public Quote CreateQuote(LoanRequest request)
{
// Validation
_loanRequestValidator.ValidateAndThrow(request);
// Get lenders with required balance
var lenders = _lendersService.GetAll().Where(x => x.Balance >= request.Amount);
if (lenders == null || !lenders.Any())
{
throw new BusinessLogicException("No lenders found for the requested loan amount");
}
// Get cheapest lender
var lender = lenders.OrderBy(x => x.AnnualPercentageYield).First();
// Calculate monthly repayment
var monthlyRepayment = _paymentsCalculator.GetMonthlyRepayments(request.Amount, lender.AnnualPercentageYield, request.Months);
return(new Quote()
{
Id = new Random().Next(999), // In the real world, we could store quote and hence returning an id
Amount = request.Amount,
Months = request.Months,
AnnualInterestRate = Math.Round(lender.AnnualPercentageYield * 100, 1),
TotalRepayment = Math.Round(monthlyRepayment * request.Months, 2),
MonthlyPayment = Math.Round(monthlyRepayment, 2),
});
}
