<?php
/**
 * 用户组关联模型 - 数据对象模型
 * @author Ty80 <e启学教育> 
 * @version TS3.0
 */
class UserGroupLinkModel extends Model {

	protected $tableName = 'user_group_link';
	protected $fields =	array(0 =>'id',1=>'uid',2=>'user_group_id');
	
	/**
	 * 转移用户的用户组
	 * @param string $uids 用户UID，多个用“，”分割
	 * @param string $user_group_id 用户组ID，多个用“，”分割
	 * @return boolean 是否转移成功
	 */
	public function domoveUsergroup($uids, $user_group_id) {
		// 验证数据
		if(empty($uids) && empty($user_group_id)) {
			$this->error = L('PUBLIC_USER_GROUP_EMPTY');			// 用户组或用户不能为空
			return false;
		}
		$uids = explode(',', $uids);
		$user_group_id = explode(',', $user_group_id);
		$uids = array_unique(array_filter($uids));
		$user_group_id = array_unique(array_filter($user_group_id));
		// 过滤掉认证组
		if(!$uids || !$user_group_id) {
			return false;
		}
		$map['uid'] = array('IN', $uids);
		// 认证用户组
		$veritfiedHash = model('UserGroup')->getHashUserGroupVertified();
		if (!empty($veritfiedHash)) {
			$map['user_group_id'] = array('NOT IN', array_keys($veritfiedHash));
		}
		$this->where($map)->delete();
		foreach($uids as $v) {
			$save = array();
			$save['uid'] = $v;
			foreach($user_group_id as $gv){
				$save['user_group_id'] = $gv;
				$this->add($save);
			}
			// 清除权限缓存
			model('Cache')->rm('perm_user_'.$v);
			model ( 'Cache' )->rm ( 'user_group_' . $v );
		}
		model('User')->cleanCache($uids);

		return true;
	}

	/**
	 * 获取用户的用户组信息
	 * @param array $uids 用户UID数组
	 * @return array 用户的用户组信息
	 */
	public function getUserGroup($uids) {
		$uids = !is_array($uids) ? explode(',', $uids) : $uids;
		$uids = array_unique(array_filter($uids));
		if(!$uids) return false;
	
		$return = array();
		foreach ($uids as $uid){
			$return[$uid] = model ( 'Cache' )->get ( 'user_group_' . $uid);
			if($return[$uid]==false){
				$map['uid'] = $uid;
				$list = $this->where($map)->findAll();
				$return[$uid] = getSubByKey($list, 'user_group_id');
				model ( 'Cache' )->set ( 'user_group_' . $uid, $return[$uid]);
			}
		}
		return $return;
	}	

	/**
	 * 获取用户所在用户组详细信息
	 * @param array $uids 用户UID数组
	 * @return array 用户的用户组详细信息
	 */
	public function getUserGroupData($uids){
		$uids = !is_array($uids) ? explode(',', $uids) : $uids;
		$uids = array_unique(array_filter($uids));
		if(!$uids) return false;
		$userGids = $this->getUserGroup($uids);
		//return $userGids;exit;
		$uresult = array();
		foreach ( $userGids as $ug){
			if ( $uresult ){
				$ug && $uresult = array_merge( $uresult , $ug );
			} else {
				$uresult = $ug;
			}
		}
		//把所有用户组信息查询出来
		$ugresult = model('UserGroup')->getUserGroupByGids(array_unique($uresult));
		$groupresult = array();
		foreach ( $ugresult as $ur ){
			$groupresult[$ur['user_group_id']] = $ur;
		}
		foreach($userGids as $k=>$v){
			$ugroup = array();
			foreach ( $userGids[$k] as $userg){
				$ugroup[] = $groupresult[$userg];
			}
			$userGroupData[$k] = $ugroup;
			foreach($userGroupData[$k] as $key => $value) {
				if(isset($value['user_group_icon']) && $value['user_group_icon'] == -1) {
					unset($userGroupData[$k][$key]);
					continue;
				}
				$userGroupData[$k][$key]['user_group_icon_url'] = THEME_PUBLIC_URL.'/image/usergroup/'.$value['user_group_icon'];
			}
		}
		return $userGroupData;
	}
}
