Make /MusicGenres obsolete

Jellyfin.Api/Controllers/GenresController.cs

@@ -66,6 +66,7 @@ namespace Jellyfin.Api.Controllers
         /// <response code="200">Genres returned.</response>
         /// <returns>An <see cref="OkResult"/> containing the queryresult of genres.</returns>
         [HttpGet]
+        [HttpGet("/MusicGenres", Name = "GetMusicGenres-Deprecated")]
         [ProducesResponseType(StatusCodes.Status200OK)]
         public ActionResult<QueryResult<BaseItemDto>> GetGenres(
             [FromQuery] int? startIndex,

Jellyfin.Api/Controllers/MusicGenresController.cs

@@ -44,88 +44,6 @@ namespace Jellyfin.Api.Controllers
             _dtoService = dtoService;
         }
 
-        /// <summary>
-        /// Gets all music genres from a given item, folder, or the entire library.
-        /// </summary>
-        /// <param name="startIndex">Optional. The record index to start at. All items with a lower index will be dropped from the results.</param>
-        /// <param name="limit">Optional. The maximum number of records to return.</param>
-        /// <param name="searchTerm">The search term.</param>
-        /// <param name="parentId">Specify this to localize the search to a specific item or folder. Omit to use the root.</param>
-        /// <param name="fields">Optional. Specify additional fields of information to return in the output. This allows multiple, comma delimited. Options: Budget, Chapters, DateCreated, Genres, HomePageUrl, IndexOptions, MediaStreams, Overview, ParentId, Path, People, ProviderIds, PrimaryImageAspectRatio, Revenue, SortName, Studios, Taglines.</param>
-        /// <param name="excludeItemTypes">Optional. If specified, results will be filtered out based on item type. This allows multiple, comma delimited.</param>
-        /// <param name="includeItemTypes">Optional. If specified, results will be filtered in based on item type. This allows multiple, comma delimited.</param>
-        /// <param name="isFavorite">Optional filter by items that are marked as favorite, or not.</param>
-        /// <param name="imageTypeLimit">Optional, the max number of images to return, per image type.</param>
-        /// <param name="enableImageTypes">Optional. The image types to include in the output.</param>
-        /// <param name="userId">User id.</param>
-        /// <param name="nameStartsWithOrGreater">Optional filter by items whose name is sorted equally or greater than a given input string.</param>
-        /// <param name="nameStartsWith">Optional filter by items whose name is sorted equally than a given input string.</param>
-        /// <param name="nameLessThan">Optional filter by items whose name is equally or lesser than a given input string.</param>
-        /// <param name="enableImages">Optional, include image information in output.</param>
-        /// <param name="enableTotalRecordCount">Optional. Include total record count.</param>
-        /// <response code="200">Music genres returned.</response>
-        /// <returns>An <see cref="OkResult"/> containing the queryresult of music genres.</returns>
-        [HttpGet]
-        public ActionResult<QueryResult<BaseItemDto>> GetMusicGenres(
-            [FromQuery] int? startIndex,
-            [FromQuery] int? limit,
-            [FromQuery] string? searchTerm,
-            [FromQuery] string? parentId,
-            [FromQuery] string? fields,
-            [FromQuery] string? excludeItemTypes,
-            [FromQuery] string? includeItemTypes,
-            [FromQuery] bool? isFavorite,
-            [FromQuery] int? imageTypeLimit,
-            [FromQuery] ImageType[] enableImageTypes,
-            [FromQuery] Guid? userId,
-            [FromQuery] string? nameStartsWithOrGreater,
-            [FromQuery] string? nameStartsWith,
-            [FromQuery] string? nameLessThan,
-            [FromQuery] bool? enableImages = true,
-            [FromQuery] bool enableTotalRecordCount = true)
-        {
-            var dtoOptions = new DtoOptions()
-                .AddItemFields(fields)
-                .AddClientFields(Request)
-                .AddAdditionalDtoOptions(enableImages, false, imageTypeLimit, enableImageTypes);
-
-            User? user = userId.HasValue && userId != Guid.Empty ? _userManager.GetUserById(userId.Value) : null;
-
-            var parentItem = _libraryManager.GetParentItem(parentId, userId);
-
-            var query = new InternalItemsQuery(user)
-            {
-                ExcludeItemTypes = RequestHelpers.Split(excludeItemTypes, ',', true),
-                IncludeItemTypes = RequestHelpers.Split(includeItemTypes, ',', true),
-                StartIndex = startIndex,
-                Limit = limit,
-                IsFavorite = isFavorite,
-                NameLessThan = nameLessThan,
-                NameStartsWith = nameStartsWith,
-                NameStartsWithOrGreater = nameStartsWithOrGreater,
-                DtoOptions = dtoOptions,
-                SearchTerm = searchTerm,
-                EnableTotalRecordCount = enableTotalRecordCount
-            };
-
-            if (!string.IsNullOrWhiteSpace(parentId))
-            {
-                if (parentItem is Folder)
-                {
-                    query.AncestorIds = new[] { new Guid(parentId) };
-                }
-                else
-                {
-                    query.ItemIds = new[] { new Guid(parentId) };
-                }
-            }
-
-            var result = _libraryManager.GetMusicGenres(query);
-
-            var shouldIncludeItemTypes = !string.IsNullOrWhiteSpace(includeItemTypes);
-            return RequestHelpers.CreateQueryResult(result, dtoOptions, _dtoService, shouldIncludeItemTypes, user);
-        }
-
         /// <summary>
         /// Gets a music genre, by name.
         /// </summary>

Jellyfin.Server/Extensions/ApiServiceCollectionExtensions.cs

@@ -260,6 +260,7 @@ namespace Jellyfin.Server.Extensions
                 c.AddSwaggerTypeMappings();
 
                 c.OperationFilter<FileResponseFilter>();
+                c.OperationFilter<ObsoleteRoutesFilter>();
                 c.DocumentFilter<WebsocketModelFilter>();
             });
         }

Jellyfin.Server/Filters/ObsoleteRoutesFilter.cs

@@ -0,0 +1,22 @@
+using System;
+using Microsoft.AspNetCore.Mvc.Controllers;
+using Microsoft.OpenApi.Models;
+using Swashbuckle.AspNetCore.SwaggerGen;
+
+namespace Jellyfin.Server.Filters
+{
+    /// <inheritdoc />
+    public class ObsoleteRoutesFilter : IOperationFilter
+    {
+        /// <inheritdoc />
+        public void Apply(OpenApiOperation operation, OperationFilterContext context)
+        {
+            if (context.ApiDescription.ActionDescriptor is ControllerActionDescriptor actionDescriptor
+                && !string.IsNullOrEmpty(actionDescriptor.AttributeRouteInfo.Name)
+                && actionDescriptor.AttributeRouteInfo.Name.EndsWith("deprecated", StringComparison.OrdinalIgnoreCase))
+            {
+                operation.Deprecated = true;
+            }
+        }
+    }
+}