type Operation struct {
	timeValue       time.Time
	s2IDLevel       int64
	s2ID            int64
//  ...
//  ...
}

func (op operation) Perform(surgeRepository repository.SurgeRepository) error {
//  ...
//  ...(do some calculation)
//  ...
    err = surgeRepository.Insert(surge)
//  ...
    return err
}