pai-sklep/app/Models/HasUUID.php

<?php

namespace App\Models;

use Illuminate\Support\Str;

/* 
 * A trait for all models that use a UUID as a primary key
 * 
 * This helps us avoid enumeration attacks
 * 
 */
  trait HasUUID
{

    protected static function getPrimaryKey()
    {
      return self::uuidField();
    }

    /**
     * Defines the UUID field for the model.
     * @return string
     */
    protected static function uuidField()
    {
        return 'uuid';
    }

    public function getIncrementing()
    {
        return false;
    }

    /**
     * Generate UUID v4 when creating model.
     */
    protected static function boot()
    {
        parent::boot();

        static::creating(function ($model) {
            $model->{self::uuidField()} = (string) Str::uuid();
        });
    }
}