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Demo 테스트
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‎apps/commerce-api/src/main/java/com/loopers/application/user/UserFacade.java‎

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package com.loopers.application.user;
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import com.loopers.domain.user.UserModel;
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import com.loopers.domain.user.UserService;
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import lombok.RequiredArgsConstructor;
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import org.springframework.stereotype.Component;
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@RequiredArgsConstructor
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@Component
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public class UserFacade {
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private final UserService userService;
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public UserInfo createUser(String id, String email, String birthDate, String gender) {
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UserModel user = userService.createUser(id, email, birthDate, gender);
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return UserInfo.from(user);
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}
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public UserInfo getUserById(String id) {
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UserModel user = userService.getUserById(id);
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return user != null ? UserInfo.from(user) : null;
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}
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public Integer getUserPoint(String id) {
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return userService.getUserPoint(id);
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}
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public UserInfo chargePoint(String id, Integer amount) {
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UserModel user = userService.chargePoint(id, amount);
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return UserInfo.from(user);
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}
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}

‎apps/commerce-api/src/main/java/com/loopers/application/user/UserInfo.java‎

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package com.loopers.application.user;
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import com.loopers.domain.user.UserModel;
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import java.time.LocalDate;
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public record UserInfo(String id, String email, LocalDate birthDate, String gender, Integer point) {
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public static UserInfo from(UserModel model) {
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return new UserInfo(
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model.getUserId(),
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model.getEmail(),
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model.getBirthDate(),
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model.getGender(),
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model.getPoint()
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);
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}
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}

‎apps/commerce-api/src/main/java/com/loopers/domain/user/UserModel.java‎

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package com.loopers.domain.user;
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import com.loopers.domain.BaseEntity;
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import com.loopers.support.error.CoreException;
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import com.loopers.support.error.ErrorType;
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import jakarta.persistence.Column;
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import jakarta.persistence.Entity;
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import jakarta.persistence.Table;
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import java.time.LocalDate;
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import java.time.format.DateTimeFormatter;
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import java.time.format.DateTimeParseException;
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import java.util.regex.Pattern;
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@Entity
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@Table(name = "users")
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public class UserModel extends BaseEntity {
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@Column(name = "user_id", unique = true, nullable = false)
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private String userId;
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private String email;
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private LocalDate birthDate;
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private String gender;
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private Integer point;
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protected UserModel() {}
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public UserModel(String id, String email, String birthDate, String gender) {
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validateId(id);
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validateEmail(email);
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validateBirthDate(birthDate);
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this.userId = id;
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this.email = email;
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this.birthDate = LocalDate.parse(birthDate, DateTimeFormatter.ofPattern("yyyy-MM-dd"));
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this.gender = gender;
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this.point = 0;
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}
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private void validateId(String id) {
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if (id == null || id.isBlank()) {
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throw new CoreException(ErrorType.BAD_REQUEST, "ID는 비어있을 수 없습니다.");
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}
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if (id.length() > 10) {
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throw new CoreException(ErrorType.BAD_REQUEST, "ID는 10자 이내여야 합니다.");
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}
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if (!Pattern.matches("^[a-zA-Z0-9]+$", id)) {
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throw new CoreException(ErrorType.BAD_REQUEST, "ID는 영문 및 숫자만 사용할 수 있습니다.");
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}
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}
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private void validateEmail(String email) {
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if (email == null || email.isBlank()) {
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throw new CoreException(ErrorType.BAD_REQUEST, "이메일은 비어있을 수 없습니다.");
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}
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if (!Pattern.matches("^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,}$", email)) {
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throw new CoreException(ErrorType.BAD_REQUEST, "이메일 형식이 올바르지 않습니다.");
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}
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}
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private void validateBirthDate(String birthDate) {
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if (birthDate == null || birthDate.isBlank()) {
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throw new CoreException(ErrorType.BAD_REQUEST, "생년월일은 비어있을 수 없습니다.");
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}
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try {
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LocalDate.parse(birthDate, DateTimeFormatter.ofPattern("yyyy-MM-dd"));
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} catch (DateTimeParseException e) {
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throw new CoreException(ErrorType.BAD_REQUEST, "생년월일은 yyyy-MM-dd 형식이어야 합니다.");
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}
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}
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public void chargePoint(Integer amount) {
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if (amount == null || amount <= 0) {
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throw new CoreException(ErrorType.BAD_REQUEST, "충전할 포인트는 0보다 큰 정수여야 합니다.");
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}
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this.point += amount;
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}
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public String getUserId() {
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return userId;
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}
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public String getEmail() {
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return email;
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}
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public LocalDate getBirthDate() {
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return birthDate;
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}
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public String getGender() {
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return gender;
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}
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public Integer getPoint() {
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return point;
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}
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}

‎apps/commerce-api/src/main/java/com/loopers/domain/user/UserRepository.java‎

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package com.loopers.domain.user;
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import java.util.Optional;
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public interface UserRepository {
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Optional<UserModel> findById(String id);
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UserModel save(UserModel user);
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boolean existsById(String id);
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}

‎apps/commerce-api/src/main/java/com/loopers/domain/user/UserService.java‎

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package com.loopers.domain.user;
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import com.loopers.support.error.CoreException;
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import com.loopers.support.error.ErrorType;
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import lombok.RequiredArgsConstructor;
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import org.springframework.stereotype.Component;
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import org.springframework.transaction.annotation.Transactional;
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@RequiredArgsConstructor
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@Component
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public class UserService {
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private final UserRepository userRepository;
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@Transactional
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public UserModel createUser(String id, String email, String birthDate, String gender) {
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if (userRepository.existsById(id)) {
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throw new CoreException(ErrorType.BAD_REQUEST, "이미 가입된 ID입니다.");
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}
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UserModel user = new UserModel(id, email, birthDate, gender);
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return userRepository.save(user);
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}
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@Transactional(readOnly = true)
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public UserModel getUserById(String id) {
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return userRepository.findById(id)
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.orElse(null);
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}
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@Transactional(readOnly = true)
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public Integer getUserPoint(String id) {
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UserModel user = userRepository.findById(id)
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.orElse(null);
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return user != null ? user.getPoint() : null;
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}
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@Transactional
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public UserModel chargePoint(String id, Integer amount) {
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UserModel user = userRepository.findById(id)
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.orElseThrow(() -> new CoreException(ErrorType.NOT_FOUND, "사용자를 찾을 수 없습니다."));
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user.chargePoint(amount);
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return userRepository.save(user);
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}
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}

‎apps/commerce-api/src/main/java/com/loopers/infrastructure/user/UserJpaRepository.java‎

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package com.loopers.infrastructure.user;
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import com.loopers.domain.user.UserModel;
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import org.springframework.data.jpa.repository.JpaRepository;
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public interface UserJpaRepository extends JpaRepository<UserModel, Long> {
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UserModel findByUserId(String userId);
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boolean existsByUserId(String userId);
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}

‎apps/commerce-api/src/main/java/com/loopers/infrastructure/user/UserRepositoryImpl.java‎

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package com.loopers.infrastructure.user;
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import com.loopers.domain.user.UserModel;
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import com.loopers.domain.user.UserRepository;
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import lombok.RequiredArgsConstructor;
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import org.springframework.stereotype.Component;
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import java.util.Optional;
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@RequiredArgsConstructor
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@Component
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public class UserRepositoryImpl implements UserRepository {
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private final UserJpaRepository userJpaRepository;
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@Override
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public Optional<UserModel> findById(String id) {
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UserModel user = userJpaRepository.findByUserId(id);
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return Optional.ofNullable(user);
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}
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@Override
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public UserModel save(UserModel user) {
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return userJpaRepository.save(user);
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}
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@Override
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public boolean existsById(String id) {
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return userJpaRepository.existsByUserId(id);
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}
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}

‎apps/commerce-api/src/main/java/com/loopers/interfaces/api/user/UserV1ApiSpec.java‎

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package com.loopers.interfaces.api.user;
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import com.loopers.interfaces.api.ApiResponse;
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import io.swagger.v3.oas.annotations.Operation;
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import io.swagger.v3.oas.annotations.media.Schema;
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import io.swagger.v3.oas.annotations.tags.Tag;
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@Tag(name = "User V1 API", description = "사용자 관리 API 입니다.")
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public interface UserV1ApiSpec {
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@Operation(
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summary = "회원 가입",
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description = "새로운 사용자를 등록합니다."
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)
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ApiResponse<UserV1Dto.UserResponse> createUser(
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@Schema(name = "회원 가입 요청", description = "회원 가입에 필요한 정보")
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UserV1Dto.UserCreateRequest request
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);
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@Operation(
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summary = "내 정보 조회",
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description = "사용자 ID로 회원 정보를 조회합니다."
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)
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ApiResponse<UserV1Dto.UserResponse> getUser(
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@Schema(name = "사용자 ID", description = "조회할 사용자의 ID")
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String userId
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);
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@Operation(
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summary = "포인트 조회",
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description = "사용자의 보유 포인트를 조회합니다."
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)
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ApiResponse<UserV1Dto.PointResponse> getUserPoint(
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@Schema(name = "사용자 ID", description = "포인트를 조회할 사용자의 ID")
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String userId,
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@Schema(name = "X-USER-ID", description = "사용자 인증을 위한 헤더")
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String headerUserId
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);
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@Operation(
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summary = "포인트 충전",
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description = "사용자의 포인트를 충전합니다."
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)
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ApiResponse<UserV1Dto.PointResponse> chargePoint(
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@Schema(name = "사용자 ID", description = "포인트를 충전할 사용자의 ID")
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String userId,
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@Schema(name = "포인트 충전 요청", description = "충전할 포인트 금액")
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UserV1Dto.PointChargeRequest request
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);
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}

‎apps/commerce-api/src/main/java/com/loopers/interfaces/api/user/UserV1Controller.java‎

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package com.loopers.interfaces.api.user;
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import com.loopers.application.user.UserFacade;
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import com.loopers.application.user.UserInfo;
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import com.loopers.interfaces.api.ApiResponse;
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import com.loopers.support.error.CoreException;
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import com.loopers.support.error.ErrorType;
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import lombok.RequiredArgsConstructor;
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import org.springframework.http.HttpStatus;
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import org.springframework.web.bind.annotation.*;
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@RequiredArgsConstructor
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@RestController
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@RequestMapping("/api/v1/users")
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public class UserV1Controller implements UserV1ApiSpec {
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private final UserFacade userFacade;
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@PostMapping
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@Override
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public ApiResponse<UserV1Dto.UserResponse> createUser(
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@RequestBody UserV1Dto.UserCreateRequest request
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) {
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if (request.gender() == null || request.gender().isBlank()) {
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throw new CoreException(ErrorType.BAD_REQUEST, "성별은 필수입니다.");
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}
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UserInfo info = userFacade.createUser(request.id(), request.email(), request.birthDate(), request.gender());
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UserV1Dto.UserResponse response = UserV1Dto.UserResponse.from(info);
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return ApiResponse.success(response);
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}
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@GetMapping("/{userId}")
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@Override
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public ApiResponse<UserV1Dto.UserResponse> getUser(
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@PathVariable String userId
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) {
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UserInfo info = userFacade.getUserById(userId);
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if (info == null) {
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throw new CoreException(ErrorType.NOT_FOUND, "사용자를 찾을 수 없습니다.");
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}
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UserV1Dto.UserResponse response = UserV1Dto.UserResponse.from(info);
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return ApiResponse.success(response);
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}
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@GetMapping("/{userId}/points")
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@Override
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public ApiResponse<UserV1Dto.PointResponse> getUserPoint(
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@PathVariable String userId,
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@RequestHeader(value = "X-USER-ID", required = false) String headerUserId
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) {
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if (headerUserId == null || headerUserId.isBlank()) {
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throw new CoreException(ErrorType.BAD_REQUEST, "X-USER-ID 헤더가 필요합니다.");
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}
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Integer point = userFacade.getUserPoint(userId);
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if (point == null) {
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throw new CoreException(ErrorType.NOT_FOUND, "사용자를 찾을 수 없습니다.");
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}
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UserV1Dto.PointResponse response = UserV1Dto.PointResponse.from(point);
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return ApiResponse.success(response);
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}
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@PostMapping("/{userId}/points/charge")
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@Override
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public ApiResponse<UserV1Dto.PointResponse> chargePoint(
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@PathVariable String userId,
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@RequestBody UserV1Dto.PointChargeRequest request
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) {
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UserInfo info = userFacade.chargePoint(userId, request.amount());
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UserV1Dto.PointResponse response = UserV1Dto.PointResponse.from(info.point());
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return ApiResponse.success(response);
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}
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}

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