Add Support for Automatically Checking Plugin Updates

Flow.Launcher.Core/Plugin/PluginInstaller.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.IO;
 using System.IO.Compression;
 using System.Linq;
@@ -277,6 +278,100 @@ await DownloadFileAsync(
         }
     }
 
+    /// <summary>
+    /// Updates the plugin to the latest version available from its source.
+    /// </summary>
+    /// <param name="silentUpdate">If true, do not show any messages when there is no update available.</param>
+    /// <param name="usePrimaryUrlOnly">If true, only use the primary URL for updates.</param>
+    /// <param name="token">Cancellation token to cancel the update operation.</param>
+    /// <returns></returns>
+    public static async Task CheckForPluginUpdatesAsync(bool silentUpdate = true, bool usePrimaryUrlOnly = false, CancellationToken token = default)
+    {
+        // Update the plugin manifest
+        await API.UpdatePluginManifestAsync(usePrimaryUrlOnly, token);
+
+        // Get all plugins that can be updated
+        var resultsForUpdate = (
+            from existingPlugin in API.GetAllPlugins()
+            join pluginUpdateSource in API.GetPluginManifest()
+                on existingPlugin.Metadata.ID equals pluginUpdateSource.ID
+            where string.Compare(existingPlugin.Metadata.Version, pluginUpdateSource.Version,
+                      StringComparison.InvariantCulture) <
+                  0 // if current version precedes version of the plugin from update source (e.g. PluginsManifest)
+                  && !API.PluginModified(existingPlugin.Metadata.ID)
+            select
+                new PluginUpdateInfo()
+                {
+                    ID = existingPlugin.Metadata.ID,
+                    Name = existingPlugin.Metadata.Name,
+                    Author = existingPlugin.Metadata.Author,
+                    CurrentVersion = existingPlugin.Metadata.Version,
+                    NewVersion = pluginUpdateSource.Version,
+                    IcoPath = existingPlugin.Metadata.IcoPath,
+                    PluginExistingMetadata = existingPlugin.Metadata,
+                    PluginNewUserPlugin = pluginUpdateSource
+                }).ToList();
+
+        // No updates
+        if (!resultsForUpdate.Any())
+        {
+            if (!silentUpdate)
+            {
+                API.ShowMsg(API.GetTranslation("updateNoResultTitle"), API.GetTranslation("updateNoResultSubtitle"));
+            }
+            return;
+        }
+
+        // If all plugins are modified, just return
+        if (resultsForUpdate.All(x => API.PluginModified(x.ID)))
+        {
+            return;
+        }
+
+        // Show message box with button to update all plugins
+        API.ShowMsgWithButton(
+            API.GetTranslation("updateAllPluginsTitle"),
+            API.GetTranslation("updateAllPluginsButtonContent"),
+            () =>
+            {
+                UpdateAllPlugins(resultsForUpdate);
+            },
+            string.Join(", ", resultsForUpdate.Select(x => x.PluginExistingMetadata.Name)));
+    }
+
+    private static void UpdateAllPlugins(IEnumerable<PluginUpdateInfo> resultsForUpdate)
+    {
+        _ = Task.WhenAll(resultsForUpdate.Select(async plugin =>
+        {
+            var downloadToFilePath = Path.Combine(Path.GetTempPath(), $"{plugin.Name}-{plugin.NewVersion}.zip");
+
+            try
+            {
+                using var cts = new CancellationTokenSource();
+
+                await DownloadFileAsync(
+                    $"{API.GetTranslation("DownloadingPlugin")} {plugin.PluginNewUserPlugin.Name}",
+                    plugin.PluginNewUserPlugin.UrlDownload, downloadToFilePath, cts);
+
+                // check if user cancelled download before installing plugin
+                if (cts.IsCancellationRequested)
+                {
+                    return;
+                }
+
+                if (!await API.UpdatePluginAsync(plugin.PluginExistingMetadata, plugin.PluginNewUserPlugin, downloadToFilePath))
+                {
+                    return;
+                }
+            }
+            catch (Exception e)
+            {
+                API.LogException(ClassName, "Failed to update plugin", e);
+                API.ShowMsgError(API.GetTranslation("ErrorUpdatingPlugin"));
+            }
+        }));
+    }
+
     /// <summary>
     /// Downloads a file from a URL to a local path, optionally showing a progress box and handling cancellation.
     /// </summary>
@@ -350,4 +445,16 @@ private static bool InstallSourceKnown(string url)
             x.Metadata.Website.StartsWith(constructedUrlPart)
         );
     }
+
+    private record PluginUpdateInfo
+    {
+        public string ID { get; init; }
+        public string Name { get; init; }
+        public string Author { get; init; }
+        public string CurrentVersion { get; init; }
+        public string NewVersion { get; init; }
+        public string IcoPath { get; init; }
+        public PluginMetadata PluginExistingMetadata { get; init; }
+        public UserPlugin PluginNewUserPlugin { get; init; }
+    }
 }

Flow.Launcher.Infrastructure/UserSettings/Settings.cs

@@ -233,6 +233,7 @@
 
         public bool AutoRestartAfterChanging { get; set; } = false;
         public bool ShowUnknownSourceWarning { get; set; } = true;
+        public bool AutoUpdatePlugins { get; set; } = true;
 
         public int CustomExplorerIndex { get; set; } = 0;
 
@@ -648,14 +649,14 @@
 
     public enum DoublePinyinSchemas
     {
         XiaoHe,
         ZiRanMa,
         WeiRuan,
         ZhiNengABC,
         ZiGuangPinYin,
         PinYinJiaJia,
         XingKongJianDao,
         DaNiu,
         XiaoLang
     }
 }

Flow.Launcher/App.xaml.cs

@@ -219,7 +219,7 @@
                 // Change language after all plugins are initialized because we need to update plugin title based on their api
                 await Ioc.Default.GetRequiredService<Internationalization>().InitializeLanguageAsync();
 
                 await imageLoadertask;
 
                 _mainWindow = new MainWindow();
 
@@ -239,6 +239,7 @@
 
                 AutoStartup();
                 AutoUpdates();
+                AutoPluginUpdates();
 
                 API.SaveAppAllSettings();
                 API.LogInfo(ClassName, "End Flow Launcher startup ----------------------------------------------------");
@@ -251,7 +252,7 @@
         /// Check startup only for Release
         /// </summary>
         [Conditional("RELEASE")]
-        private void AutoStartup()
+        private static void AutoStartup()
         {
             // we try to enable auto-startup on first launch, or reenable if it was removed
             // but the user still has the setting set
@@ -272,7 +273,7 @@
         }
 
         [Conditional("RELEASE")]
-        private void AutoUpdates()
+        private static void AutoUpdates()
         {
             _ = Task.Run(async () =>
             {
@@ -289,6 +290,23 @@
             });
         }
 
+        private static void AutoPluginUpdates()
+        {
+            _ = Task.Run(async () =>
+            {
+                if (_settings.AutoUpdatePlugins)
+                {
+                    // check plugin updates every 5 hour
+                    var timer = new PeriodicTimer(TimeSpan.FromHours(5));
+                    await PluginInstaller.CheckForPluginUpdatesAsync();
+
+                    while (await timer.WaitForNextTickAsync())
+                        // check updates on startup
+                        await PluginInstaller.CheckForPluginUpdatesAsync();
+                }
+            });
+        }
+
         #endregion
 
         #region Register Events

Flow.Launcher/Languages/en.xaml

@@ -93,6 +93,7 @@
     <system:String x:Key="typingStartEn">Always Start Typing in English Mode</system:String>
     <system:String x:Key="typingStartEnTooltip">Temporarily change your input method to English mode when activating Flow.</system:String>
     <system:String x:Key="autoUpdates">Auto Update</system:String>
+    <system:String x:Key="autoUpdatesTooltip">Automatically check and update the app when available</system:String>
     <system:String x:Key="select">Select</system:String>
     <system:String x:Key="hideOnStartup">Hide Flow Launcher on startup</system:String>
     <system:String x:Key="hideOnStartupToolTip">Flow Launcher search window is hidden in the tray after starting up.</system:String>
@@ -108,16 +109,16 @@
     <system:String x:Key="ShouldUseDoublePinyin">Use Double Pinyin</system:String>
     <system:String x:Key="ShouldUseDoublePinyinToolTip">Allows using Double Pinyin to search. Double Pinyin is a variation of Pinyin that uses two characters.</system:String>
     <system:String x:Key="DoublePinyinSchema">Double Pinyin Schema</system:String>
     <system:String x:Key="DoublePinyinSchemasXiaoHe">Xiao He</system:String>
     <system:String x:Key="DoublePinyinSchemasZiRanMa">Zi Ran Ma</system:String>
     <system:String x:Key="DoublePinyinSchemasWeiRuan">Wei Ruan</system:String>
     <system:String x:Key="DoublePinyinSchemasZhiNengABC">Zhi Neng ABC</system:String>
     <system:String x:Key="DoublePinyinSchemasZiGuangPinYin">Zi Guang Pin Yin</system:String>
     <system:String x:Key="DoublePinyinSchemasPinYinJiaJia">Pin Yin Jia Jia</system:String>
     <system:String x:Key="DoublePinyinSchemasXingKongJianDao">Xing Kong Jian Dao</system:String>
     <system:String x:Key="DoublePinyinSchemasDaNiu">Da Niu</system:String>
     <system:String x:Key="DoublePinyinSchemasXiaoLang">Xiao Lang</system:String>
-    
+
     <system:String x:Key="AlwaysPreview">Always Preview</system:String>
     <system:String x:Key="AlwaysPreviewToolTip">Always open preview panel when Flow activates. Press {0} to toggle preview.</system:String>
     <system:String x:Key="shadowEffectNotAllowed">Shadow effect is not allowed while current theme has blur effect enabled</system:String>
@@ -150,6 +151,8 @@
     <system:String x:Key="autoRestartAfterChangingToolTip">Restart Flow Launcher automatically after installing/uninstalling/updating plugin via Plugin Store</system:String>
     <system:String x:Key="showUnknownSourceWarning">Show unknown source warning</system:String>
     <system:String x:Key="showUnknownSourceWarningToolTip">Show warning when installing plugins from unknown sources</system:String>
+    <system:String x:Key="autoUpdatePlugins">Auto update plugins</system:String>
+    <system:String x:Key="autoUpdatePluginsToolTip">Automatically check plugin updates and notify if there are any updates available</system:String>
 
     <!--  Setting Plugin  -->
     <system:String x:Key="searchplugin">Search Plugin</system:String>
@@ -231,6 +234,11 @@
     <system:String x:Key="ZipFiles">Zip files</system:String>
     <system:String x:Key="SelectZipFile">Please select zip file</system:String>
     <system:String x:Key="installLocalPluginTooltip">Install plugin from local path</system:String>
+    <system:String x:Key="updateNoResultTitle">No update available</system:String>
+    <system:String x:Key="updateNoResultSubtitle">All plugins are up to date</system:String>
+    <system:String x:Key="updateAllPluginsTitle">Plugin updates available</system:String>
+    <system:String x:Key="updateAllPluginsButtonContent">Update all plugins</system:String>
+    <system:String x:Key="checkPluginUpdatesTooltip">Check plugin updates</system:String>
 
     <!--  Setting Theme  -->
     <system:String x:Key="theme">Theme</system:String>

Flow.Launcher/SettingPages/ViewModels/SettingsPanePluginStoreViewModel.cs

@@ -109,6 +109,12 @@ private async Task InstallPluginAsync()
             await PluginInstaller.InstallPluginAndCheckRestartAsync(file);
     }
 
+    [RelayCommand]
+    private async Task CheckPluginUpdatesAsync()
+    {
+        await PluginInstaller.CheckForPluginUpdatesAsync(silentUpdate: false);
+    }
+
     private static string GetFileFromDialog(string title, string filter = "")
     {
         var dlg = new Microsoft.Win32.OpenFileDialog

Flow.Launcher/SettingPages/Views/SettingsPaneGeneral.xaml

@@ -182,7 +182,8 @@
             <cc:Card
                 Title="{DynamicResource autoUpdates}"
                 Margin="0 14 0 0"
-                Icon="&#xecc5;">
+                Icon="&#xecc5;"
+                Sub="{DynamicResource autoUpdatesTooltip}">
                 <ui:ToggleSwitch
                     IsOn="{Binding AutoUpdates}"
                     OffContent="{DynamicResource disable}"
@@ -241,12 +242,23 @@
                     Title="{DynamicResource showUnknownSourceWarning}"
                     Icon="&#xE7BA;"
                     Sub="{DynamicResource showUnknownSourceWarningToolTip}"
-                    Type="Last">
+                    Type="Middle">
                     <ui:ToggleSwitch
                         IsOn="{Binding Settings.ShowUnknownSourceWarning}"
                         OffContent="{DynamicResource disable}"
                         OnContent="{DynamicResource enable}" />
                 </cc:Card>
+
+                <cc:Card
+                    Title="{DynamicResource autoUpdatePlugins}"
+                    Icon="&#xecc5;"
+                    Sub="{DynamicResource autoUpdatePluginsToolTip}"
+                    Type="Last">
+                    <ui:ToggleSwitch
+                        IsOn="{Binding Settings.AutoUpdatePlugins}"
+                        OffContent="{DynamicResource disable}"
+                        OnContent="{DynamicResource enable}" />
+                </cc:Card>
             </cc:CardGroup>
 
             <cc:ExCard

Flow.Launcher/SettingPages/Views/SettingsPanePluginStore.xaml

@@ -99,6 +99,13 @@
                     ToolTip="{DynamicResource installLocalPluginTooltip}">
                     <ui:FontIcon FontSize="14" Glyph="&#xE8DA;" />
                 </Button>
+                <Button
+                    Height="34"
+                    Margin="0 0 10 0"
+                    Command="{Binding CheckPluginUpdatesCommand}"
+                    ToolTip="{DynamicResource checkPluginUpdatesTooltip}">
+                    <ui:FontIcon FontSize="14" Glyph="&#xecc5;" />
+                </Button>
                 <TextBox
                     Name="PluginStoreFilterTextbox"
                     Width="150"