pet/application/admin/controller/Coupon.php

<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use app\common\model\SysConfig;
use app\common\model\User;
use think\Db;

/**
 * 
 *
 * @icon fa fa-circle-o
 */
class Coupon extends Backend
{
    protected $noNeedLogin=['types'];
    /**
     * Coupon模型对象
     * @var \app\admin\model\Coupon
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\Coupon;

    }

    public function import()
    {
        parent::import();
    }

    /**
     * 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()
    {
        //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();

            $list = $this->model
                    
                    ->where($where)
                    ->order($sort, $order)
                    ->paginate($limit);

            foreach ($list as $row) {
                $row->visible(['id','type','max','amount','start_time','end_time','num']);
                
            }

            $result = array("total" => $list->total(), "rows" => $list->items());

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

    public function types(){
        return \app\admin\model\Coupon::$types;
    }

    public function level_coupon(){
        $levels=User::$levels;
        unset($levels[0]);
        $discount=SysConfig::look(SysConfig::level_config,[]);
        if($this->request->isGet()) {
            $this->assign('levels',$levels);
            $this->assign('discount',$discount);
            return view();
        }else{
            $data=input('discount/a');
            SysConfig::set(SysConfig::level_config,$data);
            $this->success('保存成功');
        }
    }

    public function send(){
        if($this->request->isGet()){
            return view();
        }
        $data=input();
        $this->validate($data,[
            'coupon'=>['require'],
            'user_id'=>['require'],
        ]);
        $coupon=\app\common\model\Coupon::find($data['coupon']);
        if(!$coupon){
            Db::rollback();
            $this->error('优惠券不存在');
        }
        Db::startTrans();
        $users=User::whereIn('id',$data['user_id'])->select();
        foreach ($users as $user){
            $coupon->send($user);
        }
        Db::commit();
        $this->success();
    }
}