public EmailRetryPolicy(IEmailService emailService, ILogger logger)
{
_emailService = emailService;
_logger = logger;
_policy = Policy
.Handle <Exception>()
.OrResult <Task <EmailResponse> >(response => response.Result.IsOk().Equals(false))
.WaitAndRetry(retryCount: 3,
sleepDurationProvider: (attempt) => TimeSpan.FromSeconds(Math.Pow(2, attempt)),
onRetry: (outcome, timespan, retryCount, context) =>
{
var error = outcome.Result.Result.Message;
switch (retryCount)
{
case 1:
_logger.LogInfo($"Falhou 1 vez, 1o retry | Erro: {error}");
break;
case 2:
_logger.LogWarn($"Falhou 2 vezes, 2o retry | Erro: {error}");
_emailService.ChangeSmtpAsync();
break;
case 3:
_logger.LogFatal($"Falhou 3 vezes, 3o e ultimo retry | Erro: {error}");
_emailService.CircuitBreaker().EnableAsync();
break;
}
});
}