添加网站文件

application/admin/validate/SendCoupon.php

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+<?php
+// +----------------------------------------------------------------------
+// | likeshop100%开源免费商用商城系统
+// +----------------------------------------------------------------------
+// | 欢迎阅读学习系统程序代码，建议反馈是我们前进的动力
+// | 开源版本可自由商用，可去除界面版权logo
+// | 商业版本务必购买商业授权，以免引起法律纠纷
+// | 禁止对系统程序代码以任何目的，任何形式的再发布
+// | gitee下载：https://gitee.com/likeshop_gitee
+// | github下载：https://github.com/likeshop-github
+// | 访问官网：https://www.likeshop.cn
+// | 访问社区：https://home.likeshop.cn
+// | 访问手册：http://doc.likeshop.cn
+// | 微信公众号：likeshop技术社区
+// | likeshop团队 版权所有 拥有最终解释权
+// +----------------------------------------------------------------------
+// | author: likeshopTeam
+// +----------------------------------------------------------------------
+namespace app\admin\validate;
+use think\Db;
+use think\Validate;
+class SendCoupon extends Validate{
+    protected $rule = [
+        'coupon_ids'            => 'require|checkCoupon',
+    ];
+    protected $message = [
+        'coupon_ids.require'    => '请选择优惠券',
+    ];
+    protected function checkCoupon($value,$rule,$data){
+
+        $now = time();
+        $where[] = ['id','in',$value];
+        $where[] = ['status','=',1];
+        $where[] = ['get_type','=',2];
+
+        $coupon_list = Db::name('coupon')
+                ->where($where)
+                ->column('*','id');
+        foreach ($value as $coupon_id){
+            $coupon = $coupon_list[$coupon_id] ?? [];
+            if(empty($coupon)){
+                return '优惠券信息错误';
+            }
+            if($coupon['send_total_type'] == 2){
+                $get_total_coupon = Db::name('coupon_list')
+                                ->where(['id'=>$coupon_id])
+                                ->count();
+                $get_total_coupon = count($data['user_ids']) + $get_total_coupon;
+
+                if($get_total_coupon > $coupon['send_total']){
+                    return $coupon['name'].'的发放的总量已达到限制';
+                }
+            }
+            return true;
+
+        }
+    }
+
+
+}