optimize database calls related to search index (#2645)

2025-11-13 13:27:37 -06:00
parent b6d509b9cd
commit d88e721d2f
32 changed files with 837 additions and 729 deletions
@@ -0,0 +1,48 @@
+using ErsatzTV.Core.Interfaces.Metadata;
+
+namespace ErsatzTV.Core.Metadata;
+
+public class LanguageCodeService(ILanguageCodeCache languageCodeCache) : ILanguageCodeService
+{
+    public List<string> GetAllLanguageCodes(string mediaCode)
+    {
+        if (string.IsNullOrWhiteSpace(mediaCode))
+        {
+            return [];
+        }
+
+        string code = mediaCode.ToLowerInvariant();
+
+        if (languageCodeCache.CodeToGroupLookup.TryGetValue(code, out string[] group))
+        {
+            return group.ToList();
+        }
+
+        return [];
+    }
+
+    public List<string> GetAllLanguageCodes(List<string> mediaCodes)
+    {
+        var validCodes = mediaCodes
+            .Where(c => !string.IsNullOrWhiteSpace(c))
+            .Select(c => c.ToLowerInvariant())
+            .ToHashSet();
+
+        if (validCodes.Count == 0)
+        {
+            return [];
+        }
+
+        var result = new System.Collections.Generic.HashSet<string>(validCodes);
+
+        foreach (string code in validCodes)
+        {
+            if (languageCodeCache.CodeToGroupLookup.TryGetValue(code, out string[] group))
+            {
+                result.UnionWith(group);
+            }
+        }
+
+        return result.ToList();
+    }
+}