Linking Data instead of making new copies, checking if EZPPClient is running, added Desktop Shortcut

EZPPClient Installer/EZPPClient Installer.csproj

@@ -93,6 +93,8 @@
     <Compile Include="MD5File.cs" />
     <Compile Include="DownloadUtil.cs" />
     <Compile Include="MD5Util.cs" />
+    <Compile Include="ProcessUtil.cs" />
+    <Compile Include="Shortcut.cs" />
     <Compile Include="UpdateState.cs" />
     <Compile Include="Util.cs" />
     <Compile Include="MainWindow.xaml.cs">
@@ -134,6 +136,9 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
+    <PackageReference Include="DK.WshRuntime">
+      <Version>4.1.3.201115164</Version>
+    </PackageReference>
     <PackageReference Include="ModernWpfUI">
       <Version>0.9.4</Version>
     </PackageReference>

EZPPClient Installer/MainWindow.xaml.cs

@@ -1,28 +1,24 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Text;
 using System.Threading.Tasks;
 using System.Runtime.InteropServices;
 using System.Windows;
-using System.Windows.Controls;
-using System.Windows.Data;
-using System.Windows.Documents;
-using System.Windows.Input;
-using System.Windows.Media;
-using System.Windows.Media.Imaging;
 using System.Windows.Navigation;
 using System.Windows.Shapes;
-using Microsoft.Win32;
 using System.IO;
-using MessageBox = System.Windows.MessageBox;
 using System.Net;
 using System.Globalization;
 using ModernWpf.Controls;
 using System.Windows.Forms;
 using System.Media;
-using System.Threading;
+using System.Runtime.InteropServices.ComTypes;
-using Windows.System;
+using Shortcut;
+using Path = System.Windows.Shapes.Path;
+
+#if DEBUG
+using MessageBox = System.Windows.MessageBox;
+#endif
 
 namespace EZPPClient_Installer
 {
@@ -67,6 +63,12 @@ namespace EZPPClient_Installer
       InstallerWindow.Title = "EZPPClient Installer " + versionString.Replace(",", ".");
 
       string osuPath = Util.osuInstallDir();
+
+      if (osuPath.EndsWith(@"\EZPPClient"))
+      {
+        osuPath = osuPath.Replace(@"\EZPPClient", "");
+      }
+
       bool isValidFolder = await isValidOsuFolder(osuPath);
       UpdateInstallButton(!string.IsNullOrEmpty(osuPath));
 
@@ -193,6 +195,17 @@ namespace EZPPClient_Installer
 
       string EZPPFolder = osuFolder + @"\EZPPClient";
 
+      if (ProcessUtil.ProgramIsRunning(folderTextbox.Text + @"\EZPPClient.exe"))
+      {
+        _ = new ContentDialog()
+        {
+          Title = "Oops..",
+          Content = "The EZPPClient is currently running.",
+          PrimaryButtonText = "Oh"
+        }.ShowAsync();
+        return;
+      }
+
       if (InstallButton.Content.Equals("Install"))
       {
         if (linkFoldersCheckbox.IsChecked.Value)
@@ -251,14 +264,24 @@ namespace EZPPClient_Installer
         {
           try
           {
-            File.Copy(string.Format(@"{0}\osu!.{1}.cfg", osuFolder, userName), string.Format(@"{0}\osu!.{1}.cfg", EZPPFolder, userName));
+            //File.Copy(string.Format(@"{0}\osu!.{1}.cfg", osuFolder, userName), string.Format(@"{0}\osu!.{1}.cfg", EZPPFolder, userName));
+            if (!CreateSymbolicLink(string.Format(@"{0}\osu!.{1}.cfg", EZPPFolder, userName), string.Format(@"{0}\osu!.{1}.cfg", osuFolder, userName), SymbolicLink.File))
+            {
+              ContentDialog dg = new ContentDialog()
+              {
+                Title = "Hmmm..",
+                Content = "Failed to create Symlink to cfg file.",
+                PrimaryButtonText = "Okay :/"
+              };
+              await dg.ShowAsync();
+            }
           }
           catch (Exception)
           {
             ContentDialog dg = new ContentDialog()
             {
               Title = "Hmmm..",
-              Content = string.Format("Failed to copy osu!.{0}.cfg", userName),
+              Content = string.Format("Failed to link osu!.{0}.cfg", userName),
               PrimaryButtonText = "Okay :/"
             };
             await dg.ShowAsync();
@@ -268,14 +291,24 @@ namespace EZPPClient_Installer
         {
           try
           {
-            File.Copy(string.Format(@"{0}\scores.db", osuFolder), string.Format(@"{0}\scores.db", EZPPFolder));
+            //File.Copy(string.Format(@"{0}\scores.db", osuFolder), string.Format(@"{0}\scores.db", EZPPFolder));
+            if (!CreateSymbolicLink(string.Format(@"{0}\scores.db", EZPPFolder), string.Format(@"{0}\scores.db", osuFolder), SymbolicLink.File))
+            {
+              ContentDialog dg = new ContentDialog()
+              {
+                Title = "Hmmm..",
+                Content = "Failed to create Symlink to scores.db file.",
+                PrimaryButtonText = "Okay :/"
+              };
+              await dg.ShowAsync();
+            }
           }
           catch (Exception)
           {
             ContentDialog dg = new ContentDialog()
             {
               Title = "Hmmm..",
-              Content = "Failed to copy scores.db",
+              Content = "Failed to link scores.db",
               PrimaryButtonText = "Okay :/"
             };
             await dg.ShowAsync();
@@ -285,14 +318,51 @@ namespace EZPPClient_Installer
         {
           try
           {
-            File.Copy(string.Format(@"{0}\collection.db", osuFolder), string.Format(@"{0}\collection.db", EZPPFolder));
+            //File.Copy(string.Format(@"{0}\collection.db", osuFolder), string.Format(@"{0}\collection.db", EZPPFolder));
+            if (!CreateSymbolicLink(string.Format(@"{0}\collection.db", EZPPFolder), string.Format(@"{0}\collection.db", osuFolder), SymbolicLink.File))
+            {
+              ContentDialog dg = new ContentDialog()
+              {
+                Title = "Hmmm..",
+                Content = "Failed to create Symlink to collection.db file.",
+                PrimaryButtonText = "Okay :/"
+              };
+              await dg.ShowAsync();
+            }
           }
           catch (Exception)
           {
             ContentDialog dg = new ContentDialog()
             {
               Title = "Hmmm..",
-              Content = "Failed to copy collection.db",
+              Content = "Failed to link collection.db",
+              PrimaryButtonText = "Okay :/"
+            };
+            await dg.ShowAsync();
+          }
+        }
+        if (File.Exists(string.Format(@"{0}\osu!.db", osuFolder)) && !File.Exists(string.Format(@"{0}\osu!.db", EZPPFolder)))
+        {
+          try
+          {
+            //File.Copy(string.Format(@"{0}\osu.db", osuFolder), string.Format(@"{0}\osu.db", EZPPFolder));
+            if (!CreateSymbolicLink(string.Format(@"{0}\osu!.db", EZPPFolder), string.Format(@"{0}\osu!.db", osuFolder), SymbolicLink.File))
+            {
+              ContentDialog dg = new ContentDialog()
+              {
+                Title = "Hmmm..",
+                Content = "Failed to create Symlink to osu!.db file.",
+                PrimaryButtonText = "Okay :/"
+              };
+              await dg.ShowAsync();
+            }
+          }
+          catch (Exception)
+          {
+            ContentDialog dg = new ContentDialog()
+            {
+              Title = "Hmmm..",
+              Content = "Failed to link osu!.db",
               PrimaryButtonText = "Okay :/"
             };
             await dg.ShowAsync();
@@ -318,6 +388,22 @@ namespace EZPPClient_Installer
 
       await DownloadUtil.DownloadFiles(filesToDownload, EZPPFolder);
 
+      if (InstallButton.Content.Equals("Install"))
+      {
+        IShellLink link = (IShellLink)new ShellLink();
+
+        // setup shortcut information
+        link.SetDescription("Starts the EZPPClient");
+        link.SetPath(EZPPFolder + @"\EZPPClient.exe");
+
+        // save it
+        IPersistFile file = (IPersistFile)link;
+        string desktopPath = Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory);
+        string LinkFile = System.IO.Path.Combine(desktopPath, "Start EZPPClient.lnk");
+        Console.Out.WriteLine("Saving Shortcut to " + LinkFile);
+        file.Save(LinkFile, false);
+      }
+
       InstallButton.Visibility = prevInstallBtnVis;
       Uninstall_Button.Visibility = prevUninstallBtnVis;
       linkFoldersCheckbox.Visibility = prevLinkFCVis;
@@ -329,8 +415,7 @@ namespace EZPPClient_Installer
       Uninstall_Button.Visibility = Visibility.Visible;
       UpdateInstallButton(false);
       
-      string osuEZPPPath = folderTextbox.Text + @"\EZPPClient";
+      List<string> outdatedFiles = DownloadUtil.FilesToDownload(EZPPFolder, false);
-      List<string> outdatedFiles = DownloadUtil.FilesToDownload(osuEZPPPath, false);
 
       if (!IsEmpty(outdatedFiles))
       {
@@ -447,6 +532,16 @@ namespace EZPPClient_Installer
 
     private async void Uninstall_Button_Click(object sender, RoutedEventArgs e)
     {
+      if(ProcessUtil.ProgramIsRunning(folderTextbox.Text + @"\EZPPClient.exe"))
+      {
+        _ = new ContentDialog()
+        {
+          Title = "Oops..",
+          Content = "The EZPPClient is currently running.",
+          PrimaryButtonText = "Oh"
+        }.ShowAsync();
+        return;
+      }
       SystemSounds.Asterisk.Play();
       ContentDialog cd = new ContentDialog()
       {
@@ -462,6 +557,11 @@ namespace EZPPClient_Installer
         if (Directory.Exists(osuEZPPPath))
           Directory.Delete(osuEZPPPath, true);
         
+        string desktopPath = Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory);
+        string linkFile = System.IO.Path.Combine(desktopPath, "Start EZPPClient.lnk");
+        if (File.Exists(linkFile))
+          File.Delete(linkFile);
+        
         _ = new ContentDialog()
         {
           Title = "Success!",

EZPPClient Installer/ProcessUtil.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EZPPClient_Installer
+{
+  class ProcessUtil
+  {
+    public static bool ProgramIsRunning(string FullPath)
+    {
+      string FilePath = Path.GetDirectoryName(FullPath);
+      string FileName = Path.GetFileNameWithoutExtension(FullPath).ToLower();
+      bool isRunning = false;
+
+      Process[] pList = Process.GetProcessesByName(FileName);
+
+      foreach (Process p in pList)
+      {
+        if (p.MainModule.FileName.StartsWith(FilePath, StringComparison.InvariantCultureIgnoreCase))
+        {
+          isRunning = true;
+          break;
+        }
+      }
+
+      return isRunning;
+    }
+  }
+}

EZPPClient Installer/Shortcut.cs

@@ -0,0 +1,39 @@
+using System;
+using System.IO;
+using System.Runtime.InteropServices;
+using System.Runtime.InteropServices.ComTypes;
+using System.Text;
+
+namespace Shortcut
+{
+    [ComImport]
+    [Guid("00021401-0000-0000-C000-000000000046")]
+    internal class ShellLink
+    {
+    }
+
+    [ComImport]
+    [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
+    [Guid("000214F9-0000-0000-C000-000000000046")]
+    internal interface IShellLink
+    {
+        void GetPath([Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszFile, int cchMaxPath, out IntPtr pfd, int fFlags);
+        void GetIDList(out IntPtr ppidl);
+        void SetIDList(IntPtr pidl);
+        void GetDescription([Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszName, int cchMaxName);
+        void SetDescription([MarshalAs(UnmanagedType.LPWStr)] string pszName);
+        void GetWorkingDirectory([Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszDir, int cchMaxPath);
+        void SetWorkingDirectory([MarshalAs(UnmanagedType.LPWStr)] string pszDir);
+        void GetArguments([Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszArgs, int cchMaxPath);
+        void SetArguments([MarshalAs(UnmanagedType.LPWStr)] string pszArgs);
+        void GetHotkey(out short pwHotkey);
+        void SetHotkey(short wHotkey);
+        void GetShowCmd(out int piShowCmd);
+        void SetShowCmd(int iShowCmd);
+        void GetIconLocation([Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszIconPath, int cchIconPath, out int piIcon);
+        void SetIconLocation([MarshalAs(UnmanagedType.LPWStr)] string pszIconPath, int iIcon);
+        void SetRelativePath([MarshalAs(UnmanagedType.LPWStr)] string pszPathRel, int dwReserved);
+        void Resolve(IntPtr hwnd, int fFlags);
+        void SetPath([MarshalAs(UnmanagedType.LPWStr)] string pszFile);
+    }
+}