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application/admin/validate/SeckillGoods.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 SeckillGoods extends Validate{
+    protected $rule = [
+        'seckill_id'        => 'require|checkSeckill',
+        'item'              => 'require|checkActivity'
+
+    ];
+    protected $message = [
+        'seckill_id.require'    => '请选择秒杀时段',
+        'item.require'          => '请选择秒杀商品',
+    ];
+
+    public function checkSeckill($value,$rule,$data){
+
+        $seckill = Db::name('seckill_time')->where(['del'=>0,'id'=>$value])->find();
+        if(empty($seckill)){
+            return '秒杀时间段已被调整，请重新选择时间段';
+        }
+        return true;
+    }
+
+    public function sceneAdd(){
+        $this->append('item','checkAddGoods');
+
+    }
+    public function sceneEdit(){
+        $this->append('item','checkEditGoods');
+
+    }
+    
+    public function checkActivity($value,$rule,$data){
+        $goods_ids = array_unique(array_column($value,'goods_id'));
+        $team_goods= Db::name('team_goods_item')->alias('TGI')
+                ->join('team_activity TA','TA.team_id = TGI.team_id')
+                ->where(['TGI.goods_id'=>$goods_ids,'TA.del'=>0])
+                ->find();
+
+        if($team_goods){
+            return '该商品正在参加拼团活动中，不能在参加秒杀活动';
+        }
+        $bargain_goods = Db::name('bargain_item')->alias('bi')
+            ->join('bargain b', 'b.id = bi.bargain_id')
+            ->where(['bi.goods_id' => $goods_ids, 'b.del' => 0])
+            ->find();
+        if($bargain_goods){
+            return '该商品正在参加砍价活动中，不能在参加秒杀活动';
+        }
+
+        return true;
+    }
+
+    public function checkAddGoods($value,$rule,$data){
+        $goods_ids = array_unique(array_column($value,'goods_id'));
+        $goods = Db::name('goods')->where(['del'=>0])->column('id');
+        $goods_item = Db::name('goods_item')->where(['goods_id'=>$goods_ids])->column('price,spec_value_str','id');
+        $seckill_goods = Db::name('seckill_goods')->where(['seckill_id'=>$data['seckill_id'],'del'=>0])->column('item_id');
+
+        foreach ($value as $item){
+
+            if(!in_array($item['goods_id'],$goods)){
+                return '商品ID:'.$item['goods_id'].'已下架';
+            }
+
+            if($seckill_goods && in_array($item['item_id'],$seckill_goods)){
+                return '商品规格:'.$goods_item[$item['item_id']]['spec_value_str'].'已在活动中，请勿重复添加';
+            }
+            $goods_price = $goods_item[$item['item_id']]['price'] ?? 0;
+            //验证商品价格
+            if($item['price'] > $goods_price){
+                return '商品规格:'.$goods_item[$item['item_id']]['spec_value_str'] .'的秒杀价格高于原价';
+            }
+
+
+        }
+        return true;
+    }
+
+    public function checkEditGoods($value,$rule,$data){
+
+        $goods_ids = array_unique(array_column($value,'goods_id'));
+        $seckill_ids = array_column($value,'id');
+
+        $seckill_goods = Db::name('seckill_goods')
+                ->where(['goods_id'=>$goods_ids,'seckill_id'=>$data['seckill_id']])
+                ->where('id','not in',$seckill_ids)
+                ->find();
+
+        if($seckill_goods){
+            return '该时间段已存在相同的商品';
+        }
+        $goods = Db::name('goods')->where(['del'=>0])->column('id');
+        $goods_item = Db::name('goods_item')->where(['goods_id'=>$goods_ids])->column('price,spec_value_str','id');
+
+
+        foreach ($value as $item){
+            if(!in_array($item['goods_id'],$goods)){
+                return '商品ID:'.$item['goods_id'].'已下架';
+            }
+
+            $goods_price = $goods_item[$item['item_id']]['price'] ?? 0;
+
+            //验证商品价格
+            if($item['price'] > $goods_price){
+                return '商品规格:'.$goods_item[$item['item_id']]['spec_value_str'] .'的秒杀价格高于原价';
+            }
+
+        }
+        return true;
+    }
+
+}