refactor:dto에 id추가, userId 타입 Long으로변경 (#13)

* refactor:dto에 id추가, userId 타입 Long으로변경

* refactor: cursorId도 Long으로 변경

Author: kjhh2605

src/main/java/com/devpath/domain/user/contorller/UserController.java

@@ -31,7 +31,7 @@ public class UserController implements UserControllerDocs {
      * @return ApiResponse<MyCardRes>
      */
     @GetMapping("/{user-Id}")
-    public ApiResponse<MyCardRes> getCard(@PathVariable("user-Id") String userId) {
+    public ApiResponse<MyCardRes> getCard(@PathVariable("user-Id") Long userId) {
         return ApiResponse.onSuccess(GeneralSuccessCode._OK, userService.getMyCardRes(userId));
     }
 
@@ -46,8 +46,8 @@ public ApiResponse<MyCardRes> getCard(@PathVariable("user-Id") String userId) {
      */
     @Override
     @GetMapping("/cards")
-    public ApiResponse<CursorResponseDto<CardPrevRes>> getCards(@RequestHeader String userId,
-            @RequestParam(required = false) String cursor,
+    public ApiResponse<CursorResponseDto<CardPrevRes>> getCards(@RequestHeader Long userId,
+            @RequestParam(required = false) Long cursor,
             @RequestParam(required = false, defaultValue = "10") Integer size,
             @RequestParam(required = false) JobGroup jobGroup) {
         return ApiResponse.onSuccess(GeneralSuccessCode._OK,
@@ -63,7 +63,7 @@ public ApiResponse<CursorResponseDto<CardPrevRes>> getCards(@RequestHeader Strin
      */
     @PostMapping("/exchange-card")
     @Override
-    public ResponseEntity<ApiResponse<Void>> exchangeCard(@RequestHeader String userId, @RequestParam String cardCode) {
+    public ResponseEntity<ApiResponse<Void>> exchangeCard(@RequestHeader Long userId, @RequestParam Long cardCode) {
         userService.exchangeCard(userId, cardCode);
 
         return ResponseEntity.status(HttpStatus.CREATED)

src/main/java/com/devpath/domain/user/contorller/UserControllerDocs.java

@@ -23,14 +23,14 @@ public interface UserControllerDocs {
                         @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "200", description = "명함 조회 성공"),
                         @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "404", description = "COMMON_404: 검색 결과가 없습니다.")
         })
-        ApiResponse<MyCardRes> getCard(String userId);
+        ApiResponse<MyCardRes> getCard(Long userId);
 
         @Operation(summary = "명함 목록 조회", description = "최신순으로 교환한 명함 목록을 조회합니다. (직군을 선택하여 필터링 가능)")
         @ApiResponses({
                         @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "200", description = "명함 목록 조회 성공"),
                         @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "404", description = "COMMON_404: 검색 결과가 없습니다.")
         })
-        ApiResponse<CursorResponseDto<CardPrevRes>> getCards(String userId, String cursor, Integer size,
+        ApiResponse<CursorResponseDto<CardPrevRes>> getCards(Long userId, Long cursor, Integer size,
                         JobGroup jobGroup);
 
         @Operation(summary = "명함 교환", description = "명함 코드를 입력하면 명함이 교환됩니다.")
@@ -39,7 +39,7 @@ ApiResponse<CursorResponseDto<CardPrevRes>> getCards(String userId, String curso
                         @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "400", description = "FOLLOW_400: 이미 추가한 명함입니다"),
                         @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "404", description = "COMMON_404: 검색 결과가 없습니다.")
         })
-        ResponseEntity<ApiResponse<Void>> exchangeCard(String userId, String cardCode);
+        ResponseEntity<ApiResponse<Void>> exchangeCard(Long userId, Long cardCode);
 
         @Operation(summary = "프로필 작성", description = "사용자의 프로필 정보를 작성합니다. 모든 필드는 필수이며, 기술 스택은 최소 1개 이상 선택해야 합니다.")
         @ApiResponses({

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

@@ -17,6 +17,7 @@ public static MyCardRes toMyCardRes(User user) {
 
     public static CardPrevRes toCardPrevRes(User user) {
         return CardPrevRes.builder()
+                .userId(user.getId())
                 .profileImg(user.getProfileImageUrl())
                 .jobGroup(user.getJobGroup().toString())
                 .build();

src/main/java/com/devpath/domain/user/dto/CardPrevRes.java

@@ -6,6 +6,7 @@
 @Builder
 @Getter
 public class CardPrevRes {
+    private Long userId;
     private String profileImg;
     private String nickName;
     private String jobGroup;

src/main/java/com/devpath/domain/user/repository/FollowRepository.java

@@ -1,6 +1,7 @@
 package com.devpath.domain.user.repository;
 
 import com.devpath.domain.user.entity.Follow;
+import com.devpath.domain.user.entity.User;
 import com.devpath.domain.user.enums.JobGroup;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.domain.Slice;
@@ -20,4 +21,5 @@ public interface FollowRepository extends JpaRepository<Follow, Long> {
 
     boolean existsByUser_IdAndFollower_Id(Long userId, Long followerId);
 
+    Long user(User user);
 }

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

@@ -15,7 +15,7 @@ public interface UserService {
      * @param userId 조회할 사용자의 ID (PK)
      * @return 본인 명함 정보가 담긴 DTO (MyCardRes)
      */
-    MyCardRes getMyCardRes(String userId);
+    MyCardRes getMyCardRes(Long userId);
 
     /**
      * 사용자가 보유한 명함(팔로우) 목록을 커서 기반 페이징으로 조회합니다.
@@ -27,7 +27,7 @@ public interface UserService {
      * @param jobGroup 필터링할 직군 (전체 조회 시 null)
      * @return 다음 커서 정보와 명함 목록이 담긴 DTO
      */
-    CursorResponseDto<CardPrevRes> getCardPrevRes(String userId, String cursor, Integer size, JobGroup jobGroup);
+    CursorResponseDto<CardPrevRes> getCardPrevRes(Long userId, Long cursor, Integer size, JobGroup jobGroup);
 
     /**
      * 다른 사용자와 명함을 교환합니다.
@@ -36,7 +36,7 @@ public interface UserService {
      * @param userId   요청하는 사용자 ID
      * @param cardCode 교환할 상대방의 명함 코드 (User ID)
      */
-    void exchangeCard(String userId, String cardCode);
+    void exchangeCard(Long userId, Long cardCode);
 
     /**
      * 새로운 사용자 프로필을 생성합니다.

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

@@ -46,22 +46,18 @@ public User createProfile(UserProfileRequest request) {
 
     @Override
     @Transactional(readOnly = true)
-    public MyCardRes getMyCardRes(String userId) {
-        Long uid = Long.valueOf(userId);
-        return UserConverter.toMyCardRes(checkUser(uid));
+    public MyCardRes getMyCardRes(Long userId) {
+        return UserConverter.toMyCardRes(checkUser(userId));
     }
 
     @Override
     @Transactional(readOnly = true)
-    public CursorResponseDto<CardPrevRes> getCardPrevRes(String userId, String cursor, Integer size,
+    public CursorResponseDto<CardPrevRes> getCardPrevRes(Long userId, Long cursor, Integer size,
             JobGroup jobGroup) {
 
-        Long uid = Long.valueOf(userId);
-        Long cursorId = cursor != null ? Long.valueOf(cursor) : null;
-
         Pageable pageable = PageRequest.of(0, size, Sort.by(Sort.Direction.DESC, "id"));
 
-        Slice<Follow> followSlice = followRepository.findNextByCursor(uid, cursorId, jobGroup, pageable);
+        Slice<Follow> followSlice = followRepository.findNextByCursor(userId, cursor, jobGroup, pageable);
 
         Slice<CardPrevRes> result = followSlice.map(f -> UserConverter.toCardPrevRes(f.getFollower()));
 
@@ -73,14 +69,12 @@ public CursorResponseDto<CardPrevRes> getCardPrevRes(String userId, String curso
     }
 
     @Transactional
-    public void exchangeCard(String userId, String cardCode) {
-        Long uid = Long.valueOf(userId);
-        Long fid = Long.valueOf(cardCode);
+    public void exchangeCard(Long userId, Long cardCode) {
 
-        User user = checkUser(uid);
-        User friend = checkUser(fid);
+        User user = checkUser(userId);
+        User friend = checkUser(cardCode);
 
-        if (followRepository.existsByUser_IdAndFollower_Id(uid, fid)) {
+        if (followRepository.existsByUser_IdAndFollower_Id(userId, cardCode)) {
             throw new GlobalHandler(GeneralErrorCode.FOLLOW_ALREADY_EXISTED);
         }