Fix username changing only on frontend

service/database/db-users.go

@@ -58,10 +58,13 @@ func (db *appdbimpl) CreateUser(name string) (string, error) {
 		return "", errors.New("username already exists")
 	}
 
+	// create new user id
 	uid, err := uuid.NewV4()
 	if err != nil {
 		return "", err
 	}
+
+	// insert the new user into the database
 	_, err = db.c.Exec(`INSERT INTO "users" ("uid", "name") VALUES (?, ?)`, uid.String(), name)
 	return uid.String(), err
 }

webui/src/components/UserCard.vue

@@ -75,6 +75,7 @@ export default {
         updateUsername() {
             this.$axios.put("/users/" + this.$currentSession() + "/username", { name: this.newUsername })
                 .then(response => {
+                    if (response == null) return; // the interceptors returns null if something goes bad
                     this.show_username_form = false
                     this.$emit('updateInfo')
                     this.username = this.newUsername