autocde2.0/app/Http/Requests/API/Asset/CreateOrUpdateRequest.php

<?php

namespace App\Http\Requests\API\Asset;

use App\Http\Requests\RuleHelper;
use App\Models\Enums\AssetStatus;
use App\Models\User;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Support\Facades\Auth;
use Illuminate\Validation\Rule;
use Illuminate\Validation\Rules\Enum;

class CreateOrUpdateRequest extends FormRequest
{
    use RuleHelper;

    /**
     * Determine if the user is authorized to make this request.
     */
    public function authorize(): bool
    {
        return true;
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
     */
    public function rules(): array
    {
        return [
            'name' => 'required|max:100',
            'code' => [
                'required',
                'max:45',
                Rule::unique('assets')
                    ->where($this->userCompanyWhere())
                    ->ignore($this->route()->parameter('asset')),
            ],
            'status' => [
                'required',
                new Enum(AssetStatus::class),
            ],
            'owner' => [
                'required',
                Rule::exists('users', 'id')
                    ->where($this->userCompanyWhere()),
            ],
            'address' => 'max:255',
            'group_id' => [
                'nullable',
                'sometimes',
                Rule::exists('asset_groups', 'id')
                    ->where($this->userCompanyWhere()),
            ],
            'geo_address_code' => 'max:255',
            'acl' => 'required',
            'whitelist' => [
                'array',
                function ($attribute, $value, $fail) {
                    $userCount = User::where("company_id", Auth::user()->company_id)->whereIn('id', $value)->count();
                    if ($userCount != count($value)) {
                        $fail('The selected user is invalid.');
                    }
                }
            ],
            'latitude' => 'numeric',
            'longitude' => 'numeric',
            'parent_id' => [
                $this->parentIdExistsRule(),
            ]
        ];
    }

    protected function parentIdExistsRule()
    {
        // 如果 parent_id 不为 0，返回 exists 规则
        if ($this->input('parent_id') != 0) {
            return Rule::exists('assets', 'id')->where($this->userCompanyWhere());
        }

        // 如果 parent_id 为 0，返回空数组以跳过 exists 验证
        return [];
    }

    public function attributes()
    {
        return [
            'name' => __("fields.name"),
            'code' => __("fields.code"),
            'acl' => __("fields.acl"),
            'address' => __("fields.address"),
            'owner' => __("fields.owner"),
            'status' => __("fields.status"),
        ];
    }
}