add generate modlist feature

ModpackUpdater.Apps.Manager/Features/Tools/GenerateModlistFeature.cs

@@ -0,0 +1,40 @@
+using ModpackUpdater.Apps.Manager.Api.Plugins.Params;
+using ModpackUpdater.Apps.Manager.LangRes;
+using OfficeOpenXml;
+using Pilz.Plugins.Advanced;
+using Telerik.WinControls;
+using Telerik.WinControls.UI;
+
+namespace ModpackUpdater.Apps.Manager.Features.Tools;
+internal class GenerateModlistFeature : PluginFunction, IPluginFeatureProvider<GenerateModlistFeature>
+{
+    public static GenerateModlistFeature Instance { get; } = new();
+
+    public GenerateModlistFeature() : base(FeatureTypes.Tools, "origin.genmodlist", FeatureNamesLangRes.GenerateModlistFeature)
+    {
+        Icon = AppGlobals.Symbols.GetSvgImage(AppSymbols.list_view, Pilz.UI.Symbols.SymbolSize.Small);
+    }
+
+    protected override object? ExecuteFunction(PluginFunctionParameter? @params)
+    {
+        if (@params is not MainApiParameters p || p.Api.CurWorkspace?.InstallInfos is null || p.Api.CurWorkspace?.InstallInfos is null)
+            return null;
+
+        using var pkg = SharedFunctions.GenerateModlist(p.Api.CurWorkspace.InstallInfos);
+        if (pkg is null)
+            return null;
+
+        using var sfd = new RadSaveFileDialog
+        {
+            Filter = "*.xlsx|*.xlsx|*|*"
+        };
+
+        if (sfd.ShowDialog(p.Api.MainWindow) == DialogResult.OK)
+        {
+            pkg.SaveAs(sfd.FileName);
+            RadMessageBox.Show(p.Api.MainWindow, MsgBoxLangRes., MsgBoxLangRes., MessageBoxButtons.OK, RadMessageIcon.Info);
+        }
+
+        return null;
+    }
+}