feat: BRF File 반환 API 생성

server/src/main/java/sunflower/server/api/TranslationApiController.java

@@ -9,6 +9,7 @@
 import org.springframework.web.bind.annotation.RequestPart;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
+import sunflower.server.api.response.BrfFileQueryResponse;
 import sunflower.server.api.response.TranslationStatusResponse;
 import sunflower.server.application.TranslationService;
 import sunflower.server.application.dto.TranslationStatusDto;
@@ -43,8 +44,10 @@ public ResponseEntity<TranslationStatusResponse> checkStatus(@PathVariable("id")
     }
 
     @GetMapping("/{id}")
-    public ResponseEntity<Void> downloadBrfFile(@PathVariable("id") Long id) {
-        return null;
+    public ResponseEntity<BrfFileQueryResponse> queryBrfFile(@PathVariable("id") Long id) {
+        final String brfContent = translationService.findBrfFileById(id);
+        final BrfFileQueryResponse response = BrfFileQueryResponse.from(id, brfContent);
+        return ResponseEntity.ok(response);
     }
 }
 

server/src/main/java/sunflower/server/api/response/BrfFileQueryResponse.java

@@ -0,0 +1,19 @@
+package sunflower.server.api.response;
+
+import lombok.Getter;
+
+@Getter
+public class BrfFileQueryResponse {
+
+    private final Long id;
+    private final String content;
+
+    public BrfFileQueryResponse(final Long id, final String content) {
+        this.id = id;
+        this.content = content;
+    }
+
+    public static BrfFileQueryResponse from(final Long id, final String brfContent) {
+        return new BrfFileQueryResponse(id, brfContent);
+    }
+}

server/src/main/java/sunflower/server/application/TranslationService.java

@@ -12,6 +12,10 @@
 import sunflower.server.repository.TranslationsRepository;
 import sunflower.server.util.FileUtil;
 
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
 import java.util.UUID;
 
 @Slf4j
@@ -42,4 +46,16 @@ public Long register(final MultipartFile file) {
     public TranslationStatusDto status(final Long id) {
         return TranslationStatusDto.from(translationsRepository.getById(id));
     }
+
+    public String findBrfFileById(final Long id) {
+        final Translations translations = translationsRepository.getById(id);
+        final String brfPath = translations.getBrfPath();
+        final File file = Paths.get(brfPath).toFile();
+
+        try {
+            return new String(Files.readAllBytes(Paths.get(file.getPath())));
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
 }

server/src/main/java/sunflower/server/application/eventlistener/OcrRegisterEventListener.java

@@ -47,8 +47,8 @@ public void registerOcr(final OcrRegisterEvent event) {
 
         final Long id = event.getTranslations().getId();
         final Translations translations = translationsRepository.getById(id);
-        final String pdfURI = translations.getPdfPath();
-        final File file = Paths.get(pdfURI).toFile();
+        final String pdfPath = translations.getPdfPath();
+        final File file = Paths.get(pdfPath).toFile();
 
         translations.startOcr();
         final String pdfId = ocrRegisterClient.requestPdfId(file);