<?php 
class GbModel extends AdvModel {
	protected $_validate=array(
		array('gb_code','check_vcode','您填写的验证码不正确！',1,'callback',1),
		array('gb_content','require','您没有填写留言内容！',1),
		array('gb_content','check_cookie','您已经留言过了，请休息一会，喝杯咖啡！',1,'callback'),
	);
	protected $_auto=array(
		array('gb_ip','get_client_ip',1,'function'),
		array('gb_addtime','time',1,'function'),
		array('gb_uid','get_uid',1,'callback'),
		array('gb_content','get_content',1,'callback'),
	);
	public function check_vcode(){
		if(C('user_vcode')){
			if($_SESSION['verify'] != md5($_POST['gb_code'])){
				return false;
			}
		}
		return true;
	}	
	public function check_cookie(){
		$cookie = 'gbook-'.intval($_POST['gb_cid']);
		if(isset($_COOKIE[$cookie])){
			return false;
		}
	}	
	public function get_content($str){
		$array = explode('|',C('user_replace'));
		return trim(str_replace($array,'***',nb(nr($str))));
	}
	public function get_uid(){
		$userid = intval($_COOKIE['ff_userid']);
		if ($userid) {
			return $userid;
		}
		return 1;
	}			
}
?>