Services here, too!

Glamourer/Services/BackupService.cs

@@ -0,0 +1,30 @@
+using System.Collections.Generic;
+using System.IO;
+using OtterGui.Classes;
+using OtterGui.Log;
+
+namespace Glamourer.Services;
+
+public class BackupService
+{
+    public BackupService(Logger logger, FilenameService fileNames)
+    {
+        var files = GlamourerFiles(fileNames);
+        Backup.CreateBackup(logger, new DirectoryInfo(fileNames.ConfigDirectory), files);
+    }
+
+    /// <summary> Collect all relevant files for glamourer configuration. </summary>
+    private static IReadOnlyList<FileInfo> GlamourerFiles(FilenameService fileNames)
+    {
+        var list = new List<FileInfo>(16)
+        {
+            new(fileNames.ConfigFile),
+            new(fileNames.DesignFileSystem),
+            new(fileNames.MigrationDesignFile),
+        };
+
+        list.AddRange(fileNames.Designs());
+
+        return list;
+    }
+}