Add crash marker

Vocaluxe/Base/CSettings.cs

@@ -63,15 +63,15 @@ namespace Vocaluxe.Base
         {
             get
             {
-                if (_Version.ToLower().Contains("alpha"))
+                if (Version.ToLower().Contains("alpha"))
                 {
                     return ERevision.Alpha;
                 }
-                if (_Version.ToLower().Contains("beta"))
+                if (Version.ToLower().Contains("beta"))
                 {
                     return ERevision.Beta;
                 }
-                if (_Version.ToLower().Contains("rc"))
+                if (Version.ToLower().Contains("rc"))
                 {
                     return ERevision.RC;
                 }
@@ -115,6 +115,7 @@ namespace Vocaluxe.Base
         
         public const string FileNameMainLog = "Vocaluxe.log";
         public const string FileNameSongLog = "Song.log";
+        public const string FileNameCrashMarker = "Marker";
 
         public const string FileNameRequiredSkinElements = "RequiredSkinElements.xml";
 
@@ -194,13 +195,21 @@ namespace Vocaluxe.Base
             get { return _Assembly.Name; }
         }
 
-        private static string _Version
+        public static string Version
         {
             get
             {
                 return Application.ProductVersion.Split('-').First();
             }
         }
+
+        public static string FullVersion
+        {
+            get
+            {
+                return Application.ProductVersion;
+            }
+        }
         
         public static string GetFullVersionText()
         {

Vocaluxe/Program.cs

@@ -97,7 +97,7 @@ namespace Vocaluxe
                 Directory.CreateDirectory(CSettings.DataFolder);
 
                 // Init Log
-                CLog.Init(CSettings.FolderNameLogs, CSettings.FileNameMainLog, CSettings.FileNameSongLog);
+                CLog.Init(CSettings.FolderNameLogs, CSettings.FileNameMainLog, CSettings.FileNameSongLog, CSettings.FileNameCrashMarker, CSettings.FullVersion);
 
                 if (!CProgrammHelper.CheckRequirements())
                     return;

VocaluxeLib/Log/CLog.cs

@@ -1,5 +1,6 @@
 using System;
 using System.IO;
+using System.Linq;
 using System.Text;
 using Serilog;
 using VocaluxeLib.Log.Enricher;
@@ -16,16 +17,43 @@ namespace VocaluxeLib.Log
         private static ILogger _MainLog = new SilentLogger();
         private static ILogger _SongLog = new SilentLogger();
         private static string _LogFolder;
+        private static string _CrashMarkerFilePath;
 
         private const string _MainLogTemplate = "[{TimeStampFromStart}] [{Level}] {Message}{NewLine}{Properties}{NewLine}{Exception}";
         private const string _SongLogTemplate = "{Message}{NewLine}Additional info:{Properties}{NewLine}{Exception}";
 
-        public static void Init(string logFolder, string fileNameMainLog, string fileNameSongInfoLog)
+        public static void Init(string logFolder, string fileNameMainLog, string fileNameSongInfoLog, string fileNameCrashMarker, string currentVersion)
         {
             _LogFolder = logFolder;
+            _CrashMarkerFilePath = Path.Combine(_LogFolder, fileNameCrashMarker);
+
+
+            // Creates the log directory if it does not exist
             if (!Directory.Exists(_LogFolder))
                 Directory.CreateDirectory(_LogFolder);
 
+            // Check if crash marker file
+            if (File.Exists(_CrashMarkerFilePath))
+            {
+                // There was a crash in the last run -> check version tag of the crashed application instance
+                string versionTag;
+                using (StreamReader reader = new StreamReader(_CrashMarkerFilePath, Encoding.UTF8))
+                {
+                    versionTag = (reader.ReadLine() ?? "").Trim();
+                }
+
+                // Delete the old marker
+                File.Delete(_CrashMarkerFilePath);
+
+                if (currentVersion == versionTag)
+                {
+                    // TODO: Load log + Crashreport
+                }
+            }
+            
+            // Write new marker
+            File.WriteAllText(_CrashMarkerFilePath, currentVersion, Encoding.UTF8);
+
             LogFileRoller.RollLogs(Path.Combine(_LogFolder, fileNameMainLog), 2);
             LogFileRoller.RollLogs(Path.Combine(_LogFolder, fileNameSongInfoLog), 2);
 
@@ -67,6 +95,9 @@ namespace VocaluxeLib.Log
                 (_SongLog as IDisposable)?.Dispose();
             }
 
+            // Delete the crash marker
+            File.Delete(_CrashMarkerFilePath);
+
         }
 
         private static void _ShowLogAssistent(string messageTemplate, object[] propertyValues, string callerMethodeName = "", string callerFilePath = "", int callerLineNumer = -1)

VocaluxeTests/PartyModeTests.cs

@@ -47,7 +47,7 @@ namespace VocaluxeTests
         public void TestRoundGeneration()
         {
             CBase.Game = new CBGame();
-            CLog.Init(CSettings.FolderNameLogs, CSettings.FileNameMainLog, CSettings.FileNameSongLog);
+            CLog.Init(CSettings.FolderNameLogs, CSettings.FileNameMainLog, CSettings.FileNameSongLog, CSettings.FileNameCrashMarker, CSettings.FullVersion);
             for (int i = 0; i < 10; i++)
             {
                 for (int numPlayer = 1; numPlayer <= 20; numPlayer++)