private static HttpRequestMessage CreateHttpRequest(MercadoPagoRequest request)
{
var httpRequest = new HttpRequestMessage
{
Method = MapHttpMethod(request.Method),
RequestUri = new Uri(request.Url),
};
if (request.Content != null)
{
httpRequest.Content = new StringContent(request.Content, Encoding.UTF8, JSON_CONTENT_TYPE);
}
if (request.Headers != null)
{
foreach (var header in request.Headers)
{
httpRequest.Headers.Add(header.Key, header.Value);
}
}
return(httpRequest);
}
/// <summary>
/// Sends a HTTP request to MercadoPago's APIs.
/// </summary>
/// <param name="request">Request data.</param>
/// <param name="retryStrategy">Strategy to be used when it is necessary to retry the request.</param>
/// <param name="cancellationToken">Cancellation token to cancel operation.</param>
/// <returns>A Task with response data.</returns>
public async Task <MercadoPagoResponse> SendAsync(
MercadoPagoRequest request,
IRetryStrategy retryStrategy,
CancellationToken cancellationToken)
{
HttpResponseMessage httpResponse = null;
int numberRetries = 0;
Exception exception;
HttpRequestMessage httpRequest;
while (true)
{
httpRequest = CreateHttpRequest(request);
try
{
httpResponse = await HttpClient.SendAsync(httpRequest,
HttpCompletionOption.ResponseHeadersRead,
cancellationToken).ConfigureAwait(false);
exception = null;
}
catch (Exception ex)
{
exception = ex;
}
RetryResponse retryResponse = retryStrategy.ShouldRetry(
httpRequest,
httpResponse,
IsRetryableError(exception, cancellationToken),
numberRetries);
if (!retryResponse.Retry)
{
break;
}
// Dispose HTTP response if if will retry
if (httpResponse != null)
{
httpResponse.Dispose();
}
numberRetries++;
await Task.Delay(retryResponse.Delay).ConfigureAwait(false);
}
// Dispose HTTP request
if (httpRequest != null)
{
httpRequest.Dispose();
}
if (exception != null)
{
throw exception;
}
return(await MapResponse(httpResponse));
}