From 6f49782b7b77bd5f5f0fae1ec74f6454729303df Mon Sep 17 00:00:00 2001
From: evan314159 <110177090+evan314159@users.noreply.github.com>
Date: Mon, 28 Jul 2025 10:08:06 +0800
Subject: fix file modification date comparisons (#14503)

---
 MediaBrowser.Providers/Manager/MetadataService.cs         | 8 +++-----
 MediaBrowser.Providers/MediaInfo/ProbeProvider.cs         | 2 +-
 MediaBrowser.Providers/Playlists/PlaylistItemsProvider.cs | 2 +-
 MediaBrowser.Providers/Trickplay/TrickplayProvider.cs     | 2 +-
 4 files changed, 6 insertions(+), 8 deletions(-)

(limited to 'MediaBrowser.Providers')

diff --git a/MediaBrowser.Providers/Manager/MetadataService.cs b/MediaBrowser.Providers/Manager/MetadataService.cs
index 5c855328b8..0f2188aa8a 100644
--- a/MediaBrowser.Providers/Manager/MetadataService.cs
+++ b/MediaBrowser.Providers/Manager/MetadataService.cs
@@ -332,13 +332,11 @@ namespace MediaBrowser.Providers.Manager
             if (!string.IsNullOrEmpty(itemPath))
             {
                 var info = FileSystem.GetFileSystemInfo(itemPath);
-                var modificationDate = info.LastWriteTimeUtc;
-                var itemLastModifiedFileSystem = item.DateModified;
-                if (info.Exists && itemLastModifiedFileSystem != modificationDate)
+                if (info.Exists && item.HasChanged(info.LastWriteTimeUtc))
                 {
-                    Logger.LogDebug("File modification time changed from {Then} to {Now}: {Path}", itemLastModifiedFileSystem, modificationDate, itemPath);
+                    Logger.LogDebug("File modification time changed from {Then} to {Now}: {Path}", item.DateModified, info.LastWriteTimeUtc, itemPath);
 
-                    item.DateModified = modificationDate;
+                    item.DateModified = info.LastWriteTimeUtc;
                     if (ServerConfigurationManager.GetMetadataConfiguration().UseFileCreationTimeForDateAdded)
                     {
                         item.DateCreated = info.CreationTimeUtc;
diff --git a/MediaBrowser.Providers/MediaInfo/ProbeProvider.cs b/MediaBrowser.Providers/MediaInfo/ProbeProvider.cs
index 8c673350da..bd6b364586 100644
--- a/MediaBrowser.Providers/MediaInfo/ProbeProvider.cs
+++ b/MediaBrowser.Providers/MediaInfo/ProbeProvider.cs
@@ -130,7 +130,7 @@ namespace MediaBrowser.Providers.MediaInfo
                 if (!string.IsNullOrWhiteSpace(path) && item.IsFileProtocol)
                 {
                     var file = directoryService.GetFile(path);
-                    if (file is not null && file.LastWriteTimeUtc != item.DateModified && file.Length != item.Size)
+                    if (file is not null && item.HasChanged(file.LastWriteTimeUtc) && file.Length != item.Size)
                     {
                         _logger.LogDebug("Refreshing {ItemPath} due to file system modification.", path);
                         return true;
diff --git a/MediaBrowser.Providers/Playlists/PlaylistItemsProvider.cs b/MediaBrowser.Providers/Playlists/PlaylistItemsProvider.cs
index a986b0b699..4c10fe3f1a 100644
--- a/MediaBrowser.Providers/Playlists/PlaylistItemsProvider.cs
+++ b/MediaBrowser.Providers/Playlists/PlaylistItemsProvider.cs
@@ -215,7 +215,7 @@ public class PlaylistItemsProvider : ILocalMetadataProvider<Playlist>,
         if (!string.IsNullOrWhiteSpace(path) && item.IsFileProtocol)
         {
             var file = directoryService.GetFile(path);
-            if (file is not null && file.LastWriteTimeUtc != item.DateModified)
+            if (file is not null && item.HasChanged(file.LastWriteTimeUtc))
             {
                 _logger.LogDebug("Refreshing {Path} due to date modified timestamp change.", path);
                 return true;
diff --git a/MediaBrowser.Providers/Trickplay/TrickplayProvider.cs b/MediaBrowser.Providers/Trickplay/TrickplayProvider.cs
index 768e4617b9..926a962e28 100644
--- a/MediaBrowser.Providers/Trickplay/TrickplayProvider.cs
+++ b/MediaBrowser.Providers/Trickplay/TrickplayProvider.cs
@@ -56,7 +56,7 @@ public class TrickplayProvider : ICustomMetadataProvider<Episode>,
         if (item.IsFileProtocol)
         {
             var file = directoryService.GetFile(item.Path);
-            if (file is not null && item.DateModified != file.LastWriteTimeUtc)
+            if (file is not null && item.HasChanged(file.LastWriteTimeUtc))
             {
                 return true;
             }
-- 
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