Implemented removal of chat messages (#246)

app/MindWork AI Studio/Chat/ChatThread.cs

@@ -97,4 +97,17 @@ public sealed record ChatThread
         logger.LogInformation(logMessage);
         return systemPromptText;
     }
+    
+    /// <summary>
+    /// Removes a content block from this chat thread.
+    /// </summary>
+    /// <param name="content">The content block to remove.</param>
+    public void Remove(IContent content)
+    {
+        var block = this.Blocks.FirstOrDefault(x => x.Content == content);
+        if(block is null)
+            return;
+        
+        this.Blocks.Remove(block);
+    }
 }

app/MindWork AI Studio/Chat/ContentBlockComponent.razor

@@ -12,7 +12,15 @@
             <MudText Typo="Typo.body1">@this.Role.ToName() (@this.Time)</MudText>
         </CardHeaderContent>
         <CardHeaderActions>
-            <MudIconButton Icon="@Icons.Material.Filled.ContentCopy" Color="Color.Default" OnClick="@this.CopyToClipboard" />
+            @if (this.RemoveBlockFunc is not null)
+            {
+                <MudTooltip Text="Removes this block" Placement="Placement.Bottom">
+                    <MudIconButton Icon="@Icons.Material.Filled.Delete" Color="Color.Error" OnClick="@this.RemoveBlock"/>
+                </MudTooltip>
+            }
+            <MudTooltip Text="Copies the content to the clipboard" Placement="Placement.Bottom">
+                <MudIconButton Icon="@Icons.Material.Filled.ContentCopy" Color="Color.Default" OnClick="@this.CopyToClipboard"/>
+            </MudTooltip>
         </CardHeaderActions>
     </MudCardHeader>
     <MudCardContent>

app/MindWork AI Studio/Chat/ContentBlockComponent.razor.cs

@@ -41,6 +41,9 @@ public partial class ContentBlockComponent : ComponentBase
     [Parameter]
     public string Class { get; set; } = string.Empty;
 
+    [Parameter]
+    public Func<IContent, Task>? RemoveBlockFunc { get; set; }
+    
     [Inject]
     private RustService RustService { get; init; } = null!;
     
@@ -50,6 +53,9 @@ public partial class ContentBlockComponent : ComponentBase
     [Inject]
     private SettingsManager SettingsManager { get; init; } = null!;
     
+    [Inject]
+    private IDialogService DialogService { get; init; } = null!;
+
     private bool HideContent { get; set; }
 
     #region Overrides of ComponentBase
@@ -122,4 +128,19 @@ public partial class ContentBlockComponent : ComponentBase
     private string CardClasses => $"my-2 rounded-lg {this.Class}";
 
     private CodeBlockTheme CodeColorPalette => this.SettingsManager.IsDarkMode ? CodeBlockTheme.Dark : CodeBlockTheme.Default;
+    
+    private async Task RemoveBlock()
+    {
+        if (this.RemoveBlockFunc is null)
+            return;
+        
+        var remove = await this.DialogService.ShowMessageBox(
+            "Remove Message",
+            "Do you really want to remove this message?",
+            "Yes, remove it",
+            "No, keep it");
+        
+        if (remove.HasValue && remove.Value)
+            await this.RemoveBlockFunc(this.Content);
+    }
 }

app/MindWork AI Studio/Components/ChatComponent.razor

@@ -11,7 +11,7 @@
             {
                 @if (!block.HideFromUser)
                 {
-                    <ContentBlockComponent Role="@block.Role" Type="@block.ContentType" Time="@block.Time" Content="@block.Content"/>
+                    <ContentBlockComponent Role="@block.Role" Type="@block.ContentType" Time="@block.Time" Content="@block.Content" RemoveBlockFunc="@this.RemoveBlock"/>
                 }
             }
         }

app/MindWork AI Studio/Components/ChatComponent.razor.cs

@@ -571,6 +571,17 @@ public partial class ChatComponent : MSGComponentBase, IAsyncDisposable
         await MessageBus.INSTANCE.SendMessage<bool>(this, Event.WORKSPACE_TOGGLE_OVERLAY);
     }
     
+    private async Task RemoveBlock(IContent block)
+    {
+        if(this.ChatThread is null)
+            return;
+        
+        this.ChatThread.Remove(block);
+        this.hasUnsavedChanges = true;
+        await this.SaveThread();
+        this.StateHasChanged();
+    }
+    
     #region Overrides of MSGComponentBase
 
     public override async Task ProcessIncomingMessage<T>(ComponentBase? sendingComponent, Event triggeredEvent, T? data) where T : default

app/MindWork AI Studio/wwwroot/changelog/v0.9.24.md

@@ -0,0 +1,2 @@
+# v0.9.24, build 199 (2025-01-xx xx:xx UTC)
+- Added a button to remove a message from the chat thread.