nshop/packages/Webkul/BagistoApi/src/Http/Middleware/SearchMetadataResponse.php

<?php

namespace Webkul\BagistoApi\Http\Middleware;

use Closure;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Symfony\Component\HttpFoundation\Response;

/**
 * Adds effective Elasticsearch search details to collection responses.
 */
class SearchMetadataResponse
{
    public function handle(Request $request, Closure $next): Response
    {
        $response = $next($request);
        $metadata = $request->attributes->get('bagistoapi.search_metadata');

        if (! is_array($metadata) || ! $response instanceof JsonResponse) {
            return $response;
        }

        $payload = $response->getData(true);

        if ($this->isGraphQlRequest($request)) {
            $payload['extensions']['searchMetadata'] = $metadata;
        } else {
            $payload['meta']['searchMetadata'] = $metadata;
        }

        $response->setData($payload);

        return $response;
    }

    private function isGraphQlRequest(Request $request): bool
    {
        return $request->is('api/graphql', 'graphql');
    }
}