1 files changed, 96 insertions, 0 deletions
diff --git a/src/Jellyfin.LiveTv/Recordings/RecordingNotifier.cs b/src/Jellyfin.LiveTv/Recordings/RecordingNotifier.cs
new file mode 100644
index 0000000000..e63afa6260
--- /dev/null
+++ b/src/Jellyfin.LiveTv/Recordings/RecordingNotifier.cs
@@ -0,0 +1,96 @@
+using System;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Jellyfin.Data.Enums;
+using Jellyfin.Data.Events;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.LiveTv;
+using MediaBrowser.Controller.Session;
+using MediaBrowser.Model.Session;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+
+namespace Jellyfin.LiveTv.Recordings
+{
+    /// <summary>
+    /// <see cref="IHostedService"/> responsible for notifying users when a LiveTV recording is completed.
+    /// </summary>
+    public sealed class RecordingNotifier : IHostedService
+    {
+        private readonly ILogger<RecordingNotifier> _logger;
+        private readonly ISessionManager _sessionManager;
+        private readonly IUserManager _userManager;
+        private readonly ILiveTvManager _liveTvManager;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="RecordingNotifier"/> class.
+        /// </summary>
+        /// <param name="logger">The <see cref="ILogger"/>.</param>
+        /// <param name="sessionManager">The <see cref="ISessionManager"/>.</param>
+        /// <param name="userManager">The <see cref="IUserManager"/>.</param>
+        /// <param name="liveTvManager">The <see cref="ILiveTvManager"/>.</param>
+        public RecordingNotifier(
+            ILogger<RecordingNotifier> logger,
+            ISessionManager sessionManager,
+            IUserManager userManager,
+            ILiveTvManager liveTvManager)
+        {
+            _logger = logger;
+            _sessionManager = sessionManager;
+            _userManager = userManager;
+            _liveTvManager = liveTvManager;
+        }
+
+        /// <inheritdoc />
+        public Task StartAsync(CancellationToken cancellationToken)
+        {
+            _liveTvManager.TimerCancelled += OnLiveTvManagerTimerCancelled;
+            _liveTvManager.SeriesTimerCancelled += OnLiveTvManagerSeriesTimerCancelled;
+            _liveTvManager.TimerCreated += OnLiveTvManagerTimerCreated;
+            _liveTvManager.SeriesTimerCreated += OnLiveTvManagerSeriesTimerCreated;
+
+            return Task.CompletedTask;
+        }
+
+        /// <inheritdoc />
+        public Task StopAsync(CancellationToken cancellationToken)
+        {
+            _liveTvManager.TimerCancelled -= OnLiveTvManagerTimerCancelled;
+            _liveTvManager.SeriesTimerCancelled -= OnLiveTvManagerSeriesTimerCancelled;
+            _liveTvManager.TimerCreated -= OnLiveTvManagerTimerCreated;
+            _liveTvManager.SeriesTimerCreated -= OnLiveTvManagerSeriesTimerCreated;
+
+            return Task.CompletedTask;
+        }
+
+        private async void OnLiveTvManagerSeriesTimerCreated(object? sender, GenericEventArgs<TimerEventInfo> e)
+            => await SendMessage(SessionMessageType.SeriesTimerCreated, e.Argument).ConfigureAwait(false);
+
+        private async void OnLiveTvManagerTimerCreated(object? sender, GenericEventArgs<TimerEventInfo> e)
+            => await SendMessage(SessionMessageType.TimerCreated, e.Argument).ConfigureAwait(false);
+
+        private async void OnLiveTvManagerSeriesTimerCancelled(object? sender, GenericEventArgs<TimerEventInfo> e)
+            => await SendMessage(SessionMessageType.SeriesTimerCancelled, e.Argument).ConfigureAwait(false);
+
+        private async void OnLiveTvManagerTimerCancelled(object? sender, GenericEventArgs<TimerEventInfo> e)
+            => await SendMessage(SessionMessageType.TimerCancelled, e.Argument).ConfigureAwait(false);
+
+        private async Task SendMessage(SessionMessageType name, TimerEventInfo info)
+        {
+            var users = _userManager.Users
+                .Where(i => i.HasPermission(PermissionKind.EnableLiveTvAccess))
+                .Select(i => i.Id)
+                .ToList();
+
+            try
+            {
+                await _sessionManager.SendMessageToUserSessions(users, name, info, CancellationToken.None).ConfigureAwait(false);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error sending message");
+            }
+        }
+    }
+}