/**
  * Handle the command, creating a new category record and returning the result.
  *
  * @param CommandInterface $command
  * @return Category
  */
 public function handle(SetupCategoryCommand $command)
 {
     $category = $this->factory->create($command->title, $command->description);
     $this->categories->save($category);
     $this->dispatch($category->releaseEvents());
     return $category;
 }