CShock/TestApp/Logger.cs
2024-01-20 20:21:23 +01:00

65 lines
2.0 KiB
C#

using Microsoft.Extensions.Logging;
namespace TestApp;
public class Logger : ILogger
{
private LogLevel _enabledLoglevel;
private readonly ConsoleColor _defaultForegroundColor = Console.ForegroundColor;
private readonly ConsoleColor _defaultBackgroundColor = Console.BackgroundColor;
public Logger(LogLevel logLevel = LogLevel.Trace)
{
_enabledLoglevel = logLevel;
}
public void UpdateLogLevel(LogLevel logLevel)
{
this._enabledLoglevel = logLevel;
}
public void Log<TState>(LogLevel logLevel, EventId eventId, TState state, Exception? exception, Func<TState, Exception?, string> formatter)
{
if (!IsEnabled(logLevel))
return;
Console.ForegroundColor = ForegroundColorForLogLevel(logLevel);
Console.BackgroundColor = BackgroundColorForLogLevel(logLevel);
Console.Write(logLevel.ToString()[..3].ToUpper());
Console.ResetColor();
// ReSharper disable once LocalizableElement
Console.Write($" [{DateTime.UtcNow:HH:mm:ss.fff}] ");
Console.WriteLine(formatter.Invoke(state, exception));
}
public bool IsEnabled(LogLevel logLevel)
{
return logLevel >= _enabledLoglevel;
}
public IDisposable? BeginScope<TState>(TState state) where TState : notnull
{
return null;
}
private ConsoleColor ForegroundColorForLogLevel(LogLevel logLevel)
{
return logLevel switch
{
LogLevel.Error or LogLevel.Critical => ConsoleColor.Black,
LogLevel.Debug => ConsoleColor.Black,
LogLevel.Information => ConsoleColor.White,
_ => _defaultForegroundColor
};
}
private ConsoleColor BackgroundColorForLogLevel(LogLevel logLevel)
{
return logLevel switch
{
LogLevel.Error or LogLevel.Critical => ConsoleColor.Red,
LogLevel.Debug => ConsoleColor.Yellow,
LogLevel.Information => ConsoleColor.Black,
_ => _defaultBackgroundColor
};
}
}