kknongchang_2506/app/Module/AppGame/Tools/Protobuf.php

<?php

namespace App\Module\AppGame\Tools;

use App\Module\AppGame\Events\ProtobufResponseEvent;
use Google\Protobuf\Internal\Message;
use Illuminate\Support\Facades\Event;
use Uraus\Kku\Response;


/**
 * protobuf 助手函数
 *
 */
class Protobuf
{

    /**
     * 进行 Response返回类型处理
     * @param Response $response
     * @return \Illuminate\Contracts\Routing\ResponseFactory|\Illuminate\Foundation\Application|\Illuminate\Http\JsonResponse|\Illuminate\Http\Response|object
     */
    public static function response(Response $response)
    {
        $httpRequest = request();
        // 触发 ProtobufResponse 返回前事件
        Event::dispatch(new ProtobufResponseEvent($response));

        // 根据请求的 Accept 头决定响应格式
        $acceptHeader = $httpRequest->header('Accept');
        $contentType = $httpRequest->header('Content-Type');
        if (stripos($acceptHeader, 'json') !== false || stripos($contentType, 'json') !== false) {
            // 返回 JSON 格式
            return response()->json(
                self::protobufToArray($response)
            );
        }

        // 返回 Protobuf 格式
        return response($response->serializeToString())
            ->header('Content-Type', 'application/x-protobuf');

    }

    /**
     * 将 Protobuf 消息对象转换为数组
     * @param Message $message Protobuf 消息对象
     * @return array
     */
    protected static function protobufToArray(Message $message): array
    {
        $json = $message->serializeToJsonString();
        return json_decode($json, true);
    }

}