render channels page

MediaBrowser.Api/UserLibrary/ItemsService.cs

@@ -1012,21 +1012,7 @@ namespace MediaBrowser.Api.UserLibrary
 
             if (request.AiredDuringSeason.HasValue)
             {
-                var val = request.AiredDuringSeason.Value;
-
-                items = items.Where(i =>
-                {
-                    var episode = i as Episode;
-
-                    if (episode != null)
-                    {
-                        var seasonNumber = episode.AirsAfterSeasonNumber ?? episode.AirsBeforeSeasonNumber ?? episode.ParentIndexNumber;
-
-                        return episode.PremiereDate.HasValue && seasonNumber.HasValue && seasonNumber.Value == val;
-                    }
-
-                    return false;
-                });
+                items = FilterByAiredDuringSeason(items, request.AiredDuringSeason.Value);
             }
 
             if (!string.IsNullOrEmpty(request.MinPremiereDate))
@@ -1046,6 +1032,43 @@ namespace MediaBrowser.Api.UserLibrary
             return items;
         }
 
+        private IEnumerable<BaseItem> FilterByAiredDuringSeason(IEnumerable<BaseItem> items, int seasonNumber)
+        {
+            var episodes = items.OfType<Episode>().ToList();
+
+            // We can only enforce the air date requirement if the episodes have air dates
+            var enforceAirDate = episodes.Any(i => i.PremiereDate.HasValue);
+
+            return episodes.Where(i =>
+            {
+                var episode = i;
+
+                if (episode != null)
+                {
+                    var currentSeasonNumber = episode.AirsAfterSeasonNumber ?? episode.AirsBeforeSeasonNumber ?? episode.ParentIndexNumber;
+
+                    // If this produced nothing, try and get it from the parent folder
+                    if (!currentSeasonNumber.HasValue)
+                    {
+                        var season = episode.Parent as Season;
+                        if (season != null)
+                        {
+                            currentSeasonNumber = season.IndexNumber;
+                        }
+                    }
+
+                    if (enforceAirDate && !episode.PremiereDate.HasValue)
+                    {
+                        return false;
+                    }
+
+                    return currentSeasonNumber.HasValue && currentSeasonNumber.Value == seasonNumber;
+                }
+
+                return false;
+            });
+        }
+
         /// <summary>
         /// Determines whether the specified item has image.
         /// </summary>

MediaBrowser.Server.Implementations/Sorting/AiredEpisodeOrderComparer.cs

@@ -1,8 +1,8 @@
-using System;
-using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Entities.TV;
 using MediaBrowser.Controller.Sorting;
 using MediaBrowser.Model.Querying;
+using System;
 
 namespace MediaBrowser.Server.Implementations.Sorting
 {
@@ -16,11 +16,14 @@ namespace MediaBrowser.Server.Implementations.Sorting
         /// <returns>System.Int32.</returns>
         public int Compare(BaseItem x, BaseItem y)
         {
-            var val = DateTime.Compare(x.PremiereDate ?? DateTime.MinValue, y.PremiereDate ?? DateTime.MinValue);
-
-            if (val != 0)
+            if (x.PremiereDate.HasValue && y.PremiereDate.HasValue)
             {
-                return val;
+                var val = DateTime.Compare(x.PremiereDate.Value, y.PremiereDate.Value);
+
+                if (val != 0)
+                {
+                    return val;
+                }
             }
 
             var episode1 = x as Episode;