<?php

namespace app\admin\controller;

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

/**
 * 优惠券
 *
 * @icon fa fa-circle-o
 */
class Coupon extends Backend
{
    
    /**
     * 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
     */

    /**
     * 发送优惠券
     */
    public function send_coupon()
    {
        if ($this->request->isPost()) {
            $params = $this->request->post("row/a");
            if ($params) {
                $user_ids = $params['user_ids'];
                empty($user_ids) && $this->error('请选择用户');
                $coupon_id = $this->request->get('coupon_id');
                empty($coupon_id) && $this->error('请选择优惠券');
                $coupon = $this->model->where('id',$coupon_id)->field('id,name,price,full_price,days')->find();
                $add_data = [];
                $time = time();
                foreach(explode(',',$user_ids) as $user_id){
                    $add_data[] = [
                        'user_id' => $user_id,
                        'coupon_id' => $coupon['id'],
                        'name' => $coupon['name'],
                        'price' => $coupon['price'],
                        'full_price' => $coupon['full_price'],
                        'endtime' => $time+$coupon['days']*86400,
                        'createtime' => $time,
                    ];
                }
                Db::name('user_coupon')->insertAll($add_data);
                $this->success();
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }
        return $this->view->fetch();
    }
}