<?php
/**
 * SaaSMall商城系统 - 团队十年电商经验汇集巨献!
 * =========================================================
 * Copy right 2019-2029 上海牛之云网络科技有限公司, 保留所有权利。
 * ----------------------------------------------
 * 官方网址: https://www.gobuysaas.com
 * =========================================================
 */
namespace app\model\stock;
/**
 * 库存model  (公共的库存相关改动和查询)
 * @author Administrator
 *
 */
class SaleStock extends GoodsStock
{
    /**
     * 减少库存(存在已经)
     * @param $params
     */
    public function decGoodsStock($params)
    {
        $site_id = $params['site_id'];
        $store_id = $params['store_id'] ?? 0;
        $sku_id = $params['sku_id'];
        $temp_stock = $params['stock'];
        $sku_info = model('goods_sku')->getInfo([['site_id', '=', $site_id], ['sku_id', '=', $sku_id]], 'goods_id,stock');
        if (empty($sku_info)) {
            return $this->error([], '找不到商品');
        }
        $goods_id = $sku_info['goods_id'];
        $stock = $sku_info['stock'];
        if ($store_id > 0) {//店铺库存
            $return_info = $this->isNotExistCreateStoreStock(['store_id' => $store_id, 'sku_id' => $sku_id, 'goods_id' => $goods_id])['data'] ?? [];
            $sku_info = $return_info['sku_info'];
            $stock = $sku_info['stock'] ?? 0;
            if ($stock < $temp_stock) return $this->error([], '库存不足');
            $sku_condition = array(
                ['sku_id', '=', $sku_id],
                ['store_id', '=', $store_id]
            );
            model('store_goods_sku')->setDec($sku_condition, 'stock', $temp_stock);
            $goods_condition = array(
                ['goods_id', '=', $goods_id],
                ['store_id', '=', $store_id]
            );
            model('store_goods')->setDec($goods_condition, 'stock', $temp_stock);
        } else {
            if ($stock < $temp_stock) return $this->error([], '库存不足');
            model('goods_sku')->setDec([['sku_id', '=', $sku_id]], 'stock', $temp_stock);
            model('goods')->setDec([['goods_id', '=', $goods_id]], 'goods_stock', $temp_stock);
        }
        //todo维护公共的销售库存
        return $this->success();
    }

    /**
     * 增加库存
     * @param $params
     * @return array
     */
    public function incGoodsStock($params)
    {
        $sku_id = $params['sku_id'];
        $site_id = $params['site_id'] ?? 1;
        $store_id = $params['store_id'] ?? 0;
        $temp_stock = $params['stock'];
        $sku_info = model('goods_sku')->getInfo([['site_id', '=', $site_id], ['sku_id', '=', $sku_id]], 'goods_id');
        if (empty($sku_info)) {
            return $this->error([], '找不到商品');
        }
        $goods_id = $sku_info['goods_id'];
        if ($store_id > 0) {
            $sku_condition = array(
                ['sku_id', '=', $sku_id],
                ['store_id', '=', $store_id]
            );
            model('store_goods_sku')->setInc($sku_condition, 'stock', $temp_stock);
            $goods_condition = array(
                ['goods_id', '=', $goods_id],
                ['store_id', '=', $store_id]
            );
            model('store_goods')->setInc($goods_condition, 'stock', $temp_stock);
        } else {
            model('goods_sku')->setInc([['sku_id', '=', $sku_id]], 'stock', $temp_stock);
            model('goods')->setInc([['goods_id', '=', $goods_id]], 'goods_stock', $temp_stock);
        }
        return $this->success();
    }
}