Updated Data Context

Added code to track changes that are made to the database.

FreeTubeSync/Database/DataContext.cs

@@ -18,6 +18,53 @@ public class DataContext : DbContext
         modelBuilder.Entity<Playlist>()
             .Navigation(e => e.videos).AutoInclude();
     }
+
+    public override int SaveChanges()
+    {
+        TrackChanges();
+        return base.SaveChanges();
+    }
+
+    public override async Task<int> SaveChangesAsync(CancellationToken ct = default)
+    {
+        TrackChanges();
+        return await base.SaveChangesAsync(ct);
+    }
+
+    private void TrackChanges()
+    {
+        var changedEntries = ChangeTracker.Entries()
+            .Where(e => e.State == EntityState.Added ||
+                        e.State == EntityState.Modified ||
+                        e.State == EntityState.Deleted)
+            .ToList();
+
+        foreach (var entry in changedEntries)
+        {
+            var log = new ChangeLog
+            {
+                TableName = entry.Metadata.GetTableName() ?? entry.Entity.GetType().Name,
+                ChangeType = entry.State.ToString(),
+                ChangeTime = DateTime.UtcNow
+            };
+
+            ChangeLogs.Add(log);
+        }
+    }
+
+    public ChangeLog? GetLatestChange()
+    {
+        return ChangeLogs
+            .OrderByDescending(cl => cl.ChangeTime)
+            .FirstOrDefault();
+    }
+
+    public async Task<ChangeLog?> GetLatestChangeAsync(CancellationToken ct = default)
+    {
+        return await ChangeLogs
+            .OrderByDescending(cl => cl.ChangeTime)
+            .FirstOrDefaultAsync(ct);
+    }
     
     public DbSet<History> Histories { get; set; }
     public DbSet<Playlist> Playlists { get; set; }