Logging con Notificaciones de Errores Críticos

exception_handling_csharp_chapter7_3.cs

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

public class BasicLogger : ILogger
{
    public void Log(string message)
    {
        Console.WriteLine($"[INFO]: {message}");
    }

    public void LogError(Exception ex)
    {
        Console.WriteLine($"[ERROR]: {ex.Message}");
    }
}

public class NotifyingLogger : ILogger
{
    private readonly ILogger _baseLogger;

    public NotifyingLogger(ILogger baseLogger)
    {
        _baseLogger = baseLogger;
    }

    public void Log(string message)
    {
        _baseLogger.Log(message);
    }

    public void LogError(Exception ex)
    {
        _baseLogger.LogError(ex);
        if (ex is InvalidOperationException)
        {
            SendCriticalNotification(ex);
        }
    }

    private void SendCriticalNotification(Exception ex)
    {
        Console.WriteLine($"Notificación enviada: {ex.Message}");
    }
}

// Uso
var logger = new NotifyingLogger(new BasicLogger());
logger.LogError(new InvalidOperationException("Operación crítica fallida."));