<?php
namespace Admin\Model;
use Think\Model;
class FeedbackCatModel extends Model{
    const modelTempPath = 'Data/feedbackTemp/'; //模型表单模板路径
    //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])
    protected $_validate = array(
        array('name','require','请填写名称！',1),
    ); 
    //自动完成
    protected $_auto = array (
        array('formtemp','get_formtemp',3,'callback'),  //表单的form内容
        array('member_group','arr2string',3,'callback'),  //表单的form内容
    );    
    //自动完成-把数组转换为字符串便于存到数据里
    public function arr2string($arr){
        $str=  implode(",", $arr);
        if($str){
            $str=",".$str.",";
        }
        return $str;
    }  
    //自动完成-get_formtemp
    //检查SQL文件是否存在！
    public function get_formtemp() {
        $field_name=I("post.field_name");
        $field=I("post.field");
        $str="";
        foreach($field as $key=>$v){
            $str.=$field_name[$key]."<!--field-->".$field[$key]."\r\n";
        }        
        return trim($str);
    }     
    //保存模型 增加和修改都调用此方法
    public function data_save(){
        $data=$this->create();
        $data["is_enter"]=$this->arr2string(I("post.is_enter"));
        $data["must_enter"]=$this->arr2string(I("post.must_enter"));
        if($data["catid"]){
            $this->save($data);
            $catid = $data["catid"];
        }else{
            $catid = $this->add($data);
            $data["catid"]=$catid;
        }
        if ($catid) {
            $this->updateModelTemp($catid);         
        } else {
            return false;
        }
        //
        return $data;
    } 
    //删除模型
    public function data_delete($catid) {
        if (empty($catid)){
            $this->error = 'id不存在！';
            return false;
        }

        $data = $this->where(array("catid" => $catid))->find();
        if (!$data) {
            $this->error = '分类不存在！';
            return false;
        }
        //检查该模型下是否有分类
        $count = M("feedback")->where(array("catid" => $catid))->count();
        if ($count) {
            $this->error = '该分类下有信息，请先删除信息！';
            return false;
        }
        //删除模型数据
        $this->where(array("catid" => $catid))->delete();
        //删除模型表单文件
        unlink(APP_PATH.self::modelTempPath.$catid.".php");        
        return true;
    }       
    /**
     * 更新模型模板文件
     * @param type $catid 模型id
     * @return boolean
     */
    public function updateModelTemp($catid){
        $cat=$this->find($catid);
        //将model里的is_enter is_contribute must_enter is_list is_search is_sort 依次拿出来和table_field对比，如果不存在就删除（防止因删除字段和修改字段名而造成model里的这些字段不更新导致的错误）
        $field=M("feedback_field")->field("field")->order("sort asc,field_id asc")->select();
        $new["catid"]=$catid;
        foreach($field as $v){
            //录入项
            if(strstr($cat["is_enter"], ",".$v["field"].",")){
                $new["is_enter"].=",".$v["field"];
            }            
            //必填项
            if(strstr($cat["must_enter"], ",".$v["field"].",")){
                $new["must_enter"].=",".$v["field"];
            }           
        }
        $new["is_enter"]=$new["is_enter"]?$new["is_enter"].",":"";
        $new["must_enter"]=$new["must_enter"]?$new["must_enter"].",":"";               
        $this->save($new);
        //     
        $formtemp=  explode("\r\n",$cat["formtemp"]);
        $catTemp="";
        foreach($formtemp as $key=>$v){
            $f=explode("<!--field-->",$v);
            if(!strstr($new["is_enter"], ",".$f[1].",")){
                continue;
            }
            $field=M("feedback_field")->where(array("field"=>$f[1]))->find();
            if($field){
                $htmlcode=$field["htmlcode"];
                $htmlcode=  str_replace("{modelFieldTemp_name}", $f[0],$htmlcode);//名称替换
                $catTemp=$catTemp."\r\n".$htmlcode;                
            }
        }
        $catTemp=htmlspecialchars_decode($catTemp);
        file_put_contents(APP_PATH.self::modelTempPath.$catid.".php",$catTemp);
        return true;
    } 
}