From 229a5d9e0bf99f9c6f741f654f1dbe0a7f975872 Mon Sep 17 00:00:00 2001
From: Patrick Barron <barronpm@gmail.com>
Date: Sat, 8 Aug 2020 13:39:49 -0400
Subject: [PATCH] Make DisplayPreferencesManager scoped

---
 .../DisplayPreferencesController.cs           |  4 +--
 .../Users/DisplayPreferencesManager.cs        | 36 ++++++-------------
 Jellyfin.Server/CoreAppHost.cs                |  2 +-
 .../IDisplayPreferencesManager.cs             | 11 ++----
 4 files changed, 15 insertions(+), 38 deletions(-)

diff --git a/Jellyfin.Api/Controllers/DisplayPreferencesController.cs b/Jellyfin.Api/Controllers/DisplayPreferencesController.cs
index c547d0cde3..c3b67eec3f 100644
--- a/Jellyfin.Api/Controllers/DisplayPreferencesController.cs
+++ b/Jellyfin.Api/Controllers/DisplayPreferencesController.cs
@@ -153,7 +153,6 @@ namespace Jellyfin.Api.Controllers
             {
                 var itemPreferences = _displayPreferencesManager.GetItemDisplayPreferences(existingDisplayPreferences.UserId, Guid.Parse(key.Substring("landing-".Length)), existingDisplayPreferences.Client);
                 itemPreferences.ViewType = Enum.Parse<ViewType>(displayPreferences.ViewType);
-                _displayPreferencesManager.SaveChanges(itemPreferences);
             }
 
             var itemPrefs = _displayPreferencesManager.GetItemDisplayPreferences(existingDisplayPreferences.UserId, Guid.Empty, existingDisplayPreferences.Client);
@@ -167,8 +166,7 @@ namespace Jellyfin.Api.Controllers
                 itemPrefs.ViewType = viewType;
             }
 
-            _displayPreferencesManager.SaveChanges(existingDisplayPreferences);
-            _displayPreferencesManager.SaveChanges(itemPrefs);
+            _displayPreferencesManager.SaveChanges();
 
             return NoContent();
         }
diff --git a/Jellyfin.Server.Implementations/Users/DisplayPreferencesManager.cs b/Jellyfin.Server.Implementations/Users/DisplayPreferencesManager.cs
index 7c5c5a3ec5..46f1c618f2 100644
--- a/Jellyfin.Server.Implementations/Users/DisplayPreferencesManager.cs
+++ b/Jellyfin.Server.Implementations/Users/DisplayPreferencesManager.cs
@@ -14,22 +14,21 @@ namespace Jellyfin.Server.Implementations.Users
     /// </summary>
     public class DisplayPreferencesManager : IDisplayPreferencesManager
     {
-        private readonly JellyfinDbProvider _dbProvider;
+        private readonly JellyfinDb _dbContext;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="DisplayPreferencesManager"/> class.
         /// </summary>
-        /// <param name="dbProvider">The Jellyfin db provider.</param>
-        public DisplayPreferencesManager(JellyfinDbProvider dbProvider)
+        /// <param name="dbContext">The database context.</param>
+        public DisplayPreferencesManager(JellyfinDb dbContext)
         {
-            _dbProvider = dbProvider;
+            _dbContext = dbContext;
         }
 
         /// <inheritdoc />
         public DisplayPreferences GetDisplayPreferences(Guid userId, string client)
         {
-            using var dbContext = _dbProvider.CreateContext();
-            var prefs = dbContext.DisplayPreferences
+            var prefs = _dbContext.DisplayPreferences
                 .Include(pref => pref.HomeSections)
                 .FirstOrDefault(pref =>
                     pref.UserId == userId && string.Equals(pref.Client, client));
@@ -37,7 +36,7 @@ namespace Jellyfin.Server.Implementations.Users
             if (prefs == null)
             {
                 prefs = new DisplayPreferences(userId, client);
-                dbContext.DisplayPreferences.Add(prefs);
+                _dbContext.DisplayPreferences.Add(prefs);
             }
 
             return prefs;
@@ -46,14 +45,13 @@ namespace Jellyfin.Server.Implementations.Users
         /// <inheritdoc />
         public ItemDisplayPreferences GetItemDisplayPreferences(Guid userId, Guid itemId, string client)
         {
-            using var dbContext = _dbProvider.CreateContext();
-            var prefs = dbContext.ItemDisplayPreferences
+            var prefs = _dbContext.ItemDisplayPreferences
                 .FirstOrDefault(pref => pref.UserId == userId && pref.ItemId == itemId && string.Equals(pref.Client, client));
 
             if (prefs == null)
             {
                 prefs = new ItemDisplayPreferences(userId, Guid.Empty, client);
-                dbContext.ItemDisplayPreferences.Add(prefs);
+                _dbContext.ItemDisplayPreferences.Add(prefs);
             }
 
             return prefs;
@@ -62,27 +60,15 @@ namespace Jellyfin.Server.Implementations.Users
         /// <inheritdoc />
         public IList<ItemDisplayPreferences> ListItemDisplayPreferences(Guid userId, string client)
         {
-            using var dbContext = _dbProvider.CreateContext();
-
-            return dbContext.ItemDisplayPreferences
+            return _dbContext.ItemDisplayPreferences
                 .Where(prefs => prefs.UserId == userId && prefs.ItemId != Guid.Empty && string.Equals(prefs.Client, client))
                 .ToList();
         }
 
         /// <inheritdoc />
-        public void SaveChanges(DisplayPreferences preferences)
+        public void SaveChanges()
         {
-            using var dbContext = _dbProvider.CreateContext();
-            dbContext.Update(preferences);
-            dbContext.SaveChanges();
-        }
-
-        /// <inheritdoc />
-        public void SaveChanges(ItemDisplayPreferences preferences)
-        {
-            using var dbContext = _dbProvider.CreateContext();
-            dbContext.Update(preferences);
-            dbContext.SaveChanges();
+            _dbContext.SaveChanges();
         }
     }
 }
diff --git a/Jellyfin.Server/CoreAppHost.cs b/Jellyfin.Server/CoreAppHost.cs
index 7b20bfb5af..6f2434422c 100644
--- a/Jellyfin.Server/CoreAppHost.cs
+++ b/Jellyfin.Server/CoreAppHost.cs
@@ -71,7 +71,7 @@ namespace Jellyfin.Server
 
             serviceCollection.AddSingleton<IActivityManager, ActivityManager>();
             serviceCollection.AddSingleton<IUserManager, UserManager>();
-            serviceCollection.AddSingleton<IDisplayPreferencesManager, DisplayPreferencesManager>();
+            serviceCollection.AddScoped<IDisplayPreferencesManager, DisplayPreferencesManager>();
 
             base.RegisterServices(serviceCollection);
         }
diff --git a/MediaBrowser.Controller/IDisplayPreferencesManager.cs b/MediaBrowser.Controller/IDisplayPreferencesManager.cs
index b6bfed3e59..4288a2a549 100644
--- a/MediaBrowser.Controller/IDisplayPreferencesManager.cs
+++ b/MediaBrowser.Controller/IDisplayPreferencesManager.cs
@@ -35,15 +35,8 @@ namespace MediaBrowser.Controller
         IList<ItemDisplayPreferences> ListItemDisplayPreferences(Guid userId, string client);
 
         /// <summary>
-        /// Saves changes to the provided display preferences.
+        /// Saves changes made to the database.
         /// </summary>
-        /// <param name="preferences">The display preferences to save.</param>
-        void SaveChanges(DisplayPreferences preferences);
-
-        /// <summary>
-        /// Saves changes to the provided item display preferences.
-        /// </summary>
-        /// <param name="preferences">The item display preferences to save.</param>
-        void SaveChanges(ItemDisplayPreferences preferences);
+        void SaveChanges();
     }
 }