<?php

namespace app\common\Service\Order;

use app\common\model\OrderGoods as OrderGoodsModel;
use think\Db;

class OrderGoodsService
{

//销量增
    public static function setGoodsSalesInc($order_sn)
    {
        $list = (new OrderGoodsModel())->where('order_sn', $order_sn)->select();
        // 启动事务
        Db::startTrans();
        try {
            foreach ($list as $item) {
                $goods = $item->goods;
                $sku = $item->sku;
                if ($goods) {
                    $goods->setInc('sales', $item->nums);
                }
                if ($sku) {
                    $sku->setInc('sales', $item->nums);
                }
            }
            // 提交事务
            Db::commit();
        } catch (\Exception $e) {
            // 回滚事务
            Db::rollback();
        }
        return true;
    }

    //销量减
    public static function setGoodsSalesDec($order_sn)
    {
        $list = (new OrderGoodsModel())->where('order_sn', $order_sn)->select();
        // 启动事务
        Db::startTrans();
        try {
            foreach ($list as $item) {
                $goods = $item->goods;
                $sku = $item->sku;
                if ($goods) {
                    $goods->setDec('sales', $item->nums);
                }
                if ($sku) {
                    $sku->setDec('sales', $item->nums);
                }
            }
            // 提交事务
            Db::commit();
        } catch (\Exception $e) {
            // 回滚事务
            Db::rollback();
        }
        return true;
    }

    //库存增
    public static function setGoodsStocksInc($order_sn)
    {
        $list = (new OrderGoodsModel())->where('order_sn', $order_sn)->select();
        // 启动事务
        Db::startTrans();
        try {
            foreach ($list as $item) {
                $goods = $item->goods;
                $sku = $item->sku;
                if ($sku) {
                    $sku->setInc('stocks', $item->nums);
                }
                if ($goods) {
                    $goods->setInc('stocks', $item->nums);
                }
            }
            // 提交事务
            Db::commit();
        } catch (\Exception $e) {
            // 回滚事务
            Db::rollback();
        }
        return true;
    }

    //库存减
    public static function setGoodsStocksDec($order_sn)
    {
        $list = (new OrderGoodsModel())->where('order_sn', $order_sn)->select();
        // 启动事务
        Db::startTrans();
        try {
            foreach ($list as $item) {
                $goods = $item->goods;
                $sku = $item->sku;
                if ($sku) {
                    $sku->setDec('stocks', $item->nums);
                }
                if ($goods) {
                    $goods->setDec('stocks', $item->nums);
                }
            }
            // 提交事务
            Db::commit();
        } catch (\Exception $e) {
            // 回滚事务
            Db::rollback();
        }
        return true;
    }
}