<?php
/**
 * 用户关注模型 - 数据对象模型
 * @author Ty80 <e启学教育>
 * @version 1.0
 */
class FollowModel extends Model {

	protected $tableName = 'user_follow';
	protected $fields = array(0=>'follow_id',1=>'uid',2=>'fid',3=>'remark',4=>'ctime','_autoinc'=>true,'_pk'=>'follow_id');

	/**
	 * 获取关注查询SQL语句，具体使用不清楚
	 * @param integer $uid 用户ID
	 * @return string 关注查询SQL语句
	 */
	public function getFollowingSql($uid) {
		return "SELECT `fid` FROM {$this->tablePrefix}user_follow WHERE `uid` = '{$uid}'";
	}
	
	/**
	 * 获取指定用户的备注列表
	 * @param integer $uid 用户ID
	 * @return array 指定用户的备注列表
	 */
	public function getRemarkHash($uid) {
		if(empty($uid)) {
			return false;
		}
		if(false!==($list = S('follow_remark_'.$uid))) {
			return $list;
		}
		$map['uid'] = $uid;
		// $map['remark'] = array('NEQ', '');//加了效率低,不加数据大
		$list = $this->where($map)->getHashList('fid', 'remark');
		//全查出来，再清除空的数据，这样效率高一些，只要关注数据不太大
		foreach($list as $k=>$v){
			if($v['remark']==''){
				unset($list[$k]);
			}
		}
		S('follow_remark_'.$uid, $list);
		return $list;
	}

	/**
	 * 添加关注 (关注用户)
	 * @example
	 * null：参数错误
	 * 11：已关注
	 * 12：关注成功(且为单向关注) 
	 * 13：关注成功(且为互粉)
	 * @param integer $uid 发起操作的用户ID
	 * @param integer $fid 被关注的用户ID或被关注的话题ID
	 * @return boolean 是否关注成功
	 */
	public function doFollow($uid, $fid) {
		if ( intval( $uid ) <= 0 || $fid <= 0 ){
			$this->error= L('PUBLIC_WRONG_DATA');			// 错误的参数
			return false;
		}

		if ($uid == $fid){
			$this->error=L('PUBLIC_FOLLOWING_MYSELF_FORBIDDEN');		// 不能关注自己
			return false;
		}

		if (!model('User')->find($fid)){
			$this->error=L('PUBLIC_FOLLOWING_PEOPLE_NOEXIST');			// 被关注的用户不存在
			return false;
		}

		if (model('UserPrivacy')->isInBlackList($uid,$fid)) {
			$this->error='根据对方设置，您无法关注TA';
			return false;
		}else if(model('UserPrivacy')->isInBlackList($fid,$uid)){
			$this->error='您已把对方加入黑名单';
			return false;
		}
		//维护感兴趣的人的缓存
		model('Cache')->set('related_user_'.$uid, '' , 24 * 60 * 60);
		// 获取双方的关注关系
		$follow_state = $this->getFollowState($uid, $fid);
 		// 未关注状态
		if(0 == $follow_state['following']) {
			// 添加关注
			$map['uid']  = $uid;
			$map['fid']  = $fid;
			$map['ctime'] = time();
			$result = $this->add($map);
			// 通知和微博
/*			model('Notify')->send($fid, 'user_follow', '', $uid);
			model('Feed')->put('user_follow', array('fid'=>$fid), $uid);*/
			S('follow_remark_'.$uid,null);
			if($result) {
				$maps['key'] = 'email';
                $maps['uid'] = $fid;
                $isEmail = D('user_privacy')->where($map)->field('value')->find();
                if($isEmail['value'] === 0){
                	$userInfo = model('User')->getUserInfo($fid);
                    model('Mail')->send_email($userInfo['email'],'您增加了一个新粉丝','content');
                }
				$this->error = L('PUBLIC_ADD_FOLLOW_SUCCESS');			// 关注成功
				$this->_updateFollowCount($uid, $fid, true);			// 更新统计
				$follow_state['following'] = 1;
				return $follow_state;
			} else {
				$this->error = L('PUBLIC_ADD_FOLLOW_FAIL');				// 关注失败
				return false;
			}
		} else {
			$this->error = L('PUBLIC_FOLLOW_ING');						// 已关注
			return false;
		}
	}

	public function bulkDoFollow($uid, $fids) {
		$follow_states = $this->getFollowStateByFids($uid, $fids);
		$data  = array();
		$_fids = array();
		foreach ($follow_states as $f_s_k => $f_s_v) {
	 		// 未关注
			if (0 == $f_s_v['following']) {
				// 关注的字段数据
				$data[]  = "({$uid}, {$f_s_k},".time().")";
				$_fids[] = $f_s_k;
				$follow_states[$f_s_k]['following'] = 1;
				// 通知和微博
/*				model('Notify')->send($fid, 'user_follow', '', $uid);
				model('Feed')->put('user_follow', array('fid'=>$fid), $uid);*/
			} else {
				unset($follow_states[$f_s_k]);
			}
		}
		if (!empty($data)) {
			$sql = "INSERT INTO {$this->tablePrefix}{$this->tableName}(`uid`,`fid`,`ctime`) VALUES" . implode(',', $data);
			$res = $this->execute($sql);
			if ($res) {
				// 关注成功
				$this->error=L('PUBLIC_ADD_FOLLOW_SUCCESS');

				// 更新统计
				$this->_updateFollowCount($uid, $_fids, true);

				return $follow_states;
			} else {
				$this->error = L('PUBLIC_ADD_FOLLOW_FAIL');
				return false;
			}
		} else {
			// 全部已关注
			$this->error = L('PUBLIC_FOLLOW_ING');
			return false;
		}
	}

	/**
	 * 双向关注用户操作
	 * @param integer $uid 用户ID
	 * @param array $fids 需关注用户ID数组
	 * @return boolean 是否双向关注成功
	 */
	public function eachDoFollow($uid, $fids)
	{
		// 获取用户关组状态
		$followStates = $this->getFollowStateByFids($uid, $fids);
		$data = array();
		$_following = array();
		$_follower = array();
		
		foreach($followStates as $key => $value) {
			if(0 == $value['following']) {
				$data[] = "({$uid}, {$key}, ".time().")";
				$_following[] = $key;
			}
			if(0 == $value['follower']) {
				$data[] = "({$key}, {$uid}, ".time().")";
				$_follower[] = $key;
			}
		}
		// 处理数据结果
		if(!empty($data)) {
			$sql = "INSERT INTO {$this->tablePrefix}{$this->tableName}(`uid`,`fid`,`ctime`) VALUES ".implode(',', $data);
			$res = $this->execute($sql);
			if($res) {
				// 关注成功
				$this->error = L('PUBLIC_ADD_FOLLOW_SUCCESS');
				
				//被关注人的关注人数+1
				foreach ( $_follower as $fo){
					model('UserData')->setUid($fo)->updateKey('following_count', 1, true);
				}
				// 更新被关注人的粉丝数统计
				$this->_updateFollowCount($uid, $_following, true);
				//更新关注人的粉丝数
				model('UserData')->setUid($uid)->updateKey('follower_count', count($_follower), true);
				return true;
			} else {
				$this->error = L('PUBLIC_ADD_FOLLOW_FAIL');
				return false;
			}
		} else {
			// 已经全部关注
			$this->error = L('PUBLIC_FOLLOW_ING');
			return false;
		}
	}

	/**
	 * 取消关注（关注用户 / 关注话题）
	 * @example
	 * 00：取消失败
	 * 01：取消成功
	 * @param integer $uid 发起操作的用户ID
	 * @param integer $fid 被取消关注的用户ID或被取消关注的话题ID
	 * @return boolean 是否取消关注成功
	 */
	public function unFollow($uid, $fid) {
		$map['uid'] = $uid;
		$map['fid'] = $fid;
		// 获取双方的关注关系
		$follow_state = $this->getFollowState($uid, $fid);
		if(1 == $follow_state['following']) {
			// 已关注
			// 清除对该用户的分组，再删除关注
			if((false !== D('UserFollowGroupLink')->where($map)->delete()) && $this->where($map)->delete()) {
				//D('UserFollowGroupLink')->where($map)->delete();
				S('follow_remark_'.$uid,null);
				$this->error = L('PUBLIC_ADMIN_OPRETING_SUCCESS');			// 操作成功
				$this->_updateFollowCount($uid, $fid, false);				// 更新统计
				$follow_state['following'] = 0;
				return $follow_state;
			} else {
				$this->error = L('PUBLIC_ADMIN_OPRETING_ERROR');			// 操作失败
				return false;
			}
		} else {
			// 未关注
			$this->error = L('PUBLIC_ADMIN_OPRETING_ERROR');				// 操作失败
			return false;
		}
	}

	/**
	 * 获取指定用户的关注与粉丝数
	 * @param array $uids 用户ID数组
	 * @return array 指定用户的关注与粉丝数
	 */
	public function getFollowCount($uids) {
		$count = array();
		foreach($uids as $u_v) {
			$count[$u_v] = array('following'=>0,'follower'=>0);
		}

		$following_map['uid'] = $follower_map['fid'] = array('IN', $uids);
		// 关注数
		$following = $this->field('COUNT(1) AS `count`,`uid`')->where($following_map)->group('`uid`')->findAll();
		foreach($following as $v) {
			$count[$v['uid']]['following'] = $v['count'];
		}
		// 粉丝数
		$follower = $this->field('COUNT(1) AS `count`,`fid`')->where($follower_map)->group('`fid`')->findAll();
		foreach ($follower as $v) {
			$count[$v['fid']]['follower'] = $v['count'];
		}

		return $count;
	}

	/**
	 * 获取指定用户的关注列表 分页
	 * @param integer $uid 用户ID
	 * @param integer $gid 关注组ID，默认为空
	 * @param integer $limit 结果集数目，默认为10
	 * @return array 指定用户的关注列表
	 */
	public function getFollowingList($uid, $gid = null, $limit = 10) {
		$limit = intval($limit) > 0 ? $limit : 10;
		if(is_numeric($gid)) {
			// 关组分组
			if($gid == 0) {
				$list = $this->table("{$this->tablePrefix}{$this->tableName} AS follow LEFT JOIN {$this->tablePrefix}user_follow_group_link AS link ON link.follow_id = follow.follow_id")
							 ->field('follow.*')
							 ->where("follow.uid={$uid} AND link.follow_id IS NULL")
							 ->order('follow.uid DESC')
							 ->findPage($limit);
			} else {
				$list = $this->field('follow.*')
						 	 ->table("{$this->tablePrefix}user_follow_group_link AS link LEFT JOIN {$this->tablePrefix}{$this->tableName} AS follow ON link.follow_id=follow.follow_id AND link.uid=follow.uid")
						 	 ->where("follow.uid={$uid} AND link.follow_group_id={$gid}")
						 	 ->order('follow.uid DESC')
						 	 ->findPage($limit);
			}
		} else {
			// 没有指定关组分组的列表
			$list = $this->where("`uid`={$uid}")->order('`follow_id` DESC')->findPage($limit);
		}

		return $list;
	}

	/**
	 * 获取指定用户的关注列表  不分页
	 * @param integer $uid 用户ID
	 * @param integer $gid 关注组ID，默认为空
	 * @param integer $limit 结果集数目，默认为10
	 * @return array 指定用户的关注列表
	 */
	public function getFollowingListAll($uid, $gid = null) {
		if(is_numeric($gid)) {
			// 关组分组
			if($gid == 0) {
				$list = $this->table("{$this->tablePrefix}{$this->tableName} AS follow LEFT JOIN {$this->tablePrefix}user_follow_group_link AS link ON link.follow_id = follow.follow_id")
							 ->field('follow.*')
							 ->where("follow.uid={$uid} AND link.follow_id IS NULL")
							 ->order('follow.uid DESC')
							 ->findAll();
			} else {
				$list = $this->field('follow.*')
						 	 ->table("{$this->tablePrefix}user_follow_group_link AS link LEFT JOIN {$this->tablePrefix}{$this->tableName} AS follow ON link.follow_id=follow.follow_id AND link.uid=follow.uid")
						 	 ->where("follow.uid={$uid} AND link.follow_group_id={$gid}")
						 	 ->order('follow.uid DESC')
						 	 ->findAll();
			}
		} else {
			// 没有指定关组分组的列表
			$list = $this->where("`uid`={$uid}")->order('`follow_id` DESC')->findAll();
		}

		return $list;
	}


	/**
	 * 获取指定用户的粉丝列表
	 * @param integer $uid 用户ID
	 * @param integer $limit 结果集数目，默认为10
	 * @return array 指定用户的粉丝列表
	 */
	public function getFollowerList($uid, $limit = 10) {
		$limit = intval($limit) > 0 ? $limit : 10;
		// 粉丝列表
		$list = $this->where("`fid`={$uid}")->order('`follow_id` DESC')->findPage($limit);
		$fids = getSubByKey($list['data'], 'uid');
		// 格式化数据
		foreach($list['data'] as $key => $value) {
			$uid = $value['uid'];
			$fid = $value['fid'];
			$list['data'][$key]['uid'] = $fid;
			$list['data'][$key]['fid'] = $uid;
		}

		return $list;
	}

	/**
	 * 获取用户uid与用户fid的关注状态，已uid为主
	 * @param integer $uid 用户ID
	 * @param integer $fid 用户ID
	 * @return integer 用户关注状态，格式为array('following'=>1,'follower'=>1)
	 */
	public function getFollowState($uid, $fid) {
		$follow_state = $this->getFollowStateByFids($uid, $fid);
		return $follow_state[$fid];
	}

	/**
	 * 批量获取用户uid与一群人fids的彼此关注状态
	 * @param integer $uid 用户ID
	 * @param array $fids 用户ID数组
	 * @return array 用户uid与一群人fids的彼此关注状态
	 */
	public function getFollowStateByFids($uid, $fids) {
		array_map( 'intval' , $fids);
		$_fids = is_array($fids) ? implode(',', $fids) : $fids;
		if(empty($_fids)) {
			return array();
		}
		$follow_data = $this->where(" ( uid = '{$uid}' AND fid IN({$_fids}) ) OR ( uid IN({$_fids}) and fid = '{$uid}')")->findAll();
		$follow_states = $this->_formatFollowState($uid, $fids, $follow_data);
		return $follow_states[$uid];
	}

	/**
	 * 获取朋友列表数据 - 分页
	 * @param integer $uid 用户ID
	 * @return array 朋友列表数据
	 */
	public function getFriendsList($uid) {
		$data = D()->table('`'.$this->tablePrefix.'user_follow` AS a LEFT JOIN `'.$this->tablePrefix.'user_follow` AS b ON a.uid = b.fid AND b.uid = a.fid')
				   ->field('a.fid')
				   ->where('a.uid = '.$uid.' AND b.uid IS NOT NULL')
				   ->order('a.follow_id DESC')
				   ->findPage();

		return $data;
	}

	/**
	 * 获取朋友列表数据 - 不分页
	 * @param integer $uid 用户ID
	 * @return array 朋友列表数据
	 */
	public function getFriendsData($uid) {
		$data = D()->table('`'.$this->tablePrefix.'user_follow` AS a LEFT JOIN `'.$this->tablePrefix.'user_follow` AS b ON a.uid = b.fid AND b.uid = a.fid')
				   ->field('a.fid')
				   ->where('a.uid = '.$uid.' AND b.uid IS NOT NULL')
				   ->findAll();

		return $data;
	}

	/**
	 * 获取所有关注用户数据
	 * @param integer $uid 用户ID
	 * @return array 所有关注用户数据
	 */
	public function getFollowingsList($uid) {
		$data = $this->field('fid')->where('uid='.$uid)->order('follow_id DESC')->findPage();
		return $data;
	}

	/**
	 * 格式化，用户的关注数据
	 * @param integer $uid 用户ID
	 * @param array $fids 用户ID数组
	 * @param array $follow_data 关注状态数据
	 * @return array 格式化后的用户关注状态数据
	 */
	private function _formatFollowState($uid, $fids, $follow_data) {
		!is_array($fids) && $fids = explode(',', $fids);
		foreach($fids as $fid) {
			$follow_states[$uid][$fid] = array('following'=>0,'follower'=>0);
		}
		foreach($follow_data as $r_v) {
			if($r_v['uid'] == $uid) {
				$follow_states[$r_v['uid']][$r_v['fid']]['following'] = 1;
			} else if($r_v['fid'] == $uid) {
				$follow_states[$r_v['fid']][$r_v['uid']]['follower'] = 1;
			}
		}

		return $follow_states;
	}

	/**
	 * 更新关注数目
	 * @param integer $uid 操作用户ID
	 * @param array $fids 被操作用户ID数组
	 * @param boolean $inc 是否为加数据，默认为true
	 * @return void
	 */
	private function _updateFollowCount($uid, $fids, $inc = true) {
		!is_array($fids) && $fids = explode(',', $fids);
		$data_model = model('UserData');
		// 添加关注数
		$data_model->setUid($uid)->updateKey('following_count', count($fids), $inc);
		foreach($fids as $f_v) {
			// 添加粉丝数
			$data_model->setUid($f_v)->updateKey('follower_count', 1, $inc);
			$data_model->setUid($f_v)->updateKey('new_folower_count', 1, $inc);
		}
	}

	/*** API使用 ***/
	/**
	 * 获取指定用户粉丝列表，API使用
	 * @param integer $mid 当前登录用户ID
	 * @param integer $uid 指定用户ID
	 * @param integer $since_id 主键起始ID，默认为0
	 * @param integer $max_id 主键最大ID，默认为0
	 * @param integer $limit 结果集数目，默认为20
	 * @param integer $page 页数ID，默认为1
	 * @return array 指定用户的粉丝列表数据
	 */
	public function getFollowerListForApi($mid, $uid, $since_id = 0, $max_id = 0, $limit = 20, $page = 1) {
		$uid = intval($uid);
		$since_id = intval($since_id);
		$max_id = intval($max_id);
		$limit = intval($limit);
		$page = intval($page); 
		$where = " fid = '{$uid}'";
		if(!empty($since_id) || !empty($max_id)) {
			!empty($since_id) && $where .= " AND follow_id > {$since_id}";
			!empty($max_id) && $where .= " AND follow_id < {$max_id}";
		}
		$start = ($page - 1) * $limit;
		$end = $limit;
		$list = $this->where($where)->limit("{$start},{$end}")->order('follow_id DESC')->findAll();
		if(empty($list)) {
			return array();
		} else {
			$r = array();
			foreach($list as $key => $value) {
				$uid = $value['uid'];
				$fid = $value['fid'];
				$r[$key] = model('User')->formatForApi($value, $uid, $mid);
				unset($r[$key]['fid']);
			}
			return $r;
		}	
	}

	/**
	 * 获取指定用户关注列表，API使用
	 * @param integer $mid 当前登录用户ID
	 * @param integer $uid 指定用户ID
	 * @param integer $since_id 主键起始ID，默认为0
	 * @param integer $max_id 主键最大ID，默认为0
	 * @param integer $limit 结果集数目，默认为20
	 * @param integer $page 页数ID，默认为1
	 * @return array 指定用户的关注列表数据
	 */
	public function getFollowingListForApi($mid, $uid, $since_id = 0, $max_id = 0, $limit = 20, $page = 1) {
		$uid = intval($uid);
		$since_id = intval($since_id);
		$max_id = intval($max_id);
		$limit = intval($limit);
		$page = intval($page); 
		$where = " uid = '{$uid}'";
		if(!empty($since_id) || !empty($max_id)) {
			!empty($since_id) && $where .= " AND follow_id > {$since_id}";
			!empty($max_id) && $where .= " AND follow_id < {$max_id}";
		}
		$start = ($page - 1) * $limit;
		$end = $limit;
		$list = $this->where($where)->limit("{$start},{$end}")->order('follow_id DESC')->findAll();
		if(empty($list)) {
			return array();
		} else {
			$r = array();
			foreach($list as $key => $value) {
				$uid = $value['fid'];
				$value['uid'] = $uid;
				$r[$key] = model('User')->formatForApi($value, $uid, $mid);
				unset($r[$key]['fid']);
			}
			return $r;
		}	
	}

	/**
	 * 获取指定用户的朋友列表，API专用
	 * @param integer $mid 当前登录用户ID
	 * @param integer $uid 指定用户ID
	 * @param integer $since_id 主键起始ID，默认为0
	 * @param integer $max_id 主键最大ID，默认为0
	 * @param integer $limit 结果集数目，默认为20
	 * @param integer $page 页数ID，默认为1
	 * @return array 指定用户的朋友列表
	 */
	public function getFriendsForApi($mid, $uid, $since_id = 0, $max_id = 0, $limit = 20, $page = 1)
	{
		$uid = intval($uid);
		$since_id = intval($since_id);
		$max_id = intval($max_id);
		$limit = intval($limit);
		$page = intval($page);
		$where = " a.uid = '{$uid}' AND b.uid IS NOT NULL";
		if(!empty($since_id) || !empty($max_id)) {
			!empty($since_id) && $where .= " AND a.follow_id > {$since_id}";
			!empty($max_id) && $where .= " AND a.follow_id > {$max_id}";
		}
		$start = ($page - 1) * $limit;
		$end = $limit;
		$list = D()->table('`'.$this->tablePrefix.'user_follow` AS a LEFT JOIN `'.$this->tablePrefix.'user_follow` AS b ON a.uid = b.fid AND b.uid = a.fid')
				   ->field('a.fid, a.follow_id')
				   ->where($where)
				   ->limit("{$start}, {$end}")
				   ->order('a.follow_id DESC')
				   ->findAll();

		if(empty($list)) {
			return array();
		} else {
			$r = array();
			foreach($list as $key => $value) {
				$uid = $value['fid'];
				$value['uid'] = $uid;
				$r[$key] = model('User')->formatForApi($value, $uid, $mid);
				unset($r[$key]['fid']);
			}
			return $r;
		}
	}


// ***************************************************ts2.XX  应用移动新增函数
	function getfollowList($uid){
		$list= $this->field('fid')->where("uid=$uid AND type=0")->findall();
		return $list;
	}

	/**
	 * 数据库搜索关注用户
	 * @param string $key 关键字
	 * @param string $type 关键字，following,follower
	 * @param integer $limit 结果集数目
	 * @param integer $uid 指定用户UID
	 * @param integer $gid 分组ID
	 * @return array 搜索后的数据
	 */
	public function searchFollows ($key, $type, $limit = 20, $uid, $gid) {
		// 数据参数不正确
		if ($key === '' || empty($uid)) {
			return array();
		}
		// 获取查询数据
		if ($type === 'following') {
			$map['a.`uid`'] = $uid;
			$map['b.`uname`'] = array('LIKE', '%'.$key.'%');
			$gid = empty($gid) ? 0 : intval($gid);
			switch ($gid) {
				case 0:
					$list = D()->table('`'.C('DB_PREFIX').'user_follow` AS a LEFT JOIN `'.C('DB_PREFIX').'user` AS b ON a.`fid` = b.`uid`')
							   ->field('a.`fid`')
							   ->where($map)
							   ->findPage($limit);
					break;
				case -1:
					$map['c.`uid`'] = array('EXP', 'IS NOT NULL');
					$list = D()->table('`'.C('DB_PREFIX').'user_follow` AS a LEFT JOIN `'.C('DB_PREFIX').'user_follow` AS c ON a.`uid` = c.`fid` AND c.`uid` = a.`fid` LEFT JOIN `'.C('DB_PREFIX').'user` AS b ON a.`fid` = b.`uid`')
				   			   ->field('a.fid')
				   			   ->where($map)
				   			   ->order('a.follow_id DESC')
				   			   ->findPage($limit);
					break;
				case -2:
					$uid = intval($uid);
					$map['c.`fid`'] = array('EXP', 'IS NULL');
					$list = $this->table('`'.C('DB_PREFIX').'user_follow` AS a LEFT JOIN `'.C('DB_PREFIX').'user_follow_group_link` AS c ON a.`fid` = c.`fid` LEFT JOIN `'.C('DB_PREFIX').'user` AS b ON a.`fid` = b.`uid`')
								 ->field('a.fid')
								 ->where($map)
								 ->order('a.follow_id DESC')
								 ->findPage($limit);
					break;
				default:
					$map['c.`follow_group_id`'] = $gid;
					$list = $this->table('`'.C('DB_PREFIX').'user_follow` AS a LEFT JOIN `'.C('DB_PREFIX').'user_follow_group_link` AS c ON a.follow_id=c.follow_id AND a.uid=c.uid LEFT JOIN `'.C('DB_PREFIX').'user` AS b ON a.`fid` = b.`uid`')
								 ->field('a.fid')
				    			 ->where($map)
				    			 ->order('a.follow_id DESC')
				    			 ->findPage($limit);
					
			}
		} else if ($type === 'follower') {
			$map['a.`fid`'] = $uid;
			$map['b.`uname`'] = array('LIKE', '%'.$key.'%');
			$list = D()->table('`'.C('DB_PREFIX').'user_follow` AS a LEFT JOIN `'.C('DB_PREFIX').'user` AS b ON a.`uid` = b.`uid`')
					   ->field('a.`uid` AS `fid`')
					   ->where($map)
					   ->findPage($limit);
		}

		return $list;
	}
}
