public function createAdminMenu() {
        $connection = \Yii::$app->db;
        $query = new Query;
        if(!$this->singleMenu) {
            $menu_name = $this->friendly($this->getController());
            $menu = $query->from('AdminMenu')
                ->where('internal=:internal', [':internal'=>$this->menu])
                ->one();

            if(!$menu) {
                $query = new Query;
                // compose the query
                $last_main_menu = $query->from('AdminMenu')
                    ->where('AdminMenu_id IS NULL')
                    ->orderby('order DESC')          
                    ->one();

                $this->insert('AdminMenu', [
                    "name" => $this->menu,
                    "internal" => $this->menu,
                    "url" => '',
                    "ap" => 'read::'.$this->getController(),
                    "order" => $last_main_menu ? $last_main_menu['order'] + 1 : 1
                ]);
                $menu_id = $connection->getLastInsertID();
            } else {
                $menu_id = $menu['id'];
            }
        } else {
            $menu_id = NULL;
            $menu_name = $this->menu;
        }
        $query = new Query;

        $last_menu = $query->from('AdminMenu')
                ->from('AdminMenu')
                ->where('AdminMenu_id=:AdminMenu_id', [':AdminMenu_id'=>$menu_id])
                ->orderby('order DESC')
                ->one();

        $this->insert('AdminMenu', [
            "AdminMenu_id" => $menu_id,
            "name" => $menu_name,
            "internal" => $this->getController() . 'Controller',
            "url" => ($this->module ? '/' . $this->module : '' ) . '/'. strtolower(trim(preg_replace("([A-Z])", "-$0", $this->getController()), '-')).'/',
            "ap" => 'read::'.$this->getController(),
            "order" => $last_menu ? $last_menu['order'] + 1 : 1
        ]);
    }