<?php

namespace app\index\controller;

use app\common\controller\Frontend;
use app\admin\model\Student;

class Index extends Frontend
{

    protected $noNeedLogin = '*';
    protected $noNeedRight = '*';
    protected $layout = '';

    public function index()
    {
        return $this->view->fetch();
    }

    /**
     * 根据生日计算年龄、类型
     * @param Student $student
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\ModelNotFoundException
     * @throws \think\exception\DbException
     */
    public function setInfoByBirthday(Student $student ){
        $return = ['code'=>0,'msg'=>'无改变'];

        //年龄改变的学生
        $list = Student::field('id,age,TIMESTAMPDIFF(YEAR,`birthday`,CURDATE()) as age_now')
            ->where('status','normal')
            ->having('age <> age_now')
            ->select();

        if($list){
            $data = [];
            foreach ($list as $v){
                $data[] = [
                    'id'    => $v['id'],
                    'age'   => $v['age_now'],
                    'type'  => $v['age_now']<11 ? 1 : 2,
                ];
            }
            $res = $student->isUpdate()->saveAll($data);
            if($res){
                $return = ['code'=>1,'msg'=>count($data).'位学生改变：'.implode(',',array_column($data,'id'))];
            }else{
                $return['msg'] = '改变失败';
            }
        }

        echo json_encode($return, true);
    }
}