1 files changed, 104 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..c89e3c74d
--- /dev/null
+++ b/Jellyfin.Server.Implementations/Users/DisplayPreferencesManager.cs
@@ -0,0 +1,104 @@
+#pragma warning disable CA1307
+#pragma warning disable CA1309
+
+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 JellyfinDb _dbContext;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="DisplayPreferencesManager"/> class.
+        /// </summary>
+        /// <param name="dbContext">The database context.</param>
+        public DisplayPreferencesManager(JellyfinDb dbContext)
+        {
+            _dbContext = dbContext;
+        }
+
+        /// <inheritdoc />
+        public DisplayPreferences GetDisplayPreferences(Guid userId, Guid itemId, string client)
+        {
+            var prefs = _dbContext.DisplayPreferences
+                .Include(pref => pref.HomeSections)
+                .FirstOrDefault(pref =>
+                    pref.UserId == userId && string.Equals(pref.Client, client) && pref.ItemId == itemId);
+
+            if (prefs == null)
+            {
+                prefs = new DisplayPreferences(userId, itemId, client);
+                _dbContext.DisplayPreferences.Add(prefs);
+            }
+
+            return prefs;
+        }
+
+        /// <inheritdoc />
+        public ItemDisplayPreferences GetItemDisplayPreferences(Guid userId, Guid itemId, string client)
+        {
+            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)
+        {
+            return _dbContext.ItemDisplayPreferences
+                .AsQueryable()
+                .Where(prefs => prefs.UserId == userId && prefs.ItemId != Guid.Empty && string.Equals(prefs.Client, client))
+                .ToList();
+        }
+
+        /// <inheritdoc />
+        public Dictionary<string, string?> ListCustomItemDisplayPreferences(Guid userId, Guid itemId, string client)
+        {
+            return _dbContext.CustomItemDisplayPreferences
+                .AsQueryable()
+                .Where(prefs => prefs.UserId == userId
+                                && prefs.ItemId == itemId
+                                && string.Equals(prefs.Client, client))
+                .ToDictionary(prefs => prefs.Key, prefs => prefs.Value);
+        }
+
+        /// <inheritdoc />
+        public void SetCustomItemDisplayPreferences(Guid userId, Guid itemId, string client, Dictionary<string, string> customPreferences)
+        {
+            var existingPrefs = _dbContext.CustomItemDisplayPreferences
+                .AsQueryable()
+                .Where(prefs => prefs.UserId == userId
+                                && prefs.ItemId == itemId
+                                && string.Equals(prefs.Client, client));
+            _dbContext.CustomItemDisplayPreferences.RemoveRange(existingPrefs);
+
+            foreach (var (key, value) in customPreferences)
+            {
+                _dbContext.CustomItemDisplayPreferences
+                    .Add(new CustomItemDisplayPreferences(userId, itemId, client, key, value));
+            }
+        }
+
+        /// <inheritdoc />
+        public void SaveChanges()
+        {
+            _dbContext.SaveChanges();
+        }
+    }
+}