automatic daily data backups

zillakot · Mar 12, 2015 · 56da870 · 56da870
1 parent dedf031
commit 56da870
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Showing 4 changed files with 75 additions and 2 deletions.
diff --git a/Hearthstone Deck Tracker/Config.cs b/Hearthstone Deck Tracker/Config.cs
@@ -170,10 +170,10 @@ public class Config
 
 		[DefaultValue(new[] {0, 0, 0})]
 		//move this to some data file
-		public int[] GoldProgress = { 0, 0, 0 };
+		public int[] GoldProgress = {0, 0, 0};
 
 		//move this to some data file
-		public DateTime[] GoldProgressLastReset = { DateTime.MinValue, DateTime.MinValue, DateTime.MinValue };
+		public DateTime[] GoldProgressLastReset = {DateTime.MinValue, DateTime.MinValue, DateTime.MinValue};
 
 		[DefaultValue(new[] {0, 0, 0})]
 		//move this to some data file
@@ -681,6 +681,11 @@ public string HomeDir
 			get { return Instance.SaveInAppData ? AppDataPath + "/" : string.Empty; }
 		}
 
+		public string BackupDir
+		{
+			get { return Path.Combine(DataDir, "Backups"); }
+		}
+
 		public string ConfigPath
 		{
 			get { return Instance.ConfigDir + "config.xml"; }

diff --git a/Hearthstone Deck Tracker/Hearthstone Deck Tracker.csproj b/Hearthstone Deck Tracker/Hearthstone Deck Tracker.csproj
@@ -181,6 +181,7 @@
       <DependentUpon>OverlayPlayer.xaml</DependentUpon>
     </Compile>
     <Compile Include="Properties\Annotations.cs" />
+    <Compile Include="Utility\BackupManager.cs" />
     <Compile Include="Windows\AddGameDialog.xaml.cs">
       <DependentUpon>AddGameDialog.xaml</DependentUpon>
     </Compile>

diff --git a/Hearthstone Deck Tracker/MainWindow/MainWindow.xaml.cs b/Hearthstone Deck Tracker/MainWindow/MainWindow.xaml.cs
@@ -334,6 +334,7 @@ public MainWindow()
 			UpdateOverlayAsync();
 			UpdateAsync();
 
+			BackupManager.Run();
 
 			_initialized = true;
 		}

diff --git a/Hearthstone Deck Tracker/Utility/BackupManager.cs b/Hearthstone Deck Tracker/Utility/BackupManager.cs
@@ -0,0 +1,66 @@
+#region
+
+using System;
+using System.IO;
+using System.IO.Compression;
+using System.Linq;
+
+#endregion
+
+namespace Hearthstone_Deck_Tracker.Utility
+{
+	public class BackupManager
+	{
+		private const int MaxBackups = 7;
+		private static readonly string[] Files = {"PlayerDecks.xml", "DeckStats.xml", "DefaultDeckStats.xml"};
+
+		public static void Run()
+		{
+			Logger.WriteLine("Running BackupManager", "BackupManager");
+			if(!Directory.Exists(Config.Instance.BackupDir))
+				Directory.CreateDirectory(Config.Instance.BackupDir);
+			var dirInfo = new DirectoryInfo(Config.Instance.BackupDir);
+			var backupFileName = string.Format("Backup_{0}.zip", DateTime.Today.ToString("ddMMyyyy"));
+
+			try
+			{
+				var backups = dirInfo.GetFiles("Backup_*");
+				while(backups.Count() >= MaxBackups)
+				{
+					var oldest = backups.OrderBy(x => x.CreationTime).First();
+					Logger.WriteLine("Deleting old backup: " + oldest.Name, "BackupManager");
+					oldest.Delete();
+					backups = dirInfo.GetFiles("Backup_*");
+				}
+			}
+			catch(Exception ex)
+			{
+				Logger.WriteLine("Error deleting old backup: " + ex, "BackupManager");
+			}
+
+			if(dirInfo.GetFiles().Any(x => x.Name == backupFileName))
+			{
+				Logger.WriteLine("Backup for today already exists", "BackupManager");
+				return;
+			}
+
+			Logger.WriteLine("Creating backup for today", "BackupManager");
+			try
+			{
+				var backupFilePath = Path.Combine(Config.Instance.BackupDir, backupFileName);
+				using(var zip = ZipFile.Open(backupFilePath, ZipArchiveMode.Create))
+				{
+					foreach(var file in Files)
+					{
+						var path = Path.Combine(Config.Instance.DataDir, file);
+						zip.CreateEntryFromFile(path, file);
+					}
+				}
+			}
+			catch(Exception ex)
+			{
+				Logger.WriteLine("Error creating todays backup: " + ex, "BackupManager");
+			}
+		}
+	}
+}