fix: easterEggVoice 중복 생성 오류 해결

Author: s2eojeong

src/main/java/everTale/everTale_be/domain/easterEgg/repository/EasterEggVoiceRepository.java

@@ -1,6 +1,7 @@
 package everTale.everTale_be.domain.easterEgg.repository;
 
 import everTale.everTale_be.domain.easterEgg.entity.EasterEggVoice;
+import everTale.everTale_be.domain.story.entity.Scene;
 import everTale.everTale_be.domain.story.entity.Story;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
@@ -16,6 +17,8 @@ public interface EasterEggVoiceRepository extends JpaRepository<EasterEggVoice,
 
     Optional<EasterEggVoice> findByScene_Id(Long sceneId);
 
+    boolean existsByScene(Scene scene);
+
     @Query(
             value = """
             SELECT DISTINCT s

src/main/java/everTale/everTale_be/domain/easterEgg/service/EasterEggVoiceService.java

@@ -16,6 +16,7 @@
 import everTale.everTale_be.domain.story.entity.Story;
 import everTale.everTale_be.domain.story.repository.SceneRepository;
 import everTale.everTale_be.global.apiPayload.code.status.ErrorStatus;
+import everTale.everTale_be.global.apiPayload.exception.handler.BadRequestHandler;
 import everTale.everTale_be.global.apiPayload.exception.handler.NotFoundHandler;
 import everTale.everTale_be.global.s3.S3Manager;
 import lombok.RequiredArgsConstructor;
@@ -55,6 +56,9 @@ public YoloDetectionResponseDto getObjectFromImages(Long storyId){
     public void createEasterEggVoice(Long storyId, MultipartFile voiceFile, EasterEggVoiceRegisterRequestDto requestDto){
         Scene scene = sceneRepository.findByStoryIdAndPage(storyId, requestDto.getIndex())
                 .orElseThrow(()-> new NotFoundHandler(ErrorStatus.SCENE_NOT_FOUND));
+        if(easterEggVoiceRepository.existsByScene(scene)){
+            throw new BadRequestHandler(ErrorStatus.EASTER_EGG_VOICE_ALREADY_EXISTS);
+        }
         Story story = scene.getStory();
         Profile profile = story.getProfile();
 

src/main/java/everTale/everTale_be/global/apiPayload/code/status/ErrorStatus.java

@@ -60,6 +60,7 @@ public enum ErrorStatus implements BaseErrorCode {
     EASTER_EGG_LETTER_NOT_YET_AVAILABLE(HttpStatus.BAD_REQUEST,"EASTER_EGG401","이스터에그 편지를 열람할 수 없습니다."),
     EASTER_EGG_LETTER_ALREADY_EXISTS(HttpStatus.CONFLICT,"EASTER_EGG402","이스터에그 편지가 이미 존재합니다."),
     EASTER_EGG_VOICE_NOT_FOUND(HttpStatus.NOT_FOUND,"EASTER_EGG4002","이스터에그 음성을 찾을 수 없습니다."),
+    EASTER_EGG_VOICE_ALREADY_EXISTS(HttpStatus.CONFLICT,"EASTER_EGG4022","이스터에그 음성이 이미 존재합니다."),
     OBJECT_NOT_DETECTED(HttpStatus.NOT_FOUND, "EASTER_EGG4003", "객체를 탐지할 수 없습니다."),
 
     //Quiz 관련