupVO> select() {
List<GroupVO> result = GroupVO.create(getDao().getGroupDao().select());
for (GroupVO group : result) {
group.setUsers(UserVO.create(getDao().getUserDao().selectByGroup(
Long.valueOf(group.getId()))));
}
return result;
}
@Override
public ServiceResponse remove(List<String> ids) {
List<Long> idList = new ArrayList<Long>();
for (String id : ids) {
idList.add(Long.valueOf(id));
}
getBusiness().getGroupBusiness().remove(idList);
return ServiceResponse.createSuccessResponse(
Messages.get("groups.success_delete"));
}
@Override
public GroupVO getById(Long id) {
GroupEntity group = getDao().getGroupDao().getById(id);
if (group != null) {
GroupVO result = new GroupVO(group);
result.setUsers(UserVO.create(getDao().getUserDao().selectByGroup(
id)));
return result;
}
return null;
}
@Override
public ServiceResponse save(Map<String, String> vo) {
GroupEntity group = null;
if (!StringUtils.isEmpty(vo.get("id"))) {
group = getDao().getGroupDao().getById(Long.valueOf(vo.get("id")));
}
if (group == null) {
group = new GroupEntity();
}
group.setName(vo.get("name"));
List<String> errors = getBusiness().getGroupBusiness()
.validateBeforeUpdate(group);
if (errors.isEmpty()) {
getDao().getGroupDao().save(group);
return ServiceResponse.createSuccessResponse(
Messages.get("group.success_save"));
}
else {
return ServiceResponse.createErrorResponse(
Messages.get("errors_occured", errors));
}
}
@Override
public ServiceResponse setGroupUsers(String groupId, List<String> ids) {
Long id = Long.valueOf(groupId);
GroupEntity group = getDao().getGroupDao().getById(id);
if (group != null) {
List<UserGroupEntity> userGroups = getDao().getUserGroupDao()
.selectByGroup(id);
List<String> usersExist = new ArrayList<String>();
for (UserGroupEntity userGroup : userGroups) {
if (!ids.contains(userGroup.getUserId().toString())) {
getDao().getUserGroupDao().remove(userGroup.getId());
}
else {
usersExist.add(userGroup.getUserId().toString());
}
}
for (String userId : ids) {
if (!usersExist.contains(userId)) {
UserGroupEntity userGroup = new UserGroupEntity(
group.getId(), Long.valueOf(userId));
getDao().getUserGroupDao().save(userGroup);
}
}
return ServiceResponse.createSuccessResponse(
Messages.get("group.success_update"));
}
return ServiceResponse.createErrorResponse(
Messages.get("group_not_found"));
}
}