Use IHostedService for NFO user data

1 files changed, 87 insertions, 0 deletions

diff --git a/MediaBrowser.XbmcMetadata/NfoUserDataSaver.cs b/MediaBrowser.XbmcMetadata/NfoUserDataSaver.cs
new file mode 100644
index 000000000..b2882194d
--- /dev/null
+++ b/MediaBrowser.XbmcMetadata/NfoUserDataSaver.cs
@@ -0,0 +1,87 @@
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.XbmcMetadata.Configuration;
+using MediaBrowser.XbmcMetadata.Savers;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+
+namespace MediaBrowser.XbmcMetadata;
+
+/// <summary>
+/// <see cref="IHostedService"/> responsible for updating NFO files' user data.
+/// </summary>
+public sealed class NfoUserDataSaver : IHostedService
+{
+    private readonly ILogger<NfoUserDataSaver> _logger;
+    private readonly IConfigurationManager _config;
+    private readonly IUserDataManager _userDataManager;
+    private readonly IProviderManager _providerManager;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="NfoUserDataSaver"/> class.
+    /// </summary>
+    /// <param name="logger">The <see cref="ILogger"/>.</param>
+    /// <param name="config">The <see cref="IConfigurationManager"/>.</param>
+    /// <param name="userDataManager">The <see cref="IUserDataManager"/>.</param>
+    /// <param name="providerManager">The <see cref="IProviderManager"/>.</param>
+    public NfoUserDataSaver(
+        ILogger<NfoUserDataSaver> logger,
+        IConfigurationManager config,
+        IUserDataManager userDataManager,
+        IProviderManager providerManager)
+    {
+        _logger = logger;
+        _config = config;
+        _userDataManager = userDataManager;
+        _providerManager = providerManager;
+    }
+
+    /// <inheritdoc />
+    public Task StartAsync(CancellationToken cancellationToken)
+    {
+        _userDataManager.UserDataSaved += OnUserDataSaved;
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public Task StopAsync(CancellationToken cancellationToken)
+    {
+        _userDataManager.UserDataSaved -= OnUserDataSaved;
+        return Task.CompletedTask;
+    }
+
+    private async void OnUserDataSaved(object? sender, UserDataSaveEventArgs e)
+    {
+        if (e.SaveReason is not (UserDataSaveReason.PlaybackFinished
+            or UserDataSaveReason.TogglePlayed or UserDataSaveReason.UpdateUserRating))
+        {
+            return;
+        }
+
+        if (string.IsNullOrWhiteSpace(_config.GetNfoConfiguration().UserId))
+        {
+            return;
+        }
+
+        var item = e.Item;
+        if (!item.IsFileProtocol || !item.SupportsLocalMetadata)
+        {
+            return;
+        }
+
+        try
+        {
+            await _providerManager.SaveMetadataAsync(item, ItemUpdateType.MetadataDownload, [BaseNfoSaver.SaverName])
+                .ConfigureAwait(false);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Error saving metadata for {Path}", item.Path ?? item.Name);
+        }
+    }
+}