Support deleting plugin settings when uninstalling plugins

Flow.Launcher.Core/Plugin/JsonRPCPluginBase.cs

@@ -44,8 +44,10 @@ internal abstract class JsonRPCPluginBase : IAsyncPlugin, IContextMenu, ISetting
         private string SettingConfigurationPath =>
             Path.Combine(Context.CurrentPluginMetadata.PluginDirectory, "SettingsTemplate.yaml");
 
-        private string SettingPath => Path.Combine(DataLocation.PluginSettingsDirectory,
-            Context.CurrentPluginMetadata.Name, "Settings.json");
+        private string SettingDirectory => Path.Combine(DataLocation.PluginSettingsDirectory,
+            Context.CurrentPluginMetadata.Name);
+
+        private string SettingPath => Path.Combine(SettingDirectory, "Settings.json");
 
         public abstract List<Result> LoadContextMenus(Result selectedResult);
 
@@ -159,5 +161,13 @@ public Control CreateSettingPanel()
         {
             return Settings.CreateSettingPanel();
         }
+
+        public void DeletePluginSettingsDirectory()
+        {
+            if (Directory.Exists(SettingDirectory))
+            {
+                Directory.Delete(SettingDirectory, true);
+            }
+        }
     }
 }

Flow.Launcher.Core/Plugin/PluginManager.cs

@@ -210,9 +210,9 @@ public static async Task InitializePluginsAsync(IPublicAPI api)
             {
                 var failed = string.Join(",", failedPlugins.Select(x => x.Metadata.Name));
                 API.ShowMsg(
-                    InternationalizationManager.Instance.GetTranslation("failedToInitializePluginsTitle"),
+                    API.GetTranslation("failedToInitializePluginsTitle"),
                     string.Format(
-                        InternationalizationManager.Instance.GetTranslation("failedToInitializePluginsMessage"),
+                        API.GetTranslation("failedToInitializePluginsMessage"),
                         failed
                     ),
                     "",
@@ -439,7 +439,7 @@ public static bool PluginModified(string uuid)
         public static void UpdatePlugin(PluginMetadata existingVersion, UserPlugin newVersion, string zipFilePath)
         {
             InstallPlugin(newVersion, zipFilePath, checkModified:false);
-            UninstallPlugin(existingVersion, removeSettings:false, checkModified:false);
+            UninstallPlugin(existingVersion, removePluginFromSettings:false, removePluginSettings:false, checkModified: false);
             _modifiedPlugins.Add(existingVersion.ID);
         }
 
@@ -454,9 +454,9 @@ public static void InstallPlugin(UserPlugin plugin, string zipFilePath)
         /// <summary>
         /// Uninstall a plugin.
         /// </summary>
-        public static void UninstallPlugin(PluginMetadata plugin, bool removeSettings = true)
+        public static void UninstallPlugin(PluginMetadata plugin, bool removePluginFromSettings = true, bool removePluginSettings = false)
         {
-            UninstallPlugin(plugin, removeSettings, true);
+            UninstallPlugin(plugin, removePluginFromSettings, removePluginSettings, true);
         }
 
         #endregion
@@ -521,22 +521,78 @@ internal static void InstallPlugin(UserPlugin plugin, string zipFilePath, bool c
 
             FilesFolders.CopyAll(pluginFolderPath, newPluginPath, MessageBoxEx.Show);
 
-            Directory.Delete(tempFolderPluginPath, true);
+            try
+            {
+                if (Directory.Exists(tempFolderPluginPath))
+                    Directory.Delete(tempFolderPluginPath, true);
+            }
+            catch (Exception e)
+            {
+                Log.Exception($"|PluginManager.InstallPlugin|Failed to delete temp folder {tempFolderPluginPath}", e);
+            }
 
             if (checkModified)
             {
                 _modifiedPlugins.Add(plugin.ID);
             }
         }
 
-        internal static void UninstallPlugin(PluginMetadata plugin, bool removeSettings, bool checkModified)
+        internal static void UninstallPlugin(PluginMetadata plugin, bool removePluginFromSettings, bool removePluginSettings, bool checkModified)
         {
             if (checkModified && PluginModified(plugin.ID))
             {
                 throw new ArgumentException($"Plugin {plugin.Name} has been modified");
             }
 
-            if (removeSettings)
+            if (removePluginSettings)
+            {
+                if (AllowedLanguage.IsDotNet(plugin.Language))  // for the plugin in .NET, we can use assembly loader
+                {
+                    var assemblyLoader = new PluginAssemblyLoader(plugin.ExecuteFilePath);
+                    var assembly = assemblyLoader.LoadAssemblyAndDependencies();
+                    var assemblyName = assembly.GetName().Name;
+
+                    // if user want to remove the plugin settings, we cannot call save method for the plugin json storage instance of this plugin
+                    // so we need to remove it from the api instance
+                    var method = API.GetType().GetMethod("RemovePluginSettings");
+                    var pluginJsonStorage = method?.Invoke(API, new object[] { assemblyName });
+
+                    // if there exists a json storage for current plugin, we need to delete the directory path
+                    if (pluginJsonStorage != null)
+                    {
+                        var deleteMethod = pluginJsonStorage.GetType().GetMethod("DeleteDirectory");
+                        try
+                        {
+                            deleteMethod?.Invoke(pluginJsonStorage, null);
+                        }
+                        catch (Exception e)
+                        {
+                            Log.Exception($"|PluginManager.UninstallPlugin|Failed to delete plugin json folder for {plugin.Name}", e);
+                            API.ShowMsg(API.GetTranslation("failedToRemovePluginSettingsTitle"),
+                                string.Format(API.GetTranslation("failedToRemovePluginSettingsMessage"), plugin.Name));
+                        }
+                    }
+                }
+                else  // the plugin with json prc interface
+                {
+                    var pluginPair = AllPlugins.FirstOrDefault(p => p.Metadata.ID == plugin.ID);
+                    if (pluginPair != null && pluginPair.Plugin is JsonRPCPlugin jsonRpcPlugin)
+                    {
+                        try
+                        {
+                            jsonRpcPlugin.DeletePluginSettingsDirectory();
+                        }
+                        catch (Exception e)
+                        {
+                            Log.Exception($"|PluginManager.UninstallPlugin|Failed to delete plugin json folder for {plugin.Name}", e);
+                            API.ShowMsg(API.GetTranslation("failedToRemovePluginSettingsTitle"),
+                                string.Format(API.GetTranslation("failedToRemovePluginSettingsMessage"), plugin.Name));
+                        }
+                    }
+                }
+            }
+
+            if (removePluginFromSettings)
             {
                 Settings.Plugins.Remove(plugin.ID);
                 AllPlugins.RemoveAll(p => p.Metadata.ID == plugin.ID);

Flow.Launcher.Infrastructure/Storage/PluginJsonStorage.cs

@@ -3,14 +3,17 @@
 
 namespace Flow.Launcher.Infrastructure.Storage
 {
-    public class PluginJsonStorage<T> :JsonStorage<T> where T : new()
+    public class PluginJsonStorage<T> : JsonStorage<T> where T : new()
     {
+        // Use assembly name to check which plugin is using this storage
+        public readonly string AssemblyName;
+
         public PluginJsonStorage()
         {
             // C# related, add python related below
             var dataType = typeof(T);
-            var assemblyName = dataType.Assembly.GetName().Name;
-            DirectoryPath = Path.Combine(DataLocation.DataDirectory(), DirectoryName, Constant.Plugins, assemblyName);
+            AssemblyName = dataType.Assembly.GetName().Name;
+            DirectoryPath = Path.Combine(DataLocation.DataDirectory(), DirectoryName, Constant.Plugins, AssemblyName);
             Helper.ValidateDirectory(DirectoryPath);
 
             FilePath = Path.Combine(DirectoryPath, $"{dataType.Name}{FileSuffix}");
@@ -20,6 +23,13 @@ public PluginJsonStorage(T data) : this()
         {
             Data = data;
         }
+
+        public void DeleteDirectory()
+        {
+            if (Directory.Exists(DirectoryPath))
+            {
+                Directory.Delete(DirectoryPath, true);
+            }
+        }
     }
 }
-

Flow.Launcher/Languages/en.xaml

@@ -128,7 +128,8 @@
     <system:String x:Key="plugin_query_version">Version</system:String>
     <system:String x:Key="plugin_query_web">Website</system:String>
     <system:String x:Key="plugin_uninstall">Uninstall</system:String>
-
+    <system:String x:Key="failedToRemovePluginSettingsTitle">Fail to remove plugin settings</system:String>
+    <system:String x:Key="failedToRemovePluginSettingsMessage">Plugins: {0} - Fail to remove plugin settings files, please remove them manually</system:String>
 
     <!--  Setting Plugin Store  -->
     <system:String x:Key="pluginStore">Plugin Store</system:String>
@@ -145,8 +146,6 @@
     <system:String x:Key="LabelNewToolTip">This plugin has been updated within the last 7 days</system:String>
     <system:String x:Key="LabelUpdateToolTip">New Update is Available</system:String>
 
-
-
     <!--  Setting Theme  -->
     <system:String x:Key="theme">Theme</system:String>
     <system:String x:Key="appearance">Appearance</system:String>
@@ -196,7 +195,6 @@
     <system:String x:Key="TypeIsDarkToolTip">This theme supports two(light/dark) modes.</system:String>
     <system:String x:Key="TypeHasBlurToolTip">This theme supports Blur Transparent Background.</system:String>
 
-
     <!--  Setting Hotkey  -->
     <system:String x:Key="hotkey">Hotkey</system:String>
     <system:String x:Key="hotkeys">Hotkeys</system:String>

Flow.Launcher/PublicAPIInstance.cs

@@ -189,6 +189,23 @@ public void LogException(string className, string message, Exception e,
 
         private readonly ConcurrentDictionary<Type, object> _pluginJsonStorages = new();
 
+        public object RemovePluginSettings(string assemblyName)
+        {
+            foreach (var keyValuePair in _pluginJsonStorages)
+            {
+                var key = keyValuePair.Key;
+                var value = keyValuePair.Value;
+                var name = value.GetType().GetField("AssemblyName")?.GetValue(value)?.ToString();
+                if (name == assemblyName)
+                {
+                    _pluginJsonStorages.Remove(key, out var pluginJsonStorage);
+                    return pluginJsonStorage;
+                }
+            }
+
+            return null;
+        }
+
         /// <summary>
         /// Save plugin settings.
         /// </summary>

Plugins/Flow.Launcher.Plugin.PluginsManager/Languages/en.xaml

@@ -15,6 +15,8 @@
     <system:String x:Key="plugin_pluginsmanager_installing_plugin">Installing Plugin</system:String>
     <system:String x:Key="plugin_pluginsmanager_install_from_web">Download and install {0}</system:String>
     <system:String x:Key="plugin_pluginsmanager_uninstall_title">Plugin Uninstall</system:String>
+    <system:String x:Key="plugin_pluginsmanager_keep_plugin_settings_title">Keep plugin settings</system:String>
+    <system:String x:Key="plugin_pluginsmanager_keep_plugin_settings_subtitle">Do you want to keep the settings of the plugin for the next usage?</system:String>
     <system:String x:Key="plugin_pluginsmanager_install_success_restart">Plugin {0} successfully installed. Restarting Flow, please wait...</system:String>
     <system:String x:Key="plugin_pluginsmanager_install_errormetadatafile">Unable to find the plugin.json metadata file from the extracted zip file.</system:String>
     <system:String x:Key="plugin_pluginsmanager_install_error_duplicate">Error: A plugin which has the same or greater version with {0} already exists.</system:String>
@@ -37,13 +39,13 @@
     <system:String x:Key="plugin_pluginsmanager_update_success_restart">Plugin {0} successfully updated. Restarting Flow, please wait...</system:String>
     <system:String x:Key="plugin_pluginsmanager_install_unknown_source_warning_title">Installing from an unknown source</system:String>
     <system:String x:Key="plugin_pluginsmanager_install_unknown_source_warning">You are installing this plugin from an unknown source and it may contain potential risks!{0}{0}Please ensure you understand where this plugin is from and that it is safe.{0}{0}Would you like to continue still?{0}{0}(You can switch off this warning via settings)</system:String>
-    
+
     <system:String x:Key="plugin_pluginsmanager_install_success_no_restart">Plugin {0} successfully installed. Please restart Flow.</system:String>
     <system:String x:Key="plugin_pluginsmanager_uninstall_success_no_restart">Plugin {0} successfully uninstalled. Please restart Flow.</system:String>
     <system:String x:Key="plugin_pluginsmanager_update_success_no_restart">Plugin {0} successfully updated. Please restart Flow.</system:String>
     <system:String x:Key="plugin_pluginsmanager_update_all_success_no_restart">{0} plugins successfully updated. Please restart Flow.</system:String>
     <system:String x:Key="plugin_pluginsmanager_plugin_modified_error">Plugin {0} has already been modified. Please restart Flow before making any further changes.</system:String>
-   
+
     <!--  Plugin Infos  -->
     <system:String x:Key="plugin_pluginsmanager_plugin_name">Plugins Manager</system:String>
     <system:String x:Key="plugin_pluginsmanager_plugin_description">Management of installing, uninstalling or updating Flow Launcher plugins</system:String>

Plugins/Flow.Launcher.Plugin.PluginsManager/PluginsManager.cs

@@ -682,7 +682,11 @@ private void Uninstall(PluginMetadata plugin)
         {
             try
             {
-                PluginManager.UninstallPlugin(plugin, removeSettings: true);
+                var removePluginSettings = Context.API.ShowMsgBox(
+                    Context.API.GetTranslation("plugin_pluginsmanager_keep_plugin_settings_subtitle"),
+                    Context.API.GetTranslation("plugin_pluginsmanager_keep_plugin_settings_title"),
+                    button: MessageBoxButton.YesNo) == MessageBoxResult.No;
+                PluginManager.UninstallPlugin(plugin, removePluginFromSettings: true, removePluginSettings: removePluginSettings);
             }
             catch (ArgumentException e)
             {