/**
  *
  * Handle the command
  *
  * @param RegisterEmployeeCommand $command
  * @return mixed
  */
 public function handle($command)
 {
     $account = Account::addAccount($command->username, $command->password);
     $employee = Employee::register($command->username, $command->first_name, $command->middle_name, $command->last_name, $command->birthdate, $command->address, $command->email, $command->mobile, $command->department_id);
     $this->accountRepository->save($account);
     $this->employeeRepository->save($employee);
     return $employee;
 }
 /**
  * Command handler
  *
  * @param RemoveEmployeeCommand
  * @return Employee
  */
 public function handle($command)
 {
     $accountDelete = $this->accountRepository->remove($command->username);
     $employeeDelete = $this->employeeRepository->remove($command->username);
     return $employeeDelete;
 }