<?php
namespace Home\Model;
use Think\Model\RelationModel;
class FeedbackModel extends RelationModel{
    protected $_validate,$fieldarr; 
    //关联模型
    protected $_link = array(
        //类别
        "feedback_cat"=>array(
            'mapping_type'  => self::BELONGS_TO,
            'foreign_key'   => 'catid',
        ),
        //用户
        "member"=>array(
            'mapping_type'  => self::BELONGS_TO,
            'mapping_fields'  => "truename,member_id",
            'foreign_key'   => 'member_id',
        )         
    );    
    public function __construct(){  
        //模型id
        $catid=I("catid",0,"int");
        $this->cat=M("feedback_cat")->find($catid);
        if(!$this->cat){
            $this->error="分类不存在";
            return;
        }
        //录入项
        $is_enter=$this->cat["is_enter"];       
        $is_enter_arr=explode(",",trim($is_enter,","));  
        $this->fieldarr=M("feedback_field")->where(array("field"=>array('in',$is_enter_arr)))->order("sort asc,field_id asc")->select();        
        //必填项
        $must_enter=$this->cat["must_enter"];
        $must_enter_arr=explode(",",trim($must_enter,","));        
        $this->must_enter_arr=M("feedback_field")->where(array("field"=>array('in',$must_enter_arr)))->order("sort asc,field_id asc")->select();
        foreach($this->must_enter_arr as $v){
            //自动验证=======================================================================
            //array(验证字段,验证规则,错误提示,[验证条件,附加规则,验证时间])
            //必填项(不能为空验证)
            if(strstr($this->cat["is_enter"],",".$v[field].",")){
                $error_tips=$v[name]."必须填写!";
                //判断是不是checkbox,如果是执行函数验证
                if($v[formtype]=="checkbox"){
                    $error_tips=$v[name]."必须勾选!";
                    $this->_validate[]=array($v[field],'validate_checkbox',$error_tips,1,"callback");
                }
                else{
                    $this->_validate[]=array($v[field],'require',$error_tips,1);
                }
            }
            //正则验证
            if($v[pattern]){
                $p_error_tips=$v[errortips]?$v[errortips]:$v[name]."验证不通过!";
                $this->_validate[]=array($v[field],$v[pattern],$p_error_tips,1,"regex");
            }
            //函数验证
            if($v[savefun]){
                $p_error_tips=$v[errortips]?$v[errortips]:$v[name]."验证不通过!";
                $this->_validate[]=array($v[field],$v[savefun],$p_error_tips,1,"function");
            }
            //值维一验证
            if($v[isunique]){
                $p_error_tips=$v[name]."对应的记录已存在!";
                $this->_validate[]=array($v[field],"",$p_error_tips,0,"unique");
            }
        }
        //注意，这里父类析构函数一定要放到最下面，否则框架自带的方法不能使用
        parent::__construct();
    }
   //自动验证的时候 验证checkbox
   protected function validate_checkbox($arr){
       if(count($arr)){
           return true;
       }else{
           return false;
       }
   }

   //数据完成
   protected function data_create(){
        $data=$this->create();
        $data[addtime]=time();
        $data[member_id]=intval(session("member_id"));
        $data[ip]=  get_client_ip();
        foreach ($this->fieldarr as $v){          
            //复选框
            if($v[formtype]=="checkbox"){
               $data[$v[field]]=implode("|",$data[$v[field]]);
               if($data[$v[field]]){
                   $data[$v[field]]="|".$data[$v[field]]."|";
               }
            }
            //多图上传
            if($v[formtype]=="morepic"){
                $morepic_str="";
                $smallimg=$_POST[$v[field]."_smallimg"];
                $bigimg=$_POST[$v[field]."_bigimg"];
                $imgname=$_POST[$v[field]."_imgname"];
                foreach($smallimg as $key=>$val){
                    $morepic_str.=$smallimg[$key]."||".$bigimg[$key]."||".$imgname[$key]."\r\n";
                }
                $morepic_str=trim($morepic_str,"\r\n");
                $data[$v[field]]=$morepic_str;
            }            
            //如果是编辑器字段截取内容做为简介
            if($v[formtype]=="editor"){
                if(!$data[description]){
                    $data[description]= mb_substr(strip_tags(htmlspecialchars_decode($data[$v[field]])),0,C("display.description_len"),'utf-8');
                }
            }            
            //日期
            if($v[formtype]=="date"){
               $data[$v[field]]=$data[$v[field]]?strtotime($data[$v[field]]):"";
            }
            //未定义的数据设为空【否则mysql会报 cannot be null错误】
            $data[$v[field]]=isset($data[$v[field]])?$data[$v[field]]:"";
            //判断是否为 int smallint tinyint bigint
            if(in_array($v[fieldtype],array("tinyint","smallint","int","bigint"))){
               $data[$v[field]]=abs($data[$v[field]]);//禁止出现负数 
            }
       }
       return $data;
   }
    //增加
    public function data_add(){
        $data=$this->data_create();
        $data['id']=$this->add($data);
        if($data['id']){
            return $data;
        }else{
            $this->error = '缺少字段id！';
            return false;
        }        
    }
}