CourseCode.php 3.7 KB
<?php

namespace app\admin\controller\mobile\course;

use app\common\controller\Backend;
use think\Db;

/**
 * 课程兑换码管理
 *
 * @icon fa fa-circle-o
 */
class CourseCode extends Backend
{
    
    /**
     * CourseCode模型对象
     * @var \app\admin\model\mobile\course\CourseCode
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\mobile\course\CourseCode;
        $this->view->assign("statusList", $this->model->getStatusList());
    }
    
    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */
    

    /**
     * 查看
     */
    public function index()
    {
        $this->checkCodeMaturity(); //检测兑换码到期时间
        $course_id = $this->request->request('course_id');
        //当前是否为关联查询
        $this->relationSearch = false;
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if ($this->request->isAjax())
        {
            //如果发送的来源是Selectpage,则转发到Selectpage
            if ($this->request->request('keyField'))
            {
                return $this->selectpage();
            }
            list($where, $sort, $order, $offset, $limit) = $this->buildparams();
            $total = $this->model
                    ->where('course_id',$course_id)
                    ->where($where)
                    ->order($sort, $order)
                    ->count();

            $list = $this->model
                    ->where('course_id',$course_id)
                    ->where($where)
                    ->order($sort, $order)
                    ->limit($offset, $limit)
                    ->select();

            foreach ($list as $row) {
                $row->visible(['id','code','status','expire_time','createtime']);
                
            }
            $list = collection($list)->toArray();
            $result = array("total" => $total, "rows" => $list);

            return json($result);
        }
        return $this->view->fetch();
    }

    /**
     * 生成非销售兑换码
     */
    public function createCode()
    {
        if(request()->isAjax()){
            $course_id = $this->request->request('course_id');
            $saveData = [];
            for($i=0;$i<100;$i++){
                $saveData[] = [
                    'course_id' => $course_id,
                    'code' => $this->randStr(),
                    'expire_time' => strtotime('+1 month'),
                ];
            }
            $res = $this->model->saveAll($saveData);
            if($res){
                $this->success('创建成功');
            }else{
                $this->error('创建失败');
            }
        }

    }

    /**
     * 生成不重复的兑换码
     */
    public function randStr($randLength=6)
    {
        $chars = "ABCDEFGHIJKLMNOPQRSTUVWXYabcdefghijklmnopqrstuvwxyz0123456789";
        $rand_str = '';
        for ($i=0;$i<$randLength;$i++){
            $rand_str .= $chars[rand(0,strlen($chars)-1)];
        }
        $info = $this->model->field('id')->where('code',$rand_str)->find();
        if($info){
            $rand_str = $this->randStr($randLength);
        }
        return $rand_str;
    }

    /**
     * 检测兑换码到期时间
     */
    public function checkCodeMaturity()
    {
        $time = time();
        $this->model->where("expire_time < {$time}")->setField('status', '2');
    }

}