public Worker(ILogger <Worker> logger, IAmazonSQS sqs, IMediator mediator)
{
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_sqs = sqs ?? throw new ArgumentNullException(nameof(sqs));
_mediator = mediator ?? throw new ArgumentNullException(nameof(mediator));
ABTestEvaluatorFactory.GetEvaluator("Burgas");
}
public Task Handle(SimpleCountingEvent notification, CancellationToken cancellationToken)
{
var evaluator = ABTestEvaluatorFactory.GetEvaluator("simple");
if (evaluator == null)
{
throw new ArgumentNullException($"Could not create an instance of {nameof(evaluator)} evaluator.");
}
evaluator.Evaluate(notification, CancellationToken.None);
return(Task.CompletedTask);
}
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
while (!stoppingToken.IsCancellationRequested)
{
try
{
var request = new ReceiveMessageRequest
{
QueueUrl = _eventQueueUrl,
MaxNumberOfMessages = 10,
WaitTimeSeconds = 5
};
var result = await _sqs.ReceiveMessageAsync(request);
if (result.Messages.Any())
{
foreach (var message in result.Messages)
{
// Some Processing code would live here
var @event = JsonConvert.DeserializeObject <SuccessFailEvent>(message.Body);
await _mediator.Publish(@event);
var value = ABTestEvaluatorFactory.GetEvaluator(@event.TestId).GetValue();
var deleteResult = await _sqs.DeleteMessageAsync(_eventQueueUrl, message.ReceiptHandle);
_logger.LogInformation("Processing Message: {message} | {time}", message.Body, DateTimeOffset.Now);
}
}
}
catch (Exception ex)
{
_logger.LogError(ex.InnerException.ToString());
}
_logger.LogInformation("Worker running at: {time}", DateTimeOffset.Now);
}
}
