From 16c34fbc9692ca20f94ead40af8fc280eb012bee Mon Sep 17 00:00:00 2001
From: xljiulang <366193849@qq.com>
Date: Sun, 20 Jun 2021 10:58:27 +0800
Subject: [PATCH] 1.0.0-rc1

---
 FastGithub/FastGithub.csproj       |  4 +-
 FastGithub/Program.cs              |  6 +-
 FastGithub/VersionHostedService.cs | 94 ++++++++++++++++++++++++++++++
 3 files changed, 100 insertions(+), 4 deletions(-)
 create mode 100644 FastGithub/VersionHostedService.cs

diff --git a/FastGithub/FastGithub.csproj b/FastGithub/FastGithub.csproj
index 958d741..90c518d 100644
--- a/FastGithub/FastGithub.csproj
+++ b/FastGithub/FastGithub.csproj
@@ -4,7 +4,7 @@
 		<OutputType>Exe</OutputType>
 		<Nullable>enable</Nullable>
 		<TargetFrameworks>net5.0;net6.0</TargetFrameworks>
-		<Version>1.0.0-beta4</Version>
+		<Version>1.0.0-rc1</Version>
 		<Description>github定制版的dns服务，解析github最优的ip</Description>
 		<PackageLicenseExpression>MIT</PackageLicenseExpression>
 		<Copyright>https://github.com/xljiulang/FastGithub</Copyright>
@@ -25,7 +25,7 @@
 			<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
 		</None>
 		<None Update="README.MD">
-		  <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+			<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
 		</None>
 	</ItemGroup>
 
diff --git a/FastGithub/Program.cs b/FastGithub/Program.cs
index 697213c..829b7e7 100644
--- a/FastGithub/Program.cs
+++ b/FastGithub/Program.cs
@@ -1,4 +1,5 @@
-using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
 
 namespace FastGithub
 {
@@ -25,7 +26,8 @@ namespace FastGithub
                 .UseWindowsService()
                 .UseBinaryPathContentRoot()
                 .ConfigureServices((ctx, services) =>
-                { 
+                {
+                    services.AddHostedService<VersionHostedService>();
                     services.AddGithubDns(ctx.Configuration);
                 });
         }
diff --git a/FastGithub/VersionHostedService.cs b/FastGithub/VersionHostedService.cs
new file mode 100644
index 0000000..f9e6ea2
--- /dev/null
+++ b/FastGithub/VersionHostedService.cs
@@ -0,0 +1,94 @@
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Linq;
+using System.Net.Http;
+using System.Net.Http.Json;
+using System.Reflection;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace FastGithub
+{
+    /// <summary>
+    /// 版本检查
+    /// </summary>
+    sealed class VersionHostedService : IHostedService
+    {
+        private readonly ILogger<VersionHostedService> logger;
+
+        public VersionHostedService(ILogger<VersionHostedService> logger)
+        {
+            this.logger = logger;
+        }
+
+        public Task StartAsync(CancellationToken cancellationToken)
+        {
+            return this.CheckVersionAsync(cancellationToken);
+        }
+
+        public Task StopAsync(CancellationToken cancellationToken)
+        {
+            return Task.CompletedTask;
+        }
+
+        /// <summary>
+        /// 检测新版本
+        /// </summary>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        private async Task CheckVersionAsync(CancellationToken cancellationToken)
+        {
+            try
+            {
+                var version = Assembly.GetEntryAssembly()?.GetName().Version;
+                if (version == null)
+                {
+                    return;
+                }
+
+                using var httpClient = new HttpClient();
+                var uri = "https://gitee.com/api/v5/repos/jiulang/fast-github/releases?page=1&per_page=1&direction=desc";
+                var results = await httpClient.GetFromJsonAsync<Release[]>(uri, cancellationToken);
+                var release = results?.FirstOrDefault();
+                if (release == null)
+                {
+                    return;
+                }
+
+                if (string.Equals(release.tag_name, version.ToString(), StringComparison.OrdinalIgnoreCase) == false)
+                {
+                    this.logger.LogInformation($"您正在使用{version}版本{Environment.NewLine}请前往https://gitee.com/jiulang/fast-github/releases下载新版本");
+                    this.logger.LogInformation(release.ToString());
+                }
+            }
+            catch (Exception ex)
+            {
+                this.logger.LogWarning($"检测升级信息失败：{ex.Message}");
+            }
+        }
+
+
+        /// <summary>
+        /// 发行记录
+        /// </summary>
+        private class Release
+        {
+            public string tag_name { get; set; } = string.Empty;
+
+            public string body { get; set; } = string.Empty;
+
+            public DateTime created_at { get; set; }
+
+            public override string ToString()
+            {
+                return new StringBuilder()
+                    .Append("最新版本：").AppendLine(this.tag_name)
+                    .Append("发布时间：").AppendLine(this.created_at.ToString())
+                    .AppendLine("更新内容：").AppendLine(this.body)
+                    .ToString();
+            }
+        }
+    }
+}