OPDS Performance Enhancements (#4332)

Co-authored-by: Amelia <77553571+Fesaa@users.noreply.github.com>

API/Data/Repositories/UserRepository.cs

@@ -126,7 +126,6 @@ public interface IUserRepository
     /// <param name="includes"></param>
     /// <returns></returns>
     Task<AppUser?> GetByOidcId(string? oidcId, AppUserIncludes includes = AppUserIncludes.None);
-
     Task<AnnotationDto?> GetAnnotationDtoById(int userId, int annotationId);
     Task<List<AnnotationDto>> GetAnnotationDtosBySeries(int userId, int seriesId);
     Task UpdateUserAsActive(int userId);
@@ -139,6 +138,7 @@ public interface IUserRepository
     Task<DateTime?> GetAuthKeyExpiration(string authKey, int userId);
     Task<AppUserSocialPreferences> GetSocialPreferencesForUser(int userId);
     Task<AppUserPreferences> GetPreferencesForUser(int userId);
+    Task<AppUserOpdsPreferences> GetOpdsPreferences(int userId);
 }
 
 public class UserRepository : IUserRepository
@@ -1127,4 +1127,18 @@ public class UserRepository : IUserRepository
             .Where(p => p.AppUserId == userId)
             .FirstAsync();
     }
+
+    /// <summary>
+    /// No Tracking
+    /// </summary>
+    /// <param name="userId"></param>
+    /// <returns></returns>
+    public async Task<AppUserOpdsPreferences> GetOpdsPreferences(int userId)
+    {
+        return await _context.AppUserPreferences
+            .Where(p => p.AppUserId == userId)
+            .Select(p => p.OpdsPreferences)
+            .AsNoTracking()
+            .FirstAsync();
+    }
 }