Feat: 이미지 저장시에 Json 파일도 저장하는 로직 추가 S11P21S002-217

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

@@ -33,9 +33,9 @@ public class ImageController {
     @SwaggerApiError({ErrorCode.BAD_REQUEST, ErrorCode.NOT_AUTHOR, ErrorCode.SERVER_ERROR})
     public void uploadImage(
             @CurrentUser final Integer memberId,
-            @PathVariable("folder_id") final Integer folderId,
             @PathVariable("project_id") final Integer projectId,
-            @Parameter(name = "폴더에 추가 할 이미지 리스트", description = "MultiPartFile을 imageList로 추가해준다.", example = "") @RequestBody final List<MultipartFile> imageList) {
+            @PathVariable("folder_id") final Integer folderId,
+            @Parameter(name = "폴더에 추가 할 이미지 리스트", description = "MultiPartFile을 imageList로 추가해준다.", example = "") @RequestPart final List<MultipartFile> imageList) {
         imageService.uploadImageList(imageList, folderId, projectId, memberId);
     }
 
@@ -45,8 +45,9 @@ public class ImageController {
     @SwaggerApiError({ErrorCode.BAD_REQUEST, ErrorCode.NOT_AUTHOR, ErrorCode.SERVER_ERROR})
     public void uploadFolder(
             @Parameter(name = "폴더", description = "MultiPartFile을 폴더나 zip으로 추가해준다.", example = "") @RequestPart final MultipartFile folderZip,
-            @PathVariable("project_id") Integer projectId) throws IOException {
+            @PathVariable("project_id") final Integer projectId,
-        imageService.uploadFolderWithImages(folderZip, projectId);
+            @PathVariable("folder_id") final Integer folderId) throws IOException {
+        imageService.uploadFolderWithImages(folderZip, projectId, folderId);
     }
 
     @GetMapping("/{image_id}")

backend/src/main/java/com/worlabel/domain/image/entity/Image.java

@@ -40,12 +40,6 @@ public class Image extends BaseEntity {
     @Column(name = "image_extenstion", nullable = false, length = 10)
     private String extension;
 
-    /**
-     * 이미지 순서
-     */
-    @Column(name = "image_order", nullable = false)
-    private Integer order;
-
     /**
      * 이미지 레이블링 상태
      */
@@ -61,16 +55,15 @@ public class Image extends BaseEntity {
     @JsonIgnore
     private Folder folder;
 
-    private Image(final String imageTitle, final String imageKey, final String extension, final Integer order, final Folder folder) {
+    private Image(final String imageTitle, final String imageKey, final String extension, final Folder folder) {
         this.title = imageTitle;
         this.imageKey = imageKey;
         this.extension = extension;
-        this.order = order;
         this.folder = folder;
     }
 
-    public static Image of(final String imageTitle, final String imageKey,final String extension, final Integer order, final Folder folder) {
+    public static Image of(final String imageTitle, final String imageKey, final String extension, final Folder folder) {
-        return new Image(imageTitle, imageKey, extension, order, folder);
+        return new Image(imageTitle, imageKey, extension, folder);
     }
 
     public void moveFolder(final Folder moveFolder) {

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

@@ -10,15 +10,19 @@ import java.util.Optional;
 
 public interface ImageRepository extends JpaRepository<Image, Long> {
 
-    // todo N + 1 발생할듯
     @Query("select i from Image i " +
-            "where i.folder.project.id = :projectId")
+            "join fetch i.folder f " +
+            "join fetch f.project p " +
+            "where p.id = :projectId")
     List<Image> findImagesByProjectId(@Param("projectId") Integer projectId);
 
+
     Optional<Image> findByIdAndFolderIdAndFolderProjectId(Long imageId, Integer folderId, Integer projectId);
 
     @Query("SELECT i FROM Image i " +
+            "JOIN FETCH i.folder f " +
+            "JOIN FETCH f.project p " +
             "WHERE i.id = :imageId " +
-            "AND i.folder.project.id = :projectId ")
+            "AND p.id = :projectId")
     Optional<Image> findByIdAndProjectId(@Param("imageId") Long imageId, @Param("projectId") Integer projectId);
 }

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

@@ -40,19 +40,20 @@ public class ImageService {
     private final FolderRepository folderRepository;
     private final ProjectRepository projectRepository;
 
-    private static int orderCount = 0;
-
     /**
      * 이미지 리스트 업로드
      */
     @CheckPrivilege(value = PrivilegeType.EDITOR)
     public void uploadImageList(final List<MultipartFile> imageList, final Integer folderId, final Integer projectId, final Integer memberId) {
-        Folder folder = getFolder(folderId);
+        Folder folder = null;
-        for (int order = 0; order < imageList.size(); order++) {
+        if (folderId != 0) {
-            MultipartFile file = imageList.get(order);
+            folder = getFolder(folderId);
+        }
+
+        for (MultipartFile file : imageList) {
             String extension = getExtension(file);
             String imageKey = s3UploadService.upload(file, extension, projectId);
-            Image image = Image.of(file.getOriginalFilename(), imageKey, extension, order, folder);
+            Image image = Image.of(file.getOriginalFilename(), imageKey, extension, folder);
             imageRepository.save(image);
         }
     }
@@ -116,15 +117,15 @@ public class ImageService {
         save(imageId, labelRequest.getData());
     }
 
-    public void uploadFolderWithImages(MultipartFile folderOrZip, Integer projectId) throws IOException {
+    public void uploadFolderWithImages(MultipartFile folderOrZip, Integer projectId, Integer folderId) throws IOException {
-        orderCount = 0;
-
         // 프로젝트 정보 가져오기
         Project project = projectRepository.findById(projectId)
                 .orElseThrow(() -> new CustomException(ErrorCode.PROJECT_NOT_FOUND));
 
-        // 부모 폴더가 최상위인지 확인
         Folder parentFolder = null;
+        if (folderId != 0) {
+            parentFolder = getFolder(folderId);
+        }
 
         // 파일이 zip 파일인지 확인
         String originalFilename = folderOrZip.getOriginalFilename();
@@ -166,7 +167,7 @@ public class ImageService {
                             // InputStream으로 S3 업로드
                             String imageKey = s3UploadService.uploadFromInputStream(inputStream, extension, project.getId(), file.getName());
 
-                            Image image = Image.of(file.getName(), imageKey, extension, orderCount++, currentFolder);
+                            Image image = Image.of(file.getName(), imageKey, extension, currentFolder);
                             imageRepository.save(image);
                         } catch (IOException e) {
                             throw new CustomException(ErrorCode.FAIL_TO_CREATE_FILE);

backend/src/main/java/com/worlabel/global/service/S3UploadService.java

@@ -12,6 +12,8 @@ import org.springframework.stereotype.Service;
 import org.springframework.util.StringUtils;
 import org.springframework.web.multipart.MultipartFile;
 
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
 import java.io.*;
 import java.net.MalformedURLException;
 import java.net.URL;
@@ -131,6 +133,12 @@ public class S3UploadService {
             PutObjectRequest putRequest = new PutObjectRequest(bucket, s3FileName, byteArrayInputStream, metadata);
 
             amazonS3.putObject(putRequest); // S3 파일 업로드
+
+            BufferedImage bufferedImage = ImageIO.read(new ByteArrayInputStream(bytes));
+            int imageWidth = bufferedImage.getWidth();
+            int imageHeight = bufferedImage.getHeight();
+
+            uploadJsonWithDimensions(s3Key, imageWidth, imageHeight);
         } catch (Exception e) {
             log.error("", e);
             throw new CustomException(ErrorCode.FAIL_TO_CREATE_FILE);
@@ -174,9 +182,11 @@ public class S3UploadService {
 
     public String uploadFromInputStream(InputStream inputStream, String extension, Integer projectId, String fileName) {
         try {
+            // UUID로 S3 파일 이름 생성
             String s3Key = getS3FileName(projectId);
             String s3FileName = s3Key + "." + extension;
 
+            // 이미지 파일 업로드
             byte[] bytes = IOUtils.toByteArray(inputStream);
 
             ObjectMetadata metadata = new ObjectMetadata();
@@ -185,12 +195,44 @@ public class S3UploadService {
 
             try (ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(bytes)) {
                 PutObjectRequest putRequest = new PutObjectRequest(bucket, s3FileName, byteArrayInputStream, metadata);
-                amazonS3.putObject(putRequest);
+                amazonS3.putObject(putRequest);  // 이미지 업로드
             }
 
+            // 이미지 높이와 너비 추출
+            BufferedImage bufferedImage = ImageIO.read(new ByteArrayInputStream(bytes));
+            int imageWidth = bufferedImage.getWidth();
+            int imageHeight = bufferedImage.getHeight();
+
+            // 너비와 높이를 포함한 JSON 업로드
+            uploadJsonWithDimensions(s3Key, imageWidth, imageHeight);  // JSON 파일 업로드 메서드 호출
+
             return url + "/" + s3Key;
         } catch (IOException e) {
             throw new CustomException(ErrorCode.FAIL_TO_CREATE_FILE);
         }
     }
+
+    // 이미지의 너비와 높이를 포함하는 JSON 파일 업로드
+    private void uploadJsonWithDimensions(String s3Key, int width, int height) {
+        try {
+            // JSON 파일 이름 생성 (s3Key + ".json")
+            String jsonFileName = s3Key + ".json";
+
+            // 이미지의 너비와 높이를 포함한 JSON 데이터 생성
+            String jsonContent = "{\n\"imageHeight\": " + height + ",\n\"imageWidth\": " + width + "\n}";
+
+            byte[] jsonBytes = jsonContent.getBytes(StandardCharsets.UTF_8);
+
+            ObjectMetadata jsonMetadata = new ObjectMetadata();
+            jsonMetadata.setContentType("application/json");
+            jsonMetadata.setContentLength(jsonBytes.length);
+
+            try (ByteArrayInputStream jsonInputStream = new ByteArrayInputStream(jsonBytes)) {
+                PutObjectRequest jsonPutRequest = new PutObjectRequest(bucket, jsonFileName, jsonInputStream, jsonMetadata);
+                amazonS3.putObject(jsonPutRequest);  // JSON 파일 업로드
+            }
+        } catch (Exception e) {
+            throw new CustomException(ErrorCode.FAIL_TO_CREATE_FILE);
+        }
+    }
 }