Start browser, store latest field data

main.go

@@ -12,6 +12,8 @@ import (
 	"log"
 	"net/http"
 	"os"
+	"os/exec"
+	"strings"
 )
 
 var (
@@ -32,6 +34,8 @@ func main() {
 	http.HandleFunc("/", pageIndex)
 	http.HandleFunc("/css/main.css", pageCSS)
 
+	http.HandleFunc("/browser/start", actionBrowserStart)
+
 	http.HandleFunc("/start", actionStart)
 	http.HandleFunc("/stop/{uuid}", actionStop)
 	http.HandleFunc("/sites", actionSites)
@@ -40,6 +44,20 @@ func main() {
 	http.ListenAndServe("[::]:5123", nil)
 }
 
+func replaceTilde(str string) string {// {{{
+	homedir, err := os.UserHomeDir()
+	if err != nil {
+		log.Println(err)
+		return str
+	}
+
+	if str[0] == '~' {
+		str = strings.Replace(str, "~", homedir, 1)
+	}
+
+	return str
+}// }}}
+
 func pageIndex(w http.ResponseWriter, r *http.Request) { // {{{
 	var tmpl *template.Template
 	var err error
@@ -76,6 +94,17 @@ func actionSites(w http.ResponseWriter, r *http.Request) { // {{{
 	w.Write(j)
 } // }}}
 
+func actionBrowserStart(w http.ResponseWriter, r *http.Request) {// {{{
+	body, _ := io.ReadAll(r.Body)
+	userDataDir := replaceTilde(string(body))
+	browser := exec.Command("google-chrome", "--user-data-dir="+string(userDataDir), "--remote-debugging-port=9222")
+	err := browser.Start()
+	if err != nil {
+		log.Println(err)
+	} else {
+		go browser.Wait()
+	}
+}// }}}
 func actionStart(w http.ResponseWriter, r *http.Request) { // {{{
 	var req struct {
 		URL   string
@@ -97,7 +126,8 @@ func actionStart(w http.ResponseWriter, r *http.Request) { // {{{
 	}
 
 	var site Site
-	site, err = NewSite(flagWsURL, req.URL, req.Watch)
+	expandedWatch := replaceTilde(req.Watch)
+	site, err = NewSite(flagWsURL, req.URL, expandedWatch)
 	if err != nil {
 		log.Println(err)
 	}