public async Task <Result <int> > Handle(CreateExpenseCategoryCommand request, CancellationToken cancellationToken)
        {
            var expenseCategory = _mapper.Map <ExpenseCategory>(request);
            await _repository.InsertAsync(expenseCategory);

            await _unitOfWork.Commit(cancellationToken);

            return(Result <int> .Success(expenseCategory.Id));
        }