Alternativa Local a un Servicio de Logging

exception_handling_csharp_chapter7_4.cs

public interface ILoggingService
{
    void Log(string message);
    void LogError(Exception ex);
}

public class CloudLoggingService : ILoggingService
{
    public void Log(string message)
    {
        Console.WriteLine($"Enviando al servicio en la nube: {message}");
        // Simulación de error en el servicio
        throw new Exception("Servicio de logging en la nube no disponible");
    }

    public void LogError(Exception ex)
    {
        Console.WriteLine($"Error enviado al servicio en la nube: {ex.Message}");
    }
}

public class FallbackLoggingService : ILoggingService
{
    private readonly ILoggingService _primaryService;
    private readonly ILoggingService _fallbackService;

    public FallbackLoggingService(ILoggingService primaryService, ILoggingService fallbackService)
    {
        _primaryService = primaryService;
        _fallbackService = fallbackService;
    }

    public void Log(string message)
    {
        try
        {
            _primaryService.Log(message);
        }
        catch
        {
            _fallbackService.Log($"[FALLBACK]: {message}");
        }
    }

    public void LogError(Exception ex)
    {
        try
        {
            _primaryService.LogError(ex);
        }
        catch
        {
            _fallbackService.LogError(ex);
        }
    }
}

// Uso
var cloudLogger = new CloudLoggingService();
var fileLogger = new BasicLogger();
var logger = new FallbackLoggingService(cloudLogger, fileLogger);

logger.Log("Evento crítico detectado.");