[FEAT] presignedURL 병렬 발급 로직 구현, 파일 형식 제한 삭제

Author: 99hyuk

src/main/java/com/sumte/image/controller/ImageController.java

@@ -82,17 +82,17 @@ public class ImageController {
 	@PostMapping
 	public ResponseEntity<List<ImageResponseDTO>> saveImagesBatch(
 
-		@Valid @RequestBody List<ImageRequestDTO> dtos) {
+		@Valid @RequestBody List<ImageRequestDTO> imageRequestDTOS) {
 
-		var savedList = imageService.saveAllImages(dtos);
-		var respList = savedList.stream()
+		var savedImageList = imageService.saveAllImages(imageRequestDTOS);
+		var imageResponseDTOS = savedImageList.stream()
 			.map(img -> new ImageResponseDTO(
 				img.getId(), img.getUrl(), img.getSortOrder(), img.getOwnerType(), img.getOwnerId()))
 			.collect(Collectors.toList());
 
 		return ResponseEntity
 			.status(HttpStatus.CREATED)
-			.body(respList);
+			.body(imageResponseDTOS);
 	}
 
 	@Operation(
@@ -132,8 +132,8 @@ public ResponseEntity<List<ImageResponseDTO>> replaceImages(
 			.map(r -> new ImageRequestDTO(ownerType, ownerId, r.getUrl()))
 			.collect(Collectors.toList());
 
-		var saved = imageService.replaceImages(ownerType, ownerId, requests);
-		var resp = saved.stream()
+		var replacedImages = imageService.replaceImages(ownerType, ownerId, requests);
+		var imageResponseDTOS = replacedImages.stream()
 			.map(img -> new ImageResponseDTO(
 				img.getId(),
 				img.getUrl(),
@@ -143,7 +143,7 @@ public ResponseEntity<List<ImageResponseDTO>> replaceImages(
 			))
 			.collect(Collectors.toList());
 
-		return ResponseEntity.ok(resp);
+		return ResponseEntity.ok(imageResponseDTOS);
 	}
 
 	@Operation(summary = "이미지 목록 조회", description = "주어진 ownerType, ownerId 에 매핑된 이미지 리스트를 정렬순으로 조회합니다.")
@@ -164,11 +164,11 @@ public ResponseEntity<List<ImageResponseDTO>> getImages(
 			in = ParameterIn.QUERY
 		)
 		@RequestParam Long ownerId) {
-		var list = imageService.getImagesByOwner(ownerType, ownerId);
-		var dtos = list.stream()
+		var imageList = imageService.getImagesByOwner(ownerType, ownerId);
+		var imageResponseDTOS = imageList.stream()
 			.map(img -> new ImageResponseDTO(
 				img.getId(), img.getUrl(), img.getSortOrder(), img.getOwnerType(), img.getOwnerId()))
 			.collect(Collectors.toList());
-		return ResponseEntity.ok(dtos);
+		return ResponseEntity.ok(imageResponseDTOS);
 	}
 }

src/main/java/com/sumte/image/controller/S3FileUploadController.java

@@ -1,5 +1,10 @@
 package com.sumte.image.controller;
 
+import java.util.List;
+import java.util.Map;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -20,12 +25,29 @@ public class S3FileUploadController {
 
 	private final S3FileUploadService s3FileUploadService;
 
-	//@AllUser
+	/*
 	@Operation(summary = "PresignedUrl 발급", description = "이미지, 파일 업로드를 위한 PresignedUrl을 발급합니다.")
 	@GetMapping("/presigned-url")
 	public ResponseEntity<String> generatePresignedUrl(@RequestParam String fileName,
 		@RequestParam String contentType) {
 		String presignedUrl = s3FileUploadService.generatePresignedUrl(fileName, contentType);
 		return ResponseEntity.ok(presignedUrl);
 	}
+	 */
+
+	@Operation(
+		summary = "Presigned URLs 일괄 발급",
+		description = "여러 개의 파일명에 대해 Presigned URL을 일괄 생성하여 반환합니다."
+	)
+	@GetMapping("/presigned-urls")
+	public ResponseEntity<Map<String, String>> generatePresignedUrls(
+		@RequestParam(name = "fileNames", defaultValue = "sumte1, ouchlogo") List<String> fileNames
+	) {
+		Map<String, String> presignedUrls = fileNames.stream()
+			.collect(Collectors.toMap(
+				Function.identity(),
+				key -> s3FileUploadService.generatePresignedUrl(key)
+			));
+		return ResponseEntity.ok(presignedUrls);
+	}
 }

src/main/java/com/sumte/image/service/S3FileUploadService.java

@@ -23,7 +23,7 @@ public class S3FileUploadService {
 	private String bucket;
 
 	@Transactional
-	public String generatePresignedUrl(String fileName, String contentType) {
+	public String generatePresignedUrl(String fileName/*, String contentType*/) {
 		// 만료 시간 설정
 		Date expiration = new Date();
 		long expTimeMillis = expiration.getTime() + (1000 * 60 * 5); // 5분
@@ -34,7 +34,7 @@ public String generatePresignedUrl(String fileName, String contentType) {
 			new GeneratePresignedUrlRequest(bucket, fileName)
 				.withMethod(HttpMethod.PUT)
 				.withExpiration(expiration);
-				//.withContentType(contentType);
+		//.withContentType(contentType);
 
 		// Presigned URL 생성
 		URL url = amazonS3.generatePresignedUrl(generatePresignedUrlRequest);