add show_content_rating to search index (#1647)

CHANGELOG.md

@@ -5,7 +5,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
 ### Added
-- Add `show_studio` to search index for seasons and episodes
+- Add `show_studio` and `show_content_rating` to search index for seasons and episodes
 - Add two new global subtitle settings:
   - `Use embedded subtitles`
     - Default value: `true`

ErsatzTV.Infrastructure/Search/ElasticSearchIndex.cs

@@ -46,7 +46,7 @@ public class ElasticSearchIndex : ISearchIndex
         return exists.IsValidResponse;
     }
 
-    public int Version => 41;
+    public int Version => 42;
 
     public async Task<bool> Initialize(
         ILocalFileSystem localFileSystem,
@@ -162,7 +162,7 @@ public class ElasticSearchIndex : ISearchIndex
         var items = new List<MinimalElasticSearchItem>();
         var totalCount = 0;
 
-        Query parsedQuery = LuceneSearchIndex.ParseQuery(query);
+        Query parsedQuery = LuceneSearchIndex.ParseQuery(query, false);
 
         SearchResponse<MinimalElasticSearchItem> response = await _client.SearchAsync<MinimalElasticSearchItem>(
             s => s.Index(IndexName)
@@ -238,6 +238,7 @@ public class ElasticSearchIndex : ISearchIndex
                         .Text(t => t.ShowGenre, t => t.Store(false))
                         .Text(t => t.ShowTag, t => t.Store(false))
                         .Text(t => t.ShowStudio, t => t.Store(false))
+                        .Keyword(t => t.ShowContentRating, t => t.Store(false))
                         .Text(t => t.Style, t => t.Store(false))
                         .Text(t => t.Mood, t => t.Store(false))
                         .Text(t => t.Album, t => t.Store(false))
@@ -413,6 +414,7 @@ public class ElasticSearchIndex : ISearchIndex
                     ShowGenre = showMetadata.Genres.Map(g => g.Name).ToList(),
                     ShowTag = showMetadata.Tags.Map(t => t.Name).ToList(),
                     ShowStudio = showMetadata.Studios.Map(s => s.Name).ToList(),
+                    ShowContentRating = GetContentRatings(showMetadata.ContentRating),
                     Language = await GetLanguages(
                         searchRepository,
                         await searchRepository.GetLanguagesForSeason(season)),
@@ -614,6 +616,7 @@ public class ElasticSearchIndex : ISearchIndex
                     doc.ShowGenre = showMetadata.Genres.Map(g => g.Name).ToList();
                     doc.ShowTag = showMetadata.Tags.Map(t => t.Name).ToList();
                     doc.ShowStudio = showMetadata.Studios.Map(s => s.Name).ToList();
+                    doc.ShowContentRating = GetContentRatings(showMetadata.ContentRating);
                 }
 
                 AddStatistics(doc, episode.MediaVersions);

ErsatzTV.Infrastructure/Search/LuceneSearchIndex.cs

@@ -64,6 +64,7 @@ public sealed class LuceneSearchIndex : ISearchIndex
     internal const string ShowGenreField = "show_genre";
     internal const string ShowTagField = "show_tag";
     internal const string ShowStudioField = "show_studio";
+    internal const string ShowContentRatingField = "show_content_rating";
     internal const string MetadataKindField = "metadata_kind";
     internal const string VideoCodecField = "video_codec";
     internal const string VideoDynamicRange = "video_dynamic_range";
@@ -113,7 +114,7 @@ public sealed class LuceneSearchIndex : ISearchIndex
         return Task.FromResult(directoryExists && fileExists);
     }
 
-    public int Version => 41;
+    public int Version => 42;
 
     public async Task<bool> Initialize(
         ILocalFileSystem localFileSystem,
@@ -736,6 +737,15 @@ public sealed class LuceneSearchIndex : ISearchIndex
                     doc.Add(new TextField(ShowStudioField, studio.Name, Field.Store.NO));
                 }
                 
+                if (!string.IsNullOrWhiteSpace(showMetadata.ContentRating))
+                {
+                    foreach (string contentRating in (showMetadata.ContentRating ?? string.Empty).Split("/")
+                             .Map(x => x.Trim()).Where(x => !string.IsNullOrWhiteSpace(x)))
+                    {
+                        doc.Add(new StringField(ShowContentRatingField, contentRating, Field.Store.NO));
+                    }
+                }
+
                 List<string> languages = await searchRepository.GetLanguagesForSeason(season);
                 await AddLanguages(searchRepository, doc, languages);
 
@@ -1017,6 +1027,15 @@ public sealed class LuceneSearchIndex : ISearchIndex
                     {
                         doc.Add(new TextField(ShowStudioField, studio.Name, Field.Store.NO));
                     }
+                    
+                    if (!string.IsNullOrWhiteSpace(showMetadata.ContentRating))
+                    {
+                        foreach (string contentRating in (showMetadata.ContentRating ?? string.Empty).Split("/")
+                                 .Map(x => x.Trim()).Where(x => !string.IsNullOrWhiteSpace(x)))
+                        {
+                            doc.Add(new StringField(ShowContentRatingField, contentRating, Field.Store.NO));
+                        }
+                    }
                 }
                 
                 if (!string.IsNullOrWhiteSpace(metadata.Title))
@@ -1353,16 +1372,20 @@ public sealed class LuceneSearchIndex : ISearchIndex
         doc.Get(TypeField, CultureInfo.InvariantCulture),
         Convert.ToInt32(doc.Get(IdField, CultureInfo.InvariantCulture), CultureInfo.InvariantCulture));
 
-    internal static Query ParseQuery(string query)
+    internal static Query ParseQuery(string query, bool useCustomAnalyzers = true)
     {
         using var analyzer = new StandardAnalyzer(AppLuceneVersion);
-        var customAnalyzers = new Dictionary<string, Analyzer>
+        var customAnalyzers = new Dictionary<string, Analyzer>();
+
+        if (useCustomAnalyzers)
         {
-            { ContentRatingField, new KeywordAnalyzer() },
+            customAnalyzers.Add(ShowContentRatingField, new KeywordAnalyzer());
-            { StateField, new KeywordAnalyzer() }
+            customAnalyzers.Add(ContentRatingField, new KeywordAnalyzer());
-        };
+            customAnalyzers.Add(StateField, new KeywordAnalyzer());
+        }
+
         using var analyzerWrapper = new PerFieldAnalyzerWrapper(analyzer, customAnalyzers);
-        QueryParser parser = new CustomMultiFieldQueryParser(AppLuceneVersion, new[] { TitleField }, analyzerWrapper);
+        QueryParser parser = new CustomMultiFieldQueryParser(AppLuceneVersion, [TitleField], analyzerWrapper);
         parser.AllowLeadingWildcard = true;
         return ParseQuery(query, parser);
     }

ErsatzTV.Infrastructure/Search/Models/ElasticSearchItem.cs

@@ -118,6 +118,9 @@ public class ElasticSearchItem : MinimalElasticSearchItem
     [JsonPropertyName(LuceneSearchIndex.ShowStudioField)]
     public List<string> ShowStudio { get; set; }
     
+    [JsonPropertyName(LuceneSearchIndex.ShowContentRatingField)]
+    public List<string> ShowContentRating { get; set; }
+
     [JsonPropertyName(LuceneSearchIndex.StyleField)]
     public List<string> Style { get; set; }