exchange-2.0/database/seeds/CountriesTableSeeder.php

<?php

use App\Classes\Modules\Countries\DataTransferObjects\CountryObject;
use App\Classes\Modules\Countries\Services\CreatesCountry;
use Illuminate\Database\Seeder;

class CountriesTableSeeder extends Seeder
{

    /** @var CreatesCountry */
    private $createsCountry;

    /**
     * CountriesTableSeeder constructor.
     * @param CreatesCountry $createsCountry
     */
    public function __construct(CreatesCountry $createsCountry)
    {
        $this->createsCountry = $createsCountry;
    }


    /**
     * Run the database seeds.
     *
     * @return void
     * @throws \App\Classes\Exceptions\MalformedRequestException
     */
    public function run()
    {

        foreach (['my', 'cn'] as $code) {
            $object = new CountryObject(country($code));
            $this->createsCountry->execute($object);
        }

    }
}