From ce25c090f57cb787956e190e903cea1fcb5549a4 Mon Sep 17 00:00:00 2001
From: Simon Ding <dingchuan91@gmail.com>
Date: Sun, 29 Sep 2024 13:55:16 +0800
Subject: [PATCH] feat: open url at startup

---
 cmd/main.go        |  9 +++++++++
 pkg/utils/utils.go | 43 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 52 insertions(+)

diff --git a/cmd/main.go b/cmd/main.go
index 9ce1381..c296094 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -3,8 +3,10 @@ package main
 import (
 	"polaris/db"
 	"polaris/log"
+	"polaris/pkg/utils"
 	"polaris/server"
 	"syscall"
+	"time"
 )
 
 func main() {
@@ -17,6 +19,13 @@ func main() {
 		log.Panicf("init db error: %v", err)
 	}
 
+	go func() {
+		time.Sleep(2 * time.Second)
+		if err := utils.OpenURL("http://127.0.0.1:8080"); err != nil {
+			log.Errorf("open url error: %v", err)
+		}
+
+	}()
 	s := server.NewServer(dbClient)
 	if err := s.Serve(); err != nil {
 		log.Errorf("server start error: %v", err)
diff --git a/pkg/utils/utils.go b/pkg/utils/utils.go
index 9bc682d..4125592 100644
--- a/pkg/utils/utils.go
+++ b/pkg/utils/utils.go
@@ -3,7 +3,9 @@ package utils
 import (
 	"encoding/json"
 	"os"
+	"os/exec"
 	"regexp"
+	"runtime"
 	"strconv"
 	"strings"
 	"unicode"
@@ -183,3 +185,44 @@ func trimMapStringInterface(data interface{}) interface{} {
 	}
 	return data
 }
+
+// https://stackoverflow.com/questions/39320371/how-start-web-server-to-open-page-in-browser-in-golang
+// openURL opens the specified URL in the default browser of the user.
+func OpenURL(url string) error {
+	var cmd string
+	var args []string
+
+	switch runtime.GOOS {
+	case "windows":
+		cmd = "cmd"
+		args = []string{"/c", "start"}
+	case "darwin":
+		cmd = "open"
+		args = []string{url}
+	default: // "linux", "freebsd", "openbsd", "netbsd"
+		// Check if running under WSL
+		if isWSL() {
+			// Use 'cmd.exe /c start' to open the URL in the default Windows browser
+			cmd = "cmd.exe"
+			args = []string{"/c", "start", url}
+		} else {
+			// Use xdg-open on native Linux environments
+			cmd = "xdg-open"
+			args = []string{url}
+		}
+	}
+	if len(args) > 1 {
+		// args[0] is used for 'start' command argument, to prevent issues with URLs starting with a quote
+		args = append(args[:1], append([]string{""}, args[1:]...)...)
+	}
+	return exec.Command(cmd, args...).Start()
+}
+
+// isWSL checks if the Go program is running inside Windows Subsystem for Linux
+func isWSL() bool {
+	releaseData, err := exec.Command("uname", "-r").Output()
+	if err != nil {
+		return false
+	}
+	return strings.Contains(strings.ToLower(string(releaseData)), "microsoft")
+}