Save the last install path, and load it next time we open the app

Wabbajack.App.Wpf/Messages/LoadLastLoadedModlist.cs

@@ -0,0 +1,12 @@
+
+using ReactiveUI;
+
+namespace Wabbajack.Messages;
+
+public class LoadLastLoadedModlist
+{
+    public static void Send()
+    {
+        MessageBus.Current.SendMessage(new LoadLastLoadedModlist());
+    }
+}

Wabbajack.App.Wpf/View Models/Installers/InstallerVM.cs

@@ -24,6 +24,7 @@ using Wabbajack.Paths;
 using Wabbajack.RateLimiter;
 using Wabbajack.View_Models;
 using Wabbajack.Paths.IO;
+using Wabbajack.Services.OSIntegrated;
 using Consts = Wabbajack.Consts;
 using KnownFolders = Wabbajack.Paths.IO.KnownFolders;
 
@@ -36,6 +37,8 @@ public enum ModManager
 
 public class InstallerVM : BackNavigatingVM, IBackNavigatingVM
 {
+    private const string LastLoadedModlist = "last-loaded-modlist";
+    
     [Reactive]
     public ModList ModList { get; set; }
     
@@ -72,7 +75,8 @@ public class InstallerVM : BackNavigatingVM, IBackNavigatingVM
     private readonly ObservableAsPropertyHelper<bool> _installing;
     private readonly DTOSerializer _dtos;
     private readonly ILogger<InstallerVM> _logger;
-    
+    private readonly SettingsManager _settingsManager;
+
     [Reactive]
     public bool Installing { get; set; }
     
@@ -89,9 +93,10 @@ public class InstallerVM : BackNavigatingVM, IBackNavigatingVM
     
     public ReactiveCommand<Unit, Unit> BackCommand { get; }
 
-    public InstallerVM(ILogger<InstallerVM> logger, DTOSerializer dtos) : base(logger)
+    public InstallerVM(ILogger<InstallerVM> logger, DTOSerializer dtos, SettingsManager settingsManager) : base(logger)
     {
         _logger = logger;
+        _settingsManager = settingsManager;
         _dtos = dtos;
         Installer = new MO2InstallerVM(this);
         
@@ -119,6 +124,12 @@ public class InstallerVM : BackNavigatingVM, IBackNavigatingVM
             .Subscribe(msg => LoadModlist(msg.Path).FireAndForget())
             .DisposeWith(CompositeDisposable);
 
+        MessageBus.Current.Listen<LoadLastLoadedModlist>()
+            .Subscribe(msg =>
+            {
+                LoadLastModlist().FireAndForget();
+            });
+
         this.WhenActivated(disposables =>
         {
             ModListLocation.WhenAnyValue(l => l.TargetPath)
@@ -129,6 +140,13 @@ public class InstallerVM : BackNavigatingVM, IBackNavigatingVM
 
     }
 
+    private async Task LoadLastModlist()
+    {
+        var lst = await _settingsManager.Load<AbsolutePath>(LastLoadedModlist);
+        if (lst.FileExists())
+            await LoadModlist(lst);
+    }
+
     private async Task LoadModlist(AbsolutePath path)
     {
         using var ll = LoadingLock.WithLoading();
@@ -140,6 +158,7 @@ public class InstallerVM : BackNavigatingVM, IBackNavigatingVM
             PopulateSlideShow(ModList);
             
             ll.Succeed();
+            await _settingsManager.Save(LastLoadedModlist, path);
         }
         catch (Exception ex)
         {
@@ -148,7 +167,6 @@ public class InstallerVM : BackNavigatingVM, IBackNavigatingVM
         }
     }
 
-
     private void PopulateSlideShow(ModList modList)
     {
         SlideShowTitle = modList.Name;

Wabbajack.App.Wpf/View Models/ModeSelectionVM.cs

@@ -19,11 +19,16 @@ namespace Wabbajack
         public ICommand BrowseCommand { get; }
         public ICommand InstallCommand { get; }
         public ICommand CompileCommand { get; }
+        
         public ReactiveCommand<Unit, Unit> UpdateCommand { get; }
 
         public ModeSelectionVM()
         {
-            InstallCommand = ReactiveCommand.Create(() => NavigateToGlobal.Send(NavigateToGlobal.ScreenType.Installer));
+            InstallCommand = ReactiveCommand.Create(() =>
+            {
+                LoadLastLoadedModlist.Send();
+                NavigateToGlobal.Send(NavigateToGlobal.ScreenType.Installer);
+            });
             CompileCommand = ReactiveCommand.Create(() => NavigateToGlobal.Send(NavigateToGlobal.ScreenType.Compiler));
             BrowseCommand = ReactiveCommand.Create(() => NavigateToGlobal.Send(NavigateToGlobal.ScreenType.ModListGallery));
         }