Added progress messages and quick access to exported files (#1112)

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

@@ -0,0 +1,31 @@
+using Microsoft.AspNetCore.Components;
+
+namespace AIStudio.Components;
+
+/// <summary>
+/// The content of the notification that a file was exported, see DataFileExportSuccessMessage.
+/// </summary>
+/// <remarks>
+/// Taking one of the ways to the file leaves the notification open: whoever opened the file often
+/// wants to see it in its folder afterward, or the other way round.
+/// </remarks>
+public partial class FileExportSuccessMessage : MSGComponentBase
+{
+    /// <summary>
+    /// What was exported.
+    /// </summary>
+    [Parameter]
+    public string Message { get; set; } = string.Empty;
+
+    /// <summary>
+    /// The file which was written.
+    /// </summary>
+    [Parameter]
+    public string FilePath { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Whether the file may be opened with the default program.
+    /// </summary>
+    [Parameter]
+    public bool OffersOpening { get; set; }
+}