<?php

/**
 * @提醒DS
 *
 * @author jinlong.panjl <jinlong.panjl@aliyun-inc.com>
 * @copyright ©2003-2103 phpwind.com
 * @license http://www.phpwind.com
 * @version $Id$
 * @package wind
 */
class PwRemind {
	
	/**
	 * 根据uid获取最近@数据
	 * 
	 * @param int $uid
	 * @return array 
	 */
	public function getByUid($uid){
		$uid = intval($uid);
		if ($uid < 1) return array();
		return $this->_getRemindDao()->get($uid);
	}
	
	/**
	 * 更新数据
	 *
	 * @param int $uid
	 * @param array $touid
	 * @return bool 
	 */
	public function replaceRemind($uid,$touid) {
		$uid = intval($uid);
		if ($uid < 1) return false;
		return $this->_getRemindDao()->replace(array('uid' => $uid,'touid' => $touid));
	}	 
	
	/**
	 * 删除
	 *
	 * @param int $uid
	 * @return bool
	 */
	public function deleteByUid($uid) {
		$uid = intval($uid);
		if ($uid < 1) return false;
		return $this->_getRemindDao()->delete($uid);
	}	
	
	/**
	 * @return PwRemindDao
	 */
	protected function _getRemindDao() {
		return Wekit::loadDao('remind.dao.PwRemindDao');
	}
}