Improved local plugin handling (share, import, delete) (#900)

app/MindWork AI Studio/Dialogs/ConfigurationPluginDeleteDialog.razor.cs

@@ -0,0 +1,69 @@
+using AIStudio.Components;
+using AIStudio.Tools.Services;
+
+using Microsoft.AspNetCore.Components;
+
+namespace AIStudio.Dialogs;
+
+/// <summary>
+/// Asks the user whether a local configuration plugin may be deleted, and shows what the deletion
+/// takes with it.
+/// </summary>
+public partial class ConfigurationPluginDeleteDialog : MSGComponentBase
+{
+    [CascadingParameter]
+    private IMudDialogInstance MudDialog { get; set; } = null!;
+
+    /// <summary>
+    /// The name of the configuration plugin about to be deleted.
+    /// </summary>
+    [Parameter]
+    public string PluginName { get; set; } = string.Empty;
+
+    /// <summary>
+    /// What the deletion removes besides the plugin directory.
+    /// </summary>
+    [Parameter]
+    public ConfigurationPluginDeleteSummary Summary { get; set; } = ConfigurationPluginDeleteSummary.EMPTY;
+
+    private List<string> Consequences => this.BuildConsequences();
+
+    /// <summary>
+    /// Turns the summary into the lines shown to the user. Only what is actually affected is listed,
+    /// so the dialog stays short for a configuration plugin that just locks a single setting.
+    /// </summary>
+    private List<string> BuildConsequences()
+    {
+        var consequences = new List<string>();
+        var summary = this.Summary;
+
+        Add(summary.LlmProviders, this.T("{0} LLM provider"), this.T("{0} LLM providers"));
+        Add(summary.TranscriptionProviders, this.T("{0} transcription provider"), this.T("{0} transcription providers"));
+        Add(summary.EmbeddingProviders, this.T("{0} embedding provider"), this.T("{0} embedding providers"));
+        Add(summary.ChatTemplates, this.T("{0} chat template"), this.T("{0} chat templates"));
+        Add(summary.Profiles, this.T("{0} profile"), this.T("{0} profiles"));
+        Add(summary.DocumentAnalysisPolicies, this.T("{0} document analysis policy"), this.T("{0} document analysis policies"));
+        Add(summary.MandatoryInfos, this.T("{0} mandatory information"), this.T("{0} mandatory informations"));
+        Add(summary.Introductions, this.T("{0} introduction on the welcome page"), this.T("{0} introductions on the welcome page"));
+
+        // Data sources are called out separately: removing them also deletes their credentials from
+        // the operating system's keychain, which the user cannot undo by reinstalling the plugin.
+        Add(summary.DataSources,
+            this.T("{0} data source, including its credentials in your operating system's keychain"),
+            this.T("{0} data sources, including their credentials in your operating system's keychain"));
+
+        Add(summary.LockedSettings, this.T("{0} setting returns to its default value"), this.T("{0} settings return to their default values"));
+
+        return consequences;
+
+        void Add(int count, string singular, string plural)
+        {
+            if (count > 0)
+                consequences.Add(string.Format(count == 1 ? singular : plural, count));
+        }
+    }
+
+    private void Cancel() => this.MudDialog.Cancel();
+
+    private void Confirm() => this.MudDialog.Close(DialogResult.Ok(true));
+}