feat : file get

src/main/java/org/bssm/attachit/domain/file/presentation/FileController.java

@@ -0,0 +1,24 @@
+package org.bssm.attachit.domain.file.presentation;
+
+import jakarta.servlet.http.HttpServletRequest;
+import lombok.RequiredArgsConstructor;
+import org.bssm.attachit.domain.file.service.GetFileService;
+import org.springframework.core.io.Resource;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.io.IOException;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/file")
+public class FileController {
+
+    private final GetFileService getFileService;
+
+    @GetMapping
+    public ResponseEntity<Resource> getFile(@RequestParam("attachmentId") Long id, HttpServletRequest httpServletRequest) throws IOException {
+        return getFileService.execute(id, httpServletRequest);
+    }
+
+}

src/main/java/org/bssm/attachit/domain/file/service/GetFileService.java

@@ -0,0 +1,36 @@
+package org.bssm.attachit.domain.file.service;
+
+import jakarta.servlet.http.HttpServletRequest;
+import lombok.RequiredArgsConstructor;
+import org.bssm.attachit.domain.attachment.domain.Attachment;
+import org.bssm.attachit.domain.attachment.exception.FileNotFoundException;
+import org.bssm.attachit.domain.attachment.repository.AttachmentRepository;
+import org.springframework.core.io.Resource;
+import org.springframework.core.io.UrlResource;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Service;
+
+import java.io.IOException;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+@Service
+@RequiredArgsConstructor
+public class GetFileService {
+
+    private final AttachmentRepository attachmentRepository;
+
+    public ResponseEntity<Resource> execute(Long id, HttpServletRequest httpServletRequest) throws IOException {
+        Attachment attachment = attachmentRepository.findById(id).orElseThrow(
+                () -> FileNotFoundException.EXCEPTION
+        );
+        Path path = Paths.get(attachment.getPath());
+        Resource resource = new UrlResource(path.toUri());
+        String contentType = httpServletRequest.getServletContext().getMimeType(resource.getFile().getAbsolutePath());
+        return ResponseEntity.ok()
+                .contentType(MediaType.parseMediaType(contentType))
+                .header(contentType)
+                .body(resource);
+    }
+}

src/main/resources/application.yml

@@ -10,9 +10,9 @@ spring:
       max-file-size: 20MB
 
   jpa:
-    show-sql: true
+    show-sql: false
     hibernate:
-      ddl-auto: create
+      ddl-auto: update
     open-in-view: false