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application/api/validate/Bargain.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\api\validate;
+use app\common\model\BargainLaunch;
+use think\Db;
+use think\Validate;
+
+
+class Bargain extends Validate{
+    protected $rule = [
+        'id'                => 'require',
+        'bargain_id'        => 'require',
+        'item_id'           => 'require|checkGoods',
+        'url'               => 'require',
+    ];
+    protected $message = [
+        'id.require'            => '请选择砍价订单',
+        'bargain_id.require'    => '请选择活动',
+        'item_id.require'       => '请选择规格',
+        'url.require'           => '缺少参数',
+    ];
+    //砍价商品详情验证场景
+    public function sceneDetail()
+    {
+        $this->only(['bargain_id'])
+            ->append('bargain_id','checkBargain');
+
+    }
+    //发起砍价验证
+    public function sceneSponsor()
+    {
+        $this->only(['bargain_id','item_id']);
+    }
+    //砍价详情验证
+    public function sceneBargainDetail(){
+        $this->only(['id']);
+    }
+    //分享验证
+    public function sceneShare(){
+        $this->only(['id','url'])
+             ->append('id','checkBargainLaunch');
+    }
+    //助力验证
+    public function sceneKnife(){
+        $this->only(['id'])
+            ->append('id','checkBnife');
+    }
+
+    //验证活动是否开启
+    protected function checkBargain($value,$rule,$data){
+        $now = time();
+        $bargain = Db::name('bargain')
+                    ->where([
+                        ['id','=',$value],
+                        ['del','=', 0],
+                        ['activity_start_time','<',$now],
+                        ['activity_end_time','>',$now],
+                        ['status','=',1]
+                        ])
+                    ->find();
+
+        if(empty($bargain)){
+            return '该砍价活动已下架';
+        }
+        return true;
+
+    }
+    //验证商品库存
+    protected function checkGoods($value,$rule,$data){
+
+        $stock = Db::name('goods_item')
+                    ->where(['id'=>$value])
+                    ->value('stock');
+
+        if($stock < 1){
+            return '该商品库存不足';
+        }
+        return true;
+    }
+
+    //验证该砍价订单是否结束
+    protected function checkBargainLaunch($value,$rule,$data){
+        $bargain_launch = new BargainLaunch();
+        $bargain_launch = $bargain_launch
+                        ->where(['id'=>$value])
+                        ->find();
+        if($bargain_launch['launch_end_time'] <= time()){
+            return '该砍价已结束';
+        }
+        return true;
+    }
+
+    //验证该砍价订单是否可助力
+    protected function checkBnife($value,$rule,$data){
+        $bargain_launch = new BargainLaunch();
+        $bargain_launch = $bargain_launch
+            ->where(['id'=>$value])
+            ->find()->toarray();
+        if(0 != $bargain_launch['status']){
+            return '该砍价已结束';
+        }
+        if($bargain_launch['launch_end_time'] <= time()){
+            return '该砍价已结束';
+        }
+        if($bargain_launch['user_id'] === $data['user_id']){
+            return '不能助力自己的砍价活动';
+        }
+        if($bargain_launch['current_price'] < 0){
+            return '该砍价活动已成功';
+        }
+        //当前活动是砍到低价，且已经低于等于活动低价时，砍价成功
+        if(1 == $bargain_launch['bargain_snap']['payment_where'] && $bargain_launch['current_price'] <= $bargain_launch['bargain_price']){
+            return '该砍价活动已成功';
+        }
+        $bargain_knife = Db::name('bargain_knife')
+                        ->where(['launch_id'=>$value,'user_id'=>$data['user_id']])
+                        ->find();
+
+        if($bargain_knife){
+            return '您已助力过了';
+        }
+
+
+        return true;
+    }
+
+
+}