1 files changed, 69 insertions, 0 deletions
diff --git a/MediaBrowser.Controller/IDisplayPreferencesManager.cs b/MediaBrowser.Controller/IDisplayPreferencesManager.cs
new file mode 100644
index 000000000..1678d5067
--- /dev/null
+++ b/MediaBrowser.Controller/IDisplayPreferencesManager.cs
@@ -0,0 +1,69 @@
+#nullable disable
+
+using System;
+using System.Collections.Generic;
+using Jellyfin.Data.Entities;
+
+namespace MediaBrowser.Controller
+{
+    /// <summary>
+    /// Manages the storage and retrieval of display preferences.
+    /// </summary>
+    public interface IDisplayPreferencesManager
+    {
+        /// <summary>
+        /// Gets the display preferences for the user and client.
+        /// </summary>
+        /// <remarks>
+        /// This will create the display preferences if it does not exist, but it will not save automatically.
+        /// </remarks>
+        /// <param name="userId">The user's id.</param>
+        /// <param name="itemId">The item id.</param>
+        /// <param name="client">The client string.</param>
+        /// <returns>The associated display preferences.</returns>
+        DisplayPreferences GetDisplayPreferences(Guid userId, Guid itemId, string client);
+
+        /// <summary>
+        /// Gets the default item display preferences for the user and client.
+        /// </summary>
+        /// <remarks>
+        /// This will create the item display preferences if it does not exist, but it will not save automatically.
+        /// </remarks>
+        /// <param name="userId">The user id.</param>
+        /// <param name="itemId">The item id.</param>
+        /// <param name="client">The client string.</param>
+        /// <returns>The item display preferences.</returns>
+        ItemDisplayPreferences GetItemDisplayPreferences(Guid userId, Guid itemId, string client);
+
+        /// <summary>
+        /// Gets all of the item display preferences for the user and client.
+        /// </summary>
+        /// <param name="userId">The user id.</param>
+        /// <param name="client">The client string.</param>
+        /// <returns>A list of item display preferences.</returns>
+        IList<ItemDisplayPreferences> ListItemDisplayPreferences(Guid userId, string client);
+
+        /// <summary>
+        /// Gets all of the custom item display preferences for the user and client.
+        /// </summary>
+        /// <param name="userId">The user id.</param>
+        /// <param name="itemId">The item id.</param>
+        /// <param name="client">The client string.</param>
+        /// <returns>The dictionary of custom item display preferences.</returns>
+        Dictionary<string, string> ListCustomItemDisplayPreferences(Guid userId, Guid itemId, string client);
+
+        /// <summary>
+        /// Sets the custom item display preference for the user and client.
+        /// </summary>
+        /// <param name="userId">The user id.</param>
+        /// <param name="itemId">The item id.</param>
+        /// <param name="client">The client id.</param>
+        /// <param name="customPreferences">A dictionary of custom item display preferences.</param>
+        void SetCustomItemDisplayPreferences(Guid userId, Guid itemId, string client, Dictionary<string, string> customPreferences);
+
+        /// <summary>
+        /// Saves changes made to the database.
+        /// </summary>
+        void SaveChanges();
+    }
+}