GenerateUUID zum erstellen einer pseudozufälligen, 8 Stellen langen Hexadezimalzahl

packages/server/server.go

@@ -1,6 +1,8 @@
 package server
 
 import (
+	"crypto/rand"
+	"encoding/hex"
 	"fmt"
 	"html/template"
 	"log"
@@ -71,6 +73,19 @@ func SubmitForm(db *db.DB, i, j *int64) http.HandlerFunc {
 		if err != nil {
 			_ = fmt.Errorf("SubmitForm: db.ReadAll(): %v\n", err)
 		}
-		template.Must(template.ParseFiles("templates/index.html", "templates/table.html")).Execute(w, bs)
+		template.Must(template.ParseFiles("templates/table.html")).Execute(w, bs)
+	}
+}
+
+func GenerateUUID() http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		bs := make([]byte, 4)
+
+		_, err := rand.Read(bs)
+		if err != nil {
+			_ = fmt.Errorf("GenerateUUID: rand.Read(bs): %v\n", err)
+		}
+
+		template.Must(template.ParseFiles("templates/form.html")).ExecuteTemplate(w, "uuid", hex.EncodeToString(bs))
 	}
 }