fix

    # add more service definitions when explicit configuration is needed

    # please note that last definitions always *replace* previous ones

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    App\Service\FileUploader:

        arguments:

            $targetDirectory: '%kernel.project_dir%/public/files/'

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namespace App\Controller;

use App\Action\Functions;

use App\Service\FileUploader;

use App\Requests\{

    SortPriceRequest,

    SearchRequest,

    public function readLogFile(Request $request): Response

    {

        $file = $request->files->get('file');

        $text = $this->functions->readLogFile($file);

        $text = $this->functions->readLogFile($file->getRealPath());

        $response = new JsonResponse($text);

        $response->setEncodingOptions(JSON_UNESCAPED_UNICODE);

        return $response;