修改团长取消订单，团长角色顺延成第一个参团的人

app/Http/Controllers/Api/Orders.php

@@ -849,15 +849,18 @@ class Orders extends Api{
         $uid			= $this->checkLogin();
         // 接收参数
         $id				= request('id',0);
-        $status 		= 4;
+        $status 		= 12;
         // 获取产品和数量
         $oldData 		= $Model->query()->where([['id','=',$id],['custom_uid','=',$uid]])->first(['id','order_score','status','custom_uid','insert_time','regiment_id']);
         // 如果用户不存在
         if( !$oldData )	return json_send(['code'=>'error','msg'=>'订单不存在']);
         // 如果已经取消
-        if( $oldData['status'] == 4 ) 	return json_send(['code'=>'error','msg'=>'订单已取消']);
+        if( $oldData['status'] == 12 ) 	return json_send(['code'=>'error','msg'=>'订单已取消']);
         // 如果团不存在
         if( !$oldData['regiment_id'] )	return json_send(['code'=>'error','msg'=>'拼团不存在']);
+        //查询团信息
+        $regimentInfo           =   Regiment::query()->find($oldData['regiment_id']);
+        if( !$regimentInfo )	return json_send(['code'=>'error','msg'=>'拼团不存在']);
         // 组合数据，写入订单表，子表
         DB::beginTransaction();
         try{
@@ -870,13 +873,32 @@ class Orders extends Api{
                 // 提示信息
                 return		json_send(['code'=>'error','msg'=>$result['error'],'data'=>['error'=>$result['error']]]);
             }
-            //取消加入团
-            $regimentRes    = Regiment::query()->where('id','=',$oldData['regiment_id'])->decrement('people_number',1);
-            if( !$regimentRes )	{
-                // 回退数据
-                DB::rollBack();
-                // 提示信息
-              return json_send(['code'=>'error','msg'=>'取消拼团失败']);
+            //开团用户取消团订单
+            if ($regimentInfo['people_number'] > 1 && $regimentInfo['custom_uid'] == $uid){
+                //查询团记录
+                $regimentRecordInfo       =     RegimentRecord::query()->where([['order_id','<>',$oldData['id']],['regiment_id','=',$regimentInfo['id']],['status','=',0]])->first();
+                if ($regimentRecordInfo){
+                    //将参团成员中的第一个用户变成开团人
+                    $result               =     Regiment::query()->where('id','=',$regimentRecordInfo['regiment_id'])->update(['custom_uid'=>$regimentRecordInfo['custom_uid']]);
+                    if (!$result) {
+                        DB::rollBack();
+                        return json_send(['code'=>'error','msg'=>'取消拼团，改变开团人失败']);
+                    }
+                }
+                //扣减加入团人数
+                $regimentRes    = Regiment::query()->where('id','=',$oldData['regiment_id'])->decrement('people_number',1);
+                if( !$regimentRes )	{
+                    // 回退数据
+                    DB::rollBack();
+                    // 提示信息
+                    return json_send(['code'=>'error','msg'=>'取消拼团失败']);
+                }
+            }else{
+                $regimentRes            = Regiment::query()->where('id','=',$oldData['regiment_id'])->update(['status'=>1]);
+                if (!$regimentRes){
+                    DB::rollBack();
+                    return json_send(['code'=>'error','msg'=>'取消拼团失败']);
+                }
             }
             //修改拼团记录
             $regimentRes    = RegimentRecord::query()->where([['order_id','=',$oldData['id'],]])->update(['status'=>'1']);

app/Models/Traits/Orders/Status.php

@@ -59,6 +59,10 @@ trait Status
                                         'id'            =>11,
                                         'name'          =>'拼团失败',// 拼团失败
                                         'state'         =>'拼团失败',
+                                    ],'12'=>[
+                                        'id'            =>11,
+                                        'name'          =>'取消拼团',// 取消拼团
+                                        'state'         =>'取消拼团',
                                     ]];
 
     /**