Aggiunta possibilità di rimozione allegati

salesbook.Shared/Components/SingleElements/Modal/ActivityForm.razor

@@ -183,7 +183,7 @@
                 {
                     foreach (var file in ActivityFileList)
                     {
-                        <MudChip T="string" OnClick="() => OpenAttached(file.Id, file.FileName)" Color="Color.Default">
+                        <MudChip T="string" OnClick="() => OpenAttached(file.Id, file.FileName)" OnClose="() => DeleteAttach(file)" Color="Color.Default">
                             @file.FileName
                         </MudChip>
                     }
@@ -700,6 +700,33 @@
         }
     }
 
+    private async Task DeleteAttach(ActivityFileDto file)
+    {
+        Snackbar.Clear();
+
+        if (ActivityFileList == null) return;
+
+        try
+        {
+            ActivityFileList.Remove(file);
+            StateHasChanged();
+
+            await IntegryApiService.DeleteFile(ActivityModel.ActivityId!, file.FileName);
+        }
+        catch (Exception ex)
+        {
+            ActivityFileList.Add(file);
+            StateHasChanged();
+
+            Snackbar.Add("Impossibile eliminare il file", Severity.Error);
+            Console.WriteLine($"Impossibile eliminare il file: {ex.Message}");
+        }
+        finally
+        {
+            Snackbar.Add($"{file.FileName} eliminato con successo", Severity.Info);
+        }
+    }
+
     private async Task OpenAttached(AttachedDTO attached)
     {
         if (attached is { FileContent: not null, MimeType: not null })