From 0c13e9f3c4997a4807ca9ab069fc30be8194d60d Mon Sep 17 00:00:00 2001
From: Carl Chang <changb0wen@outlook.com>
Date: Sat, 5 Nov 2022 15:10:10 +0800
Subject: [PATCH] add update check; bump version;

---
 App.xaml.cs                       | 28 +++++++++++++++++++++++++---
 DesktopNote.csproj                |  1 +
 Properties/AssemblyInfo.cs        |  4 ++--
 Resources/StringResources.en.xaml |  4 ++++
 Resources/StringResources.zh.xaml |  4 ++++
 5 files changed, 36 insertions(+), 5 deletions(-)

diff --git a/App.xaml.cs b/App.xaml.cs
index 6eb3060..e8b10f6 100644
--- a/App.xaml.cs
+++ b/App.xaml.cs
@@ -1,11 +1,13 @@
 using System;
 using System.Collections.Generic;
 using System.Runtime.InteropServices;
-//using System.Configuration;
-//using System.Data;
 using System.Linq;
-//using System.Threading.Tasks;
 using System.Windows;
+using System.Threading.Tasks;
+using System.IO;
+using System.Web.Script.Serialization;
+using System.Net;
+using System.Diagnostics;
 
 namespace DesktopNote
 {
@@ -78,6 +80,26 @@ private void RunCheck(object sender1, StartupEventArgs e1)
             if (!langadded)
                 Resources.MergedDictionaries.Add(new ResourceDictionary() { Source = new Uri(@"Resources\StringResources.en.xaml", UriKind.Relative) });
 
+            // check for updates
+            Task.Run(() => {
+                var localVer = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version;
+                var req = WebRequest.CreateHttp($@"https://api.github.com/repos/changbowen/{nameof(DesktopNote)}/releases/latest");
+                req.ContentType = @"application/json; charset=utf-8";
+                req.UserAgent = nameof(DesktopNote); // needed otherwise 403
+                req.Timeout = 10000;
+                using (var res = req.GetResponse())
+                using (var stream = res.GetResponseStream())
+                using (var reader = new StreamReader(stream, System.Text.Encoding.UTF8)) {
+                    var dict = new JavaScriptSerializer().Deserialize<Dictionary<string, object>>(reader.ReadToEnd());
+                    if (!dict.TryGetValue("tag_name", out var tagName)) return;
+                    var remoteVer = Version.Parse(((string)tagName).TrimStart('v'));
+                    if (localVer < remoteVer && MessageBox.Show(string.Format((string)App.Res["msgbox_new_version_avail"],
+                        localVer, remoteVer), string.Empty, MessageBoxButton.OKCancel, MessageBoxImage.Information) == MessageBoxResult.OK) {
+                        Process.Start(@"explorer", $@"https://github.com/changbowen/{nameof(DesktopNote)}/releases");
+                    }
+                }
+            });
+
             //other run checks
             if (PathIsNetworkPath(AppDomain.CurrentDomain.BaseDirectory)) {
                 Helpers.MsgBox("msgbox_run_from_network", button: MessageBoxButton.OK, image: MessageBoxImage.Exclamation);
diff --git a/DesktopNote.csproj b/DesktopNote.csproj
index c13b7ed..6074062 100644
--- a/DesktopNote.csproj
+++ b/DesktopNote.csproj
@@ -68,6 +68,7 @@
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Drawing" />
+    <Reference Include="System.Web.Extensions" />
     <Reference Include="System.Xml" />
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.Core" />
diff --git a/Properties/AssemblyInfo.cs b/Properties/AssemblyInfo.cs
index fa4f88e..21b77ad 100644
--- a/Properties/AssemblyInfo.cs
+++ b/Properties/AssemblyInfo.cs
@@ -51,5 +51,5 @@
 // 可以指定所有这些值，也可以使用“生成号”和“修订号”的默认值，
 // 方法是按如下所示使用“*”: 
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.6.1.0")]
-[assembly: AssemblyFileVersion("1.6.1.0")]
+[assembly: AssemblyVersion("1.6.2.0")]
+[assembly: AssemblyFileVersion("1.6.2.0")]
diff --git a/Resources/StringResources.en.xaml b/Resources/StringResources.en.xaml
index 05cd3a7..70b299d 100644
--- a/Resources/StringResources.en.xaml
+++ b/Resources/StringResources.en.xaml
@@ -67,4 +67,8 @@ Program will exit now.</sys:String>
     <sys:String x:Key="msgbox_not_saved_confirm">Current note content is not saved. Changes will be lost after exiting. Exit anyway?</sys:String>
     <sys:String x:Key="label_filename">File Name</sys:String>
     <sys:String x:Key="msgbox_file_already_opened">The file is already opened in another window!</sys:String>
+    <sys:String x:Key="msgbox_new_version_avail">A new version is available.
+Current version: {0}
+New version: {1}
+Click OK to open the release page.</sys:String>
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Resources/StringResources.zh.xaml b/Resources/StringResources.zh.xaml
index 0be7017..f1f5569 100644
--- a/Resources/StringResources.zh.xaml
+++ b/Resources/StringResources.zh.xaml
@@ -67,4 +67,8 @@
     <sys:String x:Key="msgbox_not_saved_confirm">当前笔记内容并未保存，退出会丢失更改的内容。确定要退出吗？</sys:String>
     <sys:String x:Key="label_filename">文件名</sys:String>
     <sys:String x:Key="msgbox_file_already_opened">该文件已在另一窗口中打开！</sys:String>
+    <sys:String x:Key="msgbox_new_version_avail">有新版本可用。
+当前版本: {0}
+新版本: {1}
+点击确定以打开发布页面。</sys:String>
 </ResourceDictionary>
\ No newline at end of file