From 9b304fded5ceffe4783f57329fdbb46dc29decfd Mon Sep 17 00:00:00 2001
From: daredloco <deadlybeatz@hotmail.com>
Date: Sun, 25 Oct 2020 15:10:03 -0300
Subject: [PATCH] Added uninstaller

---
 GitInstaller/GitInstaller/GitInstaller.csproj |   1 +
 GitInstaller/GitInstaller/MainWindow.xaml     |   9 +-
 GitInstaller/GitInstaller/MainWindow.xaml.cs  |  16 +++
 .../GitInstaller/Properties/AssemblyInfo.cs   |   4 +-
 GitInstaller/GitInstaller/Settings.cs         |   4 +-
 GitInstaller/GitInstaller/Uninstaller.cs      | 114 ++++++++++++++++++
 .../GitInstaller/ZipArchiveExtensions.cs      |  17 +++
 GitInstaller/GitInstaller/config.json         |   1 +
 8 files changed, 160 insertions(+), 6 deletions(-)
 create mode 100644 GitInstaller/GitInstaller/Uninstaller.cs

diff --git a/GitInstaller/GitInstaller/GitInstaller.csproj b/GitInstaller/GitInstaller/GitInstaller.csproj
index 10619ab..89714e7 100644
--- a/GitInstaller/GitInstaller/GitInstaller.csproj
+++ b/GitInstaller/GitInstaller/GitInstaller.csproj
@@ -71,6 +71,7 @@
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
     </ApplicationDefinition>
+    <Compile Include="Uninstaller.cs" />
     <Compile Include="ZipSettings.cs" />
     <Page Include="MainWindow.xaml">
       <Generator>MSBuild:Compile</Generator>
diff --git a/GitInstaller/GitInstaller/MainWindow.xaml b/GitInstaller/GitInstaller/MainWindow.xaml
index 1d82bdd..1fc7741 100644
--- a/GitInstaller/GitInstaller/MainWindow.xaml
+++ b/GitInstaller/GitInstaller/MainWindow.xaml
@@ -5,7 +5,7 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:local="clr-namespace:GitInstaller"
         mc:Ignorable="d"
-        Title="Project Name - Powered by GitInstaller" Height="450" Width="800" ResizeMode="CanMinimize">
+        Title="Project Name - Powered by GitInstaller" Height="500" Width="850" ResizeMode="CanMinimize">
     <Grid>
         <Grid.RowDefinitions>
             
@@ -27,7 +27,9 @@
                 <RowDefinition Height="15" />
                 <RowDefinition Height="23" />
                 <RowDefinition Height="*" />
-                <RowDefinition Height="25" />
+                <RowDefinition Height="15" />
+                <RowDefinition Height="30"/>
+                <RowDefinition Height="15" />
                 <RowDefinition Height="30" />
                 <RowDefinition Height="25" />
             </Grid.RowDefinitions>
@@ -37,7 +39,8 @@
                 <ComboBoxItem Content="None"></ComboBoxItem>
             </ComboBox>
             <CheckBox Name="cb_preview" Content="Show Preview Releases" Grid.Row="4" VerticalAlignment="Center" />
-            <Button Name="bt_install" Grid.Row="9" Content="Install" />
+            <Button Name="bt_uninstall" Content="Uninstall" Grid.Row="9" />
+            <Button Name="bt_install" Grid.Row="11" Content="Install" />
             <Label Content="Version Details:" Grid.Row="6" />
             <RichTextBox Name="rtb_changes" Grid.Row="7" IsReadOnly="True" IsDocumentEnabled="True">
                 <RichTextBox.Resources>
diff --git a/GitInstaller/GitInstaller/MainWindow.xaml.cs b/GitInstaller/GitInstaller/MainWindow.xaml.cs
index 6989c44..111cd8b 100644
--- a/GitInstaller/GitInstaller/MainWindow.xaml.cs
+++ b/GitInstaller/GitInstaller/MainWindow.xaml.cs
@@ -27,6 +27,7 @@ public MainWindow()
 			cb_preview.Checked += PreviewChecked;
 			cb_preview.Unchecked += PreviewUnchecked;
 			rtb_log.IsReadOnly = true;
+			bt_uninstall.Click += UninstallClicked;
 			bt_install.IsEnabled = false;
 			bt_install.Click += InstallClicked;
 
@@ -53,6 +54,21 @@ private void PreviewChecked(object sender, RoutedEventArgs e)
 		{
 			UpdateVersions(true);
 		}
+		private void UninstallClicked(object sender, RoutedEventArgs e)
+		{
+			using (System.Windows.Forms.FolderBrowserDialog fbd = new System.Windows.Forms.FolderBrowserDialog())
+			{
+				fbd.Description = "Choose the installation directory:";
+				var result = fbd.ShowDialog();
+				if (result == System.Windows.Forms.DialogResult.OK)
+				{
+					if (!Uninstaller.DoUninstall(fbd.SelectedPath))
+						System.Windows.Forms.MessageBox.Show("Couldn't uninstall the software, read the log for more informations!");
+					else
+						WriteLog("Software was uninstalled successfuly!");
+				}
+			}
+		}
 
 		private void InstallClicked(object sender, RoutedEventArgs e)
 		{
diff --git a/GitInstaller/GitInstaller/Properties/AssemblyInfo.cs b/GitInstaller/GitInstaller/Properties/AssemblyInfo.cs
index 36fbae5..ff4eecf 100644
--- a/GitInstaller/GitInstaller/Properties/AssemblyInfo.cs
+++ b/GitInstaller/GitInstaller/Properties/AssemblyInfo.cs
@@ -51,5 +51,5 @@
 // Sie können alle Werte angeben oder Standardwerte für die Build- und Revisionsnummern verwenden,
 // indem Sie "*" wie unten gezeigt eingeben:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.4.2.0")]
-[assembly: AssemblyFileVersion("1.4.2.0")]
+[assembly: AssemblyVersion("1.5.0.0")]
+[assembly: AssemblyFileVersion("1.5.0.0")]
diff --git a/GitInstaller/GitInstaller/Settings.cs b/GitInstaller/GitInstaller/Settings.cs
index 2a973b2..005c0fe 100644
--- a/GitInstaller/GitInstaller/Settings.cs
+++ b/GitInstaller/GitInstaller/Settings.cs
@@ -30,9 +30,10 @@ internal enum SettingsState
 		internal static string Repo { get { return file.repo; } }
 		internal static bool Unzip { get { return file.unzip; } }
 		internal static bool Preview { get { return file.preview; } }
+		internal static bool Uninstall { get { return file.uninstall; } }
 		internal static string[] Ignored_Tags { get { return file.ignored_tags; } }
 		internal static string[] Ignored_Files { get { return file.ignored_files; } }
-
+		
 		/// <summary>
 		/// Returns the Url to the Releases of the GitHub Api or NULL if settings aren't loaded
 		/// </summary>
@@ -90,6 +91,7 @@ public class SettingsFile
 			public string repo;
 			public bool unzip;
 			public bool preview;
+			public bool uninstall;
 			[JsonProperty("ignored-tags")]
 			public string[] ignored_tags;
 			[JsonProperty("ignored-files")]
diff --git a/GitInstaller/GitInstaller/Uninstaller.cs b/GitInstaller/GitInstaller/Uninstaller.cs
new file mode 100644
index 0000000..eb7e536
--- /dev/null
+++ b/GitInstaller/GitInstaller/Uninstaller.cs
@@ -0,0 +1,114 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace GitInstaller
+{
+	public class Uninstaller
+	{
+		public string location;
+		public List<string> files = new List<string>();
+		public List<string> directories = new List<string>();
+
+		public Uninstaller(string loca)
+		{
+			location = loca;
+		}
+
+		public Uninstaller(string loca, string[] fs, string[] dirs)
+		{
+			location = loca;
+			files.AddRange(fs);
+			directories.AddRange(dirs);
+		}
+
+		public void GenerateFile()
+		{
+			string fname = Path.Combine(location, "gituninstaller.cfg");
+			List<string> flines = new List<string>() { $"###{Settings.Project} Uninstaller###" };
+
+			flines.Add("This is a file generated by GitInstaller, ");
+			flines.Add("to use it either install a newer version of the software installed with it");
+			flines.Add("or open the GitInstaller for this application, select this folder and press \"Uninstall\"");
+
+			flines.Add("###FILES###");
+			foreach (string f in files)
+			{
+				flines.Add(f);
+			}
+
+			flines.Add("###DIRECTORIES###");
+			foreach (string d in directories)
+			{
+				flines.Add(d);
+			}
+
+			File.WriteAllLines(fname, flines.ToArray());
+		}
+
+		public static bool DoUninstall(string flocation)
+		{
+			flocation = Path.Combine(flocation, "gituninstaller.cfg");
+			if (!File.Exists(flocation))
+			{
+				MainWindow.Instance.WriteLog("Couldn't find gituninstaller.cfg, did you choose the right path?");
+				return false;
+			}
+
+			bool infiles = false;
+			bool indirs = false;
+			bool wassuccess = true;
+			foreach(string fline in File.ReadAllLines(flocation))
+			{
+				if(fline != "")
+				{
+					if (infiles && fline != "###FILES###" && fline != "###DIRECTORIES###")
+					{
+						try
+						{
+							if (!File.Exists(fline))
+								throw new Exception("File \"" + fline + "\" does not exist");
+							File.Delete(fline);
+							MainWindow.Instance.WriteLog("File \"" + fline + "\" deleted!");
+						}
+						catch (Exception ex)
+						{
+							MainWindow.Instance.WriteLog("Couldn't delete file \"" + fline + "\" => " + ex.Message);
+							wassuccess = false;
+						}
+					}
+					else if (indirs && fline != "###FILES###" && fline != "###DIRECTORIES###")
+					{
+						try
+						{
+							if (!Directory.Exists(fline))
+								throw new Exception("Directory \"" + fline + "\" does not exist");
+							Directory.Delete(fline, true);
+							MainWindow.Instance.WriteLog("Directory \"" + fline + "\" deleted!");
+						}
+						catch (Exception ex)
+						{
+							MainWindow.Instance.WriteLog("Couldn't delete directory \"" + fline + "\" => " + ex.Message);
+							wassuccess = false;
+						}
+					}
+					else if (fline == "###FILES###")
+					{
+						infiles = true;
+						indirs = false;
+					}
+					else if (fline == "###DIRECTORIES###")
+					{
+						infiles = false;
+						indirs = true;
+					}
+				}			
+			}
+			File.Delete(flocation);
+			return wassuccess;
+		}
+	}
+}
diff --git a/GitInstaller/GitInstaller/ZipArchiveExtensions.cs b/GitInstaller/GitInstaller/ZipArchiveExtensions.cs
index 4ee0a7f..5469991 100644
--- a/GitInstaller/GitInstaller/ZipArchiveExtensions.cs
+++ b/GitInstaller/GitInstaller/ZipArchiveExtensions.cs
@@ -13,11 +13,17 @@ public static class ZipArchiveExtensions
 	{
 		public static void ExtractToDirectory(this ZipArchive archive, string destinationDirectoryName, bool overwrite)
 		{
+			Uninstaller uninstaller = new Uninstaller(destinationDirectoryName);
+
 			if (!overwrite)
 			{
 				archive.ExtractToDirectory(destinationDirectoryName);
+				uninstaller.directories.Add(destinationDirectoryName);
+				if(Settings.Uninstall)
+					uninstaller.GenerateFile();
 				return;
 			}
+
 			foreach (ZipArchiveEntry file in archive.Entries)
 			{
 				string completeFileName = Path.Combine(destinationDirectoryName, file.FullName);
@@ -27,8 +33,13 @@ public static void ExtractToDirectory(this ZipArchive archive, string destinatio
 					Directory.CreateDirectory(directory);
 
 				if (!string.IsNullOrEmpty(file.Name) && file.Name != "zipsettings.json")
+				{
 					file.ExtractToFile(completeFileName, true);
+					uninstaller.files.Add(completeFileName);
+				}
 			}
+			if(Settings.Uninstall)
+				uninstaller.GenerateFile();
 		}
 
 		//Added by daRedLoCo
@@ -45,6 +56,7 @@ public static void ExtractWithSettings(this ZipArchive archive, string destinati
 				ExtractToDirectory(archive, destinationDirectoryName, overwrite);
 				return;
 			}
+			Uninstaller uninstaller = new Uninstaller(destinationDirectoryName);
 			foreach(ZipArchiveEntry file in archive.Entries)
 			{
 				string completeFileName = Path.Combine(destinationDirectoryName, settings.Subfolder, file.FullName);
@@ -54,8 +66,13 @@ public static void ExtractWithSettings(this ZipArchive archive, string destinati
 					Directory.CreateDirectory(directory);
 
 				if (!string.IsNullOrEmpty(file.Name) && file.Name != "zipsettings.json")
+				{
 					file.ExtractToFile(completeFileName, overwrite);
+					uninstaller.files.Add(completeFileName);
+				}
 			}
+			if(Settings.Uninstall)
+				uninstaller.GenerateFile();
 		}
 	}
 }
diff --git a/GitInstaller/GitInstaller/config.json b/GitInstaller/GitInstaller/config.json
index 146a93f..4cc3ffb 100644
--- a/GitInstaller/GitInstaller/config.json
+++ b/GitInstaller/GitInstaller/config.json
@@ -4,6 +4,7 @@
     "repo": "GitInstaller",
     "unzip": true,
     "preview": true,
+    "uninstall": true,
     "ignored-tags": ["v1.0"],
     "ignored-files": ["somefiletoignore.zip"]
 }
\ No newline at end of file