From a9aa1df85fe9fed31771cd090dc64cedcd35949d Mon Sep 17 00:00:00 2001
From: bjkim <bjkim@cuuva.com>
Date: Tue, 23 Sep 2025 16:45:03 +0900
Subject: [PATCH] =?UTF-8?q?[ADD]=20=EC=83=88=EB=A1=9C=EC=9A=B4=20=ED=8C=8C?=
 =?UTF-8?q?=EC=9D=BC=20=EB=8B=A4=EC=9A=B4=EB=A1=9C=EB=93=9C=20API=20?=
 =?UTF-8?q?=EA=B5=AC=ED=98=84=20(MinioAttachmentController)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../MinioAttachmentController.java            | 39 +++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/src/main/java/kr/re/etri/autoflow/controllers/MinioAttachmentController.java b/src/main/java/kr/re/etri/autoflow/controllers/MinioAttachmentController.java
index 7f76f56..3b8f753 100644
--- a/src/main/java/kr/re/etri/autoflow/controllers/MinioAttachmentController.java
+++ b/src/main/java/kr/re/etri/autoflow/controllers/MinioAttachmentController.java
@@ -1,10 +1,13 @@
 package kr.re.etri.autoflow.controllers;
 
+import io.minio.DownloadObjectArgs;
 import io.minio.GetObjectArgs;
 import io.minio.MinioClient;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.tags.Tag;
+import jakarta.servlet.ServletOutputStream;
+import jakarta.servlet.http.HttpServletResponse;
 import kr.re.etri.autoflow.entity.MinioAttachmentEntity;
 
 import kr.re.etri.autoflow.payload.request.ProjectBaseSearchRequest;
@@ -13,14 +16,22 @@ import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springdoc.core.annotations.ParameterObject;
 import org.springframework.beans.factory.annotation.Value;
+import org.springframework.core.io.FileSystemResource;
+import org.springframework.core.io.InputStreamResource;
+import org.springframework.core.io.Resource;
 import org.springframework.data.domain.Page;
 import org.springframework.http.*;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
 
+import java.io.File;
+import java.io.IOException;
 import java.io.InputStream;
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
 import java.util.*;
 
 @RestController
@@ -101,6 +112,34 @@ public class MinioAttachmentController {
         }
     }
 
+    @GetMapping("/download_new")
+    public ResponseEntity<Resource> downloadFile_new(@RequestParam String objectName) {
+        try {
+            // MinIO에서 스트리밍으로 가져오기
+            InputStream is = minioClient.getObject(
+                    GetObjectArgs.builder()
+                            .bucket("mlpipeline")
+                            .object(objectName)
+                            .build()
+            );
+
+            InputStreamResource resource = new InputStreamResource(is);
+
+            String encodedFileName = URLEncoder.encode(objectName, StandardCharsets.UTF_8)
+                    .replaceAll("\\+", "%20");
+
+            return ResponseEntity.ok()
+                    .header(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename*=UTF-8''" + encodedFileName)
+                    .contentType(MediaType.APPLICATION_OCTET_STREAM)
+                    .body(resource);
+
+        } catch (Exception e) {
+            log.error("파일 다운로드 실패", e);
+            return ResponseEntity.internalServerError().build();
+        }
+    }
+
+
     @Operation(summary = "MinIO YAML 파일 읽기", description = "MinIO에서 YAML 파일을 다운로드하여 텍스트로 반환합니다.")
     @GetMapping(value = "/readYamlText", produces = MediaType.TEXT_PLAIN_VALUE)
     public ResponseEntity<String> readYamlTextFromMinio(@RequestParam String objectName) {