feat:컨버터 분리 / techStackName 이넘 사이즈 수정 및 TechStack테이블 제약조건 추가

Author: kjhh2605

src/main/java/com/devpath/domain/user/converter/UserConverter.java

@@ -2,6 +2,8 @@
 
 import com.devpath.domain.user.dto.CardPrevRes;
 import com.devpath.domain.user.dto.MyCardRes;
+import com.devpath.domain.user.dto.UserProfileRequest;
+import com.devpath.domain.user.entity.TechStack;
 import com.devpath.domain.user.entity.User;
 
 public class UserConverter {
@@ -19,4 +21,23 @@ public static CardPrevRes toCardPrevRes(User user) {
                 .jobGroup(user.getJobGroup().toString())
                 .build();
     }
+
+    public static User toUser(UserProfileRequest request) {
+        User user =  User.builder()
+                .name(request.getName())
+                .nickname(request.getNickname())
+                .email(request.getEmail())
+                .phone(request.getPhone())
+                .link(request.getLink())
+                .jobGroup(request.getJobGroup())
+                .level(request.getLevel())
+                .build();
+
+        // techStackName 리스트를 TechStack으로 변환
+        request.getTechStackNames().stream()
+                .map(techStackName -> TechStack.create(user, techStackName))
+                .forEach(user::addTechStack);
+
+        return user;
+    }
 }

src/main/java/com/devpath/domain/user/entity/TechStack.java

@@ -5,7 +5,12 @@
 import lombok.*;
 
 @Entity
-@Table(name = "tech_stacks")
+@Table(name = "tech_stacks", uniqueConstraints = {
+        @UniqueConstraint(
+                name = "tech_stack_user_unique",
+                columnNames = {"user_id", "tech_stack_name"}
+        )
+})
 @Getter
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 @AllArgsConstructor
@@ -18,7 +23,7 @@ public class TechStack {
     private Long techStackId;
 
     @Enumerated(EnumType.STRING)
-    @Column(name = "tech_stack_name", nullable = false)
+    @Column(name = "tech_stack_name", nullable = false, length = 30)
     private TechStackName techStackName;
 
     @ManyToOne(fetch = FetchType.LAZY)
@@ -28,4 +33,11 @@ public class TechStack {
     public void setUser(User user) {
         this.user = user;
     }
+
+    public static TechStack create(User user, TechStackName stackName) {
+        return TechStack.builder()
+                .user(user)
+                .techStackName(stackName)
+                .build();
+    }
 }

src/main/java/com/devpath/domain/user/service/UserServiceImpl.java

@@ -1,13 +1,15 @@
 package com.devpath.domain.user.service;
 
 import com.devpath.domain.user.dto.UserProfileRequest;
-import com.devpath.domain.user.entity.TechStack;
+
 import com.devpath.domain.user.converter.UserConverter;
 import com.devpath.domain.user.dto.CardPrevRes;
 import com.devpath.domain.user.dto.MyCardRes;
 import com.devpath.domain.user.entity.Follow;
+import com.devpath.domain.user.entity.TechStack;
 import com.devpath.domain.user.entity.User;
 import com.devpath.domain.user.enums.JobGroup;
+import com.devpath.domain.user.enums.TechStackName;
 import com.devpath.domain.user.repository.FollowRepository;
 import com.devpath.domain.user.repository.UserRepository;
 import com.devpath.global.apiPayload.code.status.GeneralErrorCode;
@@ -21,6 +23,7 @@
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.util.List;
 
 @Service
 @RequiredArgsConstructor
@@ -39,26 +42,8 @@ public User createProfile(UserProfileRequest request) {
         }
 
         // User 엔티티 생성
-        User user = User.builder()
-                .name(request.getName())
-                .nickname(request.getNickname())
-                .email(request.getEmail())
-                .phone(request.getPhone())
-                .link(request.getLink())
-                .jobGroup(request.getJobGroup())
-                .level(request.getLevel())
-                .build();
-
-        // TechStack 엔티티들 생성 및 연결
-        request.getTechStackNames().forEach(techStackName -> {
-            TechStack techStack = TechStack.builder()
-                    .user(user)
-                    .techStackName(techStackName)
-                    .build();
-            user.addTechStack(techStack);
-        });
-
-        // User 저장 (TechStack은 cascade로 함께 저장됨)
+        User user = UserConverter.toUser(request);
+
         return userRepository.save(user);
     }
 
@@ -71,7 +56,8 @@ public MyCardRes getMyCardRes(String userId) {
 
     @Override
     @Transactional(readOnly = true)
-    public CursorResponseDto<CardPrevRes> getCardPrevRes(String userId, String cursor, Integer size, JobGroup jobGroup) {
+    public CursorResponseDto<CardPrevRes> getCardPrevRes(String userId, String cursor, Integer size,
+            JobGroup jobGroup) {
 
         Long uid = Long.valueOf(userId);
         Long cursorId = cursor != null ? Long.valueOf(cursor) : null;
@@ -97,7 +83,7 @@ public void exchangeCard(String userId, String cardCode) {
         User user = checkUser(uid);
         User friend = checkUser(fid);
 
-        if(followRepository.existsByUser_IdAndFollower_Id(uid, fid)){
+        if (followRepository.existsByUser_IdAndFollower_Id(uid, fid)) {
             throw new GlobalHandler(GeneralErrorCode.FOLLOW_ALREADY_EXISTED);
         }