/**
  * Handle the command.
  *
  * @internal param ImportFromSpreadsheet $command
  */
 public function handle()
 {
     $this->categoryRepository->saveFromList($this->excelImportRepository->getColumn('category'));
     $this->manufacturerRepository->saveFromList($this->excelImportRepository->getColumn('manufacturer'));
     $this->productRepository->saveFromList($this->excelImportRepository->getAllColumns());
 }