public async Task <BookModel> Receiving(Guid bookId, string userId) { ActiveHolderModel newHolder = new ActiveHolderModel() { BookId = bookId, UserId = userId, DateOfReceipt = DateTime.Now }; StatusLogModel newLog = new StatusLogModel() { BookId = bookId, UserId = userId, Date = DateTime.Now, Operation = Operations.Take }; await _holdersService.Create(newHolder); await _statusLogService.Create(newLog); return(_bookService.ReceivingBook(bookId)); }