async Task <string> PerformRequest(HttpMethod httpMethod, string additionalUrl, HttpContent content, bool throwExceptionOn404, CancellationToken token, TimeSpan?requestTimeout = null)
{
var reqMessage = CreateRequestMessage(httpMethod, additionalUrl, content);
HttpResponseMessage httpResponse;
string response;
using (var cts = new CancellationTokenSource(requestTimeout ?? defaultRequestTimeout))
{
var linkedTokenSource = CancellationTokenSource.CreateLinkedTokenSource(token, cts.Token);
httpResponse = await httpClient.SendAsync(reqMessage, linkedTokenSource.Token);
response = await httpResponse.Content.ReadAsStringAsync();
if (!throwExceptionOn404 && httpResponse.StatusCode == System.Net.HttpStatusCode.NotFound)
{
return(null);
}
}
if (!httpResponse.IsSuccessStatusCode)
{
ProblemDetails problemDetails = null;
try
{
problemDetails = HelperTools.JSONDeserializeNewtonsoft <ProblemDetails>(response);
}
catch (Exception)
{
// We can ignore exception here. If there was an exception, problemDetails will be null and it will be handled later in the code.
}
string errMessage;
if (problemDetails != null)
{
errMessage = $"Error calling {reqMessage.RequestUri}. Response code: {problemDetails.Status}, content: '{problemDetails.Title}'";
}
else
{
errMessage = $"Error calling {reqMessage.RequestUri}. Response code: {(int)httpResponse.StatusCode}, content: '{response}'";
}
if (httpResponse.StatusCode == System.Net.HttpStatusCode.NotFound)
{
throw new NotFoundException(errMessage);
}
throw new BadRequestException(errMessage);
}
return(response);
}