dennis · lawrab · May 22, 2021 · May 16, 2021
diff --git a/Components/AppilcationUpdate/Lua/ApplicationUpdateInstanceThread.cs b/Components/AppilcationUpdate/Lua/ApplicationUpdateInstanceThread.cs
@@ -2,11 +2,14 @@
 
 using Slipstream.Shared;
 using Slipstream.Shared.Lua;
-using Squirrel;
-using System.Diagnostics;
-using System.Linq;
 using System.Threading;
-using System.Threading.Tasks;
+using AutoUpdaterDotNET;
+using System.Reflection;
+using Newtonsoft.Json.Linq;
+using Newtonsoft.Json;
+using System;
+using System.IO;
+using System.Net;
 
 namespace Slipstream.Components.AppilcationUpdate.Lua
 {
@@ -16,8 +19,10 @@ public class ApplicationUpdateInstanceThread : BaseInstanceThread, IApplicationU
         private readonly IApplicationUpdateEventFactory ApplicationUpdateEventFactory;
         private readonly IEventBus EventBus;
         private readonly IEventBusSubscription Subscription;
+        private readonly IApplicationVersionService ApplicationVersionService;
         private readonly string UpdateLocation;
         private readonly bool Prerelease;
+        private UpdateInfoEventArgs? LastUpdateInfoEventArgs;
 
         public ApplicationUpdateInstanceThread(
             string instanceId,
@@ -27,116 +32,158 @@ public ApplicationUpdateInstanceThread(
             IEventHandlerController eventHandlerController,
             IApplicationUpdateEventFactory applicationUpdateEventFactory,
             IEventBus eventBus,
-            IEventBusSubscription subscription) : base(instanceId, logger)
+            IEventBusSubscription subscription,
+            IApplicationVersionService applicationVersionService
+            ) : base(instanceId, logger)
         {
             UpdateLocation = location;
             Prerelease = prerelease;
             EventHandlerController = eventHandlerController;
             ApplicationUpdateEventFactory = applicationUpdateEventFactory;
             EventBus = eventBus;
             Subscription = subscription;
+            ApplicationVersionService = applicationVersionService;
         }
 
-        protected override void Main()
+        private void AutoUpdaterOnParseUpdateInfoEvent(ParseUpdateInfoEventArgs args)
         {
-            if (Debugger.IsAttached)
+            // We're expecting a github endpoint, returning a JSON of what is available on the release page.
+            // see https://github.com/gitapi/repos/dennis/slipstream/releases
+            // We will always use the latest version and check if that differs from the installed version
+            // When looking for which asset to download, we'll just download the first .exe file we find.
+
+            // AutoUpdaterDotNET also features UI, giving a dialog box that asks user if they want to update,
+            // skip or remind later. But to utilize this, we need to be doing this from the UI thread.
+            // It might make sense to move it to WinForm?
+
+            if (!(JsonConvert.DeserializeObject(args.RemoteData) is JArray json))
             {
-                Logger.Information("Auto update is disabled when a Debugger is attached");
+                Logger.Information("Auto update, can't read json returned from update server");
                 return;
             }
 
-            Logger.Information($"Auto update, updating from {UpdateLocation}, prerelease: {Prerelease} {Thread.CurrentThread.ManagedThreadId}");
+            static string GetVersionFromTag(string tag) => tag.Remove(0, tag.IndexOf('v') + 1);
 
-            Init();
+            var latestRelease = json[0];
+            if (latestRelease == null)
+            {
+                Logger.Information("Auto update, didn't find any information for last version");
+                return;
+            }
 
-            while (!Stopping)
+            if (!(latestRelease["tag_name"] is JValue newestRelease))
             {
-                IEvent? @event = Subscription.NextEvent(100);
+                Logger.Information("Auto update, can't read newest version information");
+                return;
+            }
 
-                if (@event != null)
+            var newestReleaseStr = newestRelease.Value as string;
+            var CurrentVersion = GetVersionFromTag(newestReleaseStr!);
+            var ChangelogUrl = string.Empty;
+
+            if (!(latestRelease["assets"] is JArray assets))
+            {
+                Logger.Information("Auto update, no assets found");
+                return;
+            }
+
+            foreach (var asset in assets)
+            {
+                if (asset["browser_download_url"] is JValue downloadUrl && downloadUrl.Value is string downloadUrlStr && downloadUrlStr.EndsWith(".exe"))
                 {
-                    EventHandlerController.HandleEvent(@event);
+                    args.UpdateInfo = new UpdateInfoEventArgs
+                    {
+                        CurrentVersion = CurrentVersion,
+                        ChangelogURL = ChangelogUrl,
+                        DownloadURL = downloadUrlStr
+                    };
+
+                    break;
                 }
             }
         }
 
-        private void Init()
+        protected override void Main()
         {
-            if (string.IsNullOrEmpty(UpdateLocation))
-            {
-                Logger.Information("Auto update is disabled, no update location specified");
-                return;
-            }
-
-            using var updateManager = CreateUpdateManager();
+            Logger.Information($"Auto update, updating from {UpdateLocation}, prerelease: {Prerelease} {Thread.CurrentThread.ManagedThreadId}");
 
-            if (updateManager?.IsInstalledApp == true)
-            {
-                Logger.Information($"Installed application: auto update enabled {Thread.CurrentThread.ManagedThreadId}");
+            AutoUpdater.HttpUserAgent = $"{Assembly.GetExecutingAssembly().GetName().Name} v{ApplicationVersionService.Version}";
+            AutoUpdater.ParseUpdateInfoEvent += AutoUpdaterOnParseUpdateInfoEvent;
+            AutoUpdater.CheckForUpdateEvent += AutoUpdaterOnCheckFOrUpdateEvent;
+            AutoUpdater.PersistenceProvider = new JsonFilePersistenceProvider(Path.Combine(Environment.CurrentDirectory, "autoupdate.json"));
 
-                var applicationUpdate = EventHandlerController.Get<EventHandler.ApplicationUpdateEventHandler>();
+            var applicationUpdate = EventHandlerController.Get<EventHandler.ApplicationUpdateEventHandler>();
+            applicationUpdate.OnApplicationUpdateCommandCheckLatestVersion += (s, e) => CheckForAppUpdates();
+            applicationUpdate.OnApplicationUpdateLatestVersionChanged += (s, e) => OnApplicationVersionChanged();
 
-                applicationUpdate.OnApplicationUpdateCommandCheckLatestVersion += async (s, e) => await CheckForAppUpdates();
-                applicationUpdate.OnApplicationUpdateLatestVersionChanged += async (s, e) => await OnApplicationVersionChanged();
+            while (!Stopping)
+            {
+                IEvent? @event = Subscription.NextEvent(100);
 
-                // Send update event to check for update at startup
-                EventBus.PublishEvent(ApplicationUpdateEventFactory.CreateApplicationUpdateCommandCheckLatestVersion());
+                if (@event != null)
+                {
+                    EventHandlerController.HandleEvent(@event);
+                }
             }
         }
 
-        private UpdateManager? CreateUpdateManager()
+        private void OnApplicationVersionChanged()
         {
-            if (string.IsNullOrEmpty(UpdateLocation))
+            if (LastUpdateInfoEventArgs == null)
+                return;
+
+            try
             {
-                return null;
+                if (AutoUpdater.DownloadUpdate(LastUpdateInfoEventArgs))
+                {
+                    Logger.Information("Auto update: Updated version. Restart to use it");
+                }
+                else
+                {
+                    Logger.Information("Auto update cancelled");
+                }
             }
-
-            var isGitHub = UpdateLocation.StartsWith("https://github.com");
-
-            if (isGitHub)
+            catch (Exception exception)
             {
-                var asyncUpdateManager = UpdateManager.GitHubUpdateManager(UpdateLocation, prerelease: Prerelease);
-                asyncUpdateManager.Wait();
-                return asyncUpdateManager.Result;
+                Logger.Error("Auto update error: " + exception.Message);
             }
 
-            return new UpdateManager(UpdateLocation);
+            LastUpdateInfoEventArgs = null;
         }
 
-        private async Task CheckForAppUpdates()
+        private void AutoUpdaterOnCheckFOrUpdateEvent(UpdateInfoEventArgs args)
         {
-            Logger.Information("Auto update, checking lastest version");
-            using var updateManager = CreateUpdateManager();
-
-            if (updateManager == null)
-                return;
+            if (args.Error == null)
+            {
+                if (args.IsUpdateAvailable)
+                {
+                    Logger.Information($"Auto update, new version {args.CurrentVersion} available. You are using version {args.InstalledVersion}.");
 
-            var canUpdate = await updateManager.CheckForUpdate();
+                    LastUpdateInfoEventArgs = args;
 
-            if (canUpdate.ReleasesToApply.Any())
-            {
-                Logger.Information("Auto update, new version available, raising the event");
-                EventBus.PublishEvent(ApplicationUpdateEventFactory.CreateApplicationUpdateLatestVersionChanged(canUpdate.FutureReleaseEntry.Version.ToString()));
+                    EventBus.PublishEvent(ApplicationUpdateEventFactory.CreateApplicationUpdateLatestVersionChanged(args.CurrentVersion));
+                }
+                else
+                {
+                    Logger.Information("Auto update, no update available");
+                }
             }
             else
             {
-                Logger.Information($"Auto update, no update available {Thread.CurrentThread.ManagedThreadId}");
+                if (args.Error is WebException)
+                {
+                    Logger.Error("Auto update, can't reach update server");
+                }
+                else
+                {
+                    Logger.Error("Auto update error: " + args.Error.Message);
+                }
             }
         }
 
-        private async Task OnApplicationVersionChanged()
-        {
-            using var updateManager = CreateUpdateManager();
-            if (updateManager == null)
-                return;
-            await DoAppUpdates(updateManager);
-        }
-
-        private async Task DoAppUpdates(UpdateManager updateManager)
+        private void CheckForAppUpdates()
         {
-            Logger.Information("Auto updating to the latest version");
-            var releaseInfo = await updateManager.UpdateApp();
-            Logger.Information($"Auto update, update completed for {releaseInfo.Version}");
+            AutoUpdater.Start(UpdateLocation);
         }
     }
 }
diff --git a/Components/AppilcationUpdate/Lua/ApplicationUpdateLuaLibrary.cs b/Components/AppilcationUpdate/Lua/ApplicationUpdateLuaLibrary.cs
@@ -8,7 +8,7 @@
 
 namespace Slipstream.Components.AppilcationUpdate.Lua
 {
-    public class ApplicationUpdateLuaLibrary : BaseLuaLibrary<IApplicationUpdateInstanceThread, IApplicationUpdateReference>
+    public class ApplicationUpdateLuaLibrary : SingletonLuaLibrary<IApplicationUpdateInstanceThread, IApplicationUpdateReference>
     {
         private static readonly DictionaryValidator ConfigurationValidator;
 

diff --git a/Components/AppilcationUpdate/Lua/ApplicationUpdateReference.cs b/Components/AppilcationUpdate/Lua/ApplicationUpdateReference.cs
@@ -1,14 +1,27 @@
-namespace Slipstream.Components.AppilcationUpdate.Lua
+using Slipstream.Shared;
+
+namespace Slipstream.Components.AppilcationUpdate.Lua
 {
     public class ApplicationUpdateReference : IApplicationUpdateReference
     {
         private ApplicationUpdateLuaLibrary LuaLibrary { get; }
         public string InstanceId { get; }
 
-        public ApplicationUpdateReference(ApplicationUpdateLuaLibrary luaLibrary, string instanceId)
+        private readonly IApplicationUpdateEventFactory ApplicationUpdateEventFactory;
+        private readonly IEventBus EventBus;
+
+        public ApplicationUpdateReference(ApplicationUpdateLuaLibrary luaLibrary, string instanceId, IEventBus eventBus, IApplicationUpdateEventFactory eventFactory)
         {
             LuaLibrary = luaLibrary;
             InstanceId = instanceId;
+            ApplicationUpdateEventFactory = eventFactory;
+            EventBus = eventBus;
+        }
+
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Style", "IDE1006:Naming Styles", Justification = "This is expose in Lua, so we want to keep that naming style")]
+        public void start()
+        {
+            EventBus.PublishEvent(ApplicationUpdateEventFactory.CreateApplicationUpdateCommandCheckLatestVersion());
         }
 
         public void Dispose()

diff --git a/Slipstream.csproj b/Slipstream.csproj
@@ -1,5 +1,4 @@
 <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="packages\squirrel.windows.2.0.1\build\squirrel.windows.props" Condition="Exists('packages\squirrel.windows.2.0.1\build\squirrel.windows.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -59,6 +58,9 @@
     <Reference Include="Autofac, Version=6.1.0.0, Culture=neutral, PublicKeyToken=17863af14b0044da, processorArchitecture=MSIL">
       <HintPath>packages\Autofac.6.1.0\lib\netstandard2.0\Autofac.dll</HintPath>
     </Reference>
+    <Reference Include="AutoUpdater.NET, Version=1.6.4.0, Culture=neutral, PublicKeyToken=501435c91b35f4bc, processorArchitecture=MSIL">
+      <HintPath>packages\Autoupdater.NET.Official.1.6.4\lib\net45\AutoUpdater.NET.dll</HintPath>
+    </Reference>
     <Reference Include="DeltaCompressionDotNet, Version=1.1.0.0, Culture=neutral, PublicKeyToken=1d14d6e5194e7f4a, processorArchitecture=MSIL">
       <HintPath>packages\DeltaCompressionDotNet.1.1.0\lib\net20\DeltaCompressionDotNet.dll</HintPath>
     </Reference>
@@ -122,9 +124,6 @@
     <Reference Include="NLua, Version=1.5.7.0, Culture=neutral, PublicKeyToken=6a194c04b9c89217, processorArchitecture=MSIL">
       <HintPath>packages\NLua.1.5.7\lib\net46\NLua.dll</HintPath>
     </Reference>
-    <Reference Include="NuGet.Squirrel, Version=3.0.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>packages\squirrel.windows.2.0.1\lib\Net45\NuGet.Squirrel.dll</HintPath>
-    </Reference>
     <Reference Include="Serilog, Version=2.0.0.0, Culture=neutral, PublicKeyToken=24c2f752a8e58a10, processorArchitecture=MSIL">
       <HintPath>packages\Serilog.2.10.0\lib\net46\Serilog.dll</HintPath>
     </Reference>
@@ -134,9 +133,6 @@
     <Reference Include="SharpCompress, Version=0.17.1.0, Culture=neutral, PublicKeyToken=afb0a02973931d96, processorArchitecture=MSIL">
       <HintPath>packages\SharpCompress.0.17.1\lib\net45\SharpCompress.dll</HintPath>
     </Reference>
-    <Reference Include="Squirrel, Version=2.0.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>packages\squirrel.windows.2.0.1\lib\Net45\Squirrel.dll</HintPath>
-    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Buffers, Version=4.0.3.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
       <HintPath>packages\System.Buffers.4.5.1\lib\net461\System.Buffers.dll</HintPath>
@@ -173,6 +169,7 @@
     <Reference Include="System.ValueTuple, Version=4.0.3.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
       <HintPath>packages\System.ValueTuple.4.5.0\lib\net47\System.ValueTuple.dll</HintPath>
     </Reference>
+    <Reference Include="System.Xaml" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="Microsoft.CSharp" />
@@ -497,7 +494,6 @@
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('packages\squirrel.windows.2.0.1\build\squirrel.windows.props')" Text="$([System.String]::Format('$(ErrorText)', 'packages\squirrel.windows.2.0.1\build\squirrel.windows.props'))" />
     <Error Condition="!Exists('packages\KeraLua.1.2.13\build\net46\KeraLua.targets')" Text="$([System.String]::Format('$(ErrorText)', 'packages\KeraLua.1.2.13\build\net46\KeraLua.targets'))" />
   </Target>
   <Target Name="AfterBuild" Condition=" '$(Configuration)' == 'Release'">

diff --git a/packages.config b/packages.config
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Autofac" version="6.1.0" targetFramework="net472" />
+  <package id="Autoupdater.NET.Official" version="1.6.4" targetFramework="net472" />
   <package id="DeltaCompressionDotNet" version="1.1.0" targetFramework="net472" />
   <package id="DSharpPlus" version="3.2.3" targetFramework="net472" />
   <package id="KeraLua" version="1.2.13" targetFramework="net472" />
@@ -20,7 +21,6 @@
   <package id="Serilog" version="2.10.0" targetFramework="net472" />
   <package id="Serilog.Sinks.Console" version="3.1.1" targetFramework="net472" />
   <package id="sharpcompress" version="0.17.1" targetFramework="net472" />
-  <package id="squirrel.windows" version="2.0.1" targetFramework="net472" />
   <package id="System.Buffers" version="4.5.1" targetFramework="net472" />
   <package id="System.Diagnostics.DiagnosticSource" version="4.7.1" targetFramework="net472" />
   <package id="System.Memory" version="4.5.4" targetFramework="net472" />