RetryConfiguration.cs

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using System.Net;
using Polly;
 
namespace Fauna;
 
public class RetryConfiguration
{
 
    public AsyncPolicy<HttpResponseMessage> RetryPolicy { get; set; }
 
 
    public RetryConfiguration(int retryCount, TimeSpan maxBackoff)
    {
        RetryPolicy = Policy
            .HandleResult<HttpResponseMessage>(r => r.StatusCode == HttpStatusCode.TooManyRequests)
            .WaitAndRetryAsync(retryCount, attempt =>
            {
                var calculated = (int)Math.Floor(Math.Pow(2, attempt));
                var backoff = calculated > maxBackoff.Seconds ? maxBackoff.Seconds : calculated;
                return TimeSpan.FromSeconds(backoff);
            });
    }
 
}