/*
* UserDAO.java
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* Author: Winter Lau (javayou@gmail.com)
* http://dlog4j.sourceforge.net
*/
package com.liusoft.dlog4j.dao;
import java.sql.Timestamp;
import java.util.Date;
import java.util.List;
import org.hibernate.HibernateException;
import org.hibernate.Query;
import org.hibernate.Session;
import com.liusoft.dlog4j.beans.FriendBean;
import com.liusoft.dlog4j.beans.MyBlackListBean;
import com.liusoft.dlog4j.beans.UserBean;
/**
* 用户相关的数据库访问接口
* @author liudong
*/
public class UserDAO extends DAO {
/**
* 返回某个站点的注册用户数,如果没有指定站点则返回注册用户总数
* @param site
* @return
*/
public static int getUserCount(int site){
String hql = "SELECT COUNT(*) FROM UserBean d WHERE d.status=?";
if(site>0){
hql += " AND d.site.id=?";
return executeStatAsInt(hql, UserBean.STATUS_NORMAL, site);
}
return executeStatAsInt(hql, UserBean.STATUS_NORMAL);
}
/**
* 添加好友
* @param friend
*/
public static boolean addFriend(FriendBean friend){
if(namedUniqueResult("FRIEND", friend.getOwner(), friend.getFriend().getId())==null){
save(friend);
return true;
}
return false;
}
/**
* 添加黑名单
* @param myId
* @param otherId
* @param type
* @return
*/
public static boolean addBlackList(int myId, int otherId, int type){
if(namedUniqueResult("BLACKLIST", myId, otherId)==null){
MyBlackListBean fbean = new MyBlackListBean();
fbean.setAddTime(new Date());
fbean.setMyId(myId);
fbean.setOther(new UserBean(otherId));
fbean.setType(type);
save(fbean);
return true;
}
return false;
}
/**
* 从黑名单中删除某个用户
* @param myId
* @param otherId
* @return
*/
public static boolean delBlackList(int myId, int otherId){
return commitNamedUpdate("DELETE_BLACKLIST", myId, otherId)>0;
}
/**
* 判断某用户是否在你的黑名单中
* @param myId
* @param otherId
* @return
*/
public static boolean isUserInBlackList(int myId, int otherId){
return namedUniqueResult("BLACKLIST", myId, otherId)!=null;
}
/**
* 查询在线用户
* @param site_id
* @param fromIdx
* @param count
* @return
*/
public static List listOnlineUsers(int site_id, int fromIdx, int count){
return executeNamedQuery("ONLINE_USERS", fromIdx, count, site_id, UserBean.STATUS_ONLINE);
}
/**
* 查询在线用户数
* @param site_id
* @return
*/
public static int getOnlineUserCount(int site_id){
return executeNamedStat("ONLINE_USER_COUNT", site_id, UserBean.STATUS_ONLINE).intValue();
}
/**
* 判断两人是否好友
* @param ownerId
* @param friendId
* @return
*/
public static FriendBean getFriend(int ownerId, int friendId){
return (FriendBean)namedUniqueResult("FRIEND", ownerId, friendId);
}
/**
* 返回某人的好友数
* @param ownerId
* @return
*/
public static int getFriendCount(int ownerId){
return executeNamedStat("FRIEND_COUNT", ownerId).intValue();
}
/**
* 列出某人的好友
* @param ownerId
* @param fromIdx
* @param count
* @return
*/
public static List listFriends(int ownerId, int fromIdx, int count){
return executeNamedQuery("LIST_FRIEND", fromIdx, count, ownerId);
}
/**
* 返回某人的黑名单用户数
* @param ownerId
* @return
*/
public static int getBlackUserCount(int ownerId){
return executeNamedStat("BLACKLIST_COUNT", ownerId).intValue();
}
/**
* 列出某人黑名单中的用户
* @param ownerId
* @param fromIdx
* @param count
* @return
*/
public static List listBlackUsers(int ownerId, int fromIdx, int count){
return executeNamedQuery("LIST_BLACKLIST", fromIdx, count, ownerId);
}
/**
* 删除两个人的好友关系
* @param ownerId
* @param friendId
*/
public static int deleteFriend(int ownerId, String[] friendIds){
if(friendIds == null|| friendIds.length == 0)
return 0;
StringBuffer hql = new StringBuffer("DELETE FROM FriendBean f WHERE f.owner=? AND f.friend.id IN (");
for(int i=0;i hql.append("?,");
}
hql.append("?)");
Session ssn = getSession();
try{
beginTransaction();
Query q = ssn.createQuery(hql.toString());
q.setInteger(0, ownerId);
int i=0;
for(;i String s_id = (String)friendIds[i];
int id = -1;
try{
id = Integer.parseInt(s_id);
}catch(Exception e){}
q.setInteger(i+1, id);
}
q.setInteger(i+1, -1);
int er = q.executeUpdate();
commit();
return er;
}catch(HibernateException e){
rollback();
throw e;
}
}
/**
* 删除黑名单
* @param ownerId
* @param friendId
*/
public static int deleteBlacklist(int ownerId, String[] otherIds){
if(otherIds == null|| otherIds.length == 0)
return 0;
StringBuffer hql = new StringBuffer("DELETE FROM MyBlackListBean f WHERE f.myId=? AND f.other.id IN (");
for(int i=0;i hql.append("?,");
}
hql.append("?)");
Session ssn = getSession();
try{
beginTransaction();
Query q = ssn.createQuery(hql.toString());
q.setInteger(0, ownerId);
int i=0;
for(;i String s_id = (String)otherIds[i];
int id = -1;
try{
id = Integer.parseInt(s_id);
}catch(Exception e){}
q.setInteger(i+1, id);
}
q.setInteger(i+1, -1);
int er = q.executeUpdate();
commit();
return er;
}catch(HibernateException e){
rollback();
throw e;
}
}
/**
* 搜索某个站的注册用户
* @param site
* @param searchKey
* @return
*/
public static List searchUser(String searchKey){
String key = searchKey + '%';
return executeNamedQuery("SEARCH_USER", -1, 20, new Object[]{key, key});
}
/**
* 创建新用户
* @param user
* @param commit
* @return
*/
public static boolean createUser(UserBean user){
if(user == null)
return false;
Timestamp ct = new Timestamp(System.currentTimeMillis());
user.setRegTime(ct);
user.setLastTime(ct);
user.setStatus(UserBean.STATUS_NORMAL);
save(user);
return true;
}
/**
* 列出从某个网站上注册的用户(_xxx_top_info.vm, users.vm)
* @param site_id
* @param fromIdx
* @param count
* @return
*/
public static List listUsersFromSite(int site_id, int fromIdx, int count){
return executeNamedQuery("LIST_REGUSERS_OF_SITE", fromIdx, count, site_id);
}
/**
* 列出从某个网站上注册的用户数(users.vm)
* @param site_id
* @return
*/
public static int getUserCountFromSite(int site_id){
return executeNamedStat("REGUSER_COUNT_OF_SITE", site_id).intValue();
}
/**
* 更新用户资料
* @param user
* @param commit
* @throws HibernateException
*/
public static void updateUser(UserBean user){
flush();
}
/**
* 清除keep_days字段值,用于注销时候调用
* @param userid
* @param lastLogin 最近一次登录的时间
* @param manual_logout 是否手工注销
* @return
*/
public static int userLogout(int userid, Timestamp lastLogin, boolean manual_logout){
Session ssn = getSession();
if(ssn == null)
return -1;
try{
beginTransaction();
Query q = ssn.getNamedQuery(manual_logout?"USER_LOGOUT_1":"USER_LOGOUT_2");
q.setInteger("online_status", UserBean.STATUS_OFFLINE);
if(manual_logout)
q.setInteger("keep_day", 0);
q.setInteger("user_id", userid);
q.setTimestamp("last_time", lastLogin);
int er = q.executeUpdate();
commit();
return er;
}catch(HibernateException e){
rollback();
throw e;
}
}
/**
* 根据用户编号获取用户详细信息
* @param user_id
* @return
* @throws HibernateException
*/
public static UserBean getUserByID(int user_id){
if(user_id < 0)
return null;
return (UserBean)getBean(UserBean.class, user_id);
}
/**
* 根据用户名加载用户资料,用于用户的登录
* @param username
* @return
* @throws HibernateException
*/
public static UserBean getUserByName(String username){
return (UserBean)namedUniqueResult("GET_USER_BY_NAME", username);
}
/**
* 根据用户昵称加载用户资料,用于注册时不允许同名存在
* @param nickname
* @return
* @throws HibernateException
*/
public static UserBean getUserByNickname(String nickname){
return (UserBean)namedUniqueResult("GET_USER_BY_NICKNAME", nickname);
}
}
