Add workspaces & persistent chats (#23)

app/MindWork AI Studio/Components/Layout/MainLayout.razor

@@ -10,8 +10,8 @@
                         <MudTooltip Text="Home" Placement="Placement.Right">
                             <MudNavLink Href="/" Match="NavLinkMatch.All" Icon="@Icons.Material.Filled.Home">Home</MudNavLink>
                         </MudTooltip>
-                        <MudTooltip Text="Chats" Placement="Placement.Right">
-                            <MudNavLink Href="/chat" Icon="@Icons.Material.Filled.Chat">Chats</MudNavLink>
+                        <MudTooltip Text="Chat" Placement="Placement.Right">
+                            <MudNavLink Href="/chat" Icon="@Icons.Material.Filled.Chat">Chat</MudNavLink>
                         </MudTooltip>
                         <MudTooltip Text="Supporters" Placement="Placement.Right">
                             <MudNavLink Href="/supporters" Icon="@Icons.Material.Filled.Favorite" IconColor="Color.Error">Supporters</MudNavLink>

app/MindWork AI Studio/Components/Layout/MainLayout.razor.cs

@@ -3,6 +3,7 @@ using AIStudio.Settings;
 using AIStudio.Tools;
 
 using Microsoft.AspNetCore.Components;
+using Microsoft.AspNetCore.Components.Routing;
 
 using DialogOptions = AIStudio.Components.CommonDialogs.DialogOptions;
 
@@ -27,6 +28,9 @@ public partial class MainLayout : LayoutComponentBase, IMessageBusReceiver
     
     [Inject]
     private ISnackbar Snackbar { get; init; } = null!;
+    
+    [Inject]
+    private NavigationManager NavigationManager { get; init; } = null!;
 
     public string AdditionalHeight { get; private set; } = "0em";
     
@@ -40,6 +44,8 @@ public partial class MainLayout : LayoutComponentBase, IMessageBusReceiver
 
     protected override async Task OnInitializedAsync()
     {
+        this.NavigationManager.RegisterLocationChangingHandler(this.OnLocationChanging);
+        
         //
         // We use the Tauri API (Rust) to get the data and config directories
         // for this app.
@@ -49,7 +55,8 @@ public partial class MainLayout : LayoutComponentBase, IMessageBusReceiver
         
         // Store the directories in the settings manager:
         SettingsManager.ConfigDirectory = configDir;
-        SettingsManager.DataDirectory = dataDir;
+        SettingsManager.DataDirectory = Path.Join(dataDir, "data");
+        Directory.CreateDirectory(SettingsManager.DataDirectory);
         
         // Ensure that all settings are loaded:
         await this.SettingsManager.LoadSettings();
@@ -60,6 +67,7 @@ public partial class MainLayout : LayoutComponentBase, IMessageBusReceiver
         
         // Set the js runtime for the update service:
         UpdateService.SetBlazorDependencies(this.JsRuntime, this.Snackbar);
+        TemporaryChatService.Initialize();
         
         await base.OnInitializedAsync();
     }
@@ -91,6 +99,11 @@ public partial class MainLayout : LayoutComponentBase, IMessageBusReceiver
         }
     }
 
+    public Task<TResult?> ProcessMessageWithResult<TPayload, TResult>(ComponentBase? sendingComponent, Event triggeredEvent, TPayload? data)
+    {
+        return Task.FromResult<TResult?>(default);
+    }
+
     #endregion
 
     private async Task DismissUpdate()
@@ -145,4 +158,26 @@ public partial class MainLayout : LayoutComponentBase, IMessageBusReceiver
         this.StateHasChanged();
         await this.Rust.InstallUpdate(this.JsRuntime);
     }
+    
+    private async ValueTask OnLocationChanging(LocationChangingContext context)
+    {
+        if (await MessageBus.INSTANCE.SendMessageUseFirstResult<bool, bool>(this, Event.HAS_CHAT_UNSAVED_CHANGES))
+        {
+            var dialogParameters = new DialogParameters
+            {
+                { "Message", "Are you sure you want to leave the chat page? All unsaved changes will be lost." },
+            };
+        
+            var dialogReference = await this.DialogService.ShowAsync<ConfirmDialog>("Leave Chat Page", dialogParameters, DialogOptions.FULLSCREEN);
+            var dialogResult = await dialogReference.Result;
+            if (dialogResult.Canceled)
+            {
+                context.PreventNavigation();
+                return;
+            }
+
+            // User accepted to leave the chat page, reset the chat state:
+            await MessageBus.INSTANCE.SendMessage<bool>(this, Event.RESET_CHAT_STATE);
+        }
+    }
 }