fix merge

Jellyfin.Api/Controllers/ChannelsController.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
+using Jellyfin.Api.Extensions;
 using Jellyfin.Api.Helpers;
 using MediaBrowser.Controller.Channels;
 using MediaBrowser.Controller.Dto;
@@ -130,7 +131,8 @@ namespace Jellyfin.Api.Controllers
                 ChannelIds = new[] { channelId },
                 ParentId = folderId ?? Guid.Empty,
                 OrderBy = RequestHelpers.GetOrderBy(sortBy, sortOrder),
-                DtoOptions = new DtoOptions { Fields = RequestHelpers.GetItemFields(fields) }
+                DtoOptions = new DtoOptions()
+                    .AddItemFields(fields)
             };
 
             foreach (var filter in RequestHelpers.GetFilters(filters))
@@ -206,7 +208,8 @@ namespace Jellyfin.Api.Controllers
                     .Where(i => !string.IsNullOrWhiteSpace(i))
                     .Select(i => new Guid(i))
                     .ToArray(),
-                DtoOptions = new DtoOptions { Fields = RequestHelpers.GetItemFields(fields) }
+                DtoOptions = new DtoOptions()
+                    .AddItemFields(fields)
             };
 
             foreach (var filter in RequestHelpers.GetFilters(filters))

Jellyfin.Api/Extensions/DtoExtensions.cs

@@ -23,7 +23,7 @@ namespace Jellyfin.Api.Extensions
         /// <param name="dtoOptions">DtoOptions object.</param>
         /// <param name="fields">Comma delimited string of fields.</param>
         /// <returns>Modified DtoOptions object.</returns>
-        internal static DtoOptions AddItemFields(this DtoOptions dtoOptions, string fields)
+        internal static DtoOptions AddItemFields(this DtoOptions dtoOptions, string? fields)
         {
             if (string.IsNullOrEmpty(fields))
             {

Jellyfin.Api/Helpers/RequestHelpers.cs

@@ -2,10 +2,10 @@
 using System.Collections.Generic;
 using System.Linq;
 using Jellyfin.Data.Enums;
-using MediaBrowser.Model.Entities;
-using MediaBrowser.Model.Querying;
 using MediaBrowser.Controller.Net;
 using MediaBrowser.Controller.Session;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Querying;
 using Microsoft.AspNetCore.Http;
 
 namespace Jellyfin.Api.Helpers
@@ -55,29 +55,6 @@ namespace Jellyfin.Api.Helpers
             return result;
         }
 
-        /// <summary>
-        /// Gets the item fields.
-        /// </summary>
-        /// <param name="fields">The fields.</param>
-        /// <returns>IEnumerable{ItemFields}.</returns>
-        public static ItemFields[] GetItemFields(string? fields)
-        {
-            if (string.IsNullOrEmpty(fields))
-            {
-                return Array.Empty<ItemFields>();
-            }
-
-            return fields.Split(',').Select(v =>
-            {
-                if (Enum.TryParse(v, true, out ItemFields value))
-                {
-                    return (ItemFields?)value;
-                }
-
-                return null;
-            }).Where(i => i.HasValue).Select(i => i!.Value).ToArray();
-        }
-
         /// <summary>
         /// Get parsed filters.
         /// </summary>