<?php

/**
 * 用户黑名单
 *
 * @author jinlong.panjl <jinlong.panjl@aliyun-inc.com>
 * @copyright 2003-2103 phpwind.com
 * @license http://www.phpwind.com
 * @version $Id$
 * @package wind
 */
class PwUserBlack {
	
	/**
	 * 获取用户黑名单
	 * 
	 * @param int $uid
	 * @return array
	 */
	public function getBlacklist($uid){
		return $this->_getWindidUserBlack()->getBlack($uid);
	}
	
	/**
	 * 批量获取用户黑名单
	 * 
	 * @param array $uids
	 * @return array
	 */
	public function fetchBlacklist($uids){
		return $this->_getWindidUserBlack()->fetchBlack($uids);
	}
	
	/**
	 * 设置用户黑名单
	 * 
	 * @param int $uid
	 * @param int $blackUid 
	 */
	public function setBlacklist($uid,$blackUid){
		return $this->_getWindidUserBlack()->addBlack($uid, $blackUid);
	}
	
	/**
	 * 替换黑名单
	 * 
	 * @param int $uid
	 * @param array $blackList 
	 */
	public function replaceBlack($uid,$blackList){
		return $this->_getWindidUserBlack()->replaceBlack($uid, $blackList);
	}
	
	/**
	 * 删除
	 * 
	 * @param int $uid
	 * @return bool 
	 */
	public function deleteBlacklist($uid) {
		return $this->_getWindidUserBlack()->delBlack($uid);
	}

	/**
	 * 检测是否黑名单
	 *
	 * @param int $uid
	 * @param array $uids
	 * @return array | bool
	 */
	public function checkUserBlack($uid, $uids) {
		!is_array($uids) && $uids = array($uids);
		$blacks = $this->fetchBlacklist($uids);
		$privateBlacks = array();
		foreach ($blacks as $v) {
			if ($v['blacklist']) {
				$blacklist = @unserialize($v['blacklist']);
				in_array($uid, $blacklist)&& $privateBlacks[] = $v['uid'];
			}
		}
		return $privateBlacks ? $privateBlacks : false;
	}

	/**
	 * @return WindidUserBlack
	 */
	protected function _getWindidUserBlack() {
		return WindidApi::api('user');
	}
}