Make the JsonConverters for delimited arrays more generic (#13396)

* Make the JsonConverters for delimited arrays more generic

Also adds some tests for serialization (with different types) as we didn't have any before.

* Ignore warnings

Jellyfin.Api/Controllers/ArtistsController.cs

@@ -91,31 +91,31 @@ public class ArtistsController : BaseJellyfinApiController
         [FromQuery] int? limit,
         [FromQuery] string? searchTerm,
         [FromQuery] Guid? parentId,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] excludeItemTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] includeItemTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFilter[] filters,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] excludeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] includeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFilter[] filters,
         [FromQuery] bool? isFavorite,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] MediaType[] mediaTypes,
-        [FromQuery, ModelBinder(typeof(PipeDelimitedArrayModelBinder))] string[] genres,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] genreIds,
-        [FromQuery, ModelBinder(typeof(PipeDelimitedArrayModelBinder))] string[] officialRatings,
-        [FromQuery, ModelBinder(typeof(PipeDelimitedArrayModelBinder))] string[] tags,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] int[] years,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] MediaType[] mediaTypes,
+        [FromQuery, ModelBinder(typeof(PipeDelimitedCollectionModelBinder))] string[] genres,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] genreIds,
+        [FromQuery, ModelBinder(typeof(PipeDelimitedCollectionModelBinder))] string[] officialRatings,
+        [FromQuery, ModelBinder(typeof(PipeDelimitedCollectionModelBinder))] string[] tags,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] int[] years,
         [FromQuery] bool? enableUserData,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes,
         [FromQuery] string? person,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] personIds,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] string[] personTypes,
-        [FromQuery, ModelBinder(typeof(PipeDelimitedArrayModelBinder))] string[] studios,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] studioIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] personIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] string[] personTypes,
+        [FromQuery, ModelBinder(typeof(PipeDelimitedCollectionModelBinder))] string[] studios,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] studioIds,
         [FromQuery] Guid? userId,
         [FromQuery] string? nameStartsWithOrGreater,
         [FromQuery] string? nameStartsWith,
         [FromQuery] string? nameLessThan,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemSortBy[] sortBy,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] SortOrder[] sortOrder,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemSortBy[] sortBy,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] SortOrder[] sortOrder,
         [FromQuery] bool? enableImages = true,
         [FromQuery] bool enableTotalRecordCount = true)
     {
@@ -295,31 +295,31 @@ public class ArtistsController : BaseJellyfinApiController
         [FromQuery] int? limit,
         [FromQuery] string? searchTerm,
         [FromQuery] Guid? parentId,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] excludeItemTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] includeItemTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFilter[] filters,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] excludeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] includeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFilter[] filters,
         [FromQuery] bool? isFavorite,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] MediaType[] mediaTypes,
-        [FromQuery, ModelBinder(typeof(PipeDelimitedArrayModelBinder))] string[] genres,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] genreIds,
-        [FromQuery, ModelBinder(typeof(PipeDelimitedArrayModelBinder))] string[] officialRatings,
-        [FromQuery, ModelBinder(typeof(PipeDelimitedArrayModelBinder))] string[] tags,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] int[] years,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] MediaType[] mediaTypes,
+        [FromQuery, ModelBinder(typeof(PipeDelimitedCollectionModelBinder))] string[] genres,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] genreIds,
+        [FromQuery, ModelBinder(typeof(PipeDelimitedCollectionModelBinder))] string[] officialRatings,
+        [FromQuery, ModelBinder(typeof(PipeDelimitedCollectionModelBinder))] string[] tags,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] int[] years,
         [FromQuery] bool? enableUserData,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes,
         [FromQuery] string? person,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] personIds,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] string[] personTypes,
-        [FromQuery, ModelBinder(typeof(PipeDelimitedArrayModelBinder))] string[] studios,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] studioIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] personIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] string[] personTypes,
+        [FromQuery, ModelBinder(typeof(PipeDelimitedCollectionModelBinder))] string[] studios,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] studioIds,
         [FromQuery] Guid? userId,
         [FromQuery] string? nameStartsWithOrGreater,
         [FromQuery] string? nameStartsWith,
         [FromQuery] string? nameLessThan,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemSortBy[] sortBy,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] SortOrder[] sortOrder,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemSortBy[] sortBy,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] SortOrder[] sortOrder,
         [FromQuery] bool? enableImages = true,
         [FromQuery] bool enableTotalRecordCount = true)
     {

Jellyfin.Api/Controllers/ChannelsController.cs

@@ -121,10 +121,10 @@ public class ChannelsController : BaseJellyfinApiController
         [FromQuery] Guid? userId,
         [FromQuery] int? startIndex,
         [FromQuery] int? limit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] SortOrder[] sortOrder,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFilter[] filters,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemSortBy[] sortBy,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields)
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] SortOrder[] sortOrder,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFilter[] filters,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemSortBy[] sortBy,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields)
     {
         userId = RequestHelpers.GetUserId(User, userId);
         var user = userId.IsNullOrEmpty()
@@ -197,9 +197,9 @@ public class ChannelsController : BaseJellyfinApiController
         [FromQuery] Guid? userId,
         [FromQuery] int? startIndex,
         [FromQuery] int? limit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFilter[] filters,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] channelIds)
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFilter[] filters,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] channelIds)
     {
         userId = RequestHelpers.GetUserId(User, userId);
         var user = userId.IsNullOrEmpty()

Jellyfin.Api/Controllers/CollectionController.cs

@@ -50,7 +50,7 @@ public class CollectionController : BaseJellyfinApiController
     [ProducesResponseType(StatusCodes.Status200OK)]
     public async Task<ActionResult<CollectionCreationResult>> CreateCollection(
         [FromQuery] string? name,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] string[] ids,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] string[] ids,
         [FromQuery] Guid? parentId,
         [FromQuery] bool isLocked = false)
     {
@@ -86,7 +86,7 @@ public class CollectionController : BaseJellyfinApiController
     [ProducesResponseType(StatusCodes.Status204NoContent)]
     public async Task<ActionResult> AddToCollection(
         [FromRoute, Required] Guid collectionId,
-        [FromQuery, Required, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] ids)
+        [FromQuery, Required, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] ids)
     {
         await _collectionManager.AddToCollectionAsync(collectionId, ids).ConfigureAwait(true);
         return NoContent();
@@ -103,7 +103,7 @@ public class CollectionController : BaseJellyfinApiController
     [ProducesResponseType(StatusCodes.Status204NoContent)]
     public async Task<ActionResult> RemoveFromCollection(
         [FromRoute, Required] Guid collectionId,
-        [FromQuery, Required, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] ids)
+        [FromQuery, Required, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] ids)
     {
         await _collectionManager.RemoveFromCollectionAsync(collectionId, ids).ConfigureAwait(false);
         return NoContent();

Jellyfin.Api/Controllers/FilterController.cs

@@ -50,8 +50,8 @@ public class FilterController : BaseJellyfinApiController
     public ActionResult<QueryFiltersLegacy> GetQueryFiltersLegacy(
         [FromQuery] Guid? userId,
         [FromQuery] Guid? parentId,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] includeItemTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] MediaType[] mediaTypes)
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] includeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] MediaType[] mediaTypes)
     {
         userId = RequestHelpers.GetUserId(User, userId);
         var user = userId.IsNullOrEmpty()
@@ -137,7 +137,7 @@ public class FilterController : BaseJellyfinApiController
     public ActionResult<QueryFilters> GetQueryFilters(
         [FromQuery] Guid? userId,
         [FromQuery] Guid? parentId,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] includeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] includeItemTypes,
         [FromQuery] bool? isAiring,
         [FromQuery] bool? isMovie,
         [FromQuery] bool? isSports,

Jellyfin.Api/Controllers/GenresController.cs

@@ -76,18 +76,18 @@ public class GenresController : BaseJellyfinApiController
         [FromQuery] int? limit,
         [FromQuery] string? searchTerm,
         [FromQuery] Guid? parentId,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] excludeItemTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] includeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] excludeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] includeItemTypes,
         [FromQuery] bool? isFavorite,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes,
         [FromQuery] Guid? userId,
         [FromQuery] string? nameStartsWithOrGreater,
         [FromQuery] string? nameStartsWith,
         [FromQuery] string? nameLessThan,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemSortBy[] sortBy,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] SortOrder[] sortOrder,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemSortBy[] sortBy,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] SortOrder[] sortOrder,
         [FromQuery] bool? enableImages = true,
         [FromQuery] bool enableTotalRecordCount = true)
     {

Jellyfin.Api/Controllers/InstantMixController.cs

@@ -73,11 +73,11 @@ public class InstantMixController : BaseJellyfinApiController
         [FromRoute, Required] Guid itemId,
         [FromQuery] Guid? userId,
         [FromQuery] int? limit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
         [FromQuery] bool? enableImages,
         [FromQuery] bool? enableUserData,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes)
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes)
     {
         userId = RequestHelpers.GetUserId(User, userId);
         var user = userId.IsNullOrEmpty()
@@ -117,11 +117,11 @@ public class InstantMixController : BaseJellyfinApiController
         [FromRoute, Required] Guid itemId,
         [FromQuery] Guid? userId,
         [FromQuery] int? limit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
         [FromQuery] bool? enableImages,
         [FromQuery] bool? enableUserData,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes)
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes)
     {
         userId = RequestHelpers.GetUserId(User, userId);
         var user = userId.IsNullOrEmpty()
@@ -161,11 +161,11 @@ public class InstantMixController : BaseJellyfinApiController
         [FromRoute, Required] Guid itemId,
         [FromQuery] Guid? userId,
         [FromQuery] int? limit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
         [FromQuery] bool? enableImages,
         [FromQuery] bool? enableUserData,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes)
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes)
     {
         userId = RequestHelpers.GetUserId(User, userId);
         var user = userId.IsNullOrEmpty()
@@ -203,11 +203,11 @@ public class InstantMixController : BaseJellyfinApiController
         [FromRoute, Required] string name,
         [FromQuery] Guid? userId,
         [FromQuery] int? limit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
         [FromQuery] bool? enableImages,
         [FromQuery] bool? enableUserData,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes)
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes)
     {
         userId = RequestHelpers.GetUserId(User, userId);
         var user = userId.IsNullOrEmpty()
@@ -241,11 +241,11 @@ public class InstantMixController : BaseJellyfinApiController
         [FromRoute, Required] Guid itemId,
         [FromQuery] Guid? userId,
         [FromQuery] int? limit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
         [FromQuery] bool? enableImages,
         [FromQuery] bool? enableUserData,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes)
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes)
     {
         userId = RequestHelpers.GetUserId(User, userId);
         var user = userId.IsNullOrEmpty()
@@ -285,11 +285,11 @@ public class InstantMixController : BaseJellyfinApiController
         [FromRoute, Required] Guid itemId,
         [FromQuery] Guid? userId,
         [FromQuery] int? limit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
         [FromQuery] bool? enableImages,
         [FromQuery] bool? enableUserData,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes)
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes)
     {
         userId = RequestHelpers.GetUserId(User, userId);
         var user = userId.IsNullOrEmpty()
@@ -330,11 +330,11 @@ public class InstantMixController : BaseJellyfinApiController
         [FromQuery, Required] Guid id,
         [FromQuery] Guid? userId,
         [FromQuery] int? limit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
         [FromQuery] bool? enableImages,
         [FromQuery] bool? enableUserData,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes)
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes)
     {
         return GetInstantMixFromArtists(
             id,
@@ -368,11 +368,11 @@ public class InstantMixController : BaseJellyfinApiController
         [FromQuery, Required] Guid id,
         [FromQuery] Guid? userId,
         [FromQuery] int? limit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
         [FromQuery] bool? enableImages,
         [FromQuery] bool? enableUserData,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes)
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes)
     {
         userId = RequestHelpers.GetUserId(User, userId);
         var user = userId.IsNullOrEmpty()

Jellyfin.Api/Controllers/ItemsController.cs

@@ -171,8 +171,8 @@ public class ItemsController : BaseJellyfinApiController
         [FromQuery] bool? hasParentalRating,
         [FromQuery] bool? isHd,
         [FromQuery] bool? is4K,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] LocationType[] locationTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] LocationType[] excludeLocationTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] LocationType[] locationTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] LocationType[] excludeLocationTypes,
         [FromQuery] bool? isMissing,
         [FromQuery] bool? isUnaired,
         [FromQuery] double? minCommunityRating,
@@ -190,42 +190,42 @@ public class ItemsController : BaseJellyfinApiController
         [FromQuery] bool? isNews,
         [FromQuery] bool? isKids,
         [FromQuery] bool? isSports,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] excludeItemIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] excludeItemIds,
         [FromQuery] int? startIndex,
         [FromQuery] int? limit,
         [FromQuery] bool? recursive,
         [FromQuery] string? searchTerm,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] SortOrder[] sortOrder,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] SortOrder[] sortOrder,
         [FromQuery] Guid? parentId,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] excludeItemTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] includeItemTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFilter[] filters,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] excludeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] includeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFilter[] filters,
         [FromQuery] bool? isFavorite,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] MediaType[] mediaTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] imageTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemSortBy[] sortBy,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] MediaType[] mediaTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] imageTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemSortBy[] sortBy,
         [FromQuery] bool? isPlayed,
-        [FromQuery, ModelBinder(typeof(PipeDelimitedArrayModelBinder))] string[] genres,
-        [FromQuery, ModelBinder(typeof(PipeDelimitedArrayModelBinder))] string[] officialRatings,
-        [FromQuery, ModelBinder(typeof(PipeDelimitedArrayModelBinder))] string[] tags,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] int[] years,
+        [FromQuery, ModelBinder(typeof(PipeDelimitedCollectionModelBinder))] string[] genres,
+        [FromQuery, ModelBinder(typeof(PipeDelimitedCollectionModelBinder))] string[] officialRatings,
+        [FromQuery, ModelBinder(typeof(PipeDelimitedCollectionModelBinder))] string[] tags,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] int[] years,
         [FromQuery] bool? enableUserData,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes,
         [FromQuery] string? person,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] personIds,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] string[] personTypes,
-        [FromQuery, ModelBinder(typeof(PipeDelimitedArrayModelBinder))] string[] studios,
-        [FromQuery, ModelBinder(typeof(PipeDelimitedArrayModelBinder))] string[] artists,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] excludeArtistIds,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] artistIds,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] albumArtistIds,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] contributingArtistIds,
-        [FromQuery, ModelBinder(typeof(PipeDelimitedArrayModelBinder))] string[] albums,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] albumIds,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] ids,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] VideoType[] videoTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] personIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] string[] personTypes,
+        [FromQuery, ModelBinder(typeof(PipeDelimitedCollectionModelBinder))] string[] studios,
+        [FromQuery, ModelBinder(typeof(PipeDelimitedCollectionModelBinder))] string[] artists,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] excludeArtistIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] artistIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] albumArtistIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] contributingArtistIds,
+        [FromQuery, ModelBinder(typeof(PipeDelimitedCollectionModelBinder))] string[] albums,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] albumIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] ids,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] VideoType[] videoTypes,
         [FromQuery] string? minOfficialRating,
         [FromQuery] bool? isLocked,
         [FromQuery] bool? isPlaceHolder,
@@ -236,12 +236,12 @@ public class ItemsController : BaseJellyfinApiController
         [FromQuery] int? maxWidth,
         [FromQuery] int? maxHeight,
         [FromQuery] bool? is3D,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] SeriesStatus[] seriesStatus,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] SeriesStatus[] seriesStatus,
         [FromQuery] string? nameStartsWithOrGreater,
         [FromQuery] string? nameStartsWith,
         [FromQuery] string? nameLessThan,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] studioIds,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] genreIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] studioIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] genreIds,
         [FromQuery] bool enableTotalRecordCount = true,
         [FromQuery] bool? enableImages = true)
     {
@@ -638,8 +638,8 @@ public class ItemsController : BaseJellyfinApiController
         [FromQuery] bool? hasParentalRating,
         [FromQuery] bool? isHd,
         [FromQuery] bool? is4K,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] LocationType[] locationTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] LocationType[] excludeLocationTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] LocationType[] locationTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] LocationType[] excludeLocationTypes,
         [FromQuery] bool? isMissing,
         [FromQuery] bool? isUnaired,
         [FromQuery] double? minCommunityRating,
@@ -657,42 +657,42 @@ public class ItemsController : BaseJellyfinApiController
         [FromQuery] bool? isNews,
         [FromQuery] bool? isKids,
         [FromQuery] bool? isSports,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] excludeItemIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] excludeItemIds,
         [FromQuery] int? startIndex,
         [FromQuery] int? limit,
         [FromQuery] bool? recursive,
         [FromQuery] string? searchTerm,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] SortOrder[] sortOrder,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] SortOrder[] sortOrder,
         [FromQuery] Guid? parentId,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] excludeItemTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] includeItemTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFilter[] filters,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] excludeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] includeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFilter[] filters,
         [FromQuery] bool? isFavorite,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] MediaType[] mediaTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] imageTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemSortBy[] sortBy,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] MediaType[] mediaTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] imageTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemSortBy[] sortBy,
         [FromQuery] bool? isPlayed,
-        [FromQuery, ModelBinder(typeof(PipeDelimitedArrayModelBinder))] string[] genres,
-        [FromQuery, ModelBinder(typeof(PipeDelimitedArrayModelBinder))] string[] officialRatings,
-        [FromQuery, ModelBinder(typeof(PipeDelimitedArrayModelBinder))] string[] tags,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] int[] years,
+        [FromQuery, ModelBinder(typeof(PipeDelimitedCollectionModelBinder))] string[] genres,
+        [FromQuery, ModelBinder(typeof(PipeDelimitedCollectionModelBinder))] string[] officialRatings,
+        [FromQuery, ModelBinder(typeof(PipeDelimitedCollectionModelBinder))] string[] tags,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] int[] years,
         [FromQuery] bool? enableUserData,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes,
         [FromQuery] string? person,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] personIds,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] string[] personTypes,
-        [FromQuery, ModelBinder(typeof(PipeDelimitedArrayModelBinder))] string[] studios,
-        [FromQuery, ModelBinder(typeof(PipeDelimitedArrayModelBinder))] string[] artists,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] excludeArtistIds,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] artistIds,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] albumArtistIds,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] contributingArtistIds,
-        [FromQuery, ModelBinder(typeof(PipeDelimitedArrayModelBinder))] string[] albums,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] albumIds,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] ids,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] VideoType[] videoTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] personIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] string[] personTypes,
+        [FromQuery, ModelBinder(typeof(PipeDelimitedCollectionModelBinder))] string[] studios,
+        [FromQuery, ModelBinder(typeof(PipeDelimitedCollectionModelBinder))] string[] artists,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] excludeArtistIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] artistIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] albumArtistIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] contributingArtistIds,
+        [FromQuery, ModelBinder(typeof(PipeDelimitedCollectionModelBinder))] string[] albums,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] albumIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] ids,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] VideoType[] videoTypes,
         [FromQuery] string? minOfficialRating,
         [FromQuery] bool? isLocked,
         [FromQuery] bool? isPlaceHolder,
@@ -703,12 +703,12 @@ public class ItemsController : BaseJellyfinApiController
         [FromQuery] int? maxWidth,
         [FromQuery] int? maxHeight,
         [FromQuery] bool? is3D,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] SeriesStatus[] seriesStatus,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] SeriesStatus[] seriesStatus,
         [FromQuery] string? nameStartsWithOrGreater,
         [FromQuery] string? nameStartsWith,
         [FromQuery] string? nameLessThan,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] studioIds,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] genreIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] studioIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] genreIds,
         [FromQuery] bool enableTotalRecordCount = true,
         [FromQuery] bool? enableImages = true)
         => GetItems(
@@ -827,13 +827,13 @@ public class ItemsController : BaseJellyfinApiController
         [FromQuery] int? limit,
         [FromQuery] string? searchTerm,
         [FromQuery] Guid? parentId,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] MediaType[] mediaTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] MediaType[] mediaTypes,
         [FromQuery] bool? enableUserData,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] excludeItemTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] includeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] excludeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] includeItemTypes,
         [FromQuery] bool enableTotalRecordCount = true,
         [FromQuery] bool? enableImages = true,
         [FromQuery] bool excludeActiveSessions = false)
@@ -929,13 +929,13 @@ public class ItemsController : BaseJellyfinApiController
         [FromQuery] int? limit,
         [FromQuery] string? searchTerm,
         [FromQuery] Guid? parentId,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] MediaType[] mediaTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] MediaType[] mediaTypes,
         [FromQuery] bool? enableUserData,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] excludeItemTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] includeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] excludeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] includeItemTypes,
         [FromQuery] bool enableTotalRecordCount = true,
         [FromQuery] bool? enableImages = true,
         [FromQuery] bool excludeActiveSessions = false)

Jellyfin.Api/Controllers/LibraryController.cs

@@ -144,8 +144,8 @@ public class LibraryController : BaseJellyfinApiController
         [FromRoute, Required] Guid itemId,
         [FromQuery] Guid? userId,
         [FromQuery] bool inheritFromParent = false,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemSortBy[]? sortBy = null,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] SortOrder[]? sortOrder = null)
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemSortBy[]? sortBy = null,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] SortOrder[]? sortOrder = null)
     {
         userId = RequestHelpers.GetUserId(User, userId);
         var user = userId.IsNullOrEmpty()
@@ -218,8 +218,8 @@ public class LibraryController : BaseJellyfinApiController
         [FromRoute, Required] Guid itemId,
         [FromQuery] Guid? userId,
         [FromQuery] bool inheritFromParent = false,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemSortBy[]? sortBy = null,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] SortOrder[]? sortOrder = null)
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemSortBy[]? sortBy = null,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] SortOrder[]? sortOrder = null)
     {
         userId = RequestHelpers.GetUserId(User, userId);
         var user = userId.IsNullOrEmpty()
@@ -290,8 +290,8 @@ public class LibraryController : BaseJellyfinApiController
         [FromRoute, Required] Guid itemId,
         [FromQuery] Guid? userId,
         [FromQuery] bool inheritFromParent = false,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemSortBy[]? sortBy = null,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] SortOrder[]? sortOrder = null)
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemSortBy[]? sortBy = null,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] SortOrder[]? sortOrder = null)
     {
         var themeSongs = GetThemeSongs(
             itemId,
@@ -400,7 +400,7 @@ public class LibraryController : BaseJellyfinApiController
     [ProducesResponseType(StatusCodes.Status204NoContent)]
     [ProducesResponseType(StatusCodes.Status401Unauthorized)]
     [ProducesResponseType(StatusCodes.Status404NotFound)]
-    public ActionResult DeleteItems([FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] ids)
+    public ActionResult DeleteItems([FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] ids)
     {
         var isApiKey = User.GetIsApiKey();
         var userId = User.GetUserId();
@@ -722,10 +722,10 @@ public class LibraryController : BaseJellyfinApiController
     [ProducesResponseType(StatusCodes.Status200OK)]
     public ActionResult<QueryResult<BaseItemDto>> GetSimilarItems(
         [FromRoute, Required] Guid itemId,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] excludeArtistIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] excludeArtistIds,
         [FromQuery] Guid? userId,
         [FromQuery] int? limit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields)
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields)
     {
         userId = RequestHelpers.GetUserId(User, userId);
         var user = userId.IsNullOrEmpty()

Jellyfin.Api/Controllers/LibraryStructureController.cs

@@ -77,7 +77,7 @@ public class LibraryStructureController : BaseJellyfinApiController
     public async Task<ActionResult> AddVirtualFolder(
         [FromQuery] string name,
         [FromQuery] CollectionTypeOptions? collectionType,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] string[] paths,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] string[] paths,
         [FromBody] AddVirtualFolderDto? libraryOptionsDto,
         [FromQuery] bool refreshLibrary = false)
     {

Jellyfin.Api/Controllers/LiveTvController.cs

@@ -159,10 +159,10 @@ public class LiveTvController : BaseJellyfinApiController
         [FromQuery] bool? isDisliked,
         [FromQuery] bool? enableImages,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
         [FromQuery] bool? enableUserData,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemSortBy[] sortBy,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemSortBy[] sortBy,
         [FromQuery] SortOrder? sortOrder,
         [FromQuery] bool enableFavoriteSorting = false,
         [FromQuery] bool addCurrentProgram = true)
@@ -283,8 +283,8 @@ public class LiveTvController : BaseJellyfinApiController
         [FromQuery] string? seriesTimerId,
         [FromQuery] bool? enableImages,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
         [FromQuery] bool? enableUserData,
         [FromQuery] bool? isMovie,
         [FromQuery] bool? isSeries,
@@ -371,8 +371,8 @@ public class LiveTvController : BaseJellyfinApiController
         [FromQuery] string? seriesTimerId,
         [FromQuery] bool? enableImages,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
         [FromQuery] bool? enableUserData,
         [FromQuery] bool enableTotalRecordCount = true)
     {
@@ -566,7 +566,7 @@ public class LiveTvController : BaseJellyfinApiController
     [ProducesResponseType(StatusCodes.Status200OK)]
     [Authorize(Policy = Policies.LiveTvAccess)]
     public async Task<ActionResult<QueryResult<BaseItemDto>>> GetLiveTvPrograms(
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] channelIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] channelIds,
         [FromQuery] Guid? userId,
         [FromQuery] DateTime? minStartDate,
         [FromQuery] bool? hasAired,
@@ -581,17 +581,17 @@ public class LiveTvController : BaseJellyfinApiController
         [FromQuery] bool? isSports,
         [FromQuery] int? startIndex,
         [FromQuery] int? limit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemSortBy[] sortBy,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] SortOrder[] sortOrder,
-        [FromQuery, ModelBinder(typeof(PipeDelimitedArrayModelBinder))] string[] genres,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] genreIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemSortBy[] sortBy,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] SortOrder[] sortOrder,
+        [FromQuery, ModelBinder(typeof(PipeDelimitedCollectionModelBinder))] string[] genres,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] genreIds,
         [FromQuery] bool? enableImages,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes,
         [FromQuery] bool? enableUserData,
         [FromQuery] string? seriesTimerId,
         [FromQuery] Guid? librarySeriesId,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
         [FromQuery] bool enableTotalRecordCount = true)
     {
         userId = RequestHelpers.GetUserId(User, userId);
@@ -730,9 +730,9 @@ public class LiveTvController : BaseJellyfinApiController
         [FromQuery] bool? isSports,
         [FromQuery] bool? enableImages,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] genreIds,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] genreIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
         [FromQuery] bool? enableUserData,
         [FromQuery] bool enableTotalRecordCount = true)
     {

Jellyfin.Api/Controllers/MoviesController.cs

@@ -65,7 +65,7 @@ public class MoviesController : BaseJellyfinApiController
     public ActionResult<IEnumerable<RecommendationDto>> GetMovieRecommendations(
         [FromQuery] Guid? userId,
         [FromQuery] Guid? parentId,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
         [FromQuery] int categoryLimit = 5,
         [FromQuery] int itemLimit = 8)
     {

Jellyfin.Api/Controllers/MusicGenresController.cs

@@ -76,18 +76,18 @@ public class MusicGenresController : BaseJellyfinApiController
         [FromQuery] int? limit,
         [FromQuery] string? searchTerm,
         [FromQuery] Guid? parentId,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] excludeItemTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] includeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] excludeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] includeItemTypes,
         [FromQuery] bool? isFavorite,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes,
         [FromQuery] Guid? userId,
         [FromQuery] string? nameStartsWithOrGreater,
         [FromQuery] string? nameStartsWith,
         [FromQuery] string? nameLessThan,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemSortBy[] sortBy,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] SortOrder[] sortOrder,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemSortBy[] sortBy,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] SortOrder[] sortOrder,
         [FromQuery] bool? enableImages = true,
         [FromQuery] bool enableTotalRecordCount = true)
     {

Jellyfin.Api/Controllers/PersonsController.cs

@@ -67,14 +67,14 @@ public class PersonsController : BaseJellyfinApiController
     public ActionResult<QueryResult<BaseItemDto>> GetPersons(
         [FromQuery] int? limit,
         [FromQuery] string? searchTerm,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFilter[] filters,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFilter[] filters,
         [FromQuery] bool? isFavorite,
         [FromQuery] bool? enableUserData,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] string[] excludePersonTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] string[] personTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] string[] excludePersonTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] string[] personTypes,
         [FromQuery] Guid? appearsInItemId,
         [FromQuery] Guid? userId,
         [FromQuery] bool? enableImages = true)

Jellyfin.Api/Controllers/PlaylistsController.cs

@@ -76,7 +76,7 @@ public class PlaylistsController : BaseJellyfinApiController
     [ProducesResponseType(StatusCodes.Status200OK)]
     public async Task<ActionResult<PlaylistCreationResult>> CreatePlaylist(
         [FromQuery, ParameterObsolete] string? name,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder)), ParameterObsolete] IReadOnlyList<Guid> ids,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder)), ParameterObsolete] IReadOnlyList<Guid> ids,
         [FromQuery, ParameterObsolete] Guid? userId,
         [FromQuery, ParameterObsolete] MediaType? mediaType,
         [FromBody(EmptyBodyBehavior = EmptyBodyBehavior.Allow)] CreatePlaylistDto? createPlaylistRequest)
@@ -370,7 +370,7 @@ public class PlaylistsController : BaseJellyfinApiController
     [ProducesResponseType(StatusCodes.Status404NotFound)]
     public async Task<ActionResult> AddItemToPlaylist(
         [FromRoute, Required] Guid playlistId,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] ids,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] ids,
         [FromQuery] Guid? userId)
     {
         userId = RequestHelpers.GetUserId(User, userId);
@@ -446,7 +446,7 @@ public class PlaylistsController : BaseJellyfinApiController
     [ProducesResponseType(StatusCodes.Status404NotFound)]
     public async Task<ActionResult> RemoveItemFromPlaylist(
         [FromRoute, Required] string playlistId,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] string[] entryIds)
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] string[] entryIds)
     {
         var callingUserId = User.GetUserId();
 
@@ -493,11 +493,11 @@ public class PlaylistsController : BaseJellyfinApiController
         [FromQuery] Guid? userId,
         [FromQuery] int? startIndex,
         [FromQuery] int? limit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
         [FromQuery] bool? enableImages,
         [FromQuery] bool? enableUserData,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes)
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes)
     {
         var callingUserId = userId ?? User.GetUserId();
         var playlist = _playlistManager.GetPlaylistForUser(playlistId, callingUserId);

Jellyfin.Api/Controllers/SearchController.cs

@@ -84,9 +84,9 @@ public class SearchController : BaseJellyfinApiController
         [FromQuery] int? limit,
         [FromQuery] Guid? userId,
         [FromQuery, Required] string searchTerm,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] includeItemTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] excludeItemTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] MediaType[] mediaTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] includeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] excludeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] MediaType[] mediaTypes,
         [FromQuery] Guid? parentId,
         [FromQuery] bool? isMovie,
         [FromQuery] bool? isSeries,

Jellyfin.Api/Controllers/SessionController.cs

@@ -122,7 +122,7 @@ public class SessionController : BaseJellyfinApiController
     public async Task<ActionResult> Play(
         [FromRoute, Required] string sessionId,
         [FromQuery, Required] PlayCommand playCommand,
-        [FromQuery, Required, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] itemIds,
+        [FromQuery, Required, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] itemIds,
         [FromQuery] long? startPositionTicks,
         [FromQuery] string? mediaSourceId,
         [FromQuery] int? audioStreamIndex,
@@ -347,8 +347,8 @@ public class SessionController : BaseJellyfinApiController
     [ProducesResponseType(StatusCodes.Status204NoContent)]
     public async Task<ActionResult> PostCapabilities(
         [FromQuery] string? id,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] MediaType[] playableMediaTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] GeneralCommandType[] supportedCommands,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] MediaType[] playableMediaTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] GeneralCommandType[] supportedCommands,
         [FromQuery] bool supportsMediaControl = false,
         [FromQuery] bool supportsPersistentIdentifier = true)
     {

Jellyfin.Api/Controllers/StudiosController.cs

@@ -73,13 +73,13 @@ public class StudiosController : BaseJellyfinApiController
         [FromQuery] int? limit,
         [FromQuery] string? searchTerm,
         [FromQuery] Guid? parentId,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] excludeItemTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] includeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] excludeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] includeItemTypes,
         [FromQuery] bool? isFavorite,
         [FromQuery] bool? enableUserData,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes,
         [FromQuery] Guid? userId,
         [FromQuery] string? nameStartsWithOrGreater,
         [FromQuery] string? nameStartsWith,

Jellyfin.Api/Controllers/SuggestionsController.cs

@@ -59,8 +59,8 @@ public class SuggestionsController : BaseJellyfinApiController
     [ProducesResponseType(StatusCodes.Status200OK)]
     public ActionResult<QueryResult<BaseItemDto>> GetSuggestions(
         [FromQuery] Guid? userId,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] MediaType[] mediaType,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] type,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] MediaType[] mediaType,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] type,
         [FromQuery] int? startIndex,
         [FromQuery] int? limit,
         [FromQuery] bool enableTotalRecordCount = false)
@@ -115,8 +115,8 @@ public class SuggestionsController : BaseJellyfinApiController
     [ApiExplorerSettings(IgnoreApi = true)]
     public ActionResult<QueryResult<BaseItemDto>> GetSuggestionsLegacy(
         [FromRoute, Required] Guid userId,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] MediaType[] mediaType,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] type,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] MediaType[] mediaType,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] type,
         [FromQuery] int? startIndex,
         [FromQuery] int? limit,
         [FromQuery] bool enableTotalRecordCount = false)

Jellyfin.Api/Controllers/TrailersController.cs

@@ -130,8 +130,8 @@ public class TrailersController : BaseJellyfinApiController
         [FromQuery] bool? hasParentalRating,
         [FromQuery] bool? isHd,
         [FromQuery] bool? is4K,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] LocationType[] locationTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] LocationType[] excludeLocationTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] LocationType[] locationTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] LocationType[] excludeLocationTypes,
         [FromQuery] bool? isMissing,
         [FromQuery] bool? isUnaired,
         [FromQuery] double? minCommunityRating,
@@ -149,41 +149,41 @@ public class TrailersController : BaseJellyfinApiController
         [FromQuery] bool? isNews,
         [FromQuery] bool? isKids,
         [FromQuery] bool? isSports,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] excludeItemIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] excludeItemIds,
         [FromQuery] int? startIndex,
         [FromQuery] int? limit,
         [FromQuery] bool? recursive,
         [FromQuery] string? searchTerm,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] SortOrder[] sortOrder,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] SortOrder[] sortOrder,
         [FromQuery] Guid? parentId,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] excludeItemTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFilter[] filters,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] excludeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFilter[] filters,
         [FromQuery] bool? isFavorite,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] MediaType[] mediaTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] imageTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemSortBy[] sortBy,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] MediaType[] mediaTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] imageTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemSortBy[] sortBy,
         [FromQuery] bool? isPlayed,
-        [FromQuery, ModelBinder(typeof(PipeDelimitedArrayModelBinder))] string[] genres,
-        [FromQuery, ModelBinder(typeof(PipeDelimitedArrayModelBinder))] string[] officialRatings,
-        [FromQuery, ModelBinder(typeof(PipeDelimitedArrayModelBinder))] string[] tags,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] int[] years,
+        [FromQuery, ModelBinder(typeof(PipeDelimitedCollectionModelBinder))] string[] genres,
+        [FromQuery, ModelBinder(typeof(PipeDelimitedCollectionModelBinder))] string[] officialRatings,
+        [FromQuery, ModelBinder(typeof(PipeDelimitedCollectionModelBinder))] string[] tags,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] int[] years,
         [FromQuery] bool? enableUserData,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes,
         [FromQuery] string? person,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] personIds,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] string[] personTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] string[] studios,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] string[] artists,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] excludeArtistIds,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] artistIds,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] albumArtistIds,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] contributingArtistIds,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] string[] albums,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] albumIds,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] ids,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] VideoType[] videoTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] personIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] string[] personTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] string[] studios,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] string[] artists,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] excludeArtistIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] artistIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] albumArtistIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] contributingArtistIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] string[] albums,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] albumIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] ids,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] VideoType[] videoTypes,
         [FromQuery] string? minOfficialRating,
         [FromQuery] bool? isLocked,
         [FromQuery] bool? isPlaceHolder,
@@ -194,12 +194,12 @@ public class TrailersController : BaseJellyfinApiController
         [FromQuery] int? maxWidth,
         [FromQuery] int? maxHeight,
         [FromQuery] bool? is3D,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] SeriesStatus[] seriesStatus,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] SeriesStatus[] seriesStatus,
         [FromQuery] string? nameStartsWithOrGreater,
         [FromQuery] string? nameStartsWith,
         [FromQuery] string? nameLessThan,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] studioIds,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] genreIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] studioIds,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] genreIds,
         [FromQuery] bool enableTotalRecordCount = true,
         [FromQuery] bool? enableImages = true)
     {

Jellyfin.Api/Controllers/TvShowsController.cs

@@ -77,12 +77,12 @@ public class TvShowsController : BaseJellyfinApiController
         [FromQuery] Guid? userId,
         [FromQuery] int? startIndex,
         [FromQuery] int? limit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
         [FromQuery] Guid? seriesId,
         [FromQuery] Guid? parentId,
         [FromQuery] bool? enableImages,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes,
         [FromQuery] bool? enableUserData,
         [FromQuery] DateTime? nextUpDateCutoff,
         [FromQuery] bool enableTotalRecordCount = true,
@@ -143,11 +143,11 @@ public class TvShowsController : BaseJellyfinApiController
         [FromQuery] Guid? userId,
         [FromQuery] int? startIndex,
         [FromQuery] int? limit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
         [FromQuery] Guid? parentId,
         [FromQuery] bool? enableImages,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes,
         [FromQuery] bool? enableUserData)
     {
         userId = RequestHelpers.GetUserId(User, userId);
@@ -208,7 +208,7 @@ public class TvShowsController : BaseJellyfinApiController
     public ActionResult<QueryResult<BaseItemDto>> GetEpisodes(
         [FromRoute, Required] Guid seriesId,
         [FromQuery] Guid? userId,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
         [FromQuery] int? season,
         [FromQuery] Guid? seasonId,
         [FromQuery] bool? isMissing,
@@ -218,7 +218,7 @@ public class TvShowsController : BaseJellyfinApiController
         [FromQuery] int? limit,
         [FromQuery] bool? enableImages,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes,
         [FromQuery] bool? enableUserData,
         [FromQuery] ItemSortBy? sortBy)
     {
@@ -332,13 +332,13 @@ public class TvShowsController : BaseJellyfinApiController
     public ActionResult<QueryResult<BaseItemDto>> GetSeasons(
         [FromRoute, Required] Guid seriesId,
         [FromQuery] Guid? userId,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
         [FromQuery] bool? isSpecialSeason,
         [FromQuery] bool? isMissing,
         [FromQuery] Guid? adjacentTo,
         [FromQuery] bool? enableImages,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes,
         [FromQuery] bool? enableUserData)
     {
         userId = RequestHelpers.GetUserId(User, userId);

Jellyfin.Api/Controllers/UniversalAudioController.cs

@@ -98,7 +98,7 @@ public class UniversalAudioController : BaseJellyfinApiController
     [ProducesAudioFile]
     public async Task<ActionResult> GetUniversalAudioStream(
         [FromRoute, Required] Guid itemId,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] string[] container,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] string[] container,
         [FromQuery] string? mediaSourceId,
         [FromQuery] string? deviceId,
         [FromQuery] Guid? userId,

Jellyfin.Api/Controllers/UserLibraryController.cs

@@ -523,12 +523,12 @@ public class UserLibraryController : BaseJellyfinApiController
     public ActionResult<IEnumerable<BaseItemDto>> GetLatestMedia(
         [FromQuery] Guid? userId,
         [FromQuery] Guid? parentId,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] includeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] includeItemTypes,
         [FromQuery] bool? isPlayed,
         [FromQuery] bool? enableImages,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes,
         [FromQuery] bool? enableUserData,
         [FromQuery] int limit = 20,
         [FromQuery] bool groupItems = true)
@@ -608,12 +608,12 @@ public class UserLibraryController : BaseJellyfinApiController
     public ActionResult<IEnumerable<BaseItemDto>> GetLatestMediaLegacy(
         [FromRoute, Required] Guid userId,
         [FromQuery] Guid? parentId,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] includeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] includeItemTypes,
         [FromQuery] bool? isPlayed,
         [FromQuery] bool? enableImages,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes,
         [FromQuery] bool? enableUserData,
         [FromQuery] int limit = 20,
         [FromQuery] bool groupItems = true)

Jellyfin.Api/Controllers/UserViewsController.cs

@@ -66,7 +66,7 @@ public class UserViewsController : BaseJellyfinApiController
     public QueryResult<BaseItemDto> GetUserViews(
         [FromQuery] Guid? userId,
         [FromQuery] bool? includeExternalContent,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] CollectionType?[] presetViews,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] CollectionType?[] presetViews,
         [FromQuery] bool includeHidden = false)
     {
         userId = RequestHelpers.GetUserId(User, userId);
@@ -110,7 +110,7 @@ public class UserViewsController : BaseJellyfinApiController
     public QueryResult<BaseItemDto> GetUserViewsLegacy(
         [FromRoute, Required] Guid userId,
         [FromQuery] bool? includeExternalContent,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] CollectionType?[] presetViews,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] CollectionType?[] presetViews,
         [FromQuery] bool includeHidden = false)
         => GetUserViews(userId, includeExternalContent, presetViews, includeHidden);
 

Jellyfin.Api/Controllers/VideosController.cs

@@ -184,7 +184,7 @@ public class VideosController : BaseJellyfinApiController
     [Authorize(Policy = Policies.RequiresElevation)]
     [ProducesResponseType(StatusCodes.Status204NoContent)]
     [ProducesResponseType(StatusCodes.Status400BadRequest)]
-    public async Task<ActionResult> MergeVersions([FromQuery, Required, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] ids)
+    public async Task<ActionResult> MergeVersions([FromQuery, Required, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] Guid[] ids)
     {
         var userId = User.GetUserId();
         var items = ids

Jellyfin.Api/Controllers/YearsController.cs

@@ -72,16 +72,16 @@ public class YearsController : BaseJellyfinApiController
     public ActionResult<QueryResult<BaseItemDto>> GetYears(
         [FromQuery] int? startIndex,
         [FromQuery] int? limit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] SortOrder[] sortOrder,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] SortOrder[] sortOrder,
         [FromQuery] Guid? parentId,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] excludeItemTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] includeItemTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] MediaType[] mediaTypes,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemSortBy[] sortBy,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemFields[] fields,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] excludeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] BaseItemKind[] includeItemTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] MediaType[] mediaTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ItemSortBy[] sortBy,
         [FromQuery] bool? enableUserData,
         [FromQuery] int? imageTypeLimit,
-        [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes,
+        [FromQuery, ModelBinder(typeof(CommaDelimitedCollectionModelBinder))] ImageType[] enableImageTypes,
         [FromQuery] Guid? userId,
         [FromQuery] bool recursive = true,
         [FromQuery] bool? enableImages = true)

Jellyfin.Api/ModelBinders/CommaDelimitedArrayModelBinder.cs → Jellyfin.Api/ModelBinders/CommaDelimitedCollectionModelBinder.cs

@@ -8,18 +8,18 @@ using Microsoft.Extensions.Logging;
 namespace Jellyfin.Api.ModelBinders;
 
 /// <summary>
-/// Comma delimited array model binder.
+/// Comma delimited collection model binder.
 /// Returns an empty array of specified type if there is no query parameter.
 /// </summary>
-public class CommaDelimitedArrayModelBinder : IModelBinder
+public class CommaDelimitedCollectionModelBinder : IModelBinder
 {
-    private readonly ILogger<CommaDelimitedArrayModelBinder> _logger;
+    private readonly ILogger<CommaDelimitedCollectionModelBinder> _logger;
 
     /// <summary>
-    /// Initializes a new instance of the <see cref="CommaDelimitedArrayModelBinder"/> class.
+    /// Initializes a new instance of the <see cref="CommaDelimitedCollectionModelBinder"/> class.
     /// </summary>
-    /// <param name="logger">Instance of the <see cref="ILogger{CommaDelimitedArrayModelBinder}"/> interface.</param>
-    public CommaDelimitedArrayModelBinder(ILogger<CommaDelimitedArrayModelBinder> logger)
+    /// <param name="logger">Instance of the <see cref="ILogger{CommaDelimitedCollectionModelBinder}"/> interface.</param>
+    public CommaDelimitedCollectionModelBinder(ILogger<CommaDelimitedCollectionModelBinder> logger)
     {
         _logger = logger;
     }

Jellyfin.Api/ModelBinders/PipeDelimitedArrayModelBinder.cs → Jellyfin.Api/ModelBinders/PipeDelimitedCollectionModelBinder.cs

@@ -8,18 +8,18 @@ using Microsoft.Extensions.Logging;
 namespace Jellyfin.Api.ModelBinders;
 
 /// <summary>
-/// Comma delimited array model binder.
-/// Returns an empty array of specified type if there is no query parameter.
+/// Comma delimited collection model binder.
+/// Returns an empty collection of specified type if there is no query parameter.
 /// </summary>
-public class PipeDelimitedArrayModelBinder : IModelBinder
+public class PipeDelimitedCollectionModelBinder : IModelBinder
 {
-    private readonly ILogger<PipeDelimitedArrayModelBinder> _logger;
+    private readonly ILogger<PipeDelimitedCollectionModelBinder> _logger;
 
     /// <summary>
-    /// Initializes a new instance of the <see cref="PipeDelimitedArrayModelBinder"/> class.
+    /// Initializes a new instance of the <see cref="PipeDelimitedCollectionModelBinder"/> class.
     /// </summary>
-    /// <param name="logger">Instance of the <see cref="ILogger{PipeDelimitedArrayModelBinder}"/> interface.</param>
-    public PipeDelimitedArrayModelBinder(ILogger<PipeDelimitedArrayModelBinder> logger)
+    /// <param name="logger">Instance of the <see cref="ILogger{PipeDelimitedCollectionModelBinder}"/> interface.</param>
+    public PipeDelimitedCollectionModelBinder(ILogger<PipeDelimitedCollectionModelBinder> logger)
     {
         _logger = logger;
     }

Jellyfin.Api/Models/LiveTvDtos/GetProgramsDto.cs

@@ -17,7 +17,7 @@ public class GetProgramsDto
     /// <summary>
     /// Gets or sets the channels to return guide information for.
     /// </summary>
-    [JsonConverter(typeof(JsonCommaDelimitedArrayConverterFactory))]
+    [JsonConverter(typeof(JsonCommaDelimitedCollectionConverterFactory))]
     public IReadOnlyList<Guid>? ChannelIds { get; set; }
 
     /// <summary>
@@ -93,25 +93,25 @@ public class GetProgramsDto
     /// <summary>
     /// Gets or sets specify one or more sort orders, comma delimited. Options: Name, StartDate.
     /// </summary>
-    [JsonConverter(typeof(JsonCommaDelimitedArrayConverterFactory))]
+    [JsonConverter(typeof(JsonCommaDelimitedCollectionConverterFactory))]
     public IReadOnlyList<ItemSortBy>? SortBy { get; set; }
 
     /// <summary>
     /// Gets or sets sort order.
     /// </summary>
-    [JsonConverter(typeof(JsonCommaDelimitedArrayConverterFactory))]
+    [JsonConverter(typeof(JsonCommaDelimitedCollectionConverterFactory))]
     public IReadOnlyList<SortOrder>? SortOrder { get; set; }
 
     /// <summary>
     /// Gets or sets the genres to return guide information for.
     /// </summary>
-    [JsonConverter(typeof(JsonPipeDelimitedArrayConverterFactory))]
+    [JsonConverter(typeof(JsonPipeDelimitedCollectionConverterFactory))]
     public IReadOnlyList<string>? Genres { get; set; }
 
     /// <summary>
     /// Gets or sets the genre ids to return guide information for.
     /// </summary>
-    [JsonConverter(typeof(JsonCommaDelimitedArrayConverterFactory))]
+    [JsonConverter(typeof(JsonCommaDelimitedCollectionConverterFactory))]
     public IReadOnlyList<Guid>? GenreIds { get; set; }
 
     /// <summary>
@@ -133,7 +133,7 @@ public class GetProgramsDto
     /// <summary>
     /// Gets or sets the image types to include in the output.
     /// </summary>
-    [JsonConverter(typeof(JsonCommaDelimitedArrayConverterFactory))]
+    [JsonConverter(typeof(JsonCommaDelimitedCollectionConverterFactory))]
     public IReadOnlyList<ImageType>? EnableImageTypes { get; set; }
 
     /// <summary>
@@ -154,6 +154,6 @@ public class GetProgramsDto
     /// <summary>
     /// Gets or sets specify additional fields of information to return in the output.
     /// </summary>
-    [JsonConverter(typeof(JsonCommaDelimitedArrayConverterFactory))]
+    [JsonConverter(typeof(JsonCommaDelimitedCollectionConverterFactory))]
     public IReadOnlyList<ItemFields>? Fields { get; set; }
 }

Jellyfin.Api/Models/PlaylistDtos/CreatePlaylistDto.cs

@@ -20,7 +20,7 @@ public class CreatePlaylistDto
     /// <summary>
     /// Gets or sets item ids to add to the playlist.
     /// </summary>
-    [JsonConverter(typeof(JsonCommaDelimitedArrayConverterFactory))]
+    [JsonConverter(typeof(JsonCommaDelimitedCollectionConverterFactory))]
     public IReadOnlyList<Guid> Ids { get; set; } = [];
 
     /// <summary>

Jellyfin.Api/Models/PlaylistDtos/UpdatePlaylistDto.cs

@@ -19,7 +19,7 @@ public class UpdatePlaylistDto
     /// <summary>
     /// Gets or sets item ids of the playlist.
     /// </summary>
-    [JsonConverter(typeof(JsonCommaDelimitedArrayConverterFactory))]
+    [JsonConverter(typeof(JsonCommaDelimitedCollectionConverterFactory))]
     public IReadOnlyList<Guid>? Ids { get; set; }
 
     /// <summary>

MediaBrowser.Model/Dto/ClientCapabilitiesDto.cs

@@ -15,13 +15,13 @@ public class ClientCapabilitiesDto
     /// <summary>
     /// Gets or sets the list of playable media types.
     /// </summary>
-    [JsonConverter(typeof(JsonCommaDelimitedArrayConverterFactory))]
+    [JsonConverter(typeof(JsonCommaDelimitedCollectionConverterFactory))]
     public IReadOnlyList<MediaType> PlayableMediaTypes { get; set; } = [];
 
     /// <summary>
     /// Gets or sets the list of supported commands.
     /// </summary>
-    [JsonConverter(typeof(JsonCommaDelimitedArrayConverterFactory))]
+    [JsonConverter(typeof(JsonCommaDelimitedCollectionConverterFactory))]
     public IReadOnlyList<GeneralCommandType> SupportedCommands { get; set; } = [];
 
     /// <summary>

src/Jellyfin.Extensions/Json/Converters/JsonCommaDelimitedArrayConverter.cs → src/Jellyfin.Extensions/Json/Converters/JsonCommaDelimitedCollectionConverter.cs

@@ -1,15 +1,15 @@
 namespace Jellyfin.Extensions.Json.Converters
 {
     /// <summary>
-    /// Convert comma delimited string to array of type.
+    /// Convert comma delimited string to collection of type.
     /// </summary>
     /// <typeparam name="T">Type to convert to.</typeparam>
-    public sealed class JsonCommaDelimitedArrayConverter<T> : JsonDelimitedArrayConverter<T>
+    public sealed class JsonCommaDelimitedCollectionConverter<T> : JsonDelimitedCollectionConverter<T>
     {
         /// <summary>
-        /// Initializes a new instance of the <see cref="JsonCommaDelimitedArrayConverter{T}"/> class.
+        /// Initializes a new instance of the <see cref="JsonCommaDelimitedCollectionConverter{T}"/> class.
         /// </summary>
-        public JsonCommaDelimitedArrayConverter() : base()
+        public JsonCommaDelimitedCollectionConverter() : base()
         {
         }
 

src/Jellyfin.Extensions/Json/Converters/JsonCommaDelimitedArrayConverterFactory.cs → src/Jellyfin.Extensions/Json/Converters/JsonCommaDelimitedCollectionConverterFactory.cs

@@ -1,28 +1,31 @@
 using System;
+using System.Collections.Generic;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
 namespace Jellyfin.Extensions.Json.Converters
 {
     /// <summary>
-    /// Json comma delimited array converter factory.
+    /// Json comma delimited collection converter factory.
     /// </summary>
     /// <remarks>
     /// This must be applied as an attribute, adding to the JsonConverter list causes stack overflow.
     /// </remarks>
-    public class JsonCommaDelimitedArrayConverterFactory : JsonConverterFactory
+    public class JsonCommaDelimitedCollectionConverterFactory : JsonConverterFactory
     {
         /// <inheritdoc />
         public override bool CanConvert(Type typeToConvert)
         {
-            return true;
+            return typeToConvert.IsArray
+                || (typeToConvert.IsGenericType
+                    && (typeToConvert.GetGenericTypeDefinition().IsAssignableFrom(typeof(IReadOnlyCollection<>)) || typeToConvert.GetGenericTypeDefinition().IsAssignableFrom(typeof(IReadOnlyList<>))));
         }
 
         /// <inheritdoc />
         public override JsonConverter? CreateConverter(Type typeToConvert, JsonSerializerOptions options)
         {
             var structType = typeToConvert.GetElementType() ?? typeToConvert.GenericTypeArguments[0];
-            return (JsonConverter?)Activator.CreateInstance(typeof(JsonCommaDelimitedArrayConverter<>).MakeGenericType(structType));
+            return (JsonConverter?)Activator.CreateInstance(typeof(JsonCommaDelimitedCollectionConverter<>).MakeGenericType(structType));
         }
     }
 }

src/Jellyfin.Extensions/Json/Converters/JsonDelimitedArrayConverter.cs → src/Jellyfin.Extensions/Json/Converters/JsonDelimitedCollectionConverter.cs

@@ -10,14 +10,14 @@ namespace Jellyfin.Extensions.Json.Converters
     /// Convert delimited string to array of type.
     /// </summary>
     /// <typeparam name="T">Type to convert to.</typeparam>
-    public abstract class JsonDelimitedArrayConverter<T> : JsonConverter<T[]>
+    public abstract class JsonDelimitedCollectionConverter<T> : JsonConverter<IReadOnlyCollection<T>>
     {
         private readonly TypeConverter _typeConverter;
 
         /// <summary>
-        /// Initializes a new instance of the <see cref="JsonDelimitedArrayConverter{T}"/> class.
+        /// Initializes a new instance of the <see cref="JsonDelimitedCollectionConverter{T}"/> class.
         /// </summary>
-        protected JsonDelimitedArrayConverter()
+        protected JsonDelimitedCollectionConverter()
         {
             _typeConverter = TypeDescriptor.GetConverter(typeof(T));
         }
@@ -28,7 +28,7 @@ namespace Jellyfin.Extensions.Json.Converters
         protected virtual char Delimiter { get; }
 
         /// <inheritdoc />
-        public override T[]? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        public override IReadOnlyCollection<T>? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
         {
             if (reader.TokenType == JsonTokenType.String)
             {
@@ -56,35 +56,21 @@ namespace Jellyfin.Extensions.Json.Converters
                     }
                 }
 
-                return typedValues.ToArray();
+                if (typeToConvert.IsArray)
+                {
+                    return typedValues.ToArray();
+                }
+
+                return typedValues;
             }
 
             return JsonSerializer.Deserialize<T[]>(ref reader, options);
         }
 
         /// <inheritdoc />
-        public override void Write(Utf8JsonWriter writer, T[]? value, JsonSerializerOptions options)
+        public override void Write(Utf8JsonWriter writer, IReadOnlyCollection<T>? value, JsonSerializerOptions options)
         {
-            if (value is not null)
-            {
-                writer.WriteStartArray();
-                if (value.Length > 0)
-                {
-                    foreach (var it in value)
-                    {
-                        if (it is not null)
-                        {
-                            writer.WriteStringValue(it.ToString());
-                        }
-                    }
-                }
-
-                writer.WriteEndArray();
-            }
-            else
-            {
-                writer.WriteNullValue();
-            }
+            JsonSerializer.Serialize(writer, value, options);
         }
     }
 }

src/Jellyfin.Extensions/Json/Converters/JsonPipeDelimitedArrayConverter.cs → src/Jellyfin.Extensions/Json/Converters/JsonPipeDelimitedCollectionConverter.cs

@@ -4,12 +4,12 @@ namespace Jellyfin.Extensions.Json.Converters
     /// Convert Pipe delimited string to array of type.
     /// </summary>
     /// <typeparam name="T">Type to convert to.</typeparam>
-    public sealed class JsonPipeDelimitedArrayConverter<T> : JsonDelimitedArrayConverter<T>
+    public sealed class JsonPipeDelimitedCollectionConverter<T> : JsonDelimitedCollectionConverter<T>
     {
         /// <summary>
-        /// Initializes a new instance of the <see cref="JsonPipeDelimitedArrayConverter{T}"/> class.
+        /// Initializes a new instance of the <see cref="JsonPipeDelimitedCollectionConverter{T}"/> class.
         /// </summary>
-        public JsonPipeDelimitedArrayConverter() : base()
+        public JsonPipeDelimitedCollectionConverter() : base()
         {
         }
 

src/Jellyfin.Extensions/Json/Converters/JsonPipeDelimitedArrayConverterFactory.cs → src/Jellyfin.Extensions/Json/Converters/JsonPipeDelimitedCollectionConverterFactory.cs

@@ -1,28 +1,31 @@
 using System;
+using System.Collections.Generic;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
 namespace Jellyfin.Extensions.Json.Converters
 {
     /// <summary>
-    /// Json Pipe delimited array converter factory.
+    /// Json Pipe delimited collection converter factory.
     /// </summary>
     /// <remarks>
     /// This must be applied as an attribute, adding to the JsonConverter list causes stack overflow.
     /// </remarks>
-    public class JsonPipeDelimitedArrayConverterFactory : JsonConverterFactory
+    public class JsonPipeDelimitedCollectionConverterFactory : JsonConverterFactory
     {
         /// <inheritdoc />
         public override bool CanConvert(Type typeToConvert)
         {
-            return true;
+            return typeToConvert.IsArray
+                || (typeToConvert.IsGenericType
+                    && (typeToConvert.GetGenericTypeDefinition().IsAssignableFrom(typeof(IReadOnlyCollection<>)) || typeToConvert.GetGenericTypeDefinition().IsAssignableFrom(typeof(IReadOnlyList<>))));
         }
 
         /// <inheritdoc />
         public override JsonConverter? CreateConverter(Type typeToConvert, JsonSerializerOptions options)
         {
             var structType = typeToConvert.GetElementType() ?? typeToConvert.GenericTypeArguments[0];
-            return (JsonConverter?)Activator.CreateInstance(typeof(JsonPipeDelimitedArrayConverter<>).MakeGenericType(structType));
+            return (JsonConverter?)Activator.CreateInstance(typeof(JsonPipeDelimitedCollectionConverter<>).MakeGenericType(structType));
         }
     }
 }

tests/Jellyfin.Api.Tests/ModelBinders/CommaDelimitedArrayModelBinderTests.cs → tests/Jellyfin.Api.Tests/ModelBinders/CommaDelimitedCollectionModelBinderTests.cs

@@ -12,7 +12,7 @@ using Xunit;
 
 namespace Jellyfin.Api.Tests.ModelBinders
 {
-    public sealed class CommaDelimitedArrayModelBinderTests
+    public sealed class CommaDelimitedCollectionModelBinderTests
     {
         [Fact]
         public async Task BindModelAsync_CorrectlyBindsValidCommaDelimitedStringArrayQuery()
@@ -22,7 +22,7 @@ namespace Jellyfin.Api.Tests.ModelBinders
             var queryParamString = "lol,xd";
             var queryParamType = typeof(string[]);
 
-            var modelBinder = new CommaDelimitedArrayModelBinder(new NullLogger<CommaDelimitedArrayModelBinder>());
+            var modelBinder = new CommaDelimitedCollectionModelBinder(new NullLogger<CommaDelimitedCollectionModelBinder>());
             var valueProvider = new QueryStringValueProvider(
                     new BindingSource(string.Empty, string.Empty, false, false),
                     new QueryCollection(new Dictionary<string, StringValues> { { queryParamName, new StringValues(queryParamString) } }),
@@ -47,7 +47,7 @@ namespace Jellyfin.Api.Tests.ModelBinders
             var queryParamString = "42,0";
             var queryParamType = typeof(int[]);
 
-            var modelBinder = new CommaDelimitedArrayModelBinder(new NullLogger<CommaDelimitedArrayModelBinder>());
+            var modelBinder = new CommaDelimitedCollectionModelBinder(new NullLogger<CommaDelimitedCollectionModelBinder>());
             var valueProvider = new QueryStringValueProvider(
                     new BindingSource(string.Empty, string.Empty, false, false),
                     new QueryCollection(new Dictionary<string, StringValues> { { queryParamName, new StringValues(queryParamString) } }),
@@ -72,7 +72,7 @@ namespace Jellyfin.Api.Tests.ModelBinders
             var queryParamString = "How,Much";
             var queryParamType = typeof(TestType[]);
 
-            var modelBinder = new CommaDelimitedArrayModelBinder(new NullLogger<CommaDelimitedArrayModelBinder>());
+            var modelBinder = new CommaDelimitedCollectionModelBinder(new NullLogger<CommaDelimitedCollectionModelBinder>());
             var valueProvider = new QueryStringValueProvider(
                     new BindingSource(string.Empty, string.Empty, false, false),
                     new QueryCollection(new Dictionary<string, StringValues> { { queryParamName, new StringValues(queryParamString) } }),
@@ -97,7 +97,7 @@ namespace Jellyfin.Api.Tests.ModelBinders
             var queryParamString = "How,,Much";
             var queryParamType = typeof(TestType[]);
 
-            var modelBinder = new CommaDelimitedArrayModelBinder(new NullLogger<CommaDelimitedArrayModelBinder>());
+            var modelBinder = new CommaDelimitedCollectionModelBinder(new NullLogger<CommaDelimitedCollectionModelBinder>());
             var valueProvider = new QueryStringValueProvider(
                     new BindingSource(string.Empty, string.Empty, false, false),
                     new QueryCollection(new Dictionary<string, StringValues> { { queryParamName, new StringValues(queryParamString) } }),
@@ -123,7 +123,7 @@ namespace Jellyfin.Api.Tests.ModelBinders
             var queryParamString2 = "Much";
             var queryParamType = typeof(TestType[]);
 
-            var modelBinder = new CommaDelimitedArrayModelBinder(new NullLogger<CommaDelimitedArrayModelBinder>());
+            var modelBinder = new CommaDelimitedCollectionModelBinder(new NullLogger<CommaDelimitedCollectionModelBinder>());
 
             var valueProvider = new QueryStringValueProvider(
                     new BindingSource(string.Empty, string.Empty, false, false),
@@ -151,7 +151,7 @@ namespace Jellyfin.Api.Tests.ModelBinders
             IReadOnlyList<TestType> queryParamValues = Array.Empty<TestType>();
             var queryParamType = typeof(TestType[]);
 
-            var modelBinder = new CommaDelimitedArrayModelBinder(new NullLogger<CommaDelimitedArrayModelBinder>());
+            var modelBinder = new CommaDelimitedCollectionModelBinder(new NullLogger<CommaDelimitedCollectionModelBinder>());
 
             var valueProvider = new QueryStringValueProvider(
                     new BindingSource(string.Empty, string.Empty, false, false),
@@ -179,7 +179,7 @@ namespace Jellyfin.Api.Tests.ModelBinders
             var queryParamString = "🔥,😢";
             var queryParamType = typeof(IReadOnlyList<TestType>);
 
-            var modelBinder = new CommaDelimitedArrayModelBinder(new NullLogger<CommaDelimitedArrayModelBinder>());
+            var modelBinder = new CommaDelimitedCollectionModelBinder(new NullLogger<CommaDelimitedCollectionModelBinder>());
             var valueProvider = new QueryStringValueProvider(
                     new BindingSource(string.Empty, string.Empty, false, false),
                     new QueryCollection(new Dictionary<string, StringValues> { { queryParamName, new StringValues(queryParamString) } }),
@@ -205,7 +205,7 @@ namespace Jellyfin.Api.Tests.ModelBinders
             var queryParamString2 = "😱";
             var queryParamType = typeof(IReadOnlyList<TestType>);
 
-            var modelBinder = new CommaDelimitedArrayModelBinder(new NullLogger<CommaDelimitedArrayModelBinder>());
+            var modelBinder = new CommaDelimitedCollectionModelBinder(new NullLogger<CommaDelimitedCollectionModelBinder>());
 
             var valueProvider = new QueryStringValueProvider(
                     new BindingSource(string.Empty, string.Empty, false, false),

tests/Jellyfin.Api.Tests/ModelBinders/PipeDelimitedArrayModelBinderTests.cs → tests/Jellyfin.Api.Tests/ModelBinders/PipeDelimitedCollectionModelBinderTests.cs

@@ -12,7 +12,7 @@ using Xunit;
 
 namespace Jellyfin.Api.Tests.ModelBinders
 {
-    public sealed class PipeDelimitedArrayModelBinderTests
+    public sealed class PipeDelimitedCollectionModelBinderTests
     {
         [Fact]
         public async Task BindModelAsync_CorrectlyBindsValidPipeDelimitedStringArrayQuery()
@@ -22,7 +22,7 @@ namespace Jellyfin.Api.Tests.ModelBinders
             var queryParamString = "lol|xd";
             var queryParamType = typeof(string[]);
 
-            var modelBinder = new PipeDelimitedArrayModelBinder(new NullLogger<PipeDelimitedArrayModelBinder>());
+            var modelBinder = new PipeDelimitedCollectionModelBinder(new NullLogger<PipeDelimitedCollectionModelBinder>());
             var valueProvider = new QueryStringValueProvider(
                     new BindingSource(string.Empty, string.Empty, false, false),
                     new QueryCollection(new Dictionary<string, StringValues> { { queryParamName, new StringValues(queryParamString) } }),
@@ -47,7 +47,7 @@ namespace Jellyfin.Api.Tests.ModelBinders
             var queryParamString = "42|0";
             var queryParamType = typeof(int[]);
 
-            var modelBinder = new PipeDelimitedArrayModelBinder(new NullLogger<PipeDelimitedArrayModelBinder>());
+            var modelBinder = new PipeDelimitedCollectionModelBinder(new NullLogger<PipeDelimitedCollectionModelBinder>());
             var valueProvider = new QueryStringValueProvider(
                     new BindingSource(string.Empty, string.Empty, false, false),
                     new QueryCollection(new Dictionary<string, StringValues> { { queryParamName, new StringValues(queryParamString) } }),
@@ -72,7 +72,7 @@ namespace Jellyfin.Api.Tests.ModelBinders
             var queryParamString = "How|Much";
             var queryParamType = typeof(TestType[]);
 
-            var modelBinder = new PipeDelimitedArrayModelBinder(new NullLogger<PipeDelimitedArrayModelBinder>());
+            var modelBinder = new PipeDelimitedCollectionModelBinder(new NullLogger<PipeDelimitedCollectionModelBinder>());
             var valueProvider = new QueryStringValueProvider(
                     new BindingSource(string.Empty, string.Empty, false, false),
                     new QueryCollection(new Dictionary<string, StringValues> { { queryParamName, new StringValues(queryParamString) } }),
@@ -97,7 +97,7 @@ namespace Jellyfin.Api.Tests.ModelBinders
             var queryParamString = "How||Much";
             var queryParamType = typeof(TestType[]);
 
-            var modelBinder = new PipeDelimitedArrayModelBinder(new NullLogger<PipeDelimitedArrayModelBinder>());
+            var modelBinder = new PipeDelimitedCollectionModelBinder(new NullLogger<PipeDelimitedCollectionModelBinder>());
             var valueProvider = new QueryStringValueProvider(
                     new BindingSource(string.Empty, string.Empty, false, false),
                     new QueryCollection(new Dictionary<string, StringValues> { { queryParamName, new StringValues(queryParamString) } }),
@@ -123,7 +123,7 @@ namespace Jellyfin.Api.Tests.ModelBinders
             var queryParamString2 = "Much";
             var queryParamType = typeof(TestType[]);
 
-            var modelBinder = new PipeDelimitedArrayModelBinder(new NullLogger<PipeDelimitedArrayModelBinder>());
+            var modelBinder = new PipeDelimitedCollectionModelBinder(new NullLogger<PipeDelimitedCollectionModelBinder>());
 
             var valueProvider = new QueryStringValueProvider(
                     new BindingSource(string.Empty, string.Empty, false, false),
@@ -151,7 +151,7 @@ namespace Jellyfin.Api.Tests.ModelBinders
             IReadOnlyList<TestType> queryParamValues = Array.Empty<TestType>();
             var queryParamType = typeof(TestType[]);
 
-            var modelBinder = new PipeDelimitedArrayModelBinder(new NullLogger<PipeDelimitedArrayModelBinder>());
+            var modelBinder = new PipeDelimitedCollectionModelBinder(new NullLogger<PipeDelimitedCollectionModelBinder>());
 
             var valueProvider = new QueryStringValueProvider(
                     new BindingSource(string.Empty, string.Empty, false, false),
@@ -179,7 +179,7 @@ namespace Jellyfin.Api.Tests.ModelBinders
             var queryParamString = "🔥|😢";
             var queryParamType = typeof(IReadOnlyList<TestType>);
 
-            var modelBinder = new PipeDelimitedArrayModelBinder(new NullLogger<PipeDelimitedArrayModelBinder>());
+            var modelBinder = new PipeDelimitedCollectionModelBinder(new NullLogger<PipeDelimitedCollectionModelBinder>());
             var valueProvider = new QueryStringValueProvider(
                     new BindingSource(string.Empty, string.Empty, false, false),
                     new QueryCollection(new Dictionary<string, StringValues> { { queryParamName, new StringValues(queryParamString) } }),
@@ -205,7 +205,7 @@ namespace Jellyfin.Api.Tests.ModelBinders
             var queryParamString2 = "😱";
             var queryParamType = typeof(IReadOnlyList<TestType>);
 
-            var modelBinder = new PipeDelimitedArrayModelBinder(new NullLogger<PipeDelimitedArrayModelBinder>());
+            var modelBinder = new PipeDelimitedCollectionModelBinder(new NullLogger<PipeDelimitedCollectionModelBinder>());
 
             var valueProvider = new QueryStringValueProvider(
                     new BindingSource(string.Empty, string.Empty, false, false),

tests/Jellyfin.Extensions.Tests/Json/Converters/JsonCommaDelimitedArrayTests.cs → tests/Jellyfin.Extensions.Tests/Json/Converters/JsonCommaDelimitedCollectionTests.cs

@@ -1,4 +1,7 @@
 using System;
+using System.Collections.Generic;
+using System.Collections.Immutable;
+using System.Linq;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using Jellyfin.Extensions.Tests.Json.Models;
@@ -7,7 +10,7 @@ using Xunit;
 
 namespace Jellyfin.Extensions.Tests.Json.Converters
 {
-    public class JsonCommaDelimitedArrayTests
+    public class JsonCommaDelimitedCollectionTests
     {
         private readonly JsonSerializerOptions _jsonOptions = new JsonSerializerOptions()
         {
@@ -36,6 +39,29 @@ namespace Jellyfin.Extensions.Tests.Json.Converters
             Assert.Equal(desiredValue.Value, value?.Value);
         }
 
+        [Fact]
+        public void Deserialize_EmptyList_Success()
+        {
+            var desiredValue = new GenericBodyListModel<string>
+            {
+                Value = []
+            };
+
+            Assert.Throws<InvalidOperationException>(() => JsonSerializer.Deserialize<GenericBodyListModel<string>>(@"{ ""Value"": """" }", _jsonOptions));
+        }
+
+        [Fact]
+        public void Deserialize_EmptyIReadOnlyList_Success()
+        {
+            var desiredValue = new GenericBodyIReadOnlyListModel<string>
+            {
+                Value = []
+            };
+
+            var value = JsonSerializer.Deserialize<GenericBodyIReadOnlyListModel<string>>(@"{ ""Value"": """" }", _jsonOptions);
+            Assert.Equal(desiredValue.Value, value?.Value);
+        }
+
         [Fact]
         public void Deserialize_String_Valid_Success()
         {
@@ -48,6 +74,17 @@ namespace Jellyfin.Extensions.Tests.Json.Converters
             Assert.Equal(desiredValue.Value, value?.Value);
         }
 
+        [Fact]
+        public void Deserialize_StringList_Valid_Success()
+        {
+            var desiredValue = new GenericBodyListModel<string>
+            {
+                Value = ["a", "b", "c"]
+            };
+
+            Assert.Throws<InvalidOperationException>(() => JsonSerializer.Deserialize<GenericBodyListModel<string>>(@"{ ""Value"": ""a,b,c"" }", _jsonOptions));
+        }
+
         [Fact]
         public void Deserialize_String_Space_Valid_Success()
         {
@@ -131,5 +168,41 @@ namespace Jellyfin.Extensions.Tests.Json.Converters
             var value = JsonSerializer.Deserialize<GenericBodyArrayModel<GeneralCommandType>>(@"{ ""Value"": [""MoveUp"", ""MoveDown""] }", _jsonOptions);
             Assert.Equal(desiredValue.Value, value?.Value);
         }
+
+        [Fact]
+        public void Serialize_GenericCommandType_ReadOnlyArray_Valid_Success()
+        {
+            var valueToSerialize = new GenericBodyIReadOnlyCollectionModel<GeneralCommandType>
+            {
+                Value = new[] { GeneralCommandType.MoveUp, GeneralCommandType.MoveDown }.AsReadOnly()
+            };
+
+            string value = JsonSerializer.Serialize<GenericBodyIReadOnlyCollectionModel<GeneralCommandType>>(valueToSerialize, _jsonOptions);
+            Assert.Equal(@"{""Value"":[""MoveUp"",""MoveDown""]}", value);
+        }
+
+        [Fact]
+        public void Serialize_GenericCommandType_ImmutableArrayArray_Valid_Success()
+        {
+            var valueToSerialize = new GenericBodyIReadOnlyCollectionModel<GeneralCommandType>
+            {
+                Value = ImmutableArray.Create(new[] { GeneralCommandType.MoveUp, GeneralCommandType.MoveDown })
+            };
+
+            string value = JsonSerializer.Serialize<GenericBodyIReadOnlyCollectionModel<GeneralCommandType>>(valueToSerialize, _jsonOptions);
+            Assert.Equal(@"{""Value"":[""MoveUp"",""MoveDown""]}", value);
+        }
+
+        [Fact]
+        public void Serialize_GenericCommandType_List_Valid_Success()
+        {
+            var valueToSerialize = new GenericBodyIReadOnlyListModel<GeneralCommandType>
+            {
+                Value = new List<GeneralCommandType> { GeneralCommandType.MoveUp, GeneralCommandType.MoveDown }
+            };
+
+            string value = JsonSerializer.Serialize<GenericBodyIReadOnlyListModel<GeneralCommandType>>(valueToSerialize, _jsonOptions);
+            Assert.Equal(@"{""Value"":[""MoveUp"",""MoveDown""]}", value);
+        }
     }
 }

tests/Jellyfin.Extensions.Tests/Json/Converters/JsonCommaDelimitedIReadOnlyListTests.cs

@@ -1,3 +1,4 @@
+using System.Collections.Generic;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using Jellyfin.Extensions.Tests.Json.Models;
@@ -87,5 +88,17 @@ namespace Jellyfin.Extensions.Tests.Json.Converters
             var value = JsonSerializer.Deserialize<GenericBodyIReadOnlyListModel<GeneralCommandType>>(@"{ ""Value"": [""MoveUp"", ""MoveDown""] }", _jsonOptions);
             Assert.Equal(desiredValue.Value, value?.Value);
         }
+
+        [Fact]
+        public void Serialize_GenericCommandType_IReadOnlyList_Valid_Success()
+        {
+            var valueToSerialize = new GenericBodyIReadOnlyListModel<GeneralCommandType>
+            {
+                Value = new List<GeneralCommandType> { GeneralCommandType.MoveUp, GeneralCommandType.MoveDown }
+            };
+
+            string value = JsonSerializer.Serialize<GenericBodyIReadOnlyListModel<GeneralCommandType>>(valueToSerialize, _jsonOptions);
+            Assert.Equal(@"{""Value"":[""MoveUp"",""MoveDown""]}", value);
+        }
     }
 }

tests/Jellyfin.Extensions.Tests/Json/Models/GenericBodyArrayModel.cs

@@ -14,7 +14,7 @@ namespace Jellyfin.Extensions.Tests.Json.Models
         /// Gets or sets the value.
         /// </summary>
         [SuppressMessage("Microsoft.Performance", "CA1819:Properties should not return arrays", MessageId = "Value", Justification = "Imported from ServiceStack")]
-        [JsonConverter(typeof(JsonCommaDelimitedArrayConverterFactory))]
+        [JsonConverter(typeof(JsonCommaDelimitedCollectionConverterFactory))]
         public T[] Value { get; set; } = default!;
     }
 }

tests/Jellyfin.Extensions.Tests/Json/Models/GenericBodyIReadOnlyCollectionModel.cs

@@ -0,0 +1,19 @@
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Jellyfin.Extensions.Json.Converters;
+
+namespace Jellyfin.Extensions.Tests.Json.Models
+{
+    /// <summary>
+    /// The generic body <c>IReadOnlyCollection</c> model.
+    /// </summary>
+    /// <typeparam name="T">The value type.</typeparam>
+    public sealed class GenericBodyIReadOnlyCollectionModel<T>
+    {
+        /// <summary>
+        /// Gets or sets the value.
+        /// </summary>
+        [JsonConverter(typeof(JsonCommaDelimitedCollectionConverterFactory))]
+        public IReadOnlyCollection<T> Value { get; set; } = default!;
+    }
+}

tests/Jellyfin.Extensions.Tests/Json/Models/GenericBodyIReadOnlyListModel.cs

@@ -13,7 +13,7 @@ namespace Jellyfin.Extensions.Tests.Json.Models
         /// <summary>
         /// Gets or sets the value.
         /// </summary>
-        [JsonConverter(typeof(JsonCommaDelimitedArrayConverterFactory))]
+        [JsonConverter(typeof(JsonCommaDelimitedCollectionConverterFactory))]
         public IReadOnlyList<T> Value { get; set; } = default!;
     }
 }

tests/Jellyfin.Extensions.Tests/Json/Models/GenericBodyListModel.cs

@@ -0,0 +1,22 @@
+#pragma warning disable CA1002 // Do not expose generic lists
+#pragma warning disable CA2227 // Collection properties should be read only
+
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Jellyfin.Extensions.Json.Converters;
+
+namespace Jellyfin.Extensions.Tests.Json.Models
+{
+    /// <summary>
+    /// The generic body <c>List</c> model.
+    /// </summary>
+    /// <typeparam name="T">The value type.</typeparam>
+    public sealed class GenericBodyListModel<T>
+    {
+        /// <summary>
+        /// Gets or sets the value.
+        /// </summary>
+        [JsonConverter(typeof(JsonCommaDelimitedCollectionConverterFactory))]
+        public List<T> Value { get; set; } = default!;
+    }
+}