Refactor: 이미지 벌크 업로드

backend/src/main/java/com/worlabel/domain/image/controller/ImageController.java

@@ -56,12 +56,10 @@ public class ImageController {
     @Operation(summary = "이미지에 대한 Presigned ", description = "이미지에 대한 Presigned 주소를 받아옵니다.")
     @SwaggerApiError({ErrorCode.BAD_REQUEST, ErrorCode.NOT_AUTHOR, ErrorCode.SERVER_ERROR})
     public List<ImagePresignedUrlResponse> uploadFolderByPresignedImage(
-            @CurrentUser final Integer memberId,
             @RequestBody final List<ImageMetaRequest> imageMetaList,
             @PathVariable("project_id") final Integer projectId,
             @PathVariable("folder_id") final Integer folderId) {
-        log.debug("requestImageList {}", imageMetaList);
+        return imageService.uploadFolderByPresignedImage(imageMetaList, projectId, folderId);
-        return imageService.uploadFolderByPresignedImage(memberId, imageMetaList, projectId, folderId);
     }
 
     @GetMapping("/folders/{folder_id}/images/{image_id}")
@@ -81,7 +79,6 @@ public class ImageController {
     @Operation(summary = "이미지 폴더 이동", description = "이미지가 위치한 폴더를 변경합니다.")
     @SwaggerApiError({ErrorCode.BAD_REQUEST, ErrorCode.NOT_AUTHOR, ErrorCode.SERVER_ERROR, ErrorCode.PARTICIPANT_EDITOR_UNAUTHORIZED})
     public void moveFolderImage(
-            @CurrentUser final Integer memberId,
             @PathVariable("folder_id") final Integer folderId,
             @PathVariable("project_id") final Integer projectId,
             @PathVariable("image_id") final Long imageId,
@@ -98,7 +95,6 @@ public class ImageController {
             @PathVariable("folder_id") final Integer folderId,
             @PathVariable("project_id") final Integer projectId,
             @PathVariable("image_id") final Long imageId) {
-        log.debug("project: {} , folder: {}, 삭제하려는 이미지: {}, 현재 로그인 중인 사용자 : {}", projectId, folderId, imageId);
         imageService.deleteImage(projectId, folderId, imageId);
     }
 

backend/src/main/java/com/worlabel/domain/image/repository/ImageBulkRepository.java

@@ -0,0 +1,41 @@
+package com.worlabel.domain.image.repository;
+
+import com.worlabel.domain.image.entity.Image;
+import lombok.RequiredArgsConstructor;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.stereotype.Repository;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.sql.PreparedStatement;
+import java.sql.Timestamp;
+import java.util.List;
+
+@Repository
+@RequiredArgsConstructor
+public class ImageBulkRepository {
+
+    private final JdbcTemplate jdbcTemplate;
+
+    @Transactional
+    public void saveAll(List<Image> imageList) {
+        String sql = "INSERT INTO project_image (image_extension,folder_id,image_key,status,image_title)" +
+                " values (?, ?, ?, ?, ?)";
+
+        int batchSize = 1000; // 배치 크기 설정
+        for (int i = 0; i < imageList.size(); i += batchSize) {
+            List<Image> batchList = imageList.subList(i, Math.min(i + batchSize, imageList.size()));
+
+            jdbcTemplate.batchUpdate(sql,
+                    batchList,
+                    batchList.size(),
+                    (PreparedStatement ps, Image image) -> {
+                        ps.setString(1, image.getExtension()); // image_extension (String)
+                        ps.setInt(2, image.getFolder().getId()); // folder_id (Integer)
+                        ps.setString(3, image.getImageKey()); // image_key (String)
+                        ps.setString(4, image.getStatus().name()); // status (String or Enum)
+                        ps.setString(5, image.getTitle()); // image_title (String)
+                    });
+        }
+    }
+
+}

backend/src/main/java/com/worlabel/domain/image/service/ImageAsyncService.java

@@ -2,6 +2,7 @@ package com.worlabel.domain.image.service;
 
 import com.worlabel.domain.folder.entity.Folder;
 import com.worlabel.domain.image.entity.Image;
+import com.worlabel.domain.image.repository.ImageBulkRepository;
 import com.worlabel.domain.image.repository.ImageRepository;
 import com.worlabel.global.exception.CustomException;
 import com.worlabel.global.exception.ErrorCode;
@@ -25,6 +26,7 @@ public class ImageAsyncService {
 
     private final S3UploadService s3UploadService;
     private final ImageRepository imageRepository;
+    private final ImageBulkRepository imageBulkRepository;
     private final ThreadPoolTaskExecutor imageUploadExecutor;
 
     @Async("imageUploadExecutor")
@@ -72,4 +74,10 @@ public class ImageAsyncService {
     private String getExtension(String fileName) {
         return fileName.substring(fileName.lastIndexOf(".") + 1);
     }
+
+    @Transactional
+    @Async("imageUploadExecutor")
+    public void saveImages(final List<Image> imageList) {
+        imageBulkRepository.saveAll(imageList);
+    }
 }

backend/src/main/java/com/worlabel/domain/image/service/ImageService.java

@@ -7,6 +7,7 @@ import com.worlabel.domain.folder.repository.FolderRepository;
 import com.worlabel.domain.image.entity.Image;
 import com.worlabel.domain.image.entity.LabelStatus;
 import com.worlabel.domain.image.entity.dto.*;
+import com.worlabel.domain.image.repository.ImageBulkRepository;
 import com.worlabel.domain.image.repository.ImageRepository;
 import com.worlabel.domain.participant.entity.PrivilegeType;
 import com.worlabel.domain.project.entity.Project;
@@ -22,6 +23,7 @@ import org.apache.commons.compress.archivers.ArchiveEntry;
 import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
 import org.apache.commons.compress.archivers.zip.ZipArchiveInputStream;
 import org.apache.commons.compress.utils.IOUtils;
+import org.springframework.scheduling.annotation.Async;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Propagation;
 import org.springframework.transaction.annotation.Transactional;
@@ -321,13 +323,12 @@ public class ImageService {
 
     @Transactional
     @CheckPrivilege(PrivilegeType.EDITOR)
-    public List<ImagePresignedUrlResponse> uploadFolderByPresignedImage(final Integer memberId,
+    public List<ImagePresignedUrlResponse> uploadFolderByPresignedImage(final List<ImageMetaRequest> imageMetaList,
-                                                                        final List<ImageMetaRequest> imageMetaList,
                                                                         final Integer projectId,
                                                                         final Integer folderId) {
         Folder folder = getOrCreateFolder(folderId, projectId);
         List<ImagePresignedUrlResponse> presignedUrls = new ArrayList<>();
-
+        List<Image> imageList = new ArrayList<>();
         for (ImageMetaRequest meta : imageMetaList) {
             // UUID 생성 및 이미지 Key 지정
             String key = UUID.randomUUID().toString().substring(0,13);
@@ -336,21 +337,22 @@ public class ImageService {
 
             // Presigned URL 생성
             String presignedUrl = s3UploadService.generatePresignedUrl(key, extension);
-            log.debug("presignedUrl {}", presignedUrl);
 
             // DB에 이미지 메타데이터 저장
             Image image = Image.of(fileName, s3UploadService.addBucketPrefix(key), extension, folder);
-            imageRepository.save(image);
+            imageList.add(image);
 
             // Presigned URL과 함께 응답 데이터 생성
             ImagePresignedUrlResponse response = ImagePresignedUrlResponse.of(meta.getId(), presignedUrl);
             presignedUrls.add(response);
         }
 
+        imageAsyncService.saveImages(imageList);
+        log.debug("이미지 개수 {}",presignedUrls.size());
         return presignedUrls;
     }
-    // 이미지 가져오면서 프로젝트 소속 여부를 확인
 
+    // 이미지 가져오면서 프로젝트 소속 여부를 확인
     private Image getImageByIdAndFolderIdAndFolderProjectId(final Integer folderId, final Long imageId, final Integer projectId) {
         return imageRepository.findByIdAndFolderIdAndFolderProjectId(imageId, folderId, projectId)
                 .orElseThrow(() -> new CustomException(ErrorCode.DATA_NOT_FOUND));