Implement update

extra/exe-builder/DownloadForm.cs

@@ -27,11 +27,12 @@ namespace UptimeKuma {
             label.Text = "Reading latest version...";
 
             // Read json from https://uptime.kuma.pet/version
-            var versionObj = JsonConvert.DeserializeObject<Version>(new WebClient().DownloadString("https://uptime.kuma.pet/version"));
-
+            var versionJson = new WebClient().DownloadString("https://uptime.kuma.pet/version");
+            var versionObj = JsonConvert.DeserializeObject<Version>(versionJson);
 
             var nodeVersion = versionObj.nodejs;
             var uptimeKumaVersion = versionObj.latest;
+            var hasUpdateFile = File.Exists("update");
 
             if (!Directory.Exists("node")) {
                 downloadQueue.Enqueue(new DownloadItem {
@@ -41,12 +42,30 @@ namespace UptimeKuma {
                 });
             }
 
-            if (!Directory.Exists("node")) {
+            if (!Directory.Exists("core") || hasUpdateFile) {
+
+                // It is update, rename the core folder to core.old
+                if (Directory.Exists("core")) {
+                    // Remove the old core.old folder
+                    if (Directory.Exists("core.old")) {
+                        Directory.Delete("core.old", true);
+                    }
+
+                    Directory.Move("core", "core.old");
+                }
+
                 downloadQueue.Enqueue(new DownloadItem {
                     URL = $"https://github.com/louislam/uptime-kuma/archive/refs/tags/{uptimeKumaVersion}.zip",
                     Filename = "core.zip",
                     TargetFolder = "core"
                 });
+
+                File.WriteAllText("version.json", versionJson);
+
+                // Delete the update file
+                if (hasUpdateFile) {
+                    File.Delete("update");
+                }
             }
 
             DownloadNextFile();
@@ -75,9 +94,12 @@ namespace UptimeKuma {
         void npmSetup() {
             labelData.Text = "";
 
+            var npm = "..\\node\\npm.cmd";
+            var cmd = $"{npm} ci --production & {npm} run download-dist & exit";
+
             var startInfo = new ProcessStartInfo {
                 FileName = "cmd.exe",
-                Arguments = "run setup",
+                Arguments = $"/k \"{cmd}\"",
                 RedirectStandardOutput = false,
                 RedirectStandardError = false,
                 RedirectStandardInput = true,
@@ -89,11 +111,11 @@ namespace UptimeKuma {
             var process = new Process();
             process.StartInfo = startInfo;
             process.EnableRaisingEvents = true;
-            process.Exited += (object _, EventArgs e) => {
+            process.Exited += (_, e) => {
                 progressBar.Value = 100;
 
                if (process.ExitCode == 0) {
-                   Task.Delay(2000).ContinueWith((task) => {
+                   Task.Delay(2000).ContinueWith(_ => {
                        Application.Restart();
                    });
                    label.Text = "Done";
@@ -105,10 +127,7 @@ namespace UptimeKuma {
             process.Start();
             label.Text = "Installing dependencies and download dist files";
             progressBar.Value = 50;
-
-            process.StandardInput.WriteLine("\"../node/npm\" ci --production");
-            process.StandardInput.WriteLine("\"../node/npm\" run download-dist");
-            process.StandardInput.WriteLine("exit");
+            process.WaitForExit();
         }
 
         void DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e) {

extra/exe-builder/Program.cs

@@ -4,11 +4,13 @@ using System.Diagnostics;
 using System.Drawing;
 using System.IO;
 using System.Linq;
+using System.Net;
 using System.Reflection;
 using System.Runtime.InteropServices;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 using Microsoft.Win32;
+using Newtonsoft.Json;
 using UptimeKuma.Properties;
 
 namespace UptimeKuma {
@@ -56,7 +58,9 @@ namespace UptimeKuma {
             trayIcon.MouseDoubleClick += new MouseEventHandler(Open);
             trayIcon.Visible = true;
 
-            if (Directory.Exists("core") && Directory.Exists("node") && Directory.Exists("core/node_modules") && Directory.Exists("core/dist")) {
+            var hasUpdateFile = File.Exists("update");
+
+            if (!hasUpdateFile && Directory.Exists("core") && Directory.Exists("node") && Directory.Exists("core/node_modules") && Directory.Exists("core/dist")) {
                 // Go go go
                 StartProcess();
             } else {
@@ -110,6 +114,10 @@ namespace UptimeKuma {
             }
         }
 
+        void StopProcess() {
+            process?.Kill();
+        }
+
         void Open(object sender, EventArgs e) {
             Process.Start("http://localhost:3001");
         }
@@ -119,7 +127,35 @@ namespace UptimeKuma {
         }
 
         void CheckForUpdate(object sender, EventArgs e) {
-            Process.Start("https://github.com/louislam/uptime-kuma/releases");
+            var needUpdate = false;
+
+            // Check version.json exists
+            if (File.Exists("version.json")) {
+                // Load version.json and compare with the latest version from GitHub
+                var currentVersionObj = JsonConvert.DeserializeObject<Version>(File.ReadAllText("version.json"));
+
+                var versionJson = new WebClient().DownloadString("https://uptime.kuma.pet/version");
+                var latestVersionObj = JsonConvert.DeserializeObject<Version>(versionJson);
+
+                // Compare version, if the latest version is newer, then update
+                if (new System.Version(latestVersionObj.latest).CompareTo(new System.Version(currentVersionObj.latest)) > 0) {
+                    var result = MessageBox.Show("A new version is available. Do you want to update?", "Update", MessageBoxButtons.YesNo);
+                    if (result == DialogResult.Yes) {
+                        // Create a empty file `update`, so the app will download the core files again at startup
+                        File.Create("update").Close();
+
+                        trayIcon.Visible = false;
+                        process?.Kill();
+
+                        // Restart the app, it will download the core files again at startup
+                        Application.Restart();
+                    }
+                } else {
+                    MessageBox.Show("You are using the latest version.");
+                }
+            }
+
+
         }
 
         void VisitGitHub(object sender, EventArgs e)