1 files changed, 26 insertions, 0 deletions
diff --git a/Jellyfin.Server/Migrations/IUpdater.cs b/Jellyfin.Server/Migrations/IUpdater.cs
new file mode 100644
index 000000000..60d970256
--- /dev/null
+++ b/Jellyfin.Server/Migrations/IUpdater.cs
@@ -0,0 +1,26 @@
+using System;
+using Microsoft.Extensions.Logging;
+
+namespace Jellyfin.Server.Migrations
+{
+        /// <summary>
+        /// Interface that descibes a migration routine.
+        /// </summary>
+        internal interface IUpdater
+        {
+            /// <summary>
+            /// Gets maximum version this Updater applies to.
+            /// If current version is greater or equal to it, skip the updater.
+            /// </summary>
+            public abstract Version Maximum { get; }
+
+            /// <summary>
+            /// Execute the migration from version "from".
+            /// </summary>
+            /// <param name="host">Host that hosts current version.</param>
+            /// <param name="logger">Host logger.</param>
+            /// <param name="from">Version to migrate from.</param>
+            /// <returns>Whether configuration was changed.</returns>
+            public abstract bool Perform(CoreAppHost host, ILogger logger, Version from);
+        }
+}