Add workspaces & persistent chats (#23)

app/MindWork AI Studio/Components/Blocks/Changelog.Logs.cs

@@ -13,6 +13,7 @@ public partial class Changelog
     
     public static readonly Log[] LOGS = 
     [
+        new (160, "v0.7.0, build 160 (2024-07-13 08:21 UTC)", "v0.7.0.md"),
         new (159, "v0.6.3, build 159 (2024-07-03 18:26 UTC)", "v0.6.3.md"),
         new (158, "v0.6.2, build 158 (2024-07-01 18:03 UTC)", "v0.6.2.md"),
         new (157, "v0.6.1, build 157 (2024-06-30 19:00 UTC)", "v0.6.1.md"),

app/MindWork AI Studio/Components/Blocks/ITreeItem.cs

@@ -0,0 +1,3 @@
+namespace AIStudio.Components.Blocks;
+
+public interface ITreeItem;

app/MindWork AI Studio/Components/Blocks/InnerScrolling.razor.cs

@@ -51,6 +51,11 @@ public partial class InnerScrolling : MSGComponentBase
         return Task.CompletedTask;
     }
 
+    public override Task<TResult?> ProcessMessageWithResult<TPayload, TResult>(ComponentBase? sendingComponent, Event triggeredEvent, TPayload? data) where TResult : default where TPayload : default
+    {
+        return Task.FromResult(default(TResult));
+    }
+
     #endregion
 
     private string Height => $"height: calc(100vh - {this.HeaderHeight} - {this.MainLayout.AdditionalHeight});";

app/MindWork AI Studio/Components/Blocks/TreeButton.cs

@@ -0,0 +1,3 @@
+namespace AIStudio.Components.Blocks;
+
+public readonly record struct TreeButton(WorkspaceBranch Branch, int Depth, string Text, string Icon, Func<Task> Action) : ITreeItem;

app/MindWork AI Studio/Components/Blocks/TreeDivider.cs

@@ -0,0 +1,3 @@
+namespace AIStudio.Components.Blocks;
+
+public readonly record struct TreeDivider : ITreeItem;

app/MindWork AI Studio/Components/Blocks/TreeItemData.cs

@@ -0,0 +1,22 @@
+namespace AIStudio.Components.Blocks;
+
+public class TreeItemData : ITreeItem
+{
+    public WorkspaceBranch Branch { get; init; } = WorkspaceBranch.NONE;
+    
+    public int Depth { get; init; }
+    
+    public string Text { get; init; } = string.Empty;
+    
+    public string ShortenedText => Text.Length > 30 ? this.Text[..30] + "..." : this.Text;
+
+    public string Icon { get; init; } = string.Empty;
+
+    public TreeItemType Type { get; init; }
+
+    public string Path { get; init; } = string.Empty;
+
+    public bool Expandable { get; init; } = true;
+
+    public HashSet<ITreeItem> Children { get; init; } = [];
+}

app/MindWork AI Studio/Components/Blocks/TreeItemType.cs

@@ -0,0 +1,9 @@
+namespace AIStudio.Components.Blocks;
+
+public enum TreeItemType
+{
+    NONE,
+    
+    CHAT,
+    WORKSPACE,
+}

app/MindWork AI Studio/Components/Blocks/WorkspaceBranch.cs

@@ -0,0 +1,9 @@
+namespace AIStudio.Components.Blocks;
+
+public enum WorkspaceBranch
+{
+    NONE,
+    
+    WORKSPACES,
+    TEMPORARY_CHATS,
+}

app/MindWork AI Studio/Components/Blocks/Workspaces.razor

@@ -0,0 +1,88 @@
+<MudTreeView T="ITreeItem" Items="@this.treeItems" MultiSelection="@false" Hover="@true" ExpandOnClick="@true">
+    <ItemTemplate Context="item">
+        @switch (item)
+        {
+            case TreeDivider:
+                <li style="min-height: 1em;">
+                    <MudDivider Style="margin-top: 1em; width: 90%; border-width: 3pt;"/>
+                </li>
+                break;
+                
+            case TreeItemData treeItem:
+                @if (treeItem.Type is TreeItemType.CHAT)
+                {
+                    <MudTreeViewItem T="ITreeItem" Icon="@treeItem.Icon" Value="@item" CanExpand="@treeItem.Expandable" Items="@treeItem.Children" OnClick="() => this.LoadChat(treeItem.Path, true)">
+                        <BodyContent>
+                            <div style="display: grid; grid-template-columns: 1fr auto; align-items: center; width: 100%">
+                                <MudText Style="justify-self: start;">
+                                    @if (string.IsNullOrWhiteSpace(treeItem.Text))
+                                    {
+                                        @("Empty chat")
+                                    }
+                                    else
+                                    {
+                                        @treeItem.ShortenedText
+                                    }
+                                </MudText>
+                                <div style="justify-self: end;">
+                                    
+                                    <MudTooltip Text="Move to workspace" Placement="@WORKSPACE_ITEM_TOOLTIP_PLACEMENT">
+                                        <MudIconButton Icon="@Icons.Material.Filled.MoveToInbox" Size="Size.Medium" Color="Color.Inherit" OnClick="() => this.MoveChat(treeItem.Path)"/>
+                                    </MudTooltip>
+                                    
+                                    <MudTooltip Text="Rename" Placement="@WORKSPACE_ITEM_TOOLTIP_PLACEMENT">
+                                        <MudIconButton Icon="@Icons.Material.Filled.Edit" Size="Size.Medium" Color="Color.Inherit" OnClick="() => this.RenameChat(treeItem.Path)"/>
+                                    </MudTooltip>
+
+                                    <MudTooltip Text="Delete" Placement="@WORKSPACE_ITEM_TOOLTIP_PLACEMENT">
+                                        <MudIconButton Icon="@Icons.Material.Filled.Delete" Size="Size.Medium" Color="Color.Inherit" OnClick="() => this.DeleteChat(treeItem.Path)"/>
+                                    </MudTooltip>
+                                </div>
+                            </div>
+                        </BodyContent>
+                    </MudTreeViewItem>
+                }
+                else if (treeItem.Type is TreeItemType.WORKSPACE)
+                {
+                    <MudTreeViewItem T="ITreeItem" Icon="@treeItem.Icon" Value="@item" CanExpand="@treeItem.Expandable" Items="@treeItem.Children">
+                        <BodyContent>
+                            <div style="display: grid; grid-template-columns: 1fr auto; align-items: center; width: 100%">
+                                <MudText Style="justify-self: start;">@treeItem.Text</MudText>
+                                <div style="justify-self: end;">
+                                    <MudTooltip Text="Rename" Placement="@WORKSPACE_ITEM_TOOLTIP_PLACEMENT">
+                                        <MudIconButton Icon="@Icons.Material.Filled.Edit" Size="Size.Medium" Color="Color.Inherit" OnClick="() => this.RenameWorkspace(treeItem.Path)"/>
+                                    </MudTooltip>
+
+                                    <MudTooltip Text="Delete" Placement="@WORKSPACE_ITEM_TOOLTIP_PLACEMENT">
+                                        <MudIconButton Icon="@Icons.Material.Filled.Delete" Size="Size.Medium" Color="Color.Inherit" OnClick="() => this.DeleteWorkspace(treeItem.Path)"/>
+                                    </MudTooltip>
+                                </div>
+                            </div>
+                        </BodyContent>
+                    </MudTreeViewItem>
+                }
+                else
+                {
+                    <MudTreeViewItem T="ITreeItem" Icon="@treeItem.Icon" Value="@item" CanExpand="@treeItem.Expandable" Items="@treeItem.Children">
+                        <BodyContent>
+                            <div style="display: grid; grid-template-columns: 1fr auto; align-items: center; width: 100%">
+                                <MudText Style="justify-self: start;">@treeItem.Text</MudText>
+                            </div>
+                        </BodyContent>
+                    </MudTreeViewItem>
+                }
+                break;
+                
+            case TreeButton treeButton:
+                <li>
+                    <div class="mud-treeview-item-content" style="background-color: unset;">
+                        <div class="mud-treeview-item-arrow"></div>
+                        <MudButton StartIcon="@treeButton.Icon" Variant="Variant.Filled" OnClick="treeButton.Action">
+                            @treeButton.Text
+                        </MudButton>
+                    </div>
+                </li>
+                break;
+        }
+    </ItemTemplate>
+</MudTreeView>

app/MindWork AI Studio/Components/Blocks/Workspaces.razor.cs

@@ -0,0 +1,499 @@
+using System.Text;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+using AIStudio.Chat;
+using AIStudio.Components.CommonDialogs;
+using AIStudio.Settings;
+using AIStudio.Tools;
+
+using Microsoft.AspNetCore.Components;
+
+using DialogOptions = AIStudio.Components.CommonDialogs.DialogOptions;
+
+namespace AIStudio.Components.Blocks;
+
+public partial class Workspaces : ComponentBase
+{
+    [Inject]
+    private SettingsManager SettingsManager { get; set; } = null!;
+    
+    [Inject]
+    private IDialogService DialogService { get; set; } = null!;
+    
+    [Inject]
+    public Random RNG { get; set; } = null!;
+    
+    [Parameter]
+    public ChatThread? CurrentChatThread { get; set; }
+    
+    [Parameter]
+    public EventCallback<ChatThread> CurrentChatThreadChanged { get; set; }
+
+    [Parameter]
+    public Func<Task> LoadedChatWasChanged { get; set; } = () => Task.CompletedTask;
+
+    private const Placement WORKSPACE_ITEM_TOOLTIP_PLACEMENT = Placement.Bottom;
+    
+    private static readonly JsonSerializerOptions JSON_OPTIONS = new()
+    {
+        WriteIndented = true,
+        AllowTrailingCommas = true,
+        PropertyNamingPolicy = JsonNamingPolicy.SnakeCaseLower,
+        DictionaryKeyPolicy = JsonNamingPolicy.CamelCase,
+        PropertyNameCaseInsensitive = true,
+        Converters =
+        {
+            new JsonStringEnumConverter(JsonNamingPolicy.SnakeCaseUpper),
+        }
+    };
+    
+    private readonly HashSet<ITreeItem> treeItems = new();
+    
+    #region Overrides of ComponentBase
+
+    protected override async Task OnInitializedAsync()
+    {
+        //
+        // Notice: In order to get the server-based loading to work, we need to respect the following rules:
+        // - We must have initial tree items
+        // - Those initial tree items cannot have children
+        // - When assigning the tree items to the MudTreeViewItem component, we must set the Value property to the value of the item
+        //
+        
+        await this.LoadTreeItems();
+        await base.OnInitializedAsync();
+    }
+
+    #endregion
+
+    private async Task LoadTreeItems()
+    {
+        this.treeItems.Clear();
+        this.treeItems.Add(new TreeItemData
+        {
+            Depth = 0,
+            Branch = WorkspaceBranch.WORKSPACES,
+            Text = "Workspaces",
+            Icon = Icons.Material.Filled.Folder,
+            Expandable = true,
+            Path = "root",
+            Children = await this.LoadWorkspaces(),
+        });
+
+        this.treeItems.Add(new TreeDivider());
+        this.treeItems.Add(new TreeItemData
+        {
+            Depth = 0,
+            Branch = WorkspaceBranch.TEMPORARY_CHATS,
+            Text = "Temporary chats",
+            Icon = Icons.Material.Filled.Timer,
+            Expandable = true,
+            Path = "temp",
+            Children = await this.LoadTemporaryChats(),
+        });
+    }
+
+    private async Task<HashSet<ITreeItem>> LoadTemporaryChats()
+    {
+        var tempChildren = new HashSet<ITreeItem>();
+
+        //
+        // Search for workspace folders in the data directory:
+        //
+                        
+        // Get the workspace root directory: 
+        var temporaryDirectories = Path.Join(SettingsManager.DataDirectory, "tempChats");
+                        
+        // Ensure the directory exists:
+        Directory.CreateDirectory(temporaryDirectories);
+                        
+        // Enumerate the workspace directories:
+        foreach (var tempChatDirPath in Directory.EnumerateDirectories(temporaryDirectories))
+        {
+            // Read the `name` file:
+            var chatNamePath = Path.Join(tempChatDirPath, "name");
+            var chatName = await File.ReadAllTextAsync(chatNamePath, Encoding.UTF8);
+                            
+            tempChildren.Add(new TreeItemData
+            {
+                Type = TreeItemType.CHAT,
+                Depth = 1,
+                Branch = WorkspaceBranch.TEMPORARY_CHATS,
+                Text = chatName,
+                Icon = Icons.Material.Filled.Timer,
+                Expandable = false,
+                Path = tempChatDirPath,
+            });
+        }
+                        
+        return tempChildren;
+    }
+    
+    public async Task<string> LoadWorkspaceName(Guid workspaceId)
+    {
+        if(workspaceId == Guid.Empty)
+            return string.Empty;
+        
+        var workspacePath = Path.Join(SettingsManager.DataDirectory, "workspaces", workspaceId.ToString());
+        var workspaceNamePath = Path.Join(workspacePath, "name");
+        return await File.ReadAllTextAsync(workspaceNamePath, Encoding.UTF8);
+    }
+    
+    private async Task<HashSet<ITreeItem>> LoadWorkspaces()
+    {
+        var workspaces = new HashSet<ITreeItem>();
+        
+        //
+        // Search for workspace folders in the data directory:
+        //
+
+        // Get the workspace root directory: 
+        var workspaceDirectories = Path.Join(SettingsManager.DataDirectory, "workspaces");
+
+        // Ensure the directory exists:
+        Directory.CreateDirectory(workspaceDirectories);
+
+        // Enumerate the workspace directories:
+        foreach (var workspaceDirPath in Directory.EnumerateDirectories(workspaceDirectories))
+        {
+            // Read the `name` file:
+            var workspaceNamePath = Path.Join(workspaceDirPath, "name");
+            var workspaceName = await File.ReadAllTextAsync(workspaceNamePath, Encoding.UTF8);
+                                
+            workspaces.Add(new TreeItemData
+            {
+                Type = TreeItemType.WORKSPACE,
+                Depth = 1,
+                Branch = WorkspaceBranch.WORKSPACES,
+                Text = workspaceName,
+                Icon = Icons.Material.Filled.Description,
+                Expandable = true,
+                Path = workspaceDirPath,
+                Children = await this.LoadWorkspaceChats(workspaceDirPath),
+            });
+        }
+                            
+        workspaces.Add(new TreeButton(WorkspaceBranch.WORKSPACES, 1, "Add workspace",Icons.Material.Filled.LibraryAdd, this.AddWorkspace));
+        return workspaces;
+    }
+
+    private async Task<HashSet<ITreeItem>> LoadWorkspaceChats(string workspacePath)
+    {
+        var workspaceChats = new HashSet<ITreeItem>();
+        
+        // Enumerate the workspace directory:
+        foreach (var chatPath in Directory.EnumerateDirectories(workspacePath))
+        {
+            // Read the `name` file:
+            var chatNamePath = Path.Join(chatPath, "name");
+            var chatName = await File.ReadAllTextAsync(chatNamePath, Encoding.UTF8);
+                                
+            workspaceChats.Add(new TreeItemData
+            {
+                Type = TreeItemType.CHAT,
+                Depth = 2,
+                Branch = WorkspaceBranch.WORKSPACES,
+                Text = chatName,
+                Icon = Icons.Material.Filled.Chat,
+                Expandable = false,
+                Path = chatPath,
+            });
+        }
+                            
+        workspaceChats.Add(new TreeButton(WorkspaceBranch.WORKSPACES, 2, "Add chat",Icons.Material.Filled.AddComment, () => this.AddChat(workspacePath)));
+        return workspaceChats;
+    }
+
+    public async Task StoreChat(ChatThread chat)
+    {
+        string chatDirectory;
+        if (chat.WorkspaceId == Guid.Empty)
+            chatDirectory = Path.Join(SettingsManager.DataDirectory, "tempChats", chat.ChatId.ToString());
+        else
+            chatDirectory = Path.Join(SettingsManager.DataDirectory, "workspaces", chat.WorkspaceId.ToString(), chat.ChatId.ToString());
+        
+        // Ensure the directory exists:
+        Directory.CreateDirectory(chatDirectory);
+        
+        // Save the chat name:
+        var chatNamePath = Path.Join(chatDirectory, "name");
+        await File.WriteAllTextAsync(chatNamePath, chat.Name);
+        
+        // Save the thread as thread.json:
+        var chatPath = Path.Join(chatDirectory, "thread.json");
+        await File.WriteAllTextAsync(chatPath, JsonSerializer.Serialize(chat, JSON_OPTIONS), Encoding.UTF8);
+        
+        // Reload the tree items:
+        await this.LoadTreeItems();
+        this.StateHasChanged();
+    }
+
+    private async Task<ChatThread?> LoadChat(string? chatPath, bool switchToChat)
+    {
+        if(string.IsNullOrWhiteSpace(chatPath))
+            return null;
+
+        if(!Directory.Exists(chatPath))
+            return null;
+        
+        // Check if the chat has unsaved changes:
+        if (switchToChat && await MessageBus.INSTANCE.SendMessageUseFirstResult<bool, bool>(this, Event.HAS_CHAT_UNSAVED_CHANGES))
+        {
+            var dialogParameters = new DialogParameters
+            {
+                { "Message", "Are you sure you want to load another chat? All unsaved changes will be lost." },
+            };
+        
+            var dialogReference = await this.DialogService.ShowAsync<ConfirmDialog>("Load Chat", dialogParameters, DialogOptions.FULLSCREEN);
+            var dialogResult = await dialogReference.Result;
+            if (dialogResult.Canceled)
+                return null;
+        }
+
+        try
+        {
+            var chatData = await File.ReadAllTextAsync(Path.Join(chatPath, "thread.json"), Encoding.UTF8);
+            var chat = JsonSerializer.Deserialize<ChatThread>(chatData, JSON_OPTIONS);
+            if (switchToChat)
+            {
+                this.CurrentChatThread = chat;
+                await this.CurrentChatThreadChanged.InvokeAsync(this.CurrentChatThread);
+                await this.LoadedChatWasChanged();
+            }
+            
+            return chat;
+        }
+        catch (Exception e)
+        {
+            Console.WriteLine(e);
+        }
+        
+        return null;
+    }
+
+    public async Task DeleteChat(string? chatPath, bool askForConfirmation = true, bool unloadChat = true)
+    {
+        var chat = await this.LoadChat(chatPath, false);
+        if (chat is null)
+            return;
+
+        if (askForConfirmation)
+        {
+            var workspaceName = await this.LoadWorkspaceName(chat.WorkspaceId);
+            var dialogParameters = new DialogParameters
+            {
+                {
+                    "Message", (chat.WorkspaceId == Guid.Empty) switch
+                    {
+                        true => $"Are you sure you want to delete the temporary chat '{chat.Name}'?",
+                        false => $"Are you sure you want to delete the chat '{chat.Name}' in the workspace '{workspaceName}'?",
+                    }
+                },
+            };
+
+            var dialogReference = await this.DialogService.ShowAsync<ConfirmDialog>("Delete Chat", dialogParameters, DialogOptions.FULLSCREEN);
+            var dialogResult = await dialogReference.Result;
+            if (dialogResult.Canceled)
+                return;
+        }
+
+        string chatDirectory;
+        if (chat.WorkspaceId == Guid.Empty)
+            chatDirectory = Path.Join(SettingsManager.DataDirectory, "tempChats", chat.ChatId.ToString());
+        else
+            chatDirectory = Path.Join(SettingsManager.DataDirectory, "workspaces", chat.WorkspaceId.ToString(), chat.ChatId.ToString());
+
+        Directory.Delete(chatDirectory, true);
+        await this.LoadTreeItems();
+        
+        if(unloadChat && this.CurrentChatThread?.ChatId == chat.ChatId)
+        {
+            this.CurrentChatThread = null;
+            await this.CurrentChatThreadChanged.InvokeAsync(this.CurrentChatThread);
+            await this.LoadedChatWasChanged();
+        }
+    }
+
+    private async Task RenameChat(string? chatPath)
+    {
+        var chat = await this.LoadChat(chatPath, false);
+        if (chat is null)
+            return;
+        
+        var dialogParameters = new DialogParameters
+        {
+            { "Message", $"Please enter a new or edit the name for your chat '{chat.Name}':" },
+            { "UserInput", chat.Name },
+            { "ConfirmText", "Rename" },
+            { "ConfirmColor", Color.Info },
+        };
+        
+        var dialogReference = await this.DialogService.ShowAsync<SingleInputDialog>("Rename Chat", dialogParameters, DialogOptions.FULLSCREEN);
+        var dialogResult = await dialogReference.Result;
+        if (dialogResult.Canceled)
+            return;
+
+        chat.Name = (dialogResult.Data as string)!;
+        await this.StoreChat(chat);
+        await this.LoadTreeItems();
+    }
+    
+    private async Task RenameWorkspace(string? workspacePath)
+    {
+        if(workspacePath is null)
+            return;
+        
+        var workspaceId = Guid.Parse(Path.GetFileName(workspacePath));
+        var workspaceName = await this.LoadWorkspaceName(workspaceId);
+        var dialogParameters = new DialogParameters
+        {
+            { "Message", $"Please enter a new or edit the name for your workspace '{workspaceName}':" },
+            { "UserInput", workspaceName },
+            { "ConfirmText", "Rename" },
+            { "ConfirmColor", Color.Info },
+        };
+        
+        var dialogReference = await this.DialogService.ShowAsync<SingleInputDialog>("Rename Workspace", dialogParameters, DialogOptions.FULLSCREEN);
+        var dialogResult = await dialogReference.Result;
+        if (dialogResult.Canceled)
+            return;
+        
+        var alteredWorkspaceName = (dialogResult.Data as string)!;
+        var workspaceNamePath = Path.Join(workspacePath, "name");
+        await File.WriteAllTextAsync(workspaceNamePath, alteredWorkspaceName, Encoding.UTF8);
+        await this.LoadTreeItems();
+    }
+
+    private async Task AddWorkspace()
+    {
+        var dialogParameters = new DialogParameters
+        {
+            { "Message", "Please name your workspace:" },
+            { "UserInput", string.Empty },
+            { "ConfirmText", "Add workspace" },
+            { "ConfirmColor", Color.Info },
+        };
+        
+        var dialogReference = await this.DialogService.ShowAsync<SingleInputDialog>("Add Workspace", dialogParameters, DialogOptions.FULLSCREEN);
+        var dialogResult = await dialogReference.Result;
+        if (dialogResult.Canceled)
+            return;
+        
+        var workspaceId = Guid.NewGuid();
+        var workspacePath = Path.Join(SettingsManager.DataDirectory, "workspaces", workspaceId.ToString());
+        Directory.CreateDirectory(workspacePath);
+        
+        var workspaceNamePath = Path.Join(workspacePath, "name");
+        await File.WriteAllTextAsync(workspaceNamePath, (dialogResult.Data as string)!, Encoding.UTF8);
+        
+        await this.LoadTreeItems();
+    }
+    
+    private async Task DeleteWorkspace(string? workspacePath)
+    {
+        if(workspacePath is null)
+            return;
+        
+        var workspaceId = Guid.Parse(Path.GetFileName(workspacePath));
+        var workspaceName = await this.LoadWorkspaceName(workspaceId);
+        
+        // Determine how many chats are in the workspace:
+        var chatCount = Directory.EnumerateDirectories(workspacePath).Count();
+        
+        var dialogParameters = new DialogParameters
+        {
+            { "Message", $"Are you sure you want to delete the workspace '{workspaceName}'? This will also delete {chatCount} chat(s) in this workspace." },
+        };
+        
+        var dialogReference = await this.DialogService.ShowAsync<ConfirmDialog>("Delete Workspace", dialogParameters, DialogOptions.FULLSCREEN);
+        var dialogResult = await dialogReference.Result;
+        if (dialogResult.Canceled)
+            return;
+        
+        Directory.Delete(workspacePath, true);
+        await this.LoadTreeItems();
+    }
+    
+    private async Task MoveChat(string? chatPath)
+    {
+        var chat = await this.LoadChat(chatPath, false);
+        if (chat is null)
+            return;
+        
+        var dialogParameters = new DialogParameters
+        {
+            { "Message", "Please select the workspace where you want to move the chat to." },
+            { "SelectedWorkspace", chat.WorkspaceId },
+            { "ConfirmText", "Move chat" },
+        };
+        
+        var dialogReference = await this.DialogService.ShowAsync<WorkspaceSelectionDialog>("Move Chat to Workspace", dialogParameters, DialogOptions.FULLSCREEN);
+        var dialogResult = await dialogReference.Result;
+        if (dialogResult.Canceled)
+            return;
+        
+        var workspaceId = dialogResult.Data is Guid id ? id : default;
+        if (workspaceId == Guid.Empty)
+            return;
+        
+        // Delete the chat from the current workspace or the temporary storage:
+        if (chat.WorkspaceId == Guid.Empty)
+        {
+            // Case: The chat is stored in the temporary storage:
+            await this.DeleteChat(Path.Join(SettingsManager.DataDirectory, "tempChats", chat.ChatId.ToString()), askForConfirmation: false, unloadChat: false);
+        }
+        else
+        {
+            // Case: The chat is stored in a workspace.
+            await this.DeleteChat(Path.Join(SettingsManager.DataDirectory, "workspaces", chat.WorkspaceId.ToString(), chat.ChatId.ToString()), askForConfirmation: false, unloadChat: false);
+        }
+        
+        // Update the chat's workspace:
+        chat.WorkspaceId = workspaceId;
+        
+        // Handle the case where the chat is the active chat:
+        if (this.CurrentChatThread?.ChatId == chat.ChatId)
+        {
+            this.CurrentChatThread = chat;
+            await this.CurrentChatThreadChanged.InvokeAsync(this.CurrentChatThread);
+            await this.LoadedChatWasChanged();
+        }
+        
+        await this.StoreChat(chat);
+    }
+    
+    private async Task AddChat(string workspacePath)
+    {
+        // Check if the chat has unsaved changes:
+        if (await MessageBus.INSTANCE.SendMessageUseFirstResult<bool, bool>(this, Event.HAS_CHAT_UNSAVED_CHANGES))
+        {
+            var dialogParameters = new DialogParameters
+            {
+                { "Message", "Are you sure you want to create a another chat? All unsaved changes will be lost." },
+            };
+        
+            var dialogReference = await this.DialogService.ShowAsync<ConfirmDialog>("Create Chat", dialogParameters, DialogOptions.FULLSCREEN);
+            var dialogResult = await dialogReference.Result;
+            if (dialogResult.Canceled)
+                return;
+        }
+        
+        var workspaceId = Guid.Parse(Path.GetFileName(workspacePath));
+        var chat = new ChatThread
+        {
+            WorkspaceId = workspaceId,
+            ChatId = Guid.NewGuid(),
+            Name = string.Empty,
+            Seed = this.RNG.Next(),
+            SystemPrompt = "You are a helpful assistant!",
+            Blocks = [],
+        };
+        
+        var chatPath = Path.Join(workspacePath, chat.ChatId.ToString());
+        
+        await this.StoreChat(chat);
+        await this.LoadChat(chatPath, switchToChat: true);
+        await this.LoadTreeItems();
+    }
+}