public async Task CalculatePaymentsWhenInterestIsZero()
{
var loan = new Loan(5, 0, 500, new Guid());
var result = await _loanService.CalculatePayments(loan);
result.Should().HaveValue();
result.Should().HaveNumberOfPayments(loan.NumberOfInstallments);
result.Should().HaveAllPaymentsWithAmount(100);
}
public async Task <BaseResponse <CreateLoanDto> > Handle(CreateLoanCommand request, CancellationToken cancellationToken)
{
try
{
var loan = new Loan(request.NumberOfInstallments, request.Interest, request.Amount, request.PersonId);
var loanId = await _loanRepository.CreateLoanAsync(loan);
var loanWithPayments = await _loanService.CalculatePayments(loan);
var paymentDtos = _mapper.Map <IEnumerable <PaymentDto> >(loanWithPayments.Payments);
var loanCost = _loanService.CalculateLoanCost(loan);
return(new BaseResponse <CreateLoanDto>(new CreateLoanDto()
{
Id = loanId,
Payments = paymentDtos,
TotalCost = loanCost
}));
}
catch (Exception e)
{
// there should be logging
return(new BaseResponse <CreateLoanDto>("An error occurred when handling request."));
}
}