fix on-demand playouts having empty xmltv (#2589)

CHANGELOG.md

@@ -10,6 +10,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
   - Add `MediaItem_Resolution` template data (the current `Resolution` variable is the FFmpeg Profile resolution)
   - Add `MediaItem_Start` template data (DateTimeOffset)
   - Add `MediaItem_Stop` template data (DateTimeOffset)
+- Time shift on-demand playouts every hour to prevent XMLTV from appearing empty
 
 ### Fixed
 - Fix HLS Direct playback with Jellyfin 10.11

ErsatzTV/Services/SchedulerService.cs

@@ -213,12 +213,18 @@ public class SchedulerService : BackgroundService
             .Include(p => p.Channel)
             .ToListAsync(cancellationToken);
 
-        foreach (int playoutId in playouts.OrderBy(p => decimal.Parse(p.Channel.Number, CultureInfo.InvariantCulture))
-                     .Map(p => p.Id))
+        foreach (Playout playout in playouts.OrderBy(p => decimal.Parse(p.Channel.Number, CultureInfo.InvariantCulture)))
         {
             await _workerChannel.WriteAsync(
-                new BuildPlayout(playoutId, PlayoutBuildMode.Continue),
+                new BuildPlayout(playout.Id, PlayoutBuildMode.Continue),
                 cancellationToken);
+
+            if (playout.Channel.PlayoutMode is ChannelPlayoutMode.OnDemand)
+            {
+                await _workerChannel.WriteAsync(
+                    new TimeShiftOnDemandPlayout(playout.Id, DateTimeOffset.Now, false),
+                    cancellationToken);
+            }
         }
     }