Log.cs

using System;
using System.IO;
using System.Text;

namespace DigglesModManager
{
    class Log
    {
        private const string ERROR = "ERROR";
        private const string WARNING = "WARNING";

        private static void LogToErrorFile(string text)
        {
            var writer = new StreamWriter($"{Paths.ExePath}\\{Paths.ErrorLogFileName}", true, Encoding.Default);
            writer.WriteLine($"{DateTime.Now} - {text}");
            writer.Flush();
            writer.Close();
        }

        private static void LogToErrorFile(string type, string message, FileInfo fileInfo, int line)
        {
            LogToErrorFile($"{type} in \"{fileInfo.FullName}\" at line {line}: {message}");
        }

        public static void Error(string message)
        {
            LogToErrorFile($"{ERROR} {message}");
        }

        public static void Error(string message, FileInfo fileInfo, int line)
        {
            LogToErrorFile(ERROR, message, fileInfo, line);
        }

        public static void Warning(string message)
        {
            LogToErrorFile($"{WARNING} {message}");
        }

        public static void Warning(string message, FileInfo fileInfo, int line)
        {
            LogToErrorFile(WARNING, message, fileInfo, line);
        }
    }

}