Domain Driven Design

CustomerRegister.php

<?php

class Register {
  
  /**
  * @param $repository CustomerRepositoryInterface 
  *  @param $history CustomerHistoryInterface 
  **/
  public function __constructor(
     CustomerRepositoryInterface $repository,
     CustomerHistoryInterface $history
  ) {
     $this->repository = $repository;
     $this->history = $history;
  }
  
  /**
  * @param $customerDTO CustomerDTO
  *
  * @return Customer
  **/
  public function handle(CustomerDTO $customerDTO): Customer
  {
    $customer = $this->repository->create($customerDTO);
    $this->history->registered($customer);
    
    return $customer; 
  }
  
}