jucai/app/Models/Admin/AdminRole.php

<?php
namespace App\Models\Admin;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;

class AdminRole extends Model
{
    protected $table = 'admin_roles';
    
    static $consultantSlug = 'consultant';
    
    protected $fillable = ['name', 'slug','subsite_id'];

    public function permissions()
    {
        return $this->belongsToMany(AdminPermission::class, 'admin_role_permissions', 'role_id', 'permission_id');
    }

    /**
     * A role belongs to many users.
     *
     * @return BelongsToMany
     */
    public function administrators() : BelongsToMany
    {
        $pivotTable = config('admin.database.role_users_table');

        $relatedModel = config('admin.database.users_model');

        return $this->belongsToMany($relatedModel, $pivotTable, 'role_id', 'user_id');
    }

    /**
     * Detach models from the relationship.
     *
     * @return void
     */
    protected static function boot()
    {
        parent::boot();

        static::deleting(function ($model) {
            $model->administrators()->detach();
            $model->permissions()->detach();
        });
    }

    public static function roleArr()
    {
        return self::when(get_subsite_id() > 0, function ($query) {
            $query->whereIn('subsite_id', [-1,get_subsite_id()]);
        })->pluck('name', 'id');
    }

}