회원 가입 기능 구조 개발 > 스프링 부트

kr/hull/shop/constant/Role.java

public enum Role {
    USER, ADMIN
}

kr/hull/shop/dto/MemberFormDto.java

@Getter
@Setter
public class MemberFormDto {
    private String name;
    private String email;
    private String password;
    private String address;
}

kr/hull/shop/entity/Member.java

@Entity
@Table(name="member")
@Getter
@Setter
@ToString
public class Member extends BaseEntity {

    @Id
    @Column(name="member_id")
    @GeneratedValue(strategy = GenerationType.AUTO)
    private Long id;

    private String name;

    @Column(unique = true)
    private String email;

    private String password;

    private String address;

    @Enumerated(EnumType.STRING)
    private Role role;

    public static Member createMember(MemberFormDto memberFormDto, PasswordEncoder passwordEncoder){
        Member member = new Member();
        member.setName(memberFormDto.getName());
        member.setEmail(memberFormDto.getEmail());
        member.setAddress(memberFormDto.getAddress());
        String password = passwordEncoder.encode(memberFormDto.getPassword());
        member.setPassword(password);
        member.setRole(Role.ADMIN);
        return member;
    }
}

kr/hull/shop/repository/MemberRepository.java

public interface MemberRepository extends JpaRepository<Member, Long> {
    Member findByEmail(String email);
}

kr/hull/shop/service/MemberService.java

@Service
@Transactional
@RequiredArgsConstructor //bean 주입방법 생성자 final member, @NonNull member 생성자 생성함
public class MemberService{

    private final MemberRepository memberRepository;

    public Member saveMember(Member member){
        validateDuplicateMember(member);
        return memberRepository.save(member);
    }

    private void validateDuplicateMember(Member member){
        Member findMember = memberRepository.findByEmail(member.getEmail());
        if(findMember != null){
            throw new IllegalStateException("이미 가입된 회원입니다."); // 예외 처리
        }
    }
}