public async Task <EnrichedLoanRequest> PerformCreditCheck(LoanRequest loanRequest)
{
if (loanRequest.RequestedLoanAmount == 0 || string.IsNullOrWhiteSpace(loanRequest.CitizenServiceNumber))
{
throw new ArgumentException("Requested loan amount must be > 0 and BSN must be provided");
}
EnrichedLoanRequest enrichedLoanRequest = default(EnrichedLoanRequest);
enrichedLoanRequest = await CreditCheckLoanRequest(loanRequest, enrichedLoanRequest);
return(await Task.FromResult(enrichedLoanRequest));
}
private async Task <EnrichedLoanRequest> ProcessSuccessResponse(LoanRequest loanRequest, EnrichedLoanRequest enrichedLoanRequest, HttpResponseMessage response)
{
var content = await response.Content.ReadAsStringAsync();
dynamic obj = JsonConvert.DeserializeObject(content);
enrichedLoanRequest = new EnrichedLoanRequest();
enrichedLoanRequest.OriginalLoanRequest = loanRequest;
enrichedLoanRequest.CreditCheckReport = new CreditCheckReport
{
CitizenServiceNumber = loanRequest.CitizenServiceNumber,
CreditRating = obj.CreditRating,
CreditScore = obj.Score,
Description = obj.Status
};
logger.Information(
"Credit check service returned {code} {response} for {@request}",
response.StatusCode,
response.ReasonPhrase,
loanRequest);
return(enrichedLoanRequest);
}
private async Task <EnrichedLoanRequest> CreditCheckLoanRequest(LoanRequest loanRequest, EnrichedLoanRequest enrichedLoanRequest)
{
using (var httpClient = new HttpClient(httpMessageHandlerFactory.Create(), true))
{
httpClient.BaseAddress = httpMessageHandlerFactory.BaseUri;
var stringContent = new StringContent(JsonConvert.SerializeObject(loanRequest), Encoding.UTF8, "application/json");
httpClient.DefaultRequestHeaders.Add("Request-Id", loanRequest.CitizenServiceNumber);
logger.Information("Contacting credit check agency...");
var response = await httpClient.PutAsync("api/creditcheck", stringContent);
if (response.IsSuccessStatusCode)
{
enrichedLoanRequest = await ProcessSuccessResponse(loanRequest, enrichedLoanRequest, response);
}
else
{
logger.Error(
"Credit check service returned {code} {response} for {@request}",
response.StatusCode,
response.ReasonPhrase,
loanRequest);
}
}
return(enrichedLoanRequest);
}
