<?php
/**
 * 商品的SKU模型
*/

namespace app\common\model;

use think\model\concern\SoftDelete;

class GoodsItem extends Model
{
    protected $name = 'goods_item';
    protected $autoWriteTimestamp = true;
 	

 	/**
     * Desc: 设置配置值
     */
    public static function goods_item_upload($goods_id, $param)
    {

        $new_item_id = [];
        $all_item_id = self::where('goods_id', $goods_id)->column('id');
    	$name=$param['item_name'];
        $field_data = array();
        foreach ($name as $key => $value) {
            $item_id = $param['item_id'][$key][0];
            if ($item_id) {
                self::where(['id' => $item_id])
                    ->update(['stock' =>$param['number'][$key][0],'spec_value' => $param['item_name'][$key][0]]);
                $new_item_id[] = $item_id;
            } else {
                $new_item_id[] = self::insertGetId(['spec_value' => $param['item_name'][$key][0], 'goods_id' => $goods_id, 'stock' => $param['number'][$key][0]]);
            }
        }
        $del_item_ids = array_diff($all_item_id, $new_item_id);
        if (!empty($del_item_ids)) {
            //删除规格值
            self::where('goods_id', $goods_id)
                ->where('id', 'in', $del_item_ids)
                ->delete();
        }
    }   
}