/**
* @return array
*/
public function serialize()
{
if ($this->user->getPhone() == null) {
throw new NotEnoughDataException('User phone is null');
}
return ['phone' => $this->user->getPhone()->getValue(), 'user_promotions' => array_map(function (UserPromotion $userPromotion) {
return $userPromotion->serializeForImport();
}, $this->userPromotions)];
}
