Expose more pieces of ArchiveModelManager via interfaces

osu.Game/Database/IModelFileManager.cs

@@ -0,0 +1,36 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.IO;
+
+namespace osu.Game.Database
+{
+    public interface IModelFileManager<in TModel, in TFileModel>
+        where TModel : class
+        where TFileModel : class
+    {
+        /// <summary>
+        /// Replace an existing file with a new version.
+        /// </summary>
+        /// <param name="model">The item to operate on.</param>
+        /// <param name="file">The existing file to be replaced.</param>
+        /// <param name="contents">The new file contents.</param>
+        /// <param name="filename">An optional filename for the new file. Will use the previous filename if not specified.</param>
+        void ReplaceFile(TModel model, TFileModel file, Stream contents, string filename = null);
+
+        /// <summary>
+        /// Delete an existing file.
+        /// </summary>
+        /// <param name="model">The item to operate on.</param>
+        /// <param name="file">The existing file to be deleted.</param>
+        void DeleteFile(TModel model, TFileModel file);
+
+        /// <summary>
+        /// Add a new file.
+        /// </summary>
+        /// <param name="model">The item to operate on.</param>
+        /// <param name="contents">The new file contents.</param>
+        /// <param name="filename">The filename for the new file.</param>
+        void AddFile(TModel model, Stream contents, string filename);
+    }
+}