1 files changed, 88 insertions, 0 deletions
diff --git a/Jellyfin.Server.Implementations/Users/DisplayPreferencesManager.cs b/Jellyfin.Server.Implementations/Users/DisplayPreferencesManager.cs
new file mode 100644
index 000000000..7c5c5a3ec
--- /dev/null
+++ b/Jellyfin.Server.Implementations/Users/DisplayPreferencesManager.cs
@@ -0,0 +1,88 @@
+#pragma warning disable CA1307
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Jellyfin.Data.Entities;
+using MediaBrowser.Controller;
+using Microsoft.EntityFrameworkCore;
+
+namespace Jellyfin.Server.Implementations.Users
+{
+    /// <summary>
+    /// Manages the storage and retrieval of display preferences through Entity Framework.
+    /// </summary>
+    public class DisplayPreferencesManager : IDisplayPreferencesManager
+    {
+        private readonly JellyfinDbProvider _dbProvider;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="DisplayPreferencesManager"/> class.
+        /// </summary>
+        /// <param name="dbProvider">The Jellyfin db provider.</param>
+        public DisplayPreferencesManager(JellyfinDbProvider dbProvider)
+        {
+            _dbProvider = dbProvider;
+        }
+
+        /// <inheritdoc />
+        public DisplayPreferences GetDisplayPreferences(Guid userId, string client)
+        {
+            using var dbContext = _dbProvider.CreateContext();
+            var prefs = dbContext.DisplayPreferences
+                .Include(pref => pref.HomeSections)
+                .FirstOrDefault(pref =>
+                    pref.UserId == userId && string.Equals(pref.Client, client));
+
+            if (prefs == null)
+            {
+                prefs = new DisplayPreferences(userId, client);
+                dbContext.DisplayPreferences.Add(prefs);
+            }
+
+            return prefs;
+        }
+
+        /// <inheritdoc />
+        public ItemDisplayPreferences GetItemDisplayPreferences(Guid userId, Guid itemId, string client)
+        {
+            using var dbContext = _dbProvider.CreateContext();
+            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);
+            }
+
+            return prefs;
+        }
+
+        /// <inheritdoc />
+        public IList<ItemDisplayPreferences> ListItemDisplayPreferences(Guid userId, string client)
+        {
+            using var dbContext = _dbProvider.CreateContext();
+
+            return dbContext.ItemDisplayPreferences
+                .Where(prefs => prefs.UserId == userId && prefs.ItemId != Guid.Empty && string.Equals(prefs.Client, client))
+                .ToList();
+        }
+
+        /// <inheritdoc />
+        public void SaveChanges(DisplayPreferences preferences)
+        {
+            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();
+        }
+    }
+}