<?php
/**
* Niushop商城系统 - 团队十年电商经验汇集巨献!
* =========================================================
* Copy right 2019-2029 杭州牛之云科技有限公司, 保留所有权利。
* ----------------------------------------------
* 官方网址: https://www.niushop.com
* =========================================================
*/
namespace app\model\goods;
use app\model\BaseModel;
use think\db\exception\DataNotFoundException;
use think\db\exception\DbException;
use think\db\exception\ModelNotFoundException;
use think\facade\Db;
/**
* 商品库存
*/
class GoodsStock extends BaseModel
{
/**
* 增加库存
* @param $param
* @return array
* @throws DbException
*/
public function incStock($param)
{
$condition = array (
[ "sku_id", "=", $param[ "sku_id" ] ]
);
$num = $param[ "num" ];
$sku_info = model('goods_sku')->getInfo($condition, "goods_id,stock");
if (empty($sku_info))
return $this->error(-1, "");
//编辑sku库存
$result = model('goods_sku')->setInc($condition, "stock", $num);
//编辑商品总库存(暂不考虑查询判断)
$goods_condition = array (
[ "goods_id", "=", $sku_info[ "goods_id" ] ]
);
$res = model('goods')->setInc($goods_condition, "goods_stock", $num);
return $this->success($result);
}
/**
* 减少库存
* @param $param
* @return array
* @throws DataNotFoundException
* @throws DbException
* @throws ModelNotFoundException
*/
public function decStock($param)
{
$num = $param[ "num" ];
$condition = array (
[ "sku_id", "=", $param[ "sku_id" ] ]
);
$sku_info = Db::name("goods_sku")->where($condition)->field("goods_id,stock,sku_name")->lock(true)->find();
if (empty($sku_info)) {
return $this->error();
}
if ($sku_info[ "stock" ] < $num) {
return $this->error('', $sku_info[ "sku_name" ] . "库存不足！");
}
//编辑sku库存
$result = model('goods_sku')->setDec($condition, "stock", $num);
if ($result === false) {
return $this->error();
}
//编辑商品总库存(暂不考虑查询判断)
$goods_condition = array (
[ "goods_id", "=", $sku_info[ "goods_id" ] ]
);
$res = model('goods')->setDec($goods_condition, "goods_stock", $num);
return $this->success($res);
}
}