From 6d333e94f8388a16aa6f0a78777659e81a8a26dd Mon Sep 17 00:00:00 2001
From: InspectorIT <sshipunovv008@gmail.com>
Date: Fri, 27 Mar 2026 22:49:44 +0300
Subject: [PATCH] add Save method

---
 src/KeyKeeper/Services/RecentFilesService.cs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/KeyKeeper/Services/RecentFilesService.cs b/src/KeyKeeper/Services/RecentFilesService.cs
index 5b253db..183d0b2 100644
--- a/src/KeyKeeper/Services/RecentFilesService.cs
+++ b/src/KeyKeeper/Services/RecentFilesService.cs
@@ -11,6 +11,7 @@ namespace KeyKeeper.Services;
 internal class RecentFilesService : IRecentFilesService
 {
     private const string RecentFilesFilename = "recent-files.json";
+    private static readonly JsonSerializerOptions jsonOptions = new() { WriteIndented = true };
 
     // files are stored in reverse chronological order
     public ObservableCollection<RecentFile> RecentFiles { get; }
@@ -53,6 +54,18 @@ internal class RecentFilesService : IRecentFilesService
         }
     }
 
+    public void Save()
+    {
+        var directory = Path.GetDirectoryName(recentFilesPath);
+        if (!string.IsNullOrEmpty(directory))
+        {
+            Directory.CreateDirectory(directory);
+        }
+
+        var payload = JsonSerializer.Serialize(RecentFiles, jsonOptions);
+        File.WriteAllText(recentFilesPath, payload);
+    }
+
     public void Remember(string filename)
     {
         RemoveIfExists(filename);