internal BookContract(BookAdapter adapter, CategoryContract contract)
 {
     _adapter          = adapter;
     _categoryContract = contract;
 }
 internal BookContract()
 {
     _adapter          = new BookAdapter();
     _categoryContract = new CategoryContract();
 }
 public CategoryController(ILogger <CategoryController> logger)
 {
     _logger   = logger;
     _contract = new CategoryContract();
 }