1 files changed, 101 insertions, 0 deletions
diff --git a/Emby.Server.Implementations/Library/PathManager.cs b/Emby.Server.Implementations/Library/PathManager.cs
new file mode 100644
index 000000000..a9b7a1274
--- /dev/null
+++ b/Emby.Server.Implementations/Library/PathManager.cs
@@ -0,0 +1,101 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Controller.Configuration;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.IO;
+
+namespace Emby.Server.Implementations.Library;
+
+/// <summary>
+/// IPathManager implementation.
+/// </summary>
+public class PathManager : IPathManager
+{
+    private readonly IServerConfigurationManager _config;
+    private readonly IApplicationPaths _appPaths;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="PathManager"/> class.
+    /// </summary>
+    /// <param name="config">The server configuration manager.</param>
+    /// <param name="appPaths">The application paths.</param>
+    public PathManager(
+        IServerConfigurationManager config,
+        IApplicationPaths appPaths)
+    {
+        _config = config;
+        _appPaths = appPaths;
+    }
+
+    private string SubtitleCachePath => Path.Combine(_appPaths.DataPath, "subtitles");
+
+    private string AttachmentCachePath => Path.Combine(_appPaths.DataPath, "attachments");
+
+    /// <inheritdoc />
+    public string GetAttachmentPath(string mediaSourceId, string fileName)
+    {
+        return Path.Combine(GetAttachmentFolderPath(mediaSourceId), fileName);
+    }
+
+    /// <inheritdoc />
+    public string GetAttachmentFolderPath(string mediaSourceId)
+    {
+        var id = Guid.Parse(mediaSourceId).ToString("D", CultureInfo.InvariantCulture).AsSpan();
+
+        return Path.Join(AttachmentCachePath, id[..2], id);
+    }
+
+    /// <inheritdoc />
+    public string GetSubtitleFolderPath(string mediaSourceId)
+    {
+        var id = Guid.Parse(mediaSourceId).ToString("D", CultureInfo.InvariantCulture).AsSpan();
+
+        return Path.Join(SubtitleCachePath, id[..2], id);
+    }
+
+    /// <inheritdoc />
+    public string GetSubtitlePath(string mediaSourceId, int streamIndex, string extension)
+    {
+        return Path.Combine(GetSubtitleFolderPath(mediaSourceId), streamIndex.ToString(CultureInfo.InvariantCulture) + extension);
+    }
+
+    /// <inheritdoc />
+    public string GetTrickplayDirectory(BaseItem item, bool saveWithMedia = false)
+    {
+        var id = item.Id.ToString("D", CultureInfo.InvariantCulture).AsSpan();
+
+        return saveWithMedia
+            ? Path.Combine(item.ContainingFolderPath, Path.ChangeExtension(Path.GetFileName(item.Path), ".trickplay"))
+            : Path.Join(_config.ApplicationPaths.TrickplayPath, id[..2], id);
+    }
+
+    /// <inheritdoc/>
+    public string GetChapterImageFolderPath(BaseItem item)
+    {
+        return Path.Combine(item.GetInternalMetadataPath(), "chapters");
+    }
+
+    /// <inheritdoc/>
+    public string GetChapterImagePath(BaseItem item, long chapterPositionTicks)
+    {
+        var filename = item.DateModified.Ticks.ToString(CultureInfo.InvariantCulture) + "_" + chapterPositionTicks.ToString(CultureInfo.InvariantCulture) + ".jpg";
+
+        return Path.Combine(GetChapterImageFolderPath(item), filename);
+    }
+
+    /// <inheritdoc/>
+    public IReadOnlyList<string> GetExtractedDataPaths(BaseItem item)
+    {
+        var mediaSourceId = item.Id.ToString("N", CultureInfo.InvariantCulture);
+        return [
+            GetAttachmentFolderPath(mediaSourceId),
+            GetSubtitleFolderPath(mediaSourceId),
+            GetTrickplayDirectory(item, false),
+            GetTrickplayDirectory(item, true),
+            GetChapterImageFolderPath(item)
+        ];
+    }
+}