public ActionResult <decimal> CalculatePremium(LifePremiumModel model) // Can be made async when service is async
        {
            var validationResult = validator.Validate(model);

            if (!validationResult.IsValid)
            {
                return(BadRequest(validationResult.Errors.Select(e => e.ErrorMessage)));
            }
            var premium =
                service.CalculatePremium(model.SumInsured, Enum.Parse <Occupation>(model.Occupation), model.Age.GetValueOrDefault());

            return(Ok(premium));
        }