Merge pull request #5301 from Bond-009/validinput

(cherry picked from commit 5860979500)
Signed-off-by: Joshua M. Boniface <joshua@boniface.me>

Emby.Server.Implementations/Collections/CollectionManager.cs

@@ -107,7 +107,7 @@ namespace Emby.Server.Implementations.Collections
 
             var name = _localizationManager.GetLocalizedString("Collections");
 
-            await _libraryManager.AddVirtualFolder(name, CollectionType.BoxSets, libraryOptions, true).ConfigureAwait(false);
+            await _libraryManager.AddVirtualFolder(name, CollectionTypeOptions.BoxSets, libraryOptions, true).ConfigureAwait(false);
 
             return FindFolders(path).First();
         }

Emby.Server.Implementations/Library/LibraryManager.cs

@@ -1240,11 +1240,20 @@ namespace Emby.Server.Implementations.Library
             return info;
         }
 
-        private string GetCollectionType(string path)
+        private CollectionTypeOptions? GetCollectionType(string path)
         {
-            return _fileSystem.GetFilePaths(path, new[] { ".collection" }, true, false)
+            var files = _fileSystem.GetFilePaths(path, new[] { ".collection" }, true, false);
-                .Select(Path.GetFileNameWithoutExtension)
+            foreach (var file in files)
-                .FirstOrDefault(i => !string.IsNullOrEmpty(i));
+            {
+                // TODO: @bond use a ReadOnlySpan<char> here when Enum.TryParse supports it
+                // https://github.com/dotnet/runtime/issues/20008
+                if (Enum.TryParse<CollectionTypeOptions>(Path.GetExtension(file), true, out var res))
+                {
+                    return res;
+                }
+            }
+
+            return null;
         }
 
         /// <summary>
@@ -2956,7 +2965,7 @@ namespace Emby.Server.Implementations.Library
             throw new InvalidOperationException();
         }
 
-        public async Task AddVirtualFolder(string name, string collectionType, LibraryOptions options, bool refreshLibrary)
+        public async Task AddVirtualFolder(string name, CollectionTypeOptions? collectionType, LibraryOptions options, bool refreshLibrary)
         {
             if (string.IsNullOrWhiteSpace(name))
             {
@@ -2990,9 +2999,9 @@ namespace Emby.Server.Implementations.Library
             {
                 Directory.CreateDirectory(virtualFolderPath);
 
-                if (!string.IsNullOrEmpty(collectionType))
+                if (collectionType != null)
                 {
-                    var path = Path.Combine(virtualFolderPath, collectionType + ".collection");
+                    var path = Path.Combine(virtualFolderPath, collectionType.ToString() + ".collection");
 
                     File.WriteAllBytes(path, Array.Empty<byte>());
                 }

Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs

@@ -2608,7 +2608,7 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
                 {
                     Locations = new string[] { customPath },
                     Name = "Recorded Movies",
-                    CollectionType = CollectionType.Movies
+                    CollectionType = CollectionTypeOptions.Movies
                 };
             }
 
@@ -2619,7 +2619,7 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
                 {
                     Locations = new string[] { customPath },
                     Name = "Recorded Shows",
-                    CollectionType = CollectionType.TvShows
+                    CollectionType = CollectionTypeOptions.TvShows
                 };
             }
         }

Jellyfin.Api/Controllers/LibraryStructureController.cs

@@ -75,7 +75,7 @@ namespace Jellyfin.Api.Controllers
         [ProducesResponseType(StatusCodes.Status204NoContent)]
         public async Task<ActionResult> AddVirtualFolder(
             [FromQuery] string? name,
-            [FromQuery] string? collectionType,
+            [FromQuery] CollectionTypeOptions? collectionType,
             [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] string[] paths,
             [FromBody] AddVirtualFolderDto? libraryOptionsDto,
             [FromQuery] bool refreshLibrary = false)

MediaBrowser.Controller/Library/ILibraryManager.cs

@@ -542,7 +542,7 @@ namespace MediaBrowser.Controller.Library
 
         Guid GetMusicGenreId(string name);
 
-        Task AddVirtualFolder(string name, string collectionType, LibraryOptions options, bool refreshLibrary);
+        Task AddVirtualFolder(string name, CollectionTypeOptions? collectionType, LibraryOptions options, bool refreshLibrary);
 
         Task RemoveVirtualFolder(string name, bool refreshLibrary);
 

MediaBrowser.Model/Entities/CollectionTypeOptions.cs

@@ -0,0 +1,16 @@
+#pragma warning disable CS1591
+
+namespace MediaBrowser.Model.Entities
+{
+    public enum CollectionTypeOptions
+    {
+        Movies = 0,
+        TvShows = 1,
+        Music = 2,
+        MusicVideos = 3,
+        HomeVideos = 4,
+        BoxSets = 5,
+        Books = 6,
+        Mixed = 7
+    }
+}

MediaBrowser.Model/Entities/VirtualFolderInfo.cs

@@ -27,7 +27,7 @@ namespace MediaBrowser.Model.Entities
         /// Gets or sets the type of the collection.
         /// </summary>
         /// <value>The type of the collection.</value>
-        public string CollectionType { get; set; }
+        public CollectionTypeOptions? CollectionType { get; set; }
 
         public LibraryOptions LibraryOptions { get; set; }