public IActionResult AddNewCustomer([FromBody] CustomerCreateDto newCustomer)
        {
            if (newCustomer == null)
            {
                return(BadRequest());
            }
            else
            {
                var newCustomerModel  = _mapper.Map <InsuranceCustomer>(newCustomer);
                var calculatedPremium = ratingEngine.Rate(newCustomerModel);
                _logger.LogInformation($"RatingEngine returned unrounded premium of: {calculatedPremium}");

                var roundedPremium = Math.Round(calculatedPremium, 2);
                newCustomerModel.Premium = roundedPremium;
                _logger.LogInformation($"Rounded premium is: {roundedPremium}");

                _repo.AddCustomer(newCustomerModel);
                _repo.Save();

                newCustomerModel.Premium = Math.Round(newCustomerModel.Premium, MidpointRounding.ToEven);
                var quoteReadDTO = _mapper.Map <CustomerQuoteReadDto>(newCustomerModel);

                return(CreatedAtRoute(nameof(GetCustomerById), new { id = newCustomerModel.Id }, quoteReadDTO));
            }
        }