From f6d0b129806c36745f9b91317004c6ba9367e43c Mon Sep 17 00:00:00 2001
From: mxtsdev <mxtsdev@gmail.com>
Date: Wed, 12 Feb 2020 14:58:56 +0100
Subject: [PATCH] Log cleanup (>30 days) on startup and every 24-hours.

---
 ArkBot/App.config                     |  1 +
 ArkBot/ArkBot.csproj                  |  2 +
 ArkBot/Services/ILogCleanupService.cs | 10 ++++
 ArkBot/Services/LogCleanupService.cs  | 77 +++++++++++++++++++++++++++
 ArkBot/ViewModel/Workspace.cs         |  2 +
 5 files changed, 92 insertions(+)
 create mode 100644 ArkBot/Services/ILogCleanupService.cs
 create mode 100644 ArkBot/Services/LogCleanupService.cs

diff --git a/ArkBot/App.config b/ArkBot/App.config
index 1079f06..f9f9521 100644
--- a/ArkBot/App.config
+++ b/ArkBot/App.config
@@ -132,6 +132,7 @@
       <file value="logs/application.log" />
       <rollingStyle value="Date" />
       <appendToFile value="true" />
+      <maxSizeRollBackups value="30" />
       <lockingModel type="log4net.Appender.FileAppender+MinimalLock" />
       <datePattern value="yyyyMMdd'.log'" />
       <layout type="log4net.Layout.PatternLayout">
diff --git a/ArkBot/ArkBot.csproj b/ArkBot/ArkBot.csproj
index 892bca8..d7ec86c 100644
--- a/ArkBot/ArkBot.csproj
+++ b/ArkBot/ArkBot.csproj
@@ -666,7 +666,9 @@
     </Compile>
     <Compile Include="Notifications\NotificationManager.cs" />
     <Compile Include="ScheduledTasks\ScheduledTasksManager.cs" />
+    <Compile Include="Services\ILogCleanupService.cs" />
     <Compile Include="Services\IPlayerLastActiveService.cs" />
+    <Compile Include="Services\LogCleanupService.cs" />
     <Compile Include="Services\PlayerLastActiveService.cs" />
     <Compile Include="Services\ArkServerService.cs" />
     <Compile Include="IArkSaveFileWatcher.cs" />
diff --git a/ArkBot/Services/ILogCleanupService.cs b/ArkBot/Services/ILogCleanupService.cs
new file mode 100644
index 0000000..1956608
--- /dev/null
+++ b/ArkBot/Services/ILogCleanupService.cs
@@ -0,0 +1,10 @@
+using System;
+using System.Threading.Tasks;
+using Discord;
+
+namespace ArkBot.Helpers
+{
+    public interface ILogCleanupService : IDisposable
+    {
+    }
+}
\ No newline at end of file
diff --git a/ArkBot/Services/LogCleanupService.cs b/ArkBot/Services/LogCleanupService.cs
new file mode 100644
index 0000000..5fdf856
--- /dev/null
+++ b/ArkBot/Services/LogCleanupService.cs
@@ -0,0 +1,77 @@
+using ArkBot.Helpers;
+using QueryMaster.GameServer;
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace ArkBot.Services
+{
+    public class LogCleanupService : ILogCleanupService
+    {
+        private Timer _timer;
+        private readonly TimeSpan _delay = TimeSpan.FromHours(24);
+
+        private const string _logDirectoryPath = @"logs\";
+        private Regex _rDate = new Regex(@"_(?=\d{4,4})(?<date>.+?)(?:-\d{3,})?\.log", RegexOptions.IgnoreCase | RegexOptions.Singleline);
+
+
+        public LogCleanupService()
+        {
+            _timer = new Timer(_timer_Callback, null, 0, Timeout.Infinite);
+        }
+
+        private void _timer_Callback(object state)
+        {
+            try
+            {
+                _timer.Change(Timeout.Infinite, Timeout.Infinite);
+
+                var t = DateTime.Now.AddDays(-30);
+
+                foreach (var logFileName in Directory.GetFiles(_logDirectoryPath, "*.log", SearchOption.TopDirectoryOnly))
+                {
+                    var m = _rDate.Match(logFileName);
+                    var dateStr = m.Success ? m.Groups["date"]?.Value : null;
+                    if (dateStr == null) continue;
+
+                    if (!DateTime.TryParseExact(dateStr, @"yyyy-MM-dd.HH.mm.ss.ffff", CultureInfo.CurrentCulture, DateTimeStyles.AssumeLocal, out var dt) || dt > t) continue;
+
+                    File.Delete(logFileName);
+                }
+            }
+            finally
+            {
+                _timer.Change(_delay, _delay);
+            }
+        }
+
+        #region IDisposable Support
+        private bool disposedValue = false;
+
+        protected virtual void Dispose(bool disposing)
+        {
+            if (!disposedValue)
+            {
+                if (disposing)
+                {
+                    _timer?.Dispose();
+                    _timer = null;
+                }
+
+                disposedValue = true;
+            }
+        }
+
+        public void Dispose()
+        {
+            Dispose(true);
+        }
+        #endregion
+    }
+}
diff --git a/ArkBot/ViewModel/Workspace.cs b/ArkBot/ViewModel/Workspace.cs
index cdc3d9d..6799fa3 100644
--- a/ArkBot/ViewModel/Workspace.cs
+++ b/ArkBot/ViewModel/Workspace.cs
@@ -440,6 +440,7 @@ internal async Task Init()
             builder.RegisterType<ArkServerService>().As<IArkServerService>().SingleInstance();
             builder.RegisterType<SavegameBackupService>().As<ISavegameBackupService>().SingleInstance();
             builder.RegisterType<PlayerLastActiveService>().As<IPlayerLastActiveService>().SingleInstance();
+            builder.RegisterType<LogCleanupService>().As<ILogCleanupService>().SingleInstance();
 
             //register vote handlers
             builder.RegisterType<BanVoteHandler>().As<IVoteHandler<BanVote>>();
@@ -504,6 +505,7 @@ internal async Task Init()
             {
                 var playerLastActiveService = Container.Resolve<IPlayerLastActiveService>();
                 var backupService = Container.Resolve<ISavegameBackupService>();
+                var logCleanupService = Container.Resolve<ILogCleanupService>();
                 foreach (var server in _config.Servers)
                 {
                     var clusterContext = _contextManager.GetCluster(server.ClusterKey);