water/server/plugin/saiadmin/app/service/fulfillment/DeliveryState.php

<?php
declare(strict_types=1);
namespace plugin\saiadmin\app\service\fulfillment;
use plugin\saiadmin\exception\ApiException;

/** Explicit state policy shared by settlement commands and route completion. */
final class DeliveryState
{
    public const ACTIVE = ['pending','assigned','transit','returning'];
    public const TERMINAL = ['completed','returned','cancelled'];
    public static function requireAction(string $state,string $action): void
    {
        $allowed=['receive'=>['transit'],'return_receive'=>['returning'],'redeliver'=>['returned']];
        if (!in_array($state,$allowed[$action]??[],true)) throw new ApiException('当前配送状态不允许此操作，请刷新任务');
    }
}