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package kr.itn.itnhub.contact;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.List;
import java.util.Set;
@Service
public class ContactService {
private static final Set<String> CATEGORIES = Set.of("APPLICANT", "MJ", "LAWYER", "OPERATOR", "ITN");
private final ContactMapper mapper;
public ContactService(ContactMapper mapper) {
this.mapper = mapper;
}
public List<Contact> findAll(String category) {
if (category != null && !CATEGORIES.contains(category)) {
throw new InvalidContactException("구분 값이 올바르지 않습니다: " + category);
}
return mapper.findAll(category);
}
@Transactional
public Contact create(ContactRequest request) {
validateCategory(request.category());
Contact contact = new Contact();
applyRequest(contact, request);
mapper.insert(contact);
return mapper.findById(contact.getId());
}
@Transactional
public Contact update(Long id, ContactRequest request) {
validateCategory(request.category());
Contact existing = mapper.findById(id);
if (existing == null) {
throw new ContactNotFoundException("담당자를 찾을 수 없습니다: " + id);
}
applyRequest(existing, request);
mapper.update(existing);
return mapper.findById(id);
}
/** FK는 on delete set null이므로, 이 담당자를 배정으로 쓰던 기관들은 자동으로 미지정이 된다. */
@Transactional
public void delete(Long id) {
Contact existing = mapper.findById(id);
if (existing == null) {
throw new ContactNotFoundException("담당자를 찾을 수 없습니다: " + id);
}
mapper.delete(id);
}
private void applyRequest(Contact contact, ContactRequest request) {
contact.setCategory(request.category());
contact.setName(request.name());
contact.setAffiliation(request.affiliation());
contact.setDeptName(request.deptName());
contact.setTitle(request.title());
contact.setPhone(request.phone());
contact.setEmail(request.email());
}
private void validateCategory(String category) {
if (!CATEGORIES.contains(category)) {
throw new InvalidContactException("구분 값이 올바르지 않습니다: " + category);
}
}
}