Added detailed plugin information to the plugins page (#1013)

Co-authored-by: Thorsten Sommer <SommerEngineering@users.noreply.github.com>

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

@@ -0,0 +1,70 @@
+using AIStudio.Components;
+using AIStudio.Tools.PluginSystem;
+
+using Microsoft.AspNetCore.Components;
+
+namespace AIStudio.Dialogs;
+
+/// <summary>
+/// Shows the details of a plugin on the plugins page: what its authors state about it, and whether an
+/// organization manages it.
+/// </summary>
+/// <remarks>
+/// The plugins page lists only the name, the version, and the description of a plugin. Everything else
+/// a plugin states, such as its authors or where to get support, would otherwise only be found in its
+/// code.
+/// </remarks>
+public partial class PluginInfoDialog : MSGComponentBase
+{
+    [CascadingParameter]
+    private IMudDialogInstance MudDialog { get; set; } = null!;
+
+    /// <summary>
+    /// The plugin to show. The metadata alone would not do, because only an available plugin knows
+    /// whether an organization manages it.
+    /// </summary>
+    [Parameter]
+    public IAvailablePlugin Plugin { get; set; } = null!;
+
+    private string TypeText => this.Plugin.Type.GetName();
+
+    private string AuthorsText => this.Plugin.Authors.Length > 0 ? string.Join(", ", this.Plugin.Authors) : this.T("No authors specified");
+
+    private string CategoriesText => this.Plugin.Categories.Length > 0 ? string.Join(", ", this.Plugin.Categories.Select(category => category.GetName())) : this.T("No categories specified");
+
+    private string TargetGroupsText => this.Plugin.TargetGroups.Length > 0 ? string.Join(", ", this.Plugin.TargetGroups.Select(targetGroup => targetGroup.Name())) : this.T("No target groups specified");
+
+    /// <summary>
+    /// The plugin states the time in UTC; the user reads it in their own time zone.
+    /// </summary>
+    private string LastChangedText => this.Plugin.LastChanged?.ToLocalTime().ToString("g", I18N.I.Culture) ?? this.T("Not specified");
+
+    private string SupportContactText => this.GetLinkText(this.Plugin.SupportContact);
+
+    private string SourceText => this.GetLinkText(this.Plugin.SourceURL);
+
+    /// <summary>
+    /// The field SOURCE_URL holds a website, such as a repository or a wiki, or a mail address. The
+    /// label and the icon of its row name which of both it is, since "source" would fit neither a wiki
+    /// nor a mail address.
+    /// </summary>
+    private bool IsSourceAMail => PluginLinks.TryParse(this.Plugin.SourceURL, out var link) && PluginLinks.IsMail(link);
+
+    private string SourceLabel => this.IsSourceAMail ? this.T("Email contact") : this.T("Related link");
+
+    private string SourceIcon => this.IsSourceAMail ? Icons.Material.Filled.ContactMail : Icons.Material.Filled.Link;
+
+    /// <summary>
+    /// Shows a link the way the user recognizes it: a mail address without its scheme, and a placeholder
+    /// of the Assistant Builder as not stated. A text which is no link stays as it is.
+    /// </summary>
+    private string GetLinkText(string text)
+    {
+        if (PluginLinks.IsPlaceholder(text))
+            return this.T("Not specified");
+
+        return PluginLinks.TryParse(text, out var link) ? PluginLinks.GetDisplayText(link) : text;
+    }
+
+    private void Close() => this.MudDialog.Close();
+}