churen/app/store/lib/Goods.php

<?php

namespace Store\Lib;

use Dever;

class Goods
{
    # 处理库存操作 1是增加，2是减少 1是总库存，2是销量
    public function oper($type, $col, $data)
    {
        if (!$data) {
            return;
        }
        if ($type == 1) {
            $method = 'inc';
            $otherMethod = 'dec';
        } else {
            $method = 'dec';
            $otherMethod = 'inc';
        }

        if ($col == 1) {
            $method .= 'Total';
            $otherMethod .= 'Total';
            $num = 'total_num';
        } else {
            $method .= 'Sell';
            $otherMethod .= 'Sell';
            $num = 'sell_num';
        }

        foreach ($data as $k => $v) {
            if (!$v['sku_id']) {
                $v['sku_id'] = -1;
            }

            $up = array();
            $up['where_store_id'] = $v['store_id'];
            $up['where_goods_id'] = $v['goods_id'];
            $up[$num] = $v['num'];
            $state = Dever::db('store/goods')->$method($up);
            if ($state) {
                $upSku = $up;
                $upSku['where_sku_id'] = $v['sku_id'];
                $state = Dever::db('store/goods_sku')->$method($upSku);
                if (!$state) {
                    Dever::db('store/goods')->$otherMethod($up);
                }
            }
        }

        return $state;
    }
}