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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Tango.Logging
{
public class SessionFileLogger : ILogger
{
private bool _inInSession;
public const string FILE_SESSION_EXTENSION = "_session";
public static String DefaultLogsFolder { get; private set; }
public bool Enabled { get; set; }
public String Folder { get; private set; }
public String LogFile { get; private set; }
public String Tag { get; private set; }
static SessionFileLogger()
{
DefaultLogsFolder = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "Twine", "Tango", "Logs", Path.GetFileNameWithoutExtension(AppDomain.CurrentDomain.FriendlyName), "session");
}
public SessionFileLogger(String folder, String tag)
{
Folder = folder;
Tag = tag;
Directory.CreateDirectory(Folder);
Enabled = true;
}
public SessionFileLogger() : this(DefaultLogsFolder, Path.GetFileNameWithoutExtension(AppDomain.CurrentDomain.FriendlyName))
{
}
public void CreateSession()
{
RemoveOldLogFile();
LogFile = CreateLogFileName();
_inInSession = true;
}
public void EndSession()
{
_inInSession = false;
}
private String CreateLogFileName()
{
return Path.Combine(Folder, string.Format("{1}-{0:dd-MM-yyyy_HH-mm-ss}{2}.log", DateTime.Now, Tag, FILE_SESSION_EXTENSION));
}
private void RemoveOldLogFile()
{
try
{
if (Directory.Exists(Folder))
{
string[] fileEntries = Directory.GetFiles(Folder, "*.log");
foreach (string fileName in fileEntries)
{
try
{
File.Delete(fileName);
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
}
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
}
public void OnLog(LogItemBase output)
{
if (_inInSession)
{
try
{
File.AppendAllText(LogFile, output.ToString() + Environment.NewLine);
}
catch
{
Debug.WriteLine("Error Writing To Session Log File!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!");
}
}
}
}
}
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