Use Guid as API parameter type where possible

1 files changed, 12 insertions, 13 deletions

diff --git a/Jellyfin.Api/Controllers/ArtistsController.cs b/Jellyfin.Api/Controllers/ArtistsController.cs
index c65dc8620..cdac009d4 100644
--- a/Jellyfin.Api/Controllers/ArtistsController.cs
+++ b/Jellyfin.Api/Controllers/ArtistsController.cs
@@ -3,7 +3,6 @@ using System.ComponentModel.DataAnnotations;
 using System.Linq;
 using Jellyfin.Api.Constants;
 using Jellyfin.Api.Extensions;
-using Jellyfin.Api.Helpers;
 using Jellyfin.Api.ModelBinders;
 using Jellyfin.Data.Entities;
 using MediaBrowser.Controller.Dto;
@@ -87,7 +86,7 @@ namespace Jellyfin.Api.Controllers
             [FromQuery] int? startIndex,
             [FromQuery] int? limit,
             [FromQuery] string? searchTerm,
-            [FromQuery] string? parentId,
+            [FromQuery] Guid? parentId,
             [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
             [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] string[] excludeItemTypes,
             [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] string[] includeItemTypes,
@@ -124,11 +123,11 @@ namespace Jellyfin.Api.Controllers
             if (userId.HasValue && !userId.Equals(Guid.Empty))
             {
                 user = _userManager.GetUserById(userId.Value);
-                parentItem = string.IsNullOrEmpty(parentId) ? _libraryManager.GetUserRootFolder() : _libraryManager.GetItemById(parentId);
+                parentItem = parentId.HasValue ? _libraryManager.GetItemById(parentId.Value) : _libraryManager.GetUserRootFolder();
             }
             else
             {
-                parentItem = string.IsNullOrEmpty(parentId) ? _libraryManager.RootFolder : _libraryManager.GetItemById(parentId);
+                parentItem = parentId.HasValue ? _libraryManager.GetItemById(parentId.Value) : _libraryManager.RootFolder;
             }
 
             var query = new InternalItemsQuery(user)
@@ -157,15 +156,15 @@ namespace Jellyfin.Api.Controllers
                 EnableTotalRecordCount = enableTotalRecordCount
             };
 
-            if (!string.IsNullOrWhiteSpace(parentId))
+            if (parentId.HasValue)
             {
                 if (parentItem is Folder)
                 {
-                    query.AncestorIds = new[] { new Guid(parentId) };
+                    query.AncestorIds = new[] { parentId.Value };
                 }
                 else
                 {
-                    query.ItemIds = new[] { new Guid(parentId) };
+                    query.ItemIds = new[] { parentId.Value };
                 }
             }
 
@@ -291,7 +290,7 @@ namespace Jellyfin.Api.Controllers
             [FromQuery] int? startIndex,
             [FromQuery] int? limit,
             [FromQuery] string? searchTerm,
-            [FromQuery] string? parentId,
+            [FromQuery] Guid? parentId,
             [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
             [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] string[] excludeItemTypes,
             [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] string[] includeItemTypes,
@@ -328,11 +327,11 @@ namespace Jellyfin.Api.Controllers
             if (userId.HasValue && !userId.Equals(Guid.Empty))
             {
                 user = _userManager.GetUserById(userId.Value);
-                parentItem = string.IsNullOrEmpty(parentId) ? _libraryManager.GetUserRootFolder() : _libraryManager.GetItemById(parentId);
+                parentItem = parentId.HasValue ? _libraryManager.GetItemById(parentId.Value) : _libraryManager.GetUserRootFolder();
             }
             else
             {
-                parentItem = string.IsNullOrEmpty(parentId) ? _libraryManager.RootFolder : _libraryManager.GetItemById(parentId);
+                parentItem = parentId.HasValue ? _libraryManager.GetItemById(parentId.Value) : _libraryManager.RootFolder;
             }
 
             var query = new InternalItemsQuery(user)
@@ -361,15 +360,15 @@ namespace Jellyfin.Api.Controllers
                 EnableTotalRecordCount = enableTotalRecordCount
             };
 
-            if (!string.IsNullOrWhiteSpace(parentId))
+            if (parentId.HasValue)
             {
                 if (parentItem is Folder)
                 {
-                    query.AncestorIds = new[] { new Guid(parentId) };
+                    query.AncestorIds = new[] { parentId.Value };
                 }
                 else
                 {
-                    query.ItemIds = new[] { new Guid(parentId) };
+                    query.ItemIds = new[] { parentId.Value };
                 }
             }