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();
          });
      }
  }