project/app/cxinv/model/FinancialProducts.php

<?php
namespace app\cxinv\model;

use app\user\model\TaxCategory;
use think\Model;
use think\model\concern\SoftDelete;
class FinancialProducts extends Base
{
    use SoftDelete;
//设置字段信息
    protected $schema = [
        'id'  =>'bigint',//
        'skuCode'  =>'varchar',//订单商品编号
        'goodName'  =>'varchar',//商品名称
        'inv_good_name'  =>'varchar',//发票商品名称
        'seller_code'  =>'varchar',//销售方公司编号
        'seller_name'  =>'varchar',//销售方公司
        'buyer_code'  =>'varchar',//买方公司编号
        'buyer_name'  =>'varchar',//买方公司
        'good_type'  =>'varchar',//商品类型 1 库存2非库存 3 咨询
        'good_source'  =>'tinyint',//来源1采销 2 非采销
        'spec'  =>'varchar',//规格
        'good_code'  =>'varchar',//商品代码
        'unit'  =>'varchar',//单位
        'unit_price'  =>'decimal',//成本税前单价
        'subunit_price'  =>'decimal',//成本税后单价
        'unit_weight'  =>'decimal',//单位重量
        'spectral'  =>'varchar',//分光
        'inv_type'  =>'varchar',//发票类型
        'cat_code'  =>'varchar',//进项类目
        'cat_tax'  =>'varchar',//税率
        'status'  =>'tinyint',//0禁用 1启用
        'basic_status'  =>'tinyint',//1 真实成本 2 预估成本
        'is_combind'  =>'tinyint',//组合商品 0否 1是
        'apply_id'  =>'int',//创建人
        'apply_name'  =>'varchar',//创建人
        'create_time'  =>'datetime',//
        'update_time'  =>'datetime',//
        'delete_time'  =>'datetime',//
       ];
    protected $createTime = "create_time";
    protected $updateTime = "update_time";
    protected $deleteTime='delete_time';

    public function ProductsCombind(){
        return $this->hasMany('ProductsCombind','parent_id','id');
    }

    public function CatInfo(){
        return $this->belongsTo(TaxCategory::class,'cat_code','merge_code')->bind(["cat_name","merge_code","short_name"]);
    }
    public function ProductStock(){
        return $this->hasOne(ProductStock::class,'product_id','id')->bind(['residue_stock','total_stock','pending_stock','combind_stock']);
    }

    public static function onAfterInsert(Model $model) : void{
        $stock = ProductStock::where('product_id',$model->id)->findOrEmpty();
        if($stock->isEmpty()){
            $stock_data=[
                'product_id'=>$model->id,
                'residue_stock'=>0,
                'total_stock'=>0,
                'pending_stock'=>0,
            ];
            ProductStock::create($stock_data);
        }
    }
}