Added prompt overrides for testing the BeyondFacts Lab (#1181)

app/MindWork AI Studio/Assistants/BeyondFactsLab/BflPromptOverrideNotice.razor.cs

@@ -0,0 +1,72 @@
+using AIStudio.Components;
+
+using Microsoft.AspNetCore.Components;
+
+namespace AIStudio.Assistants.BeyondFactsLab;
+
+/// <summary>
+/// Tells the person that files in the test folder replace prompts of the lab, so that nobody mistakes the answers of
+/// experimental prompts for those of the lab.
+/// </summary>
+/// <remarks>
+/// It checks the folder when it appears, e.g., for every step the person opens, and whenever a setting changes. It
+/// shows nothing while the setting does not allow prompt overrides, or while every file in the folder matches the
+/// prompt it replaces.
+/// </remarks>
+public partial class BflPromptOverrideNotice : MSGComponentBase
+{
+    [Inject]
+    private BflConversationService ConversationService { get; init; } = null!;
+
+    [Inject]
+    private ILogger<BflPromptOverrideNotice> Logger { get; init; } = null!;
+
+    /// <summary>
+    /// Gets or sets the CSS classes of the notice, e.g., for its margins.
+    /// </summary>
+    [Parameter]
+    public string Class { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Whether files in the test folder replace prompts of the lab.
+    /// </summary>
+    private bool usesPromptOverrides;
+
+    /// <inheritdoc />
+    protected override async Task OnInitializedAsync()
+    {
+        this.ApplyFilters([], [Event.CONFIGURATION_CHANGED]);
+        await base.OnInitializedAsync();
+        await this.CheckAsync();
+    }
+
+    /// <inheritdoc />
+    protected override async Task ProcessIncomingMessage<T>(ComponentBase? sendingComponent, Event triggeredEvent, T? data) where T : default
+    {
+        if (triggeredEvent is Event.CONFIGURATION_CHANGED)
+        {
+            // The person may switch the prompt overrides on or off in the options of the lab while the page is open:
+            await this.CheckAsync();
+            this.StateHasChanged();
+        }
+
+        await base.ProcessIncomingMessage(sendingComponent, triggeredEvent, data);
+    }
+
+    /// <summary>
+    /// Checks whether files in the test folder replace prompts of the lab.
+    /// </summary>
+    private async Task CheckAsync()
+    {
+        try
+        {
+            this.usesPromptOverrides = await this.ConversationService.UsesPromptOverridesAsync();
+        }
+        catch (Exception exception) when (exception is IOException or UnauthorizedAccessException)
+        {
+            // Sending reports a problem with the prompts; the notice only stays hidden:
+            this.Logger.LogDebug(exception, "Could not check the test folder of the BeyondFacts Lab.");
+            this.usesPromptOverrides = false;
+        }
+    }
+}