CKB/app/Providers/AuthServiceProvider.php

<?php

namespace App\Providers;

use App\Models\Menu;
use App\Models\Privilege;
use App\Models\User;
use Illuminate\Foundation\Support\Providers\AuthServiceProvider as ServiceProvider;
use Illuminate\Support\Facades\Gate;

class AuthServiceProvider extends ServiceProvider
{
    /**
     * The policy mappings for the application.
     *
     * @var array<class-string, class-string>
     */
    protected $policies = [
        // 'App\Models\Model' => 'App\Policies\ModelPolicy',
    ];

    /**
     * Register any authentication / authorization services.
     *
     * @return void
     */
    public function boot()
    {
        $this->registerPolicies();

        Gate::define(
            'create',
            function (User $user, Menu $menu) {
                $role_id = $user->role_id;
                $privilegeData = Privilege::where('role_id', $role_id)
                    ->where('menu_id', $menu->id)
                    ->where('create', 1)
                    ->first();

                $privilegeData ? $privilege = true : $privilege = false;
                if($role_id == 0) {
                    $privilege = true;
                }

                return $privilege;
            }
        );

        Gate::define(
            'update',
            function (User $user, Menu $menu) {
                $role_id = $user->role_id;
                $privilegeData = Privilege::where('role_id', $role_id)
                    ->where('menu_id', $menu->id)
                    ->where('update', 1)
                    ->first();

                $privilegeData ? $privilege = true : $privilege = false;
                if($role_id == 0) {
                    $privilege = true;
                }

                return $privilege;
            }
        );

        Gate::define(
            'delete',
            function (User $user, Menu $menu) {
                $role_id = $user->role_id;
                $privilegeData = Privilege::where('role_id', $role_id)
                    ->where('menu_id', $menu->id)
                    ->where('delete', 1)
                    ->first();

                $privilegeData ? $privilege = true : $privilege = false;
                if($role_id == 0) {
                    $privilege = true;
                }

                return $privilege;
            }
        );

        Gate::define(
            'view',
            function (User $user, Menu $menu) {
                $role_id = $user->role_id;
                $privilegeData = Privilege::where('role_id', $role_id)
                    ->where('menu_id', $menu->id)
                    ->where('view', 1)
                    ->first();

                $privilegeData ? $privilege = true : $privilege = false;
                if($role_id == 0) {
                    $privilege = true;
                }

                return $privilege;
            }
        );
    }
}