use ISavable and add obsolete message

Author: jjw24

Flow.Launcher.Core/Plugin/PluginManager.cs

@@ -7,9 +7,9 @@
 using System.Threading.Tasks;
 using Flow.Launcher.Infrastructure;
 using Flow.Launcher.Infrastructure.Logger;
-using Flow.Launcher.Infrastructure.Storage;
 using Flow.Launcher.Infrastructure.UserSettings;
 using Flow.Launcher.Plugin;
+using ISavable = Flow.Launcher.Plugin.ISavable;
 
 namespace Flow.Launcher.Core.Plugin
 {
@@ -48,7 +48,7 @@ public static void Save()
         {
             foreach (var plugin in AllPlugins)
             {
-                var savable = plugin.Plugin as ISettingsSavable;
+                var savable = plugin.Plugin as ISavable;
                 savable?.Save();
             }
 

Flow.Launcher.Infrastructure/Storage/ISavable.cs

@@ -1,10 +1,8 @@
-using Flow.Launcher.Plugin;
+using System;
 
 namespace Flow.Launcher.Infrastructure.Storage
 {
-    /// <summary>
-    /// Save plugin settings/cache, 
-    /// todo should be merged into a abstract class intead of seperate interface
-    /// </summary>
-    public interface ISavable : ISettingsSavable { }
+    [Obsolete("Deprecated as of Flow Launcher v1.8.0, on 2021.06.21. " +
+        "This is used only for Everything plugin v1.4.9 or below backwards compatibility")]
+    public interface ISavable : Plugin.ISavable { }
 }

Flow.Launcher.Infrastructure/Storage/JsonStorage.cs

@@ -88,5 +88,7 @@ public void Save()
         }
     }
 
+    [Obsolete("Deprecated as of Flow Launcher v1.8.0, on 2021.06.21. " +
+        "This is used only for Everything plugin v1.4.9 or below backwards compatibility")]
     public class JsonStrorage<T> : JsonStorage<T> where T : new() { }
 }

Flow.Launcher.Plugin/Interfaces/ISettingsSavable.cs renamed to Flow.Launcher.Plugin/Interfaces/ISavable.cs

@@ -5,7 +5,7 @@
     /// Otherwise if LoadSettingJsonStorage or SaveSettingJsonStorage has been callded,
     /// plugin settings will be automatically saved (see Flow.Launcher/PublicAPIInstance.SavePluginSettings) by Flow
     /// </summary>
-    public interface ISettingsSavable
+    public interface ISavable
     {
         void Save();
     }

Flow.Launcher/ViewModel/MainViewModel.cs

@@ -20,10 +20,11 @@
 using Flow.Launcher.Storage;
 using Flow.Launcher.Infrastructure.Logger;
 using System.Threading.Channels;
+using ISavable = Flow.Launcher.Plugin.ISavable;
 
 namespace Flow.Launcher.ViewModel
 {
-    public class MainViewModel : BaseModel, ISettingsSavable
+    public class MainViewModel : BaseModel, ISavable
     {
         #region Private Fields
 

Plugins/Flow.Launcher.Plugin.Program/Main.cs

@@ -13,7 +13,7 @@
 
 namespace Flow.Launcher.Plugin.Program
 {
-    public class Main : ISettingProvider, IAsyncPlugin, IPluginI18n, IContextMenu, ISettingsSavable, IAsyncReloadable
+    public class Main : ISettingProvider, IAsyncPlugin, IPluginI18n, IContextMenu, ISavable, IAsyncReloadable
     {
         internal static Win32[] _win32s { get; set; }
         internal static UWP.Application[] _uwps { get; set; }