Continue Watching With Multiple Local Versions Fix

Emby.Server.Implementations/Data/SqliteUserDataRepository.cs

@@ -284,6 +284,32 @@ public UserItemData GetUserData(long userId, string key)
             }
         }
 
+        public UserItemData GetUserDataByPresentationUniqueKey(long userId, string key)
+        {
+            if (userId <= 0)
+            {
+                throw new ArgumentNullException(nameof(userId));
+            }
+
+            ArgumentException.ThrowIfNullOrEmpty(key);
+
+            using (var connection = GetConnection())
+            {
+                using (var statement = connection.PrepareStatement("select key,userid,rating,played,playCount,isFavorite,playbackPositionTicks,lastPlayedDate,AudioStreamIndex,SubtitleStreamIndex from UserDatas where REPLACE(Key, '-', '')=@Key and userId=@UserId"))
+                {
+                    statement.TryBind("@UserId", userId);
+                    statement.TryBind("@Key", key);
+
+                    foreach (var row in statement.ExecuteQuery())
+                    {
+                        return ReadRow(row);
+                    }
+                }
+
+                return null;
+            }
+        }
+
         public UserItemData GetUserData(long userId, List<string> keys)
         {
             ArgumentNullException.ThrowIfNull(keys);

Emby.Server.Implementations/Library/UserDataManager.cs

@@ -175,6 +175,12 @@ public UserItemData GetUserData(User user, BaseItem item)
         public UserItemDataDto GetUserDataDto(BaseItem item, User user)
             => GetUserDataDto(item, null, user, new DtoOptions());
 
+        /// <inheritdoc />
+        public UserItemData GetUserDataByPresentationUniqueKey(User user, BaseItem item)
+        {
+            return _repository.GetUserDataByPresentationUniqueKey(user.InternalId, item.PresentationUniqueKey);
+        }
+
         /// <inheritdoc />
         public UserItemDataDto GetUserDataDto(BaseItem item, BaseItemDto? itemDto, User user, DtoOptions options)
         {

Jellyfin.Api/Controllers/ItemsController.cs

@@ -891,6 +891,28 @@ public ActionResult<QueryResult<BaseItemDto>> GetResumeItems(
             ExcludeItemIds = excludeItemIds
         });
 
+        var videoItems = itemsResult.Items.Where(item => item.MediaType == MediaType.Video);
+
+        foreach (var videoItem in videoItems)
+        {
+            var childItemIds = ((Video)videoItem).GetLocalAlternateVersionIds();
+
+            foreach (var childItemId in childItemIds)
+            {
+                var item = _libraryManager.GetItemById(childItemId);
+
+                if (item != null)
+                {
+                    var userData = _userDataRepository.GetUserDataByPresentationUniqueKey(user, item);
+
+                    if (item != null && userData != null && userData.PlaybackPositionTicks > 0)
+                    {
+                        itemsResult.Items = itemsResult.Items.Append(item).ToList();
+                    }
+                }
+            }
+        }
+
         var returnItems = _dtoService.GetBaseItemDtos(itemsResult.Items, dtoOptions, user);
 
         return new QueryResult<BaseItemDto>(

MediaBrowser.Controller/Library/IUserDataManager.cs

@@ -46,6 +46,14 @@ public interface IUserDataManager
         /// <returns>User data.</returns>
         UserItemData GetUserData(User user, BaseItem item);
 
+        /// <summary>
+        /// Gets the user data by presentation unique key..
+        /// </summary>
+        /// <param name="user">User to use.</param>
+        /// <param name="item">Item to use.</param>
+        /// <returns>User data.</returns>
+        UserItemData GetUserDataByPresentationUniqueKey(User user, BaseItem item);
+
         /// <summary>
         /// Gets the user data dto.
         /// </summary>

MediaBrowser.Controller/Persistence/IUserDataRepository.cs

@@ -37,6 +37,14 @@ public interface IUserDataRepository : IDisposable
         /// <returns>The user data.</returns>
         UserItemData GetUserData(long userId, List<string> keys);
 
+        /// <summary>
+        /// Gets the user data.
+        /// </summary>
+        /// <param name="userId">The user id.</param>
+        /// <param name="key">The key.</param>
+        /// <returns>The user data.</returns>
+        UserItemData GetUserDataByPresentationUniqueKey(long userId, string key);
+
         /// <summary>
         /// Return all user data associated with the given user.
         /// </summary>