protected $GrainSituationCheckResultService;
public function __construct()
{
$this->GrainSituationCheckResultService=new GrainSituationCheckResultService();
}

    public function edit(Request $request, FileService $fileService)
    {
        $file = $request->file('file');
        $fileService->upload($file);
    }

protected $cartService;

public function __construct(CartService $cartService)
 {
        $this->cartService = $cartService;
 }