public async Task SendSmsMessageAsync(Guid id)
{
var smsMessage = _repository.GetAll().FirstOrDefault(x => x.Id == id);
if (smsMessage != null && !smsMessage.SentDateTime.HasValue)
{
try
{
await _smsNotification.SendAsync(smsMessage);
_repository.UpdateSent(smsMessage.Id);
}
catch (Exception ex)
{
_repository.UpdateFailed(smsMessage.Id, Environment.NewLine + Environment.NewLine + ex.ToString());
}
}
}
public async Task <int> SendSmsMessagesAsync()
{
var circuit = _circuitBreakerManager.GetCircuitBreaker("SmsService", TimeSpan.FromMinutes(1));
circuit.EnsureOkStatus();
var deplayedTimes = new[]
{
TimeSpan.FromMinutes(1),
TimeSpan.FromMinutes(2),
TimeSpan.FromMinutes(3),
TimeSpan.FromMinutes(5),
TimeSpan.FromMinutes(8),
TimeSpan.FromMinutes(13),
TimeSpan.FromMinutes(21),
TimeSpan.FromMinutes(34),
TimeSpan.FromMinutes(55),
TimeSpan.FromMinutes(89),
};
var dateTime = _dateTimeProvider.OffsetNow;
var defaultAttemptCount = 5;
var messages = _repository.GetAll()
.Where(x => x.SentDateTime == null)
.Where(x => x.ExpiredDateTime == null || x.ExpiredDateTime > dateTime)
.Where(x => (x.MaxAttemptCount == 0 && x.AttemptCount < defaultAttemptCount) || x.AttemptCount < x.MaxAttemptCount)
.Where(x => x.NextAttemptDateTime == null || x.NextAttemptDateTime <= dateTime)
.ToList();
if (messages.Any())
{
foreach (var sms in messages)
{
string log = Environment.NewLine + Environment.NewLine
+ $"[{_dateTimeProvider.OffsetNow.ToString(CultureInfo.InvariantCulture)}] ";
try
{
await _smsNotification.SendAsync(sms);
sms.SentDateTime = _dateTimeProvider.OffsetNow;
sms.Log += log + "Succeed.";
_circuitBreakerManager.LogSuccess(circuit);
}
catch (Exception ex)
{
sms.Log += log + ex.ToString();
sms.NextAttemptDateTime = _dateTimeProvider.OffsetNow + deplayedTimes[sms.AttemptCount];
_circuitBreakerManager.LogFailure(circuit, 5, TimeSpan.FromMinutes(5));
}
sms.AttemptCount += 1;
sms.Log = sms.Log.Trim();
sms.UpdatedDateTime = _dateTimeProvider.OffsetNow;
if (sms.MaxAttemptCount == 0)
{
sms.MaxAttemptCount = defaultAttemptCount;
}
await _repository.UnitOfWork.SaveChangesAsync();
circuit.EnsureOkStatus();
}
}
else
{
_logger.LogInformation("No SMS to send.");
}
return(messages.Count);
}