/// <summary>
/// Subscribe to diagnostics info. Accesses repository to update metadata (status, errors etc.) of operations.
/// </summary>
public static void Listen()
{
_eventRegistry.Register <DiagnosticsResponseEvent>(Exchanges.Diagnostics);
_eventBus.Subscribe((DiagnosticsResponseEvent @event) =>
{
using (IServiceScope scope = Services.CreateScope())
{
_OperationRequestRepository = scope.ServiceProvider.GetRequiredService <AnalyticsOperationRequestRepository>();
_OperationRequestRepository.Update(@event.Operation);
_OperationRequestRepository.SaveChanges();
}
});
}
/// <summary>
/// Execute operation. Publishes event, that contains AnalyticsOperation for analytical modules.
/// </summary>
/// <param name="operation"></param>
public void ExecuteOperation(UserAnalyticsOperation operation)
{
_operationRequestRepository.Add(operation);
_operationRequestRepository.SaveChanges();
TimeSeriesAnalysisRequestEvent @event = new TimeSeriesAnalysisRequestEvent(operation);
string routingKey = _analyticsRegistry.GetQueue(operation.OperationName);
if (routingKey != null)
{
_eventBus.PublishToTopic(@event, routingKey);
}
else
{
throw new InvalidRequestException("no such operation"); // not sure if it is right exception
}
}