wticreatorstudio/Modules/MenuPlus/Services/CommonService.php

<?php
namespace Modules\MenuPlus\Services;

use Illuminate\Support\Facades\Auth;
use Modules\Appearance\Repositories\ThemeColorRepository;

class CommonService
{
    public function getThemeColor() {
        $repository = new ThemeColorRepository();
        $themeColor = $repository->activeColor();  

        return $themeColor;
    }

    public function isVisible($element) {
        $metas = $element->metas;
        if (count($metas) > 0) {
            $audience = null;
            $roles = null;
            for ($i = 0; $i < count($metas); $i++) {
                $meta = $metas[$i];
                if ($meta->meta_name == 'audience') {
                    $audience = $meta->meta_value;
                }
                else if ($meta->meta_name == 'roles') {
                    $roles = trim($meta->meta_value);
                }
            }

            if ($audience == 'everyone') {
                return true;
            }
            else if ($audience == 'logged-in-users') {
                if (auth()->user()) {
                    if ($roles) {
                        if (strstr($roles, auth()->user()->role->id)) {
                            return true;
                        }
                    }
                    else {
                        return true;
                    }
                }
            }
            else if ($audience == 'logged-out-users') {
                if (!Auth::check()) {
                    return true;
                }
            }
        }

        return false;
    }
}