xmltv category improvements (#604)

CHANGELOG.md

@@ -4,6 +4,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
+### Added
+- Include `Series` category tag for all episodes in XMLTV
+- Include movie, episode (show) genres as `category` tags in XMLTV
 
 ## [0.4.0-alpha] - 2022-01-29
 ### Fixed

ErsatzTV.Core/Iptv/ChannelGuide.cs

@@ -9,7 +9,6 @@ using ErsatzTV.Core.Domain.Filler;
 using ErsatzTV.Core.Emby;
 using ErsatzTV.Core.Jellyfin;
 using LanguageExt;
-using LanguageExt.UnsafeValueAccess;
 using Serilog;
 using static LanguageExt.Prelude;
 
@@ -158,15 +157,20 @@ namespace ErsatzTV.Core.Iptv
                                 xml.WriteString(metadata.Year.Value.ToString());
                                 xml.WriteEndElement(); // date
                             }
-                        }
 
                             xml.WriteStartElement("category");
                             xml.WriteAttributeString("lang", "en");
                             xml.WriteString("Movie");
                             xml.WriteEndElement(); // category
 
-                        foreach (MovieMetadata metadata in movie.MovieMetadata.HeadOrNone())
+                            foreach (Genre genre in Optional(metadata.Genres).Flatten())
                             {
+                                xml.WriteStartElement("category");
+                                xml.WriteAttributeString("lang", "en");
+                                xml.WriteString(genre.Name);
+                                xml.WriteEndElement(); // category
+                            }
+
                             string poster = Optional(metadata.Artwork).Flatten()
                                 .Filter(a => a.ArtworkKind == ArtworkKind.Poster)
                                 .HeadOrNone()
@@ -241,9 +245,21 @@ namespace ErsatzTV.Core.Iptv
                     {
                         Option<ShowMetadata> maybeMetadata =
                             Optional(episode.Season?.Show?.ShowMetadata.HeadOrNone()).Flatten();
-                        if (maybeMetadata.IsSome)
+                        foreach (ShowMetadata metadata in maybeMetadata)
                         {
-                            ShowMetadata metadata = maybeMetadata.ValueUnsafe();
+                            xml.WriteStartElement("category");
+                            xml.WriteAttributeString("lang", "en");
+                            xml.WriteString("Series");
+                            xml.WriteEndElement(); // category
+                            
+                            foreach (Genre genre in Optional(metadata.Genres).Flatten())
+                            {
+                                xml.WriteStartElement("category");
+                                xml.WriteAttributeString("lang", "en");
+                                xml.WriteString(genre.Name);
+                                xml.WriteEndElement(); // category
+                            }
+
                             string artwork = Optional(metadata.Artwork).Flatten()
                                 .Filter(a => a.ArtworkKind == ArtworkKind.Thumbnail)
                                 .HeadOrNone()

ErsatzTV.Infrastructure/Data/Repositories/ChannelRepository.cs

@@ -70,11 +70,23 @@ namespace ErsatzTV.Infrastructure.Data.Repositories
                 .Include(c => c.Playouts)
                 .ThenInclude(p => p.Items)
                 .ThenInclude(i => i.MediaItem)
+                .ThenInclude(i => (i as Episode).Season)
+                .ThenInclude(s => s.Show)
+                .ThenInclude(s => s.ShowMetadata)
+                .ThenInclude(em => em.Genres)
+                .Include(c => c.Playouts)
+                .ThenInclude(p => p.Items)
+                .ThenInclude(i => i.MediaItem)
                 .ThenInclude(i => (i as Movie).MovieMetadata)
                 .ThenInclude(mm => mm.Artwork)
                 .Include(c => c.Playouts)
                 .ThenInclude(p => p.Items)
                 .ThenInclude(i => i.MediaItem)
+                .ThenInclude(i => (i as Movie).MovieMetadata)
+                .ThenInclude(mm => mm.Genres)
+                .Include(c => c.Playouts)
+                .ThenInclude(p => p.Items)
+                .ThenInclude(i => i.MediaItem)
                 .ThenInclude(i => (i as MusicVideo).MusicVideoMetadata)
                 .ThenInclude(mm => mm.Artwork)
                 .Include(c => c.Playouts)