feat : 프로필 사진 설정 및 받아오기 기능 추가 및 작동 확인

src/main/java/club/inq/team1/controller/UserController.java

@@ -115,7 +115,7 @@ public ResponseEntity<User> updateCurrentUserPassword(@RequestBody @Valid Update
     public ResponseEntity<PublicUserProfileDTO> getUserProfile(@PathVariable("id") Long id){
         User user = userService.getUserProfile(id);
         UserInfo userInfo = user.getUserInfo();
-
+        // todo 수정 필요
         PublicUserProfileDTO publicUserProfileDTO = new PublicUserProfileDTO();
         publicUserProfileDTO.setUserId(user.getUserId());
         publicUserProfileDTO.setNickname(userInfo.getNickname());
@@ -125,10 +125,14 @@ public ResponseEntity<PublicUserProfileDTO> getUserProfile(@PathVariable("id") L
         return ResponseEntity.status(200).body(publicUserProfileDTO);
     }
 
-    @PostMapping(value = "/my/image", consumes = {MediaType.MULTIPART_FORM_DATA_VALUE}, produces = {MediaType.IMAGE_JPEG_VALUE, MediaType.IMAGE_PNG_VALUE})
-    public ResponseEntity<Boolean> setProfileImage(@RequestPart("image")MultipartFile image) {
+    @PostMapping(value = "/my/image", consumes = {MediaType.MULTIPART_FORM_DATA_VALUE}, produces = {MediaType.APPLICATION_JSON_VALUE})
+    public ResponseEntity<String> setProfileImage(@RequestPart("image")MultipartFile image) {
         boolean b = userService.setUserProfileImage(image);
-        return ResponseEntity.status(200).body(b);
+        return ResponseEntity.status(200).body(Boolean.toString(b));
     }
 
+    @GetMapping(value = "/{userId}/image", produces = {MediaType.IMAGE_JPEG_VALUE, MediaType.IMAGE_PNG_VALUE})
+    public ResponseEntity<byte[]> getProfileImage(@PathVariable("userId") Long userId){
+        return ResponseEntity.ok(userService.getUserProfileImage(userId));
+    }
 }

src/main/java/club/inq/team1/repository/UserInfoRepository.java

@@ -1,8 +1,12 @@
 package club.inq.team1.repository;
 
+import club.inq.team1.dto.projection.ProfileImageProjectionDTO;
+import club.inq.team1.entity.User;
 import club.inq.team1.entity.UserInfo;
+import java.util.Optional;
 import org.springframework.data.jpa.repository.JpaRepository;
 
 public interface UserInfoRepository extends JpaRepository<UserInfo,Long> {
     boolean existsByNickname(String nickname);
+    Optional<ProfileImageProjectionDTO> findProfileImagePathByUser(User user);
 }

src/main/java/club/inq/team1/service/UserService.java

@@ -16,4 +16,5 @@ public interface UserService {
     User updatePassword(UpdateUserPasswordDTO updateUserPasswordDTO);
     User getUserProfile(Long id);
     boolean setUserProfileImage(MultipartFile multipartFile);
+    byte[] getUserProfileImage(Long userId);
 }

src/main/java/club/inq/team1/service/impl/UserServiceImpl.java

@@ -1,5 +1,6 @@
 package club.inq.team1.service.impl;
 
+import club.inq.team1.dto.projection.ProfileImageProjectionDTO;
 import club.inq.team1.dto.request.PutUserPrivateInfoDTO;
 import club.inq.team1.dto.request.UpdateUserPasswordDTO;
 import club.inq.team1.dto.request.UserJoinDTO;
@@ -11,6 +12,7 @@
 import jakarta.transaction.Transactional;
 import java.io.File;
 import java.io.IOException;
+import java.nio.file.Files;
 import java.nio.file.Path;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
@@ -112,23 +114,39 @@ public User getUserProfile(Long id) {
     @Override
     @Transactional
     public boolean setUserProfileImage(MultipartFile multipartFile) {
-        String path = "file:///C:/images/";
-        String uploadPath = path + "profile/" + LocalDateTime.now().format(DateTimeFormatter.BASIC_ISO_DATE);
+        UserInfo userInfo = getCurrentLoginUser().orElseThrow().getUserInfo();
 
-        UserInfo userInfoId = getCurrentLoginUser().orElseThrow().getUserInfoId();
+        // 프로필 이미지 저장 경로 C:/images/profile/yyyyMMdd/randomUUID+originalName.format
+        String startPath = "C:/images/";
+        String profilePath = startPath + "profile/" + LocalDateTime.now().format(DateTimeFormatter.BASIC_ISO_DATE) + "/";
 
-        String fileName = UUID.randomUUID() + multipartFile.getOriginalFilename();
-        String filePath = uploadPath + fileName;
+        String imageFileStoredName = UUID.randomUUID() + multipartFile.getOriginalFilename();
+        String filePath = profilePath + imageFileStoredName;
         try {
             File f = new File(filePath);
             f.mkdirs();
             multipartFile.transferTo(f);
-            userInfoId.setProfileImagePath(filePath);
-            userInfoRepository.save(userInfoId);
+            userInfo.setProfileImagePath(filePath);
+            userInfoRepository.save(userInfo);
         } catch (IOException e) {
             throw new RuntimeException(e);
         }
 
         return true;
     }
+
+    @Override
+    public byte[] getUserProfileImage(Long userId){
+        User user = userRepository.findById(userId).orElseThrow();
+        ProfileImageProjectionDTO profileImageProjectionDTO = userInfoRepository.findProfileImagePathByUser(user)
+                .orElseThrow();
+
+        String profileImagePath = profileImageProjectionDTO.getProfileImagePath();
+
+        try {
+            return Files.readAllBytes(Path.of(profileImagePath));
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
 }