useds/app/common/service/UsedCarService.php

<?php

namespace app\common\service;

use app\common\validate\UsedCarValidate;
use app\common\traits\crud\CrudServiceTrait;
use app\common\model\UsedCar;
use support\exception\BusinessException;
use support\Request;

class UsedCarService
{

    use CrudServiceTrait;

    /**
     * 指定当前要操作的模型
     */
    protected string $modelClass = UsedCar::class;

    /**
     * 验证器
     */
    protected $validator = UsedCarValidate::class;

    /**
     * 获取验证器
     */
    public function getValidator()
    {
        return  new $this->validator;
    }

    /**
     * 构造 CrudUtil 查询配置
     */
    protected function buildQueryConfig(Request $request, string $scene = 'default'): array
    {
        $p = $request->all();

        $config = [];
        $config['model'] = $this->modelClass;
        switch ($scene) {
            case 'default':
                $config['where']['status'] = 1;
                $config['order']['sort'] = 'desc';
                $config['order']['id'] = 'desc';
                break;
            case 'index':
                $config['where']['status'] = 1;

                if (isset($p['scene']) && $p['scene'] == 'self') {
                    $config['where']['user_id'] = $request->user['id'];
                }

                // 关键字
                if (isset($p['keyword']) && $p['keyword']) {
                    $k = '%' . $p['keyword'] . '%';
                    foreach (['product_name'] as $col) {
                        $config['orWhere'][] = [$col, 'like', $k];
                    }
                }
                $config['order']['sort'] = 'desc';
                $config['order']['id'] = 'desc';
                break;
            case 'show':
                $config['where']['id'] = $p['id'];
                $config['where']['status'] = 1;
                break;
            case 'store':
                break;
            case 'update':
                $config['where']['id'] = $p['id'];
                break;
            case 'destroy':
                $config['where']['id'] = $p['id'];
                break;
        }

        return $config;
    }


    public function beforeServiceStore($data, Request $request): array
    {
        if(empty($data['product_name'])){
            throw new BusinessException('产品名称不能为空');
        }
        if(empty($data['images'])){
            throw new BusinessException('产品图片不能为空');
        }
        $data['user_id'] = $request->user['id'];
        return $data;
    }
}