Souke/common/logic/User/UserUtils.php

<?php

namespace common\services\User;

use common\logic\BaseService;
use common\logic\Producer\ProducerModel;
use common\logic\UtilsInterface;
use common\models\UserModel;

class UserUtils extends BaseService implements UtilsInterface
{
    public function sendEmailSignup(UserModel $user, ProducerModel $producer)
    {
        \Yii::$app->mailer->compose(
            [
                'html' => 'signup-html',
                'text' => 'signup-text'
            ],
            [
                'user' => $user,
                'producer' => $producer
            ])
            ->setTo($user->email)
            ->setFrom([\Yii::$app->params['adminEmail'] => 'distrib'])
            ->setSubject('[Opendistrib] Inscription')
            ->send();
    }
}